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WO2018049621A1 - Dispositif électronique monté sur la tête et son module d'affichage - Google Patents

Dispositif électronique monté sur la tête et son module d'affichage Download PDF

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Publication number
WO2018049621A1
WO2018049621A1 PCT/CN2016/099104 CN2016099104W WO2018049621A1 WO 2018049621 A1 WO2018049621 A1 WO 2018049621A1 CN 2016099104 W CN2016099104 W CN 2016099104W WO 2018049621 A1 WO2018049621 A1 WO 2018049621A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
optical module
display
operating member
bracket
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/CN2016/099104
Other languages
English (en)
Chinese (zh)
Inventor
余林蔚
谭鹏
陈松亚
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.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole 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 Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201680036029.2A priority Critical patent/CN107820579A/zh
Priority to PCT/CN2016/099104 priority patent/WO2018049621A1/fr
Publication of WO2018049621A1 publication Critical patent/WO2018049621A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features

Definitions

  • the invention relates to a display module of a head-mounted electronic device, in particular to a display module capable of adjusting diopter and lay length.
  • HMD Head Mounted Display
  • the working principle is to amplify the image on the ultra-micro display through a set of precise optical lenses, and project the image on the eye, so that the wearer can view the magnified virtual image, similar to taking a magnifying glass to see the object showing an enlarged virtual image.
  • the HMD part currently on the market supports far-near vision adjustment, one of which is to adjust the distance between the display screen and the optical lens, so that the display screen and the optical lens need to be spaced apart.
  • dust entering the interior of the HMD tends to adhere to the display or to the optical lens, affecting the viewing effect.
  • the present invention is directed to a display module capable of effectively preventing dust while adjusting diopter and a head mounted electronic device having the same.
  • Embodiments of the present invention provide a display module including an optical module, a bracket, a display screen, and an elastic sealing tube.
  • a bracket is movably coupled to the optical module.
  • the display screen includes a body that displays an image and is fixed to the side of the bracket opposite the optical module.
  • the elastic sealing tube is retractable in a direction in which the bracket moves, and the two ends are sealingly connected to the bracket and the optical module respectively to seal the main body of the display screen formed by the bracket, the optical module and the elastic sealing tube In space.
  • the elastic sealing tube is arranged such that when the user adjusts the diopter within the allowable range, foreign matter cannot enter the elastic sealing tube and affect the effect of the image being projected on the user's eyes.
  • FIG. 1 is a schematic diagram of a head mounted display device according to an embodiment of the present invention.
  • FIG. 2 is a partial cross-sectional view showing a display portion of the head mounted display device of FIG. 1.
  • FIG. 3 is a top plan view of a display portion of the head mounted display device of FIG. 1.
  • FIG. 4 is a schematic structural view of a display module of the head mounted display device of FIG. 1.
  • FIG. 5 is a partially exploded perspective view of the display module of FIG. 1.
  • FIG. 5 is a partially exploded perspective view of the display module of FIG. 1.
  • FIG. 6 is another partially exploded perspective view of the display module of FIG. 1.
  • FIG. 7 is another partial exploded view of the display module of FIG. 1.
  • FIG. 7 is another partial exploded view of the display module of FIG. 1.
  • the present invention provides a head mounted display device 100 including a display portion 102 for causing a user to see a display image and a headphone portion for causing a user to hear a sound matching the image. 104.
  • the earphone portion 104 is disposed at opposite ends of the display portion 102 and is a covered earphone for providing a user with a high quality auditory body. Test.
  • the display portion 102 and the earphone portion 104 are preferably relatively rotatable to rotate to mutually overlapping positions when not in use, reducing the accommodation space required for the entire head mounted display device 100, such as the earphone portion 104 rotating in the direction indicated by the arrow AR.
  • the earphone portion 104 can also be an earbud type earphone, or just an earphone interface, such as a 3.5 mm headphone jack, for the user to access his or her desired earphone.
  • the display portion 102 includes a housing 106 connected to the earphone portion 104 and two display modules 108 housed in the housing 106. Each display module 108 is configured to project an image beam 105 to a corresponding eye of the user. So that the user can see the enlarged dotted line and get the visual effect of watching the big screen.
  • each image light beam 105 is emitted from the flat view surface HS in the downward direction of the plan view surface HS, and the optical axis thereof forms a non-zero first angle ⁇ with the plan view surface HS to correspond to incidence.
  • Eyes EY; the optical axes of the respective image beams 105 are distant from each other in the direction of their respective incidences of the corresponding eyes, and a second angle ⁇ of non-zero is formed between the two optical axes.
  • the eye when the user views the image displayed by the display module 108, the eye is inclined downward by a first angle ⁇ with respect to the eye, which is suitable for the eyes to be comfortable to watch.
  • the habit therefore, under the above technical solution, the user does not feel fatigued when viewing the head-mounted display device 100 for a long time.
  • the optical axis of the image beam 105 projected by the display module 108 to the user's eyes is relatively "spread", that is, the optical axes are distant from each other in the direction of the respective incident corresponding eyes and between the two optical axes
  • the non-zero second angle ⁇ is formed, so that the dotted line seen by the user in the direction opposite to the incident of the two optical axes is easy to focus and coincide, which is convenient for the user to wear the display device 100 and not easily see the non-coincident image.
  • Love condition. Whether you can see the coincident images and whether you can watch them for a long time is an important aspect of the user experience.
  • the above two angles are set to improve the comfort of the user.
  • the outer casing 106 includes an upper plate 106a, a lower plate 106b opposite to the upper plate 106a, and a front plate connecting the upper plate 106a and the lower plate 106b toward the user's eyes, the front plate including a left front plate 106c facing the left eye of the user and The right front panel 106d facing the right eye of the user.
  • the angle between the left front plate 106c and the right front plate 106d is (180°- ⁇ ). In this way, during the installation process, the two display modules 108 respectively abut the left front plate 106c and the right front plate 106d, so that the second angle is fixed to a preset angle ⁇ .
  • the angle ⁇ between the lower plate 106b and the left front plate 106c and the right front plate 106d is equal to or greater than (90°- ⁇ ).
  • the angle ⁇ between the upper plate 106a and the left front plate 106c and the right front plate 106d is equal to or greater than (90° + ⁇ ).
  • an embodiment of the display module 108 includes an optical module 10 , an image generating device 20 , a first adjusting module 30 , and a second adjusting module 40 .
  • the optical module 10 is movable in a set first direction X.
  • the image generating device 20 is movably coupled to the optical module 10 in the set second direction Y.
  • the first adjustment module 30 includes a first operating member 32 and a locking mechanism 34 that is synchronized with the optical module 10 in the first direction X.
  • the locking mechanism 34 is in a first state in which the position of the optical module 10 is locked when the external force is not applied, and is in a second state in which the optical module 10 is movable in the first direction X when the first operation 32 receives an external force.
  • the second adjustment module 40 includes a transmission mechanism 42 that is synchronized with the optical module 10 in the first direction X and a second operation member 44 that is coupled to the image generation device 20 via the transmission mechanism 42.
  • the second operating member 44 surrounds the first operating member 32 and its rotation causes the image generating device 20 to move in the second direction Y.
  • the locking mechanism 34 can be moved in the first direction by the external force, thereby driving the optical module 10 along the first direction.
  • the X movement acts to adjust the distance between the two display modules 108 to accommodate the user's interpupillary distance.
  • Rotating the second operating member 44 can move the image generating device 20 in the second direction Y through the transmission mechanism 42 to adjust the distance between the image generating device 20 and the optical module 10 (ie, the diopter), thereby adapting The degree of myopia or hyperopia for different users.
  • the second operating member 44 since the second operating member 44 needs a rotating operation, the portion to be rotated by the user should be far away from the center of the rotating shaft to facilitate the user's operation. Therefore, the intermediate portion of the second operating member 44 is not suitable for the user's operation.
  • the first operating member 32 is located at an intermediate portion of the second operating member 44, that is, the structure disposed to be surrounded by the second operating member 44 is advantageous for reducing the area occupied by the two operating members 32, 44 on the lower plate 106b, so that the overall design It is relatively simple, and the two operating members 32, 44 are also arranged in such a manner that the user does not need to move to two separate positions when adjusting the diopter and the slanting distance, which is convenient for the user's operation.
  • a plurality of lenses are disposed in the optical module 10 and are moved in the first direction X under the guidance of the first guide bar 11 .
  • the image generating device 20 may be an OLED display screen that produces an image beam 105 that is projected into the user's eyes in a set direction under the guidance of the optical module 10, thereby allowing the user to see the magnified virtual image.
  • the image generating device 20 moves in the second direction Y under the guidance of the second guide bar 21.
  • the locking mechanism 34 includes an elastic member 36 and a positioning member for coupling with a coupling portion 107 38.
  • the elastic member 36 is for applying an elastic force to the positioning portion 38 to be coupled with the coupling portion 107 to cause the locking mechanism 34 to be in the first state described above.
  • the first operating member 32 transmits an external force to the elastic member 36 through the positioning member 38 to decouple the positioning member 38 from the coupling portion 107, thereby causing the locking mechanism 34 to be in the second state described above.
  • the coupling portion 107 is disposed on an inner surface of the lower plate 106b and has an undulating wave shape.
  • the positioning member 38 is also provided with a corrugated portion 38a corresponding in shape to cooperate with the coupling portion 107.
  • the elastic member 36 is a spring and is above the positioning member 38 and is always in a compressed state to apply a downward elastic force to the positioning portion 38. In this manner, when the coupling portion 107 and the positioning member 38 are matched by the unevenness, the positioning portion 38 cannot move in the first direction X when it is only subjected to the action of the elastic member 36.
  • the opposite sides of the positioning member 38 are also respectively provided with an outwardly extending hook 38b.
  • the two hooks 38b are slidable relative to the housing 48 of the transmission mechanism 42 (described in detail below) and locked.
  • the mechanism 30 abuts the housing 48 when in the first state, as shown in FIG.
  • the positioning member 38 is restricted from continuing to slide downward by the action of the hook 38b.
  • the positioning member 38 can slide upward (not shown) with respect to the housing 48, thereby allowing the coupling portion 107 to be uncoupled.
  • the first operating member 32 is also provided with two similar hooks 32a for abutting against the second operating member 44 when the locking mechanism 30 is in the first state, preventing the sliding from continuing downward; when the external force is applied The first operating member 32 slides upward so that the hook 32a abuts against the top positioning member 38, thereby decoupling the positioning member 38 from the coupling portion 107.
  • the outer surface of the first operating member 32 facing outward is recessed inwardly, thereby facilitating the user to move the optical module 10 in the first direction X by the first operation 32.
  • the elastic member 36 may also be disposed below the positioning member 38 while being stretched.
  • the positioning member 38 is movable in the third direction Z substantially perpendicular to the first direction X or the second direction Y.
  • the first operating member 32 can also be disposed on the upper plate 106a of the outer casing 106 or the outer surface facing away from the user by the principle similar to the above embodiment, that is, the positioning member 38 is not limited to the third direction.
  • the Z is slidable, and may be, for example, the first direction X or the second direction Y described above.
  • the second operating member 44 is provided with a recess 44 a , and the first operating member 32 is received in the recess 44 a so as to be surrounded by the second operating member 44 .
  • a portion of the second operating member 44 surrounding the first operating member 32 is annular and an outer surface of the annular portion is provided with a plurality of radially extending ribs 44b, and the first operating member has a corresponding circular shape at 44.
  • the first operating member 32 is located in the recess 44a to be surrounded by the second operating member 44, and the arrangement of the ribs 44b facilitates the user's rotation of the second operating member 44.
  • the transmission mechanism 42 is coupled to include at least one screw 46 for converting rotational motion into linear motion.
  • the second operating member 44 connects the at least one screw 46 and drives its rotation under the action of an external force.
  • the second operating member 44 can be fixedly coupled to the screw 46 by screws 41 such that the two rotate in synchronization. Since the screw 46 is coupled to the image generating device 10, the second operating member 44 can be rotated to adjust the distance between the image generating device 10 and the optical module 20 to accommodate different distance or nearsighted users.
  • the at least one screw 46 includes two mutually angles in the present embodiment.
  • the screw 46, 46a is adapted to the embodiment, that is, the rotation on the second operating member 44 is transmitted to the screw 46a through the screw 46, and the screw threaded on the screw 46a is coupled with the thread on the optical module 20 to convert the rotary motion.
  • the second operating member 44 can be adjusted for other purposes if it is disposed at other locations, such as the housing facing away from the front side surface of the user.
  • the transmission 42 further includes a housing 48 that is received within the housing 48.
  • the housing 48 functions to fix the position of the at least one screw 46 so that the position thereof is less likely to change and the adjustment is impossible.
  • the housing 48 includes a fixed to light
  • the first housing 48a of the module 20 and the second housing 48b on the opposite side are learned.
  • the second housing 48b is provided with a blind hole 48c.
  • the elastic member 36 is partially received in the blind hole 48c, and partially extends out of the blind hole 48c and abuts against the positioning member 38.
  • the arrangement of the blind holes 48c serves to fix the position of the elastic member 36.
  • the first adjustment module 30 further includes a spring plate 35 fixed to the lower plate 106 b of the outer casing 106 .
  • the surface of the optical module 20 is further provided with a plurality of concave friction portions 22 , and the optical module 20 is along the first During the movement of the direction X, the elastic piece 35 abuts against the friction portion 22 to emit vibration and/or sound, so as to allow the user to perceive the movement of the optical module 20, and at the same time, the depression of the friction portion 22 of the elastic piece 35 also rises. The role to a fixed position.
  • the image generating device 20 includes a display screen 23, a bracket 24, and an elastic sealing tube 25.
  • the display screen 23 includes a main body 23a for displaying an image, and the display screen 23 can be fixed to one side of the holder 24 facing away from the optical module 20 by screws, and the side on which the image is displayed faces the lens module 10.
  • the bracket 24 is movably coupled to the optical module 20, for example, a plurality of fixing holes 24a are provided thereon for being sleeved to the second guiding rod 21 such that the bracket 24 is disposed in the direction of the second guiding rod 21, That is, the second direction Y is movably connected to the optical module 20.
  • the elastic sealing tube 25 is sealingly fixed to the bracket 24 at one end, and the opposite end is sealingly fixed to the lens module 10, and can extend or contract in the direction in which the bracket 24 moves, that is, in the second direction Y, to display the display screen 23.
  • the main body 23a on which the image is displayed is sealed in a space formed by the holder 24, the optical module 20, and the tube of the elastic seal 25.
  • the elastic sealing tube 25 can effectively prevent the influence of external impurities on the display effect, and at the same time, it does not limit the adjustment of the diopter.
  • the above circuit board of the display screen 23 can also be set relatively small, and the bracket 24 further includes a sealing plate (not shown) for completely accommodating the display screen 23 in the bracket 24. .
  • the elastic sealing tube 25 includes a first fixing member 26, a second fixing member 27, and a pipe elastic member 28.
  • the first fixing member 26 is substantially annular/track-like, and can be fixedly coupled to one end 28a of the pipe elastic member 28 by bonding or the like, and is used for connection to the bracket 24.
  • the manner of connecting to the bracket 24 may be to open a plurality of through holes 26a on the edge of the first fixing member 26, and at the same time, a plurality of protrusions 24b are disposed at corresponding positions of the bracket 24, such that the card passing through the through holes 26a and the protrusions 24a
  • the buckle can achieve the connection of the first fixing member 26 to the bracket 24.
  • the pipe elastic member 28 is also provided with a corresponding through hole 28c corresponding to the position of the through hole 26a.
  • the protrusion 24b of the bracket 24 is simultaneously inserted into the through holes 26a and 28c, thereby further preventing the first fixing member 26 from being further prevented.
  • the first fixing member 26 and the one end 28a of the pipe elastic member 28 do not need to be bonded, and are directly fixed to the bracket 24 by the above-mentioned snapping manner.
  • the second fixing member 27 is fixed to the lens module 10 and the other end 28b of the pipe elastic member 28 in the same manner as described above, and will not be described again.
  • the duct elastic member 28 may be made of a material having retractability such as rubber, which is preferably poor in light transmittance, and its surface is preferably provided with a plurality of pleats 28d perpendicular to the direction of expansion and contraction for facilitating shrinkage or stretching.
  • the pipe elastic member 28 is soft, the fixing member 26, 28 made of plastic is hardened by two kinds of fixing members 26 and 28, and the bracket 24 and the lens module are buckled. 10 connections, while improving the reliability of the connection, also facilitate assembly during assembly.
  • the entire elastic sealing tube 25 is formed as an integral part, and can be fastened to the bracket 24 and the lens module 10 during the mounting process.
  • the connection may be achieved by other means.
  • the ends 28a, 28b of the pipe elastic member 28 are directly bonded to the bracket 24 and the lens module 10 by adhesive bonding.
  • the pipe elastic member 28 may be passed through the fixing member 26 or 28 at one end, and the other end may be connected to the bracket 24 and the lens module 10 by other means, such as adhesive bonding.
  • first”, “second”, “third”, and “fourth” and the like used in the present invention are used to distinguish different objects, and are not intended to describe a specific order, quantity, or importance.
  • the words “a”, “an”, “the” The word “comprising” or “comprises” or the like means that the element or item that precedes the word is intended to encompass the element or item recited after the word and its equivalent, and does not exclude other element or item.
  • Connected” or connected terms are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
  • “Upper”, “lower”, “left”, “right”, etc. are only used to indicate the relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may also change accordingly.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

La présente invention concerne un module d'affichage (108), comprenant un module optique (20), un support (24), un écran d'affichage (23) et un tube d'étanchéité élastique (25). Le support (24) est relié de façon mobile au module optique (20) ; l'écran d'affichage (23) comprend un corps principal (23a) pour afficher une image et est fixé à un côté du support (24) opposé au module optique (20) ; le tube d'étanchéité élastique (25) est télescopique dans une direction de déplacement (Y) du support (24), et les deux extrémités du tube d'étanchéité élastique (25) sont respectivement reliées hermétiquement au support (24) et au module optique (20), de manière à sceller le corps principal (23a) de l'écran d'affichage (23) dans un espace formé par le support (24), le module optique (20) et le tube d'étanchéité élastique (25). Selon la solution technique, la fourniture du tube d'étanchéité élastique (25) empêche, lorsqu'un utilisateur règle le dioptre dans une plage admissible, les impuretés externes d'entrer dans le tube d'étanchéité élastique (25) afin d'influencer l'effet d'une image projetée sur les yeux de l'utilisateur.
PCT/CN2016/099104 2016-09-14 2016-09-14 Dispositif électronique monté sur la tête et son module d'affichage Ceased WO2018049621A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680036029.2A CN107820579A (zh) 2016-09-14 2016-09-14 头戴式电子设备及其显示模组
PCT/CN2016/099104 WO2018049621A1 (fr) 2016-09-14 2016-09-14 Dispositif électronique monté sur la tête et son module d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/099104 WO2018049621A1 (fr) 2016-09-14 2016-09-14 Dispositif électronique monté sur la tête et son module d'affichage

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Publication Number Publication Date
WO2018049621A1 true WO2018049621A1 (fr) 2018-03-22

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CN (1) CN107820579A (fr)
WO (1) WO2018049621A1 (fr)

Cited By (3)

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CN110572974A (zh) * 2019-09-18 2019-12-13 深圳市科伦特电子有限公司 防水结构及led显示屏
CN116437593A (zh) * 2022-06-14 2023-07-14 深圳市安卫普科技有限公司 一种干扰仪
CN116643404A (zh) * 2023-04-06 2023-08-25 歌尔股份有限公司 调节装置和头戴设备

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CN109856801A (zh) * 2019-04-15 2019-06-07 深圳纳德光学有限公司 一种头戴显示器及其防尘结构
CN110501815A (zh) * 2019-08-31 2019-11-26 歌尔科技有限公司 后焦距可调节式头戴显示设备
CN115166979B (zh) * 2022-07-20 2024-04-05 歌尔光学科技有限公司 一种瞳距调节机构以及头戴设备

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Publication number Priority date Publication date Assignee Title
CN110572974A (zh) * 2019-09-18 2019-12-13 深圳市科伦特电子有限公司 防水结构及led显示屏
CN110572974B (zh) * 2019-09-18 2024-05-10 深圳市科伦特电子有限公司 防水结构及led显示屏
CN116437593A (zh) * 2022-06-14 2023-07-14 深圳市安卫普科技有限公司 一种干扰仪
CN116643404A (zh) * 2023-04-06 2023-08-25 歌尔股份有限公司 调节装置和头戴设备

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