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WO2018120751A1 - Procédé d'ajustement de position et terminal - Google Patents

Procédé d'ajustement de position et terminal Download PDF

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Publication number
WO2018120751A1
WO2018120751A1 PCT/CN2017/092541 CN2017092541W WO2018120751A1 WO 2018120751 A1 WO2018120751 A1 WO 2018120751A1 CN 2017092541 W CN2017092541 W CN 2017092541W WO 2018120751 A1 WO2018120751 A1 WO 2018120751A1
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WO
WIPO (PCT)
Prior art keywords
distance
display screen
screen
terminal
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/092541
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English (en)
Chinese (zh)
Inventor
吴欣凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to JP2019534805A priority Critical patent/JP6997193B2/ja
Priority to CN201780011872.XA priority patent/CN108700745B/zh
Publication of WO2018120751A1 publication Critical patent/WO2018120751A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays

Definitions

  • the embodiments of the present invention relate to the field of terminal technologies, and in particular, to a location adjustment method and a terminal.
  • the head mount display is the head display.
  • the head display By transmitting optical signals to the human eye, different effects such as virtual reality, augmented reality, and mixed reality can be realized.
  • virtual reality virtual reality
  • augmented reality mixed reality
  • the development of the first appearance has been extremely rapid, but it is mainly developed for users with normal vision. Most of the head display is not suitable for users with visual impairment.
  • one solution in the prior art is to adjust the position of the lens in the head display by manually controlling the button, thereby realizing the focus adjustment, so that a user with visual defects can see a clear image.
  • the way to adjust the focal length by adjusting the lens position affects the user's field of view and makes the user experience worse.
  • the embodiment of the present application provides a position adjustment method and a terminal, which can respectively adjust the positions of two display screens to improve the visual experience of a user with visual defects.
  • an embodiment of the present application provides a terminal 30 including a first eyepiece 31, a second eyepiece 32, and a first adjustment member 33.
  • the first eyepiece 31 includes a first lens barrel 311 and a first display screen 312 disposed in the first lens barrel 311.
  • the first display screen 312 is slidably coupled to the first lens barrel 311.
  • the second eyepiece 32 includes a second lens barrel 321 and a second display screen 322 disposed in the second lens barrel 321 , and the second display screen 322 is slidably coupled to the second lens barrel 321 .
  • the first adjusting member 33 includes a first motor 331, a first rotating shaft 332 and a first rotating drum 333 disposed perpendicularly to the first display screen 312.
  • the first rotating drum 333 is connected to the first motor 331, and one end of the first rotating shaft 332 is The first drum 333 is threadedly engaged, and the other end of the first shaft 332 is fixedly coupled to the first display screen 312.
  • the first adjusting member 33 further includes a second motor 334, a second rotating shaft 335 and a second rotating drum 336 disposed perpendicularly to the second display screen 322.
  • the second rotating drum 336 is coupled to the second motor 334, and one end of the second rotating shaft 335 The other end of the second rotating shaft 335 is fixedly coupled to the second display screen 322 by threaded engagement with the second drum 336.
  • the terminal 30 can adjust the first display corresponding to the left eye through the first motor and the second motor, respectively.
  • the position of the screen 312 and the position of the second display screen 322 corresponding to the right eye are clearly imaged, and the user's field of view range is not affected, and the user experience can be improved.
  • the inner wall of the first lens barrel 311 is provided with at least one first sliding slot 313, and the inner wall of the second lens barrel 321 is provided with at least one second sliding slot 323.
  • the first display screen 312 is slidably coupled to the first lens barrel 311 through at least one first sliding slot 313, and the second display screen 322 is slidably coupled to the second lens barrel 321 through at least one second sliding slot 323.
  • the display can be slidably connected to the lens barrel in a simple manner by means of a chute.
  • the terminal 30 further includes a second adjustment member 34, and the second adjustment member 34 includes a third motor 343, a transmission assembly 344, and a screw assembly 345,
  • the screw assembly 345 is screwed to the first barrel 311 and the second barrel 321 .
  • the third motor 343 drives the screw assembly 345 to rotate by the transmission assembly 344 such that the first barrel 311 and the second barrel 321 are close to each other or away from each other.
  • the terminal 30 can adjust the eyepiece spacing by rotating the motor to adapt to the different user's distance and improve the user's visual experience. Moreover, this adjustment method is more convenient because manual adjustment is not required.
  • the screw assembly 345 includes a first screw 51, a second screw 52, and a third screw 53, one end of the turbine 42 and the surface of the first screw 51
  • the two ends of the first screw 51 are respectively provided with gears
  • one ends of the second screw 52 and the third screw 53 are respectively provided with gears
  • the two ends of the first screw 51 are respectively connected to the second screw 52 and the third screw 53.
  • One end of the second screw 52 and the third screw 53 where the gear is not provided is screwed to the first barrel 311 and the second barrel 321 by gear meshing, respectively.
  • the fastener can be more conveniently disposed, thereby fixing the first screw 51, the second screw 52, and the third screw 53 so that their The location is not easy to move.
  • the screw assembly 345 includes a fourth screw 54 and a fifth screw 55, and one ends of the fourth screw 54 and the fifth screw 55 are respectively first and The lens barrel 311 and the second barrel 321 are screwed.
  • the transmission assembly 344 includes an output shaft 41 of the third motor 343, a connecting rod 43, a first bevel gear 44, a second bevel gear 45, a third bevel gear 46, and a fourth cone.
  • a gear 47 and a fifth bevel gear 48 the first bevel gear 44 is sleeved on the output shaft 41, the second bevel gear 45 and the third bevel gear 46 are disposed at both ends of the connecting rod 43, the first bevel gear 44 and the second The bevel gear 45 is meshed, the fourth bevel gear 47 is connected to the other end of the fourth screw 54, the fifth bevel gear 48 is connected to the other end of the fifth screw 55, and the third bevel gear 46 is respectively connected to the fourth bevel gear 47 and the fifth.
  • the bevel gear 48 meshes.
  • the eyepiece spacing can also be adjusted by the cooperation of the bevel gear and the screw.
  • the first motor 331, the second motor 334, and the third motor 343 may be a stepping motor, a direct current motor, an asynchronous motor, or a synchronous motor.
  • the terminal 30 further includes a vision input component 35 for detecting visual acuity information input by the user, and the visual acuity information includes At least one of a vision parameter and a pupil distance parameter, the visual acuity parameter comprising a left eye visual acuity parameter and/or a right eye visual acuity parameter.
  • the terminal 30 further includes a memory 36 for storing vision information corresponding to the identification information of the user.
  • the terminal 30 further includes a microprocessor 37 for controlling the first according to the vision information detected by the vision input component 35 or stored in the memory.
  • the adjustment member 33 or the second adjustment member 34 performs an adjustment operation.
  • the terminal 30 can perform the adjustment operation by the first adjustment member 33 or the second adjustment member 34 according to the accurate user vision information input by the user through the vision input unit 35 or stored in the memory 36, corresponding to the user.
  • the microprocessor 37 is configured to control the first adjustment component 33 to perform an adjustment operation according to the vision information, and specifically includes: the microprocessor 37 according to the vision information. Determining a reference value of the first screen distance and/or a reference value of the second screen distance; and determining a first rotation direction and a first rotation number of the first motor 331 according to the first screen distance reference value, and/or according to The second screen eye distance reference value determines the second rotational direction and the second rotational number of the second motor 334.
  • the first screen distance is the distance between the position of the first display screen 312 and the left eye reference position
  • the second screen distance is the distance between the position of the second display screen 322 and the right eye reference position.
  • the first adjusting member 33 adjusts the position of the first display screen 312 according to the first rotation direction of the first motor and the first rotation number, so that the distance between the adjusted position of the first display screen 312 and the left eye reference position is equal to the first One screen eye distance reference value.
  • the first adjusting member 33 adjusts the position of the second display screen 322 according to the second rotation direction of the second motor 334 and the second rotation number, so that the distance between the adjusted position of the second display screen 322 and the right eye reference position is equal to
  • the second screen is the reference value.
  • the terminal 30 can adjust the position of the display screen according to the accurate user vision information, so that the adjusted screen distance is equal to the reference value of the screen distance.
  • the microprocessor 37 when the vision information includes a vision parameter of the left eye and/or a vision parameter of the right eye, the microprocessor 37 is configured to determine according to the vision information.
  • the first screen eye distance reference value and/or the second screen eye distance reference value includes: determining a first screen eye distance reference value according to the left eye's vision parameter and the expression one.
  • the second screen eye distance reference value is determined according to the right eye visual parameter and the expression one.
  • u i 1/(D i -1/k) where k represents a constant, when u i represents the first screen distance reference value, D i represents the power of the left eye; when u i represents When the second screen is from the reference value, D i represents the power of the right eye.
  • the terminal 30 can determine the reference value of the screen distance according to the accurate user vision information, so that the position of the display screen can be adjusted according to the reference value of the screen distance.
  • the microprocessor 37 is configured to control the second adjustment component 34 to perform an adjustment operation according to the vision information, and specifically includes: the microprocessor 37 according to the interpupillary distance The parameter determines the third rotational direction and the third rotational lap of the third motor 343.
  • the second adjusting member 34 is configured to adjust the distance between the first eyepiece 31 and the second eyepiece 32 according to the third rotation direction of the third motor 343 and the third rotation number, so that the adjusted first eyepiece and the second The distance between the eyepieces is equal to the distance parameter.
  • the terminal 30 can adjust the eyepiece spacing according to the user's interpupillary parameter.
  • the vision parameter includes at least one of myopia or hyperopia.
  • the terminal 30 can adjust the position of the display screen according to the user's nearsightedness or farsightedness, so that a user with both nearsightedness and farsighted vision defects can see a clear image.
  • the vision input component 35 including the vision input component 35 can include at least one of a voice input unit and a manual input unit.
  • users can input accurate vision information in a variety of ways, such as voice or manual.
  • the vision input component 35 may specifically include a touch panel, an input panel with a button, or a knob type input panel.
  • the microprocessor 37 when the visual acuity information includes the value of the first screen distance and/or the value of the second screen distance, the microprocessor 37 is used. Determining the first screen distance reference value and/or the second screen distance reference value based on the vision information includes: the microprocessor 37 determines that the value of the first screen distance is the first screen distance reference value. The microprocessor 37 determines that the value of the second screen distance is the second screen distance reference value.
  • the terminal 30 can determine the screen distance from the reference value simply and directly based on the value of the screen distance corresponding to the user stored by the user or stored in the memory 36.
  • the terminal 30 further includes: a wearing detecting component 310, configured to detect whether the terminal 30 has been worn by the user.
  • the terminal 30 further includes: an indication input component 38, configured to detect user input when the wearing detection component 310 detects that the terminal 30 has been worn by the user.
  • the first indication information is used to indicate adjusting the vision parameter of the left eye and/or the vision parameter of the right eye.
  • the microprocessor 37 is further configured to determine, according to the first indication information, a first adjustment value and/or a second adjustment value, where the first adjustment value is an adjustment value of the first screen distance, and the second adjustment value is a second screen aperture The adjustment value of the distance.
  • the fourth rotation direction and the fourth rotation number of the first motor 331 are determined according to the first adjustment value, and/or the fifth rotation direction and the fifth rotation number of the second motor 334 are determined according to the second adjustment value.
  • the first adjusting member 33 is further configured to adjust the position of the first display screen 312 according to the fourth rotation direction and the fourth rotation number of the first motor 331, and/or according to the fifth rotation direction of the second motor 334 and The position of the second display screen 322 is adjusted by five rotations.
  • the terminal 30 can also finely adjust the position of the display screen according to the adjustment value of the visual parameter indicated by the user, so that the display screen is more clearly imaged.
  • the indication input component 38 is further configured to detect the second indication information of the user when the wearing detection component 310 detects that the terminal 30 has been worn by the user.
  • the second indication information is used to indicate increasing or decreasing the first screen distance and/or the second screen distance, or the first indication information is used to indicate that the first display screen 312 is adjusted forward or backward and/or The position of the second display screen 322.
  • the microprocessor 37 is further configured to: according to the second indication information The sixth rotation direction and the sixth rotation number of the first motor 331 are determined, and/or the seventh rotation direction and the seventh rotation number of the second motor 334 are determined according to the second indication information.
  • the first adjusting member 33 is further configured to adjust the position of the first display screen 312 according to the sixth rotation direction and the sixth rotation number of the first motor 331, and/or according to the seventh rotation direction of the second motor 334 and The position of the second display screen 322 is adjusted by seven rotations.
  • the terminal 30 can also finely adjust the position of the display screen according to the instruction information for instructing to adjust the position of the display screen, so that the display screen is more clearly imaged.
  • the indication input component 38 is further configured to detect the third indication information of the user when the wearing detection component 310 detects that the terminal 30 has been worn by the user.
  • the third indication information is used to indicate to increase or decrease the pitch parameter or the eyepiece spacing.
  • the microprocessor 37 is configured to determine an eighth rotation direction and an eighth rotation number of the third motor 343 according to the third indication information.
  • the second adjustment member 34 is further configured to adjust the eyepiece pitch according to the eighth rotation direction and the eighth rotation number of the third motor 343.
  • the terminal 30 can finely adjust the eyepiece spacing according to the user's indication information to improve the user's visual experience.
  • the indication input component 38 includes at least one of a voice indication input component and a body state indication input component; wherein the voice indication input component includes a microphone,
  • the body indicator input component includes a camera.
  • the user can finely adjust the position/eyepiece spacing of the display screen by means of voice, body posture, etc., without being affected by the hindsight of the user after wearing the terminal 30.
  • the indication input member 38 is the same as or different from the vision input component 35.
  • the terminal 30 further includes: an identifier input component 39, configured to detect identifier information input by the user, where the identifier information of the user includes the character information corresponding to the user. At least one of voice information, fingerprint information, iris information, and face information.
  • the terminal 30 can determine the correspondence relationship for the visual acuity information by the identification information.
  • the embodiment of the present application provides a terminal 60, including: a vision input component 61, configured to detect visual force information input by a user, and the visual acuity information includes a visual acuity parameter of a left eye and/or a visual acuity parameter of a right eye.
  • the memory 62 is configured to store vision information corresponding to the identification information of the user.
  • the microprocessor 63 is configured to determine a screen distance reference value according to the vision information detected by the vision input unit 61 or the vision information stored in the memory 62, and the screen distance reference value includes the first screen distance reference value and/or the second a distance from the reference screen, the first screen eye distance is the distance between the first display screen and the left eye reference position, and the second screen eye distance is the distance between the second display screen and the right eye reference position; Adjusting the position of the display screen from the reference value such that the distance between the adjusted position of the first display screen and the left eye reference position is equal to the first screen distance reference value, or the adjusted second display position The distance from the right eye reference position is equal to the second screen distance reference value.
  • the terminal can adjust the position of the first display screen corresponding to the left eye and the position of the second display screen corresponding to the right eye according to the accurate vision information input by the user or the stored vision information corresponding to the user.
  • the imaging is clear without affecting the user's field of view, thus improving the user experience.
  • the position of the display screen can be adjusted by the rotation of the motor, and the user does not need to manually adjust the position of the display screen, so the adjustment mode is more convenient.
  • the embodiment of the present application provides a location adjustment method, including: determining, by a terminal, a screen distance from a reference value according to visual power information of a user, where the visual acuity information includes visual power information input by the user, or corresponding to the identification information of the user stored in the terminal Vision information, the visual acuity information includes a visual parameter of the left eye and/or a visual parameter of the right eye, and the reference value of the eye shadow includes a first screen distance reference value and/or a second screen distance reference value, the first screen distance The distance between the first display screen and the left eye reference position, and the second screen distance is the distance between the second display screen and the right eye reference position.
  • the terminal adjusts the position of the display screen according to the distance from the reference value of the screen, so that the distance between the adjusted position of the first display screen and the reference position of the left eye is equal to the reference value of the first screen distance, or the adjusted second The distance between the position of the display screen and the reference position of the right eye is equal to the reference value of the second screen eye distance.
  • the terminal can adjust the position of the first display screen corresponding to the left eye and the position of the second display screen corresponding to the right eye according to the accurate vision information input by the user or the stored vision information corresponding to the user, so as to make the imaging clear. , without affecting the user's field of view, thus improving the user experience.
  • the position of the display screen can be adjusted by the rotation of the motor, and the user does not need to manually adjust the position of the display screen, so the adjustment mode is more convenient.
  • the vision information further includes a pitch parameter
  • the pupil distance parameter is a reference value of the eyepiece spacing
  • the eyepiece spacing is a distance between the first eyepiece and the second eyepiece
  • the first eyepiece The first display screen is included
  • the second eyepiece includes a second display screen.
  • the method further includes: the terminal adjusting the eyepiece spacing according to the pitch parameter, such that the adjusted eyepiece spacing is equal to the pitch parameter.
  • the terminal can adjust the eyepiece spacing by rotating the motor to adapt to the different user's distance and improve the user's visual experience. Moreover, since manual adjustment is not required, the adjustment method is more convenient.
  • the method further includes: after the terminal is worn by the user, the terminal receives the indication information of the user; and the terminal adjusts the first display in response to the indication information. At least one of a position of the screen, a position of the second display, and a distance between the eyepieces.
  • the terminal can coarsely adjust the position of the display screen or the eyepiece spacing according to the vision information before being worn by the user, and finely adjust the position of the display screen or the eyepiece spacing after being worn by the user, thereby making the imaging clearer. It can improve the user experience.
  • an embodiment of the present application provides a terminal, including: a processor, a memory, a bus, and a communication interface; the memory is configured to store a computer execution instruction, and the processor and the memory are connected through a bus, and when the terminal is running, the processor executes The memory-stored computer executes the instructions to cause the terminal to perform the scheduling method as in any of the above third aspects.
  • FIG. 1 is a schematic diagram of a scenario in which a user wears a terminal according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a basic principle of a head display according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a head display according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of another head display according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another head display according to an embodiment of the present application.
  • FIG. 5b is a schematic structural diagram of another head display according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of another head display according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another head display according to an embodiment of the present application.
  • FIG. 6b is a schematic structural diagram of another head display according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another head display according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a vision information input scenario according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of another vision information input scenario according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of a prompting scenario according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of another prompting scenario provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of another prompting scenario provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of another prompting scenario provided by an embodiment of the present application.
  • FIG. 14 is a schematic diagram of another prompting scenario provided by an embodiment of the present application.
  • FIG. 15 is a schematic diagram of another prompting scenario provided by an embodiment of the present application.
  • FIG. 16 is a schematic diagram of an indication scenario according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic diagram of another indication scenario according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic diagram of another indication scenario according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic diagram of another indication scenario according to an embodiment of the present disclosure.
  • FIG. 20 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 21 is a flowchart of a method for adjusting a position according to an embodiment of the present application.
  • FIG. 22 is a flowchart of another location adjustment method according to an embodiment of the present application.
  • FIG. 23 is a schematic structural diagram of another terminal according to an embodiment of the present application.
  • Focal length The distance from the optical center of the lens to the focus.
  • Refraction When light enters another medium of different refractive index from one medium, a change in the direction of advancement occurs, which is called refraction in eye optics.
  • Diopter A unit indicating the magnitude of refractive power, expressed as D, which means that parallel rays pass through the refractive material, and the refractive power of the refractive substance is 1 diopter or 1D at a focus of 1 m.
  • D the magnitude of refractive power
  • the refractive power of the refractive substance is 1 diopter or 1D at a focus of 1 m.
  • the unit of lens power For example, when the focal length of the lens is 1 m, the refractive power of the lens is 1 D diopter.
  • Field of view The angle at which the lens is the apex, and the object image of the object to be measured can pass through the two edges of the largest range of the lens, called the angle of view.
  • the size of the field of view determines the field of view. The larger the field of view, the larger the field of view. The target object outside the field of view is not in the field of view.
  • Virtual image distance The distance between the virtual image formed by the lens and the human eye.
  • ⁇ distance the distance between the pupils of both eyes.
  • Eyepiece spacing The distance between the center points of the two eyepieces.
  • the terminal provided by the embodiment of the present application is a display device that can be worn on the eye, and may be, for example, a head-mounted display device, also referred to as a head-mounted display, a glasses-type display, a portable theater, or a video glasses.
  • a head-mounted display device also referred to as a head-mounted display
  • a glasses-type display a portable theater
  • a video glasses a schematic diagram of a scenario in which a user wears a terminal provided by an embodiment of the present application can be seen in FIG. 1 .
  • the embodiment of the present application introduces the adjustment method provided by the present application by using the terminal device as an example.
  • the basic principle of the head display is to enlarge the image on the display screen through a set of optical lenses, project the image on the retina, and then present a large screen image in the user's eyes, simply by looking at the object through the magnifying glass. Magnified virtual object image.
  • FIG. 3 provides a schematic diagram of a head display.
  • the head display 200 may include a first eyepiece 21, a second eyepiece 22, a first display screen 23, a second display screen 24, a first lens 25, and a second lens 26.
  • the first display screen 23 is used for imaging with the first lens 25, and the second display screen 24 is for imaging with the second lens 26.
  • the first lens 25 and the second lens 26 may specifically be one lens or a lens group.
  • the first display screen 23 and the second display screen 24 may specifically be a liquid crystal display (LCD) panel or an organic light-emitting diode (OLED) panel.
  • the head display may further include a headphone interface, an operation area, and the like.
  • the operation area mainly includes a power button, a navigation button, a volume adjustment button, and a menu button.
  • the power button, navigation button, volume adjustment button, and menu button may also be integrated on the separate remote control.
  • the method of adjusting the focal length in the prior art to clearly image affects the user's field of view (ie, the field of view), which makes the user's immersion worse, thereby reducing the user experience.
  • the virtual image distance that each eyeball can actually see is different.
  • the embodiment of the present application controls the imaging distance of the virtual image by adjusting the position of the display screen. Therefore, it is ensured that the human eye can see a clear image, and does not affect the user's field of view as in the prior art, and can improve the user experience.
  • FIG. 3 shows the basic components and functions of the head display.
  • the terminal 30 and the position adjustment method provided by the embodiment of the present application will be described below by taking the head display shown in FIG. 3 as an example.
  • the eyepiece is a collective name of the first eyepiece and the second eyepiece
  • the lens barrel is a collective name of the first lens barrel and the second lens barrel
  • the display screen is the first A general term for a display screen and a second display screen
  • the lens is a collective term for the first lens and the second lens
  • the visual acuity parameter is a collective term for the visual parameters of the left eye and the visual parameters of the right eye.
  • an embodiment of the present application provides a head display 300, which may include a first eyepiece 31, a second eyepiece 32, and a first adjustment member 33.
  • the first eyepiece 31 includes a first lens barrel 311 and a first display screen 312 disposed in the first lens barrel 311.
  • the first display screen 312 is slidably coupled to the first lens barrel 311.
  • the second eyepiece 32 includes a second lens barrel 321 and a second display screen 322 disposed in the second lens barrel 321 , and the second display screen 322 is slidably coupled to the second lens barrel 321 .
  • the first adjustment member 33 includes a first motor 331 , a first rotating shaft 332 and a first rotating drum 333 disposed perpendicular to the first display screen 312 , the first rotating drum 333 is connected to the first motor 331 , and one end of the first rotating shaft 332 is threadedly engaged with the first rotating drum 333 .
  • the other end of the first rotating shaft 332 is fixedly coupled to the first display screen 312.
  • the first adjusting member 33 further includes a second motor 334, a second rotating shaft 335 and a second rotating drum 336 disposed perpendicularly to the second display screen 322.
  • the second rotating drum 336 is coupled to the second motor 334, and one end of the second rotating shaft 335 The other end of the second rotating shaft 335 is fixedly coupled to the second display screen 322 by threaded engagement with the second drum 336.
  • the sliding connection of the first display screen 312 with the first lens barrel 311 may include various manners.
  • at least one first sliding slot 313 is disposed on the inner wall of the first lens barrel 311.
  • the first display screen 312 is connected to the first lens barrel 311 through the at least one first sliding slot 313.
  • the 312 can slide within the first chute 313.
  • the first adjustment member may perform a first adjustment operation: when the first motor 331 in the first adjustment member 33 is rotated, the first motor 331 drives the first reel 333 to rotate, the first rotation
  • the rotation of the cylinder 333 drives the first rotating shaft 332 to screw in or out of the first rotating cylinder 333.
  • the first rotating shaft 332 is screwed in or out of the first rotating cylinder 333 to drive the first display screen 312 in a direction perpendicular to the first display screen 312. Moving, that is, driving the first display screen 312 to move along the inner wall of the first lens barrel 311, thereby achieving the purpose of adjusting the position of the first display screen 312.
  • the first adjustment member may also perform a second adjustment operation: when the second motor 334 in the first adjustment member 33 rotates, the second motor 334 drives the second drum 336 to rotate, second The rotation of the rotating drum 336 drives the second rotating shaft 335 to screw in or out of the second rotating drum 336.
  • the second rotating shaft 335 is screwed in or out of the second rotating cylinder 336 to drive the second display screen 322 along the second display screen 322.
  • the direction is moved, that is, the second display screen 322 is moved along the inner wall of the second lens barrel 321 to achieve the purpose of adjusting the position of the first display screen 312.
  • the head display 300 provided by the embodiment of the present application can adjust the position of the first display screen 312 and the position of the second display screen 322, respectively.
  • the head display 300 provided by the embodiment of the present application can clearly image by separately adjusting the position of the first display screen 312 corresponding to the left eye and the position of the second display screen 322 corresponding to the right eye. It does not affect the user's field of view as in the prior art, thereby improving the user experience.
  • the head display 300 can adjust the position of the first display screen 312 corresponding to the left eye and the position of the second display screen 322 corresponding to the right eye according to the actual vision condition, so that both the left eye and the right eye can be Observe clear images and enhance the user's visual experience.
  • the manual adjustment method is adopted in the prior art, and the user is obstructed after wearing the head display 300 (see FIG. 1), which is inconvenient for manual operation.
  • the head display 300 provided by the embodiment of the present application can adjust the position of the display screen by controlling the rotation of the motor, without requiring the user to manually adjust the position of the display screen, and thus the adjustment mode is more convenient.
  • the head display 300 provided by the embodiment of the present application may further include a second adjusting member 34.
  • the second adjustment member 34 can include a third motor 343, a transmission assembly 344, and a screw assembly 345, The screw assembly 345 is screwed to the first barrel 311 and the second barrel 321 .
  • the second adjustment member 34 can perform the following third adjustment operation: the third motor 343 drives the screw assembly 345 to rotate by the transmission assembly 344 such that the first barrel 311 and the second barrel 321 are close to each other or away from each other, that is, two The lens barrel moves inward or simultaneously at the same time.
  • the head display 300 can adjust the positions of the first barrel 311 and the second barrel 321 by the second adjustment member 34 such that the first barrel 311 and the second barrel 321 are close to each other or away from each other, thereby making the eyepiece The spacing increases or decreases.
  • the head display 300 provided by the embodiment of the present application can adjust the eyepiece spacing by rotating the motor, thereby adapting to the actual user's actual distance, thereby improving the user's visual experience. Moreover, this adjustment method is more convenient because manual adjustment is not required.
  • the first lens barrel 311 can also be fixed with a first sleeve 341
  • the second lens barrel 321 can also be fixed with a second sleeve 342.
  • the screw assembly 345 passes through the first sleeve 341 and the second sleeve.
  • the sleeve 342 is screwed to the first barrel 311 and the second barrel 321, respectively.
  • the transmission assembly 344 includes an output shaft 41 of the third motor 343 and a turbine 42.
  • the output shaft 41 is a worm.
  • One end of the turbine 42 is coupled to the worm, and the other end of the turbine 42 is coupled to the screw.
  • Component 345 is connected.
  • the screw assembly 345 herein may specifically be a screw.
  • the screw assembly 345 includes a first screw 51, a second screw 52, and a third screw 53, one end of the turbine 42 meshing with the thread of the surface of the first screw 51, the first screw 51
  • the two ends of the second screw 52 and the third screw 53 are respectively provided with gears, and the two ends of the first screw 51 are respectively meshed with the second screw 52 and the third screw 53 through the gear, and the second screw 52 is 52.
  • the one end of the third screw 53 where the gear is not provided is screwed to the first barrel 311 and the second barrel 321, respectively.
  • the screw assembly 345 rotates, but the position does not move.
  • the first screw 51, the second screw 52 and the third screw 53 pass through.
  • a fastener such as a buckle to fix the first screw 346, the second screw 347, and the third screw 348 such that their positions are less likely to move.
  • the screw assembly 345 includes a fourth screw 54. And the fifth screw 55, one end of the fourth screw 54 and the fifth screw 55 are respectively screwed with the first barrel 311 and the second barrel 321, the transmission assembly 344 includes an output shaft 41 of the third motor 343, the connecting rod 43, a first bevel gear 44, a second bevel gear 45, a third bevel gear 46, a fourth bevel gear 47, and a fifth bevel gear 48.
  • the first bevel gear 44 is sleeved on the output shaft 41, and the second bevel gear 45 and the The bevel gear 46 is disposed at both ends of the connecting rod 43, the first bevel gear 44 meshes with the second bevel gear 45, the fourth bevel gear 47 is coupled to the other end of the fourth screw 54, and the fifth bevel gear 48 and the fifth screw The other end of the 55 is connected, and the third bevel gear 46 meshes with the fourth bevel gear 47 and the fifth bevel gear 48, respectively.
  • the four-five screw 55 rotates, so that the fourth screw 54 and the four-five screw 55 are simultaneously screwed into the first sleeve 341 and the second sleeve 342, or simultaneously unscrew the first sleeve 341 and the second sleeve 342, so that The first barrel 311 and the second barrel 321 are simultaneously moved inward or outward.
  • the screw assembly 345 includes a screw instead of the fourth screw 44 and the fifth screw 45 in FIG. 6a, and the fourth bevel gear 47 and the fifth bevel gear 48 sleeve. It is placed on the screw.
  • the screw elements of the screw assembly and the two barrels are opposite in direction of the spiral, or the two barrels are respectively The spiral of the thread at the junction with the screw assembly is opposite.
  • the second adjusting member 34 shown in FIG. 5a to FIG. 6b is only an example, as long as the driving structure capable of simultaneously driving the two barrels by the rotation of the motor can be used simultaneously or simultaneously. In the embodiment of the present application.
  • the second adjusting member 34 can perform the third adjusting operation according to the third rotating direction of the third motor 343 and the third rotating circle.
  • the third rotation direction of the third motor 343 determines whether the two lens cylinders move inward or simultaneously.
  • the third rotation circle determines the distance that the two lens cylinders move inward or simultaneously at the same time.
  • the first motor 331, the second motor 334, and the third motor 343 may specifically be a stepping motor, a direct current motor, an asynchronous motor, a synchronous motor, or the like.
  • the three motors can be dispersed or concentrated according to the space condition.
  • the first motor 331 and the second motor 334 can be disposed in parallel between the two eyepieces, and the third motor 343 can be disposed on the eyepiece.
  • the cross-section of the lens barrel, the shape of the display screen and the lens may be elliptical, rectangular or other shapes in addition to being circular. limited.
  • FIG. 7 shows another schematic structural diagram of the head display 300.
  • the head display 300 provided by the embodiment of the present application may further include a vision input component 35 for detecting visual force information input by the user, and the visual acuity information includes a visual acuity parameter and a pupil distance parameter. At least one of them.
  • the visual acuity parameter includes a left eye visual acuity parameter and/or a right eye visual acuity parameter.
  • the head display 300 may further include a memory 36 for storing vision information corresponding to the identification information of the user.
  • the head display 300 may further include a microprocessor 37 for controlling the first adjustment member 33 or the second adjustment member 34 to perform an adjustment operation based on the visual force input unit 35 or based on the vision information stored in the memory 36.
  • the microprocessor 37 is configured to control the first adjustment component 33 to perform an adjustment operation according to the vision information, and specifically includes:
  • the microprocessor 37 determines a reference value of the first screen distance and/or a reference value of the second screen distance according to the vision information, and determines a first rotation direction and a first rotation of the first motor 331 according to the first screen distance reference value.
  • the number of turns, and/or the second rotational direction and the second rotational number of the second motor 334 are determined according to the second screen distance reference value.
  • the first screen distance is the distance between the position of the first display screen 312 and the left eye reference position
  • the second screen distance is the distance between the position of the second display screen 322 and the right eye reference position.
  • the first adjusting member 33 adjusts the position of the first display screen 312 according to the first rotating direction of the first motor and the first rotating circle, that is, the first adjusting member 33 performs the first adjusting operation to make the adjusted first
  • the distance between the position of the display screen 312 and the left eye reference position is equal to the first screen distance reference value.
  • the first adjusting member 33 adjusts the position of the second display screen 322 according to the second rotation direction of the second motor 334 and the second rotation number, that is, the first adjustment member 33 performs the second adjustment operation described above, so that the adjusted portion The distance between the position of the second display 322 and the right eye reference position is equal to the second screen distance reference value.
  • the head display 300 can obtain the first rotation direction of the first motor 311 and the first rotation number and/or the second rotation direction and the second rotation number of the second motor 321 by the following manner.
  • the head display 300 includes a vision input component 35, and the vision information detected by the input component 35 includes a vision parameter of the left eye and/or a vision parameter of the right eye.
  • the vision parameter herein may include at least one of myopia or hyperopia.
  • the vision input component 35 can include at least one of a voice input unit and a manual input unit. In other words, the user can input visual information by voice or manually.
  • the visual acuity input component 35 may specifically include at least one microphone for detecting visual acuity information in the form of a voice input by the user.
  • the visual acuity input component 35 may specifically include a touch panel, an input panel with a button, or a knob-type input panel. In this way, the user can input the accurate left eye and/or right eye visual parameters in a voice or manual manner through the vision input unit 35.
  • a scenario in which a user inputs a vision parameter through the touch panel 40 can be seen in FIG.
  • a scenario in which a user inputs a vision parameter by voice can be seen in FIG.
  • the head display 300 when the user starts to use the head display 300, for example, when the head display 300 is turned on, the head display 300 can also remind the user to input vision information through visual prompts and/or audible prompts.
  • the head display 300 can emit an audible prompt "Please enter visual information" through a speaker (or earphone).
  • the head display 300 may issue a character prompt "Please input vision information" through the touch panel 40 in the display screen or the vision input unit 35.
  • the head display 300 can illuminate the touch panel 40 in the vision input component 35 to prompt the user to input vision information.
  • FIG. 10 For a schematic diagram of the head display 300 prompting the user through the touch panel 40, reference may be made to FIG.
  • the microprocessor 37 can be based on accurate visual parameters input by the user by voice or manually.
  • a reference value that determines the distance between the display and the reference position of the human eye. Among them, the far-sighted user corresponds to a larger screen distance, and the corresponding screen distance is also larger; the near-screen user corresponds to a smaller screen distance, and the corresponding screen distance reference value is also smaller.
  • the head display 300 may perform the first adjustment operation, the second adjustment operation, and the third adjustment operation according to the vision information before the user wears.
  • the user has not worn the head display, and thus the actual position of the human eye is not known, and the screen distance refers to the distance between the display screen and the preset human eye reference position.
  • the human eye reference position is usually set between 10mm and 20mm from the lens.
  • the left eye reference position may be placed 15 mm from the position of the first lens 314, and the right eye position may be placed 15 mm from the second lens 324 position.
  • the determining, by the microprocessor 37, the first screen distance reference value according to the vision parameter of the left eye may include determining the first screen distance reference value according to the vision parameter of the left eye and the expression 1.
  • the determining, by the microprocessor 37, the second screen distance reference value according to the vision parameter of the right eye may include determining the second screen distance reference value according to the right eye's vision parameter and the expression 1.
  • the expression one can be expressed as:
  • D i when u i represents the first screen distance reference value, D i represents the power of the left eye; when u i represents the second screen distance reference value, D i represents the power of the right eye.
  • k represents a constant, which may be related to the characteristics of the actual product, such as lens parameters, product size, and the like.
  • the unit of power D i is 1/m, 1/m is also called diopter, which is represented by D, and 1 diopter corresponds to 100 degrees of vision. Specifically, myopia 100 degrees corresponds to -1 dD, and far vision 100 degrees corresponds to +1 D.
  • the screen distance corresponding to the near vision parameter is smaller than the reference value, and the distance corresponding to the far vision parameter is larger than the reference value.
  • the microprocessor 37 can calculate the screen distance reference value according to the visual parameter (the visual parameter of the left eye and/or the visual parameter of the right eye) and the expression 1 of the user input each time (the first) One screen eye distance reference value and / or second screen eye distance reference value).
  • the head display 300 may further include a memory 36.
  • the memory 36 may store a preset first comparison table, where the first comparison table includes a correspondence relationship between the vision parameter and the screen distance, and The correspondence between the eye distance and the visual acuity parameter in the first comparison table satisfies the above expression 1.
  • the first comparison table provided by the embodiment of the present application may be as follows:
  • the microprocessor 37 may determine the distance between the current first display screen 312 and the left eye reference position, that is, the current first screen distance according to the current position of the first display screen 312, thereby The difference between the one-eye distance reference value and the current first screen eye distance determines the first rotation direction and the first rotation number of the first motor 331.
  • the current position of the display screen in the head display 300 may be a preset position, or may be a reserved last adjusted position, which is not specifically limited herein.
  • the first screen distance reference value determined by the microprocessor 37 according to the vision parameter of the left eye is 25 mm, and the current first screen distance is 20 mm
  • the display screen 312 is adjusted backwards (in a direction away from the left eye reference position) by 5 mm, and can be recorded as a distance to be adjusted of +5 mm.
  • the microprocessor 37 can calculate the first number of revolutions of the first motor 331 based on the 5 mm and the first pitch of the first rotating shaft 332. Wherein, the first number of rotations may specifically be a quotient of 5 mm and the first pitch.
  • the first display screen 312 needs to be forward (toward the left eye reference position).
  • the direction of the adjustment is 5mm, which can be recorded as the distance to be adjusted is -5mm.
  • the microprocessor 37 can adjust the position of the first display screen 312 forward or backward as needed to determine whether the first rotational direction of the first motor 331 is clockwise or counterclockwise.
  • the corresponding relationship between the moving direction of the first display screen 312 and the rotating direction of the first motor 331 is related to the spiral direction of the threads of the first drum 333 and the first rotating shaft 332.
  • the microprocessor 37 can also determine the second direction of rotation of the second motor 334 and the second revolution.
  • the memory 36 may further store a preset second comparison table, where the second comparison table includes a correspondence between the to-be-adjusted distance of the display screen and the rotation direction and the number of rotations of the motor. . After determining the distance to be adjusted, the microprocessor 37 can determine the rotation direction and the number of rotations of the motor by searching the second comparison table.
  • the first adjustment member 33 may perform the above-described first adjustment operation such that the adjusted position of the first display screen 312 and the left The distance of the eye reference position is equal to the first screen distance reference value.
  • the first adjustment member 33 may perform the second adjustment operation described above such that the adjusted position of the second display screen 322 is left. The distance of the eye reference position is equal to the second screen distance reference value.
  • the head display can determine the distance from the reference value according to the accurate vision parameter input by the user, thereby determining the rotation direction and the number of rotations of the motor, thereby adjusting the position of the display screen to make the vision defect The user can see a clear image on the adjusted display.
  • the head display 300 may further include a memory 36.
  • the vision information stored in the memory 36 includes a vision parameter of the left eye corresponding to the identification information of the user and/or a vision parameter of the right eye.
  • the head display 300 can determine the distance from the reference value according to the accurate vision parameter stored in the memory 36 corresponding to the identification information of the user, thereby determining the rotation direction and the number of rotations of the motor, thereby adjusting the display screen. The location allows visually impaired users to see clear images on the adjusted display.
  • the vision information detected by the vision input unit 35 or stored in the memory 36 is stored.
  • the visual acuity information includes the value of the first screen eye distance and the value of the second screen eye distance.
  • the head display can determine the reference value of the screen distance according to the accurate screen distance value input by the user, thereby determining the rotation direction and the number of rotations of the motor, thereby adjusting the position of the display screen, thereby making the position of the display screen Users with visual impairments can see clear images on the adjusted display.
  • the first possible implementation described above may be applied to a scenario in which the user first uses the head display 300.
  • the visual acuity information corresponding to the identification information of the user is not stored in the memory 36.
  • the user needs to input the visual acuity parameter of the left eye and/or the visual acuity parameter of the right eye through the visual acuity input component 35.
  • the head display 300 defaults to the normal visual acuity
  • the visual acuity parameter is a preset normal visual acuity parameter.
  • the memory 36 may store vision information corresponding to the user's identification information, so that the user can adjust the vision more efficiently according to the vision information in the memory 36 when the head display 300 is used next time. The user is required to enter vision information again.
  • the microprocessor 37 may be further configured to control the second adjustment component 34 to perform the adjustment operation according to the visual acuity information, specifically including:
  • the microprocessor 37 determines the third rotational direction and the third rotational lap of the third motor 343 based on the interpupillary parameter.
  • the second adjusting member 34 is configured to perform the third adjusting operation according to the third rotating direction of the third motor 343 and the third rotating ring, so that the distance between the adjusted first eyepiece and the second eyepiece is equal to ⁇ Distance parameter.
  • the microprocessor 37 determines the third rotation direction and the third rotation number of the third motor 343, and the microprocessor 37 determines that the first rotation direction of the first motor 331 is similar to the first rotation rotation number, and details are not described herein. .
  • the difference between the pitch parameter and the current eyepiece distance may be similar to the above-mentioned distance to be adjusted.
  • the head display provided by the embodiment of the present application can determine the rotation direction and the number of rotations of the motor according to an accurate distance parameter input by the user or an accurate distance parameter corresponding to the identification information of the user stored in the memory. Then adjust the position of the two eyepieces so that the position of the adjusted eyepiece can be adapted to the distance of the current user, thereby improving the user's visual experience.
  • the head display 300 provided by the embodiment of the present application may further include an identifier input component 39 for inputting identification information of the user.
  • the user's identification information can be used to uniquely identify a user.
  • the identification information of the user may include at least one of character information, voice information, fingerprint information, iris information, and face information corresponding to the user.
  • the identification input component 39 may be a touch panel, an input panel with a button, etc.; when the identification information of the user is voice information, the identification data component may specifically be a microphone;
  • the identifier input component 39 may specifically be a fingerprint recognition component; when the user's identification information is iris information, the identifier input component 39 may be an iris recognition component, and when the user's identification information is facial recognition information, the identification input Component 39 can be a facial recognition component.
  • the iris recognition component and the face recognition component may specifically include a camera.
  • the vision information matched with the identification information of the user stored in the memory 36 may be used according to the vision information. Adjust the operation.
  • the head display 300 when the user starts to use the head display 300, for example, when the head display 300 is turned on, the head display 300 can prompt the user to input the identification information through a visual prompt and/or an audible prompt.
  • the head display 300 can prompt the user to "please input identification information" by voice.
  • the head display 300 when the head display 300 includes the touch panel 40, the head display 300 may prompt the user "please input identification information" through the touch panel 40.
  • the head display 300 may also trigger a prompt message to prompt the user to adjust the position/eyepiece spacing of the display screen.
  • the prompt information herein may include a visual prompt and/or an audible prompt. Exemplary, or other types of prompt information are not specifically limited herein.
  • the head display 300 can display visual prompt information "position of the adjusted display screen” and "adjustment completion" on the display screen. Or characters such as "ok”.
  • the head display 300 can display the visual cue information "Adjusted eyepiece pitch" on at least one display screen after adjusting the eyepiece spacing.
  • the head display 300 can display the actual distance between the position of the adjusted display screen and the position of the human eye on the display screen.
  • the head display 300 can display the adjusted eyepiece spacing on at least one display.
  • the head display 300 can issue a voice prompt of “adjustment completed”. For example, referring to FIG. 15, after the head display 300 adjusts the position of the first display screen 312, a voice prompt of "the position of the first display screen has been adjusted” may be issued.
  • the head display 300 can emit a "beep" sound prompt after adjusting the position of the display screen/eyepiece spacing.
  • the head display 300 can simultaneously display the prompt message “Adjustment completed” on the display screen and make a “beep” sound.
  • the head display 300 can prompt the user to adjust the position/eyepiece spacing of the display screen by vibration. In addition, there are other possible ways of prompting, not to mention here.
  • the actual position of the human eye may be slightly different from the reference position of the human eye due to different degrees of tightness of the wearing, individual differences, etc., or the visual parameters of the user may slightly change.
  • the head display 300 adjusts the position of the display screen according to the user's accurate vision information, the image observed by the user on the display screen may not be particularly clear.
  • the user can further finely adjust the position of the display screen by triggering the indication information. .
  • the head display 300 provided by the embodiment of the present application may further include a wearing detecting component 310 and an indication input component 38.
  • the wear detecting component 310 can be used to detect whether the terminal 30 has been worn by the user.
  • the indication input component 38 can be configured to detect, when the wearing detection component 310 detects that the terminal 30 has been worn by the user, the first indication information for indicating the adjustment of the vision parameter of the left eye and/or the vision parameter of the right eye.
  • the microprocessor 37 is further configured to determine, according to the first indication information, a first adjustment value and/or a second adjustment value, where the first adjustment value is an adjustment value of the first screen distance, and the second adjustment value is The adjustment value of the two-screen eye distance. And determining a fourth rotation direction and a fourth rotation number of the first motor 331 according to the first adjustment value, and/or determining a fifth rotation direction and a fifth rotation number of the second motor 334 according to the second adjustment value.
  • the first adjusting member 33 can also be configured to adjust the position of the first display screen 312 according to the fourth rotation direction of the first motor 331 and the fourth rotation number, and/or according to the fifth rotation of the second motor 334.
  • the position of the second display screen 322 is adjusted by the direction and the number of fifth rotations.
  • the indication input component 38 may include at least one of a voice indication input component and a body state indication input component.
  • the voice indication input component may specifically include a microphone for detecting a voice indication of the user.
  • the posture indicator input component may specifically include a camera for detecting a posture indication of the user.
  • the posture input component herein may detect posture indication information used by the user to indicate adjustment of the vision parameter of the left eye and/or the vision parameter of the right eye, and may be, for example, user eye activity information and user head activity information.
  • the indication input component 38 may specifically include a plurality of sensors for detecting the indication information of the user.
  • the user can indicate that the left eye myopia is adjusted by 1 degree by the voice, the right eye farsightedness is lowered by 3 degrees, and the like.
  • the memory 36 may also store a preset adjustment step size, for example, the visual acuity parameter is 1 degree, and the user may voice up to increase the left eye myopia degree, that is, equivalent to indicating that the left eye myopia degree is increased by 1 degree.
  • the user can turn the head to the left to indicate that the eyesight parameter of the left eye needs to be adjusted, and turn the head up to indicate that the user's vision parameter is raised; the user can turn the head to the right to Indicates that the vision parameter of the right eye needs to be adjusted, and the head is turned down to indicate that the user's vision parameter is lowered.
  • the user can move the hand to the left to indicate that the eyesight parameter of the left eye needs to be adjusted. Referring to FIG. 17, the finger pointing up indicates that the eyesight parameter of the left eye needs to be adjusted; the user can move the hand to the right. Indicates that the vision parameters of the right eye need to be adjusted.
  • the user may also trigger the first indication information by combining the voice and the body state.
  • the user can voice the left eye and turn the head up to indicate that the left eye's vision parameter is raised by the preset step size.
  • the microprocessor 37 can determine the adjusted visual power parameter according to the adjusted value of the visual acuity parameter indicated by the first indication information, and determine the distance of the eye shadow according to the adjusted visual power parameter, the expression one, and the actual value of the current screen distance. Adjustment value.
  • a second comparison table similar to Table 1 may be stored in the memory 36 for indicating the correspondence between the adjustment value of the vision parameter and the adjustment value of the screen distance.
  • the microprocessor 37 can determine the adjustment value of the screen distance corresponding to the adjustment value of the vision parameter by using the lookup table 2 according to the adjustment value of the vision parameter indicated by the first indication information.
  • the second comparison table can be specifically referred to the following Table 2. The values of the adjustment values of the visual acuity parameters in Table 2 are small.
  • Myopia parameter adjustment value Screen distance adjustment value ... ... -1.5 degrees Adjustment value 1 -1 degree Adjustment value 2 -0.5 degrees Adjustment value 3 0.5 degrees Adjustment value 4 1 degree Adjustment value 5 1.5 degrees Adjustment value 6 ... ...
  • the adjustment value of the nearsighted parameter in Table 2 may have positive and negative points, for example, positive when increasing, and negative when decreasing.
  • the adjustment value can also have positive and negative points.
  • the adjustment value of the nearsighted parameter when the adjustment value of the nearsighted parameter is positive, it indicates that the nearsighted parameter is increased, and the adjustment value of the eye shadow distance may be negative, indicating that the distance of the screen eye needs to be reduced, and the display screen needs to move toward the human eye; when the near vision parameter When the adjustment value is negative, it means that the myopia parameter is reduced.
  • the adjustment value of the screen eye distance can be positive, indicating that the screen distance needs to be increased, and the display screen needs to move away from the human eye.
  • the adjustment value of the screen distance may be similar to the above-mentioned distance to be adjusted, and similar to the method of determining the first rotation direction and the first rotation number according to the to-be-adjusted distance, the microprocessor 37 may adjust according to the first screen distance.
  • the value determines the fourth rotation direction and the fourth rotation number, and determines the fifth rotation direction and the fifth rotation number according to the adjustment value of the second screen distance, thereby finely adjusting the positions of the first display screen 312 and the second display screen 322, The specific process will not be described here.
  • the indication input component 38 is further configured to detect, when the wearing detection component 310 detects that the terminal 30 has been worn by the user, the second indication information of the user is used to indicate the increase.
  • the first screen distance and/or the second screen distance are reduced or decreased, or the second indication information is used to indicate the position of the first display screen 312 and/or the second display screen 322 being adjusted forward or backward. That is, the second indication information is used to directly indicate the position of the display screen.
  • the second indication information may specifically be voice information and/or body information.
  • the second indication information may be adjusted by the voice to increase the first screen distance by 2 mm, or to move the position of the first display screen 312 to the distance by 2 mm.
  • the user can turn the head to the right to indicate that the second display screen 322 is adjusted, the upward rotation of the head indicates that the second screen distance is turned up, or that the adjustment is performed backward according to the preset step size (for example, 0.5 mm).
  • the user can turn the head to the right to indicate that the second display screen 322 is adjusted, the hand is moved forward to indicate that the second screen distance is turned down, or the hand is moved backward to indicate that the second screen is turned up. distance.
  • the microprocessor 37 is further configured to determine a sixth rotation direction and a sixth rotation number of the first motor 331 according to the second indication information, and/or determine a seventh rotation direction of the second motor 334 according to the second indication information.
  • the first adjusting member 33 can also be configured to adjust the position of the first display screen 312 according to the sixth rotation direction and the sixth rotation number of the first motor 331, and/or according to the seventh rotation direction of the second motor 334 and The position of the second display screen 322 is adjusted by the seventh rotation number.
  • the microprocessor 37 can determine the sixth rotation direction and the sixth rotation number according to the adjustment value of the first screen distance indicated by the second indication information, and further fine-tune the first display screen 312 by the first motor 331.
  • the microprocessor 37 may determine the seventh rotation direction and the seventh rotation number according to the adjustment value of the second screen distance indicated by the second indication information, thereby finely adjusting the second display screen 322 by the second motor 334. position.
  • the user can also input the first indication information by voice or body state through the instruction input component 38, and finely adjust the vision parameter, thereby displaying the same. Fine-tune the position of the screen.
  • the head display 300 provided by the embodiment of the present application can be input according to the user before being worn by the user.
  • the accurate visual information stored in the memory 36 or the memory 36 adjusts the position of the display screen; after the user wears, the position of the display screen can be finely adjusted according to the indication information triggered by the user through voice, body posture, etc., so that the user can adjust The display can observe a clearer image.
  • the head display 300 Compared with the method of manually adjusting the focal length in the prior art, the head display 300 provided by the embodiment of the present application not only does not affect the field of view of the user, but also does not require the user to perform manual adjustment when the vision is blocked after wearing, and thus does not It will be affected by the obstruction of vision and the adjustment method is more convenient, so it can improve the user experience.
  • the head display 300 provided by the embodiment of the present application may first coarsely adjust the position of the display screen according to the accurate vision parameter input by the user, so that the display screen reaches a relatively accurate position, so that the display screen is relatively clear; The user can finely adjust the position of the display screen by means of the indication information triggered by voice, body posture, etc., so that the image of the adjusted display screen can be made clearer, and the adjustment process is simple and fast, and the user experience can be improved.
  • the head display 300 can also fine-tune the eyepiece spacing.
  • the indication input component 38 is further configured to detect third indication information of the user when the wearing detection component 310 detects that the terminal 30 has been worn by the user, and the third indication information is used to indicate increasing or decreasing the distance parameter. Or eyepiece spacing.
  • the microprocessor 37 is further configured to determine an eighth rotational direction and an eighth rotational lap of the third motor 343 according to the third indication information.
  • the second adjustment member 34 is further configured to adjust the eyepiece pitch according to the eighth rotation direction and the eighth rotation number of the third motor 343.
  • the third indication information may specifically be voice and/or body information.
  • the user can indicate that the eyepiece spacing needs to be reduced by a pinch gesture.
  • the user can indicate "close to two eyepieces" by voice.
  • the increased or decreased pitch parameter or the eyepiece pitch indicated by the third indication information may be similar to the above-mentioned to-be-adjusted distance, and the microprocessor 37 is configured to determine the eighth rotation direction of the third motor 343 according to the third indication information.
  • the process of determining the first rotation direction and the first rotation number of the first motor 331 according to the distance to be adjusted the process of determining the first rotation direction of the first motor 331 by the microprocessor 37 is not described herein.
  • the head display 300 provided by the embodiment of the present application can adjust the eyepiece spacing according to the accurate distance parameter input by the user before being worn by the user; and after the user wears, the user can trigger according to the non-manual operation mode such as voice and body posture.
  • the indication information fine-tunes the eyepiece spacing, so that the adjusted eyepiece spacing is better matched with the actual user's actual pupil distance, so that the user feels more comfortable after wearing and improves the user's visual experience.
  • the head display 300 can also trigger the prompt information after fine-tuning the position of the display screen/eyepiece spacing, which will not be described here.
  • the instruction input component 38 and the vision input component 35 in the embodiment of the present application may be the same component or different.
  • the user when the user uses the head display 300, after viewing the clear image, the user can also trigger the head display 300 to display the value of the currently adjusted screen eye distance and the value of the eyepiece spacing through the display screen.
  • the visual acuity parameter stored in the memory 36 may be the visual acuity parameter adjusted by the head display 300 according to the first indication information; the value of the interpupillary distance stored in the memory 36 may be according to the above The value of the third distance after the adjustment of the information.
  • the head display 300 adjusts the position of the display screen or the eyepiece pitch based on the visual acuity information stored in the memory, it is possible to perform the adjustment more accurately and efficiently based on the adjusted vision information at the time of the last use.
  • the visual acuity parameter stored in the memory 36 may specifically be an adjusted visual acuity parameter indicated by a voice or a body state when the user last used. For example, if the myopia parameter of the left eye input by the user through the vision input unit 35 is 100 degrees, and then the instruction of the input unit 38 is directed to increase the left eye myopia parameter by 3 degrees, the left eye of the user saved in the memory 36 The visual acuity parameter is 103 degrees of myopia. In this way, the user can adjust the position of the display screen and the eyepiece distance directly, accurately, and efficiently according to the vision parameter corresponding to the identification information of the user stored in the memory 36, without using the user to input the vision parameter again.
  • the visual acuity parameter stored in the memory 36 may also be the visual acuity parameter input by the visual input component 35; the value of the inter-screen distance stored in the memory 36 may also be the pre-fine-screen distance of the eye.
  • the value of the interpupillary distance stored in the memory 36 may also be the interpupillary parameter of the user input detected by the visual acuity input unit 35.
  • the head display 300 can restore the display screen position and the eyepiece spacing to a preset value. In this case, when the user uses the user again, the head display 300 can adjust the position of the display screen and the eyepiece spacing according to the adjustment information corresponding to the identification information of the user.
  • the head display 300 can retain the position of the adjusted display screen and the eyepiece spacing. In this case, if the user has not used the head display 300 before the user uses it again, the position of the display screen and the eyepiece spacing in the head display 300 are still the adjusted values when the user last used the user. When used again, there is no need to adjust the position of the display and the distance between the eyepieces, so that a clear image can be observed directly.
  • the position of the display screen and the eyepiece spacing in the head display 300 may be changed, and when the user uses it again, the user may save according to the The visual information corresponding to the identification information of the user accurately and efficiently adjusts the position of the display screen and the distance between the eyepieces.
  • FIG. 20 Another embodiment of the present application further provides a terminal 60, see FIG. 20, comprising: a vision input component 61 for detecting visual force information input by a user, the visual acuity information including a visual acuity parameter of the left eye and/or a visual acuity parameter of the right eye .
  • the memory 62 is configured to store vision information corresponding to the identification information of the user.
  • the microprocessor 63 is configured to determine a screen distance reference value according to the vision information detected by the vision input unit 61 or the vision information stored in the memory 62, and the screen distance reference value includes the first screen distance reference value and/or the second a distance from the reference screen, the first screen eye distance is the distance between the first display screen and the left eye reference position, and the second screen eye distance is the distance between the second display screen and the right eye reference position; Adjusting the position of the display screen from the reference value such that the distance between the adjusted position of the first display screen and the left eye reference position is equal to the first screen distance reference value, or the adjusted second display position The distance from the right eye reference position is equal to the second screen distance reference value.
  • the embodiment of the present application further provides a position adjustment method, which can be applied to the foregoing terminal shown in FIG. 4 to FIG. End 30, and terminal 60 shown in FIG. 20, see FIG. 21, the method may include:
  • the terminal determines a screen distance reference value according to the user's vision information, and the vision information includes visual power information input by the user, or visual power information corresponding to the user's identification information stored in the terminal.
  • the vision information includes a visual parameter of the left eye and/or a visual parameter of the right eye
  • the reference value of the eye shadow includes a reference value of the first screen distance and/or a reference value of the second screen distance
  • the first screen distance is the first The distance between a display screen and a left eye reference position
  • the second screen distance is the distance between the second display screen and the right eye reference position.
  • the terminal adjusts the position of the display screen according to the reference distance of the screen eye, so that the distance between the adjusted position of the first display screen and the reference position of the left eye is equal to the reference value of the first screen eye distance, or the adjusted The distance between the position of the second display screen and the right eye reference position is equal to the second screen distance reference value.
  • the method provided by the embodiment of the present application can separately adjust the first display screen corresponding to the left eye according to the accurate vision information input by the user or the stored vision information corresponding to the user.
  • the position and the position of the second display corresponding to the right eye are clearly imaged, and the influence on the user's field of view range is not affected as in the prior art, so that the user experience can be improved.
  • the method provided by the embodiment of the present application can adjust the position of the display screen by rotating the motor, and does not require the user to manually adjust the position of the display screen, so the adjustment mode is more convenient.
  • the vision information may further include a pitch parameter, which is a reference value of the eyepiece spacing, and the eyepiece spacing is a distance between the first eyepiece and the second eyepiece.
  • the first eyepiece includes a first display screen
  • the second eyepiece includes a second display screen.
  • the terminal adjusts the eyepiece spacing according to the pitch parameter, so that the adjusted eyepiece spacing is equal to the pupil distance parameter.
  • the method provided by the embodiment of the present application can adjust the eyepiece spacing according to the pitch parameter to adapt to the distance of different users and improve the visual experience of the user. Moreover, this adjustment method is more convenient because manual adjustment is not required.
  • the method may further include:
  • the terminal After the terminal is worn by the user, the terminal receives the indication information of the user.
  • the terminal adjusts at least one of a position of the first display screen, a position of the second display, and an eyepiece spacing in response to the indication information.
  • the terminal can coarsely adjust the position of the display screen or the eyepiece spacing according to the vision information before being worn by the user, and finely adjust the position of the display screen or the eyepiece spacing after being worn by the user, thereby making the imaging clearer. It can improve the user experience.
  • the terminal 70 may include: a processor 71, a memory 72, a bus 73, and a communication interface 74.
  • the memory 72 is configured to store computer execution instructions, and the processor 71
  • the memory 72 is connected to the memory 73.
  • the processor 71 executes the computer execution instructions stored in the memory 72 to cause the terminal 70 to execute the above-described scheduling method.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Eyeglasses (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Des modes de réalisation de la présente invention concernent le domaine technique des terminaux, et fournissent un procédé d'ajustement de position et un terminal, aptes à ajuster respectivement des positions de deux écrans d'affichage pour améliorer l'expérience visuelle d'utilisateurs malvoyants. La solution spécifique est : un premier élément de réglage 33 qui comprend un premier moteur 331, un premier arbre rotatif 332, et un premier cylindre rotatif 333 disposé perpendiculairement à un premier écran d'affichage 312; le premier cylindre rotatif 333 est relié au premier moteur 331; une extrémité du premier arbre rotatif 332 est ajustée par filetage au premier cylindre rotatif 333, et l'autre extrémité du premier arbre rotatif 332 est reliée de manière fixe au premier écran d'affichage 312; le premier élément de réglage 33 comprend en outre un second moteur 334, un second arbre rotatif 335, et un second cylindre rotatif 336 disposé perpendiculairement à un second écran d'affichage 322; le second cylindre rotatif 336 est relié au second moteur 334; une extrémité du second arbre rotatif est ajustée par filetage au second cylindre rotatif, et l'autre extrémité du second arbre rotatif est reliée de manière fixe au second écran d'affichage. Les modes de réalisation de la présente invention sont utilisés pour ajuster des positions d'écrans d'affichage.
PCT/CN2017/092541 2016-12-26 2017-07-11 Procédé d'ajustement de position et terminal Ceased WO2018120751A1 (fr)

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CN114200678A (zh) * 2021-12-24 2022-03-18 深圳纳德光学有限公司 一种瞳距屈光度按压锁定旋转调节机构
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