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WO2018145393A1 - Color wheel apparatus, a light source system, and a projection device - Google Patents

Color wheel apparatus, a light source system, and a projection device Download PDF

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Publication number
WO2018145393A1
WO2018145393A1 PCT/CN2017/090274 CN2017090274W WO2018145393A1 WO 2018145393 A1 WO2018145393 A1 WO 2018145393A1 CN 2017090274 W CN2017090274 W CN 2017090274W WO 2018145393 A1 WO2018145393 A1 WO 2018145393A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
reflector
light
conversion element
wavelength conversion
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/CN2017/090274
Other languages
French (fr)
Chinese (zh)
Inventor
戴达炎
杜鹏
李屹
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 Appotronics Corp Ltd
Original Assignee
Appotronics Corp 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 Appotronics Corp Ltd filed Critical Appotronics Corp Ltd
Publication of WO2018145393A1 publication Critical patent/WO2018145393A1/en
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
    • G02B27/48—Laser speckle optics
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Definitions

  • the utility model relates to the technical field of laser display, in particular to a color wheel device, a light source system and a projection device.
  • the projection equipment mainly uses a pure laser light source and a laser phosphor light source, and for the sake of cost, the pure laser light source and the laser phosphor light source basically adopt a blue laser with low cost and good photoelectric conversion efficiency as the excitation light.
  • the color wheel is irradiated on the color wheel by the blue laser during the rotation of the motor, and the excitation color wheel generates laser light of three primary colors, thereby generating mixed light having different timings.
  • the existing color wheel obtains a blue light spectrum by coating the scattering powder, and obtains a phosphor by coating the phosphor. Green spectrum and red spectrum. Due to the difference between the phosphor and the scattering powder material, the spot on the surface of the color wheel will diffuse to different extents, that is, the spot size on the phosphor is larger than the spot size on the surface of the scattering powder. The difference in spot size causes the center-to-edge chromatic aberration of the hybrid laser, and the spot of the mixed light is uneven.
  • the main purpose of the utility model is to propose a color wheel device, a light source system and a projection device, which can uniformly mix the scattered light and the laser to obtain a uniform spot.
  • a color wheel device includes a substrate, a reflector, a first diffusion sheet, and a driving motor, and the substrate is provided with a wavelength conversion element for generating a laser beam upon excitation light excitation; a reflector disposed on the substrate; the reflector for reflecting the excitation light; the first diffusion sheet being disposed on the substrate for scattering excitation light reflected by the reflector to obtain scattering Light, such that an angle of the scattered light matches an angle of the laser light; the drive motor is configured to drive the substrate and the wavelength conversion element to rotate coaxially.
  • the reflector is a specular reflector.
  • the substrate is provided with a color-correcting film for filtering the laser light emitted from the wavelength conversion element.
  • the reflector and the wavelength conversion element are circular or circular on the substrate, and the wavelength conversion element and the reflector are disposed at an axial position close to the substrate;
  • the color film and the first diffusion sheet are disposed at positions away from the axis of the substrate.
  • the reflector and the wavelength conversion element are arranged in a ring shape on the substrate, and the wavelength conversion element and the reflector are disposed at an axial position away from the substrate; the color correction film The sheet and the first diffusion sheet are disposed adjacent to an axial center of the substrate.
  • the reflector and the first diffusion sheet are disposed on the same side of the substrate.
  • the reflector and the first diffusion sheet are respectively disposed on opposite sides of the substrate.
  • a second diffusion sheet is disposed at a position of the reflector on an opposite side of the substrate.
  • the present invention further provides a light source system, the light source system comprising at least one light source and a color wheel device, the color wheel device comprising a substrate, a reflector and a first diffusion sheet, wherein the light source emits excitation light, a wavelength conversion element that emits excitation light to the color wheel device generates a laser beam; the substrate is provided with a wavelength conversion element for generating a laser light upon excitation of the excitation light; the reflector is disposed on the substrate; the reflection The body is configured to reflect the excitation light; the first diffusion sheet is disposed on the substrate, and is used for scattering excitation light reflected by the reflector to obtain scattered light, so that the angle of the scattered light is Said to be matched by the angle of the laser.
  • the utility model also provides a projection device, comprising a color wheel device, the color wheel device comprising a substrate, a reflector, a first diffusion sheet and a driving motor, wherein the substrate is provided with a laser for generating excitation light when the excitation light is excited. a wavelength conversion element; the reflector is disposed on the substrate; the reflector is configured to reflect the excitation light; the first diffusion sheet is disposed on the substrate for excitation of the reflection of the reflector The light is scattered to obtain scattered light such that the angle of the scattered light matches the angle of the laser light; the drive motor is for driving the substrate and the wavelength conversion element to rotate coaxially.
  • a projection device comprising a color wheel device, the color wheel device comprising a substrate, a reflector, a first diffusion sheet and a driving motor, wherein the substrate is provided with a laser for generating excitation light when the excitation light is excited. a wavelength conversion element; the reflector is disposed on the substrate; the reflector is configured to reflect the excitation light; the first diffusion
  • the color wheel device of the present invention is provided with a wavelength conversion element and a reflector on a substrate of the color wheel, the wavelength conversion element is for receiving the excitation light to generate the laser light, the reflector is for reflecting the excitation light, and the reflector for reflecting the excitation light is provided.
  • the excitation light can be directly reflected and used.
  • a driving motor to drive the substrate, the reflector, the first diffusion sheet, and the wavelength conversion element are coaxially rotated, so that the mixed light of different timings has a uniform spot.
  • FIG. 1 is a schematic structural view of a first embodiment of a color wheel device of the present invention
  • Figure 2 is a front elevational view of the substrate of Figure 1;
  • FIG. 3 is a schematic structural view of a second embodiment of the color wheel device of the present invention.
  • Figure 4 is a schematic structural view of a third embodiment of the color wheel device of the present invention.
  • Figure 5 is a schematic structural view of a fourth embodiment of the color wheel device of the present invention.
  • Figure 6 is a schematic structural view of a fifth embodiment of the color wheel device of the present invention.
  • Figure 7 is a schematic structural view of a sixth embodiment of the color wheel device of the present invention.
  • Figure 8 is a schematic structural view of a seventh embodiment of the color wheel device of the present invention.
  • Figure 9 is a schematic structural view of an eighth embodiment of the color wheel device of the present invention.
  • Figure 10 is a schematic view showing the structure of a ninth embodiment of the color wheel device of the present invention.
  • Second diffuser Label name 11, 12, 13, 14, 15, 15, 16, 17, 18, 19 Substrate 21, 22, 23, 24, 25, 26, 27, 28, 29 First diffuser 31, 32, 33, 34, 35, 36, 37, 38, 39 Wavelength conversion element 41, 42, 43, 44, 45, 46, 47, 48, 49 Reflector 51, 52, 53, 54, 55, 56, 57, 58, 59 Drive motor 61, 62, 63, 64, 65, 66, 67, 68, 69 Color correction diaphragm 71, 72, 73, 74, 75, 76, 77, 78, 79 Mirror group 89 Second diffuser
  • the directional indication is only used to explain in a certain posture (such as the drawing)
  • a certain posture such as the drawing
  • first”, “second”, etc. in the embodiments of the present invention, the description of “first”, “second”, etc. is used for the purpose of description only, and is not to be understood as an indication or Implied its relative importance or implicitly indicates the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the utility model provides a color wheel device.
  • the color wheel device includes a substrate 11, a reflector 41, a first diffusion sheet 21, and a driving motor 51.
  • the substrate 11 is provided with a wavelength conversion element 31 for generating a laser beam upon excitation light excitation; the reflector 41 is disposed on the substrate 11.
  • the reflector 41 is for reflecting the excitation light; the first diffusion sheet 21 is disposed on the substrate 11 for scattering the excitation light reflected by the reflector 41 to obtain the scattered light so that the angle of the scattered light matches the angle of the laser light.
  • a uniform mixed spot is generated, and the drive motor 51 is used to drive the substrate 11 and the wavelength conversion element 31 to rotate coaxially, thereby generating mixed spots having different timings.
  • the color wheel device includes a circular substrate 11 on which a wavelength conversion element 31 and a reflector 41 are disposed, and the wavelength conversion element 31 is used.
  • the received excitation light is generated by the laser light, and the reflector 41 is used to reflect the excitation light.
  • the substrate 11 is provided with a wavelength conversion element 31 for exciting red, green, and blue colors different from the color of the excitation light when receiving a monochromatic laser, and the wavelength conversion element 31 can be coated with a phosphor or fluorescent.
  • the part or the like excites the laser light of two colors of the three primary colors of red, green and blue, and the color of the received laser light is different from the color of the monochromatic laser light source.
  • the wavelength conversion element 31 When the monochromatic laser light is a blue laser light, the wavelength conversion element 31 has a red and green fluorescent portion, and the laser light is red and green.
  • the reflector 41 that reflects the excitation light is provided to directly reflect the excitation light and then use the laser of the color.
  • the collimation of the laser is good, and the spot is small relative to the scattering angle of the Langer distribution of the laser of the other two colors.
  • the first diffusion sheet 21 is disposed on the substrate 11 at a position corresponding to the reflected laser light, and the first diffusion sheet 21 diffuses the scattering angle of the reflected laser light. It is necessary to clarify the position of the first diffusion sheet 21.
  • the first diffusion sheet 21 and the reflector 41 may be disposed on the front side and/or the opposite side of the substrate 11 for scattering the laser light reflected by the reflector 41, thereby increasing the scattering angle of the reflected laser light so that the angle of the scattered light is
  • the matching described here means that the reflected laser light and the laser beam are transmitted through the color wheel to obtain a closer spot size, thereby generating a uniform mixed spot.
  • the reflector 41 is a specular reflector, and the specular reflector can be totally reflected or provided with a specular reflection film.
  • the excitation light source can be reflected and utilized by providing a specular reflection film, thereby obtaining laser light having a wavelength equal to that of the excitation light, and improving the light efficiency utilization.
  • the substrate 11 is provided with a color correction film 61 for filtering the laser light excited by the wavelength conversion element 31.
  • the trimming film 61 may be disposed in various manners, such as being disposed at a corresponding position in the radial direction of the substrate 11 according to the optical path, or disposed at a position close to the axis of the substrate 11, or may be disposed on the front and back sides of the substrate 11 or It is set on both sides of the front and back, and is used to filter the wavelength of the laser to obtain the ideal visible light spectrum.
  • the reflector 41 and the wavelength conversion element 31 are arranged in a circular or circular shape on the substrate 11 , and the wavelength conversion element 31 and the reflector 41 are disposed adjacent to the substrate 11 .
  • the position of the axial center; the laser light generated by the wavelength conversion element 31 and the reflected light passing through the reflector 41 are guided by the mirror group 71 to the position of the substrate 11 away from the axis thereof.
  • the color correction film 61 and the first diffusion sheet 21 are disposed at positions away from the axial center of the substrate 11, and the color correction film 61 filters the laser light generated by the wavelength conversion element 31, and the reflection of the first diffusion sheet 21 against the reflector 40 Light is scattered.
  • the filtered laser light and the scattered reflected light are synthesized into a time-continuous mixed light at a position away from the axis of the substrate 11 to obtain a uniform spot.
  • the wavelength conversion element 31 and the reflector 41 are disposed close to the axial center of the substrate 11, and the color correction film 61 and the first diffusion sheet 21 are disposed at positions away from the axial center of the substrate 11.
  • the reflector 41 and the first diffusion sheet 21 are disposed on the same side of the substrate 11, and the reflector 41 and the first diffusion sheet 21 are disposed on the side of the substrate 11 away from the driving motor 51.
  • the light effect loss of the excitation light passing through the substrate 11 can be reduced, and the color correction film 61 and the wavelength conversion element 31 can be arranged in various manners, for example, the color correction film 61 and the wavelength conversion element 31 are located on the substrate 11 away from the driving motor.
  • the color correction film 61 and the wavelength conversion element 31 are located on the side of the substrate 11 close to the drive motor 51; or, one of the color correction film 61 and the wavelength conversion element 31 is located on the substrate 11 away from the drive motor One side of the 51 and the other side of the substrate 11 are located close to the drive motor 51.
  • the color correction film 61 and the wavelength conversion element 31 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the wavelength conversion element 32 and the reflector 42 are disposed near the axial center of the substrate 12, and the color correction film 62 and the first diffusion sheet 22 are disposed away from the axial center of the substrate 12.
  • the wavelength conversion element 32 is disposed on the same side of the driving motor, and a surface of the wavelength conversion element 32 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 32. Then, the mirror group 72 is guided to the substrate 12 and away from the axis thereof, and finally the reflected laser light can be filtered by the color correction film 62.
  • the wavelength conversion element 32 may be disposed on a side opposite to the driving motor, that is, a side facing the light source, wherein the reflector 42 and the first diffusion sheet 22 are disposed on the same side of the substrate 12, and the reflector 42 and the first diffusion sheet 22 are disposed on the side of the substrate 12 close to the driving motor 52, and the color correction film 62 and the wavelength conversion element 32 can be arranged in various manners, for example, the color correction film 62 and the wavelength conversion element 32 are located.
  • the substrate 12 is remote from the side of the drive motor 52; alternatively, the color correction film 62 and the wavelength conversion element 32 are located on the side of the substrate 12 adjacent to the drive motor 52; or, one of the color correction film 62 and the wavelength conversion element 32 is located
  • the substrate 12 is away from the side of the driving motor 52, and the other is located on the side of the substrate 12 close to the driving motor 52.
  • the color correction film 62 and the wavelength conversion element 32 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has A uniform spot.
  • the wavelength conversion element 33 and the reflector 43 are disposed close to the axial center of the substrate 13, and the color correction film 63 and the first diffusion sheet 23 are disposed at positions away from the axial center of the substrate 13.
  • the wavelength conversion element 33 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 33 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 33. Then, the mirror group 73 is guided to the substrate 13 and away from the axial center thereof, and finally the reflected laser light can be filtered through the color correction film 63.
  • the wavelength converting element 33 can be disposed on the side opposite the drive motor, ie on the side facing the light source.
  • the reflector 43 and the first diffusion sheet 23 are disposed on opposite sides of the substrate 13, the reflector 43 is disposed on a side of the substrate 13 away from the driving motor 53, and the first diffusion sheet 23 is disposed on a side of the substrate 13 adjacent to the driving motor 53.
  • the light effect loss when the excitation light passes through the substrate 13 can be partially reduced.
  • the color correction film 63 and the wavelength conversion element 33 can be disposed in various manners, for example, the color correction film 63 and the wavelength conversion element 33 are located on the substrate 13 away from the driving.
  • One side of the motor 53; or, the color correction film 63 and the wavelength conversion element 33 are located on the side of the substrate 13 close to the drive motor 53; or, one of the color correction film 63 and the wavelength conversion element 33 is located on the substrate 13 away from the drive One side of the motor 53 and the other side are located on the side of the substrate 13 close to the drive motor 53, and the color correction film 63 and the wavelength conversion element 33 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the wavelength conversion element 34 and the reflector 44 are disposed near the axial center of the substrate 14, and the color correction film 64 and the first diffusion sheet 24 are disposed away from the axial center of the substrate 14.
  • the wavelength conversion element 34 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 34 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 34.
  • the mirror group 74 is guided to the substrate 14 and away from the axis thereof, and finally the reflected laser light can be filtered through the color correction film 64.
  • the wavelength converting element 34 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the reflector 44 and the first diffusion sheet 24 are disposed on opposite sides of the substrate 14, the reflector 44 is disposed on a side of the substrate 14 adjacent to the driving motor 54, and the first diffusion sheet 24 is disposed on a side of the substrate 14 away from the driving motor 54.
  • the color correction film 64 and the wavelength conversion element 34 can be arranged in various manners, for example, the color correction film 64 and the wavelength conversion element 34 are located on the side of the substrate 14 away from the driving motor 54; or, the color correction film 64 and The wavelength conversion element 34 is located on the side of the substrate 14 adjacent to the drive motor 54; or one of the color correction film 64 and the wavelength conversion element 34 is located on the side of the substrate 14 remote from the drive motor 54, and the other is located on the substrate 14 near the drive motor On one side of the 54 side, the color correction film 64 and the wavelength conversion element 34 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the reflector 45 and the wavelength conversion element 35 are arranged in a circular shape on the substrate 15, and the wavelength conversion element 35 and the reflector 45 are disposed at an axis away from the substrate 15. Position; the laser light generated by the wavelength conversion element 35 and the reflected light passing through the reflector 45 are guided by the mirror group 75 to a position where the substrate 15 is away from its axis.
  • the wavelength conversion element 35 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 35 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 35.
  • the mirror group 75 is guided to the substrate 15 and away from the axis thereof, and finally the reflected laser light can be filtered by the color correction film 65.
  • the wavelength converting element 35 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the color correction film 65 and the first diffusion sheet 25 are disposed at positions away from the axial center of the substrate 15, and the color correction film 65 filters the laser light generated by the wavelength conversion element 35, and the reflection of the first diffusion sheet 25 on the reflector 45 is performed.
  • Light is scattered.
  • the filtered laser light and the scattered reflected light are synthesized into a time-continuous mixed light at a position away from the axis of the substrate 15 to obtain a uniform spot.
  • the wavelength conversion element 35 and the reflector 45 are disposed at positions away from the axis of the substrate 15, and the color correction film 65 and the first diffusion sheet 25 are disposed close to the axial center of the substrate 15.
  • the reflector 45 and the first diffusion sheet 25 are disposed on the same side of the substrate 15, and the reflector 45 and the first diffusion sheet 25 are disposed on the side of the substrate 15 away from the driving motor 55.
  • the light effect loss when the excitation light passes through the substrate 15 can be reduced, and the color correction film 65 and the wavelength conversion element 35 can be arranged in various manners, for example, the color correction film 65 and the wavelength conversion element 35 are located on the substrate 15 away from the driving motor.
  • One side of 55; or, the color correction film 65 and the wavelength conversion element 35 are located on the side of the substrate 15 close to the drive motor 55; or, one of the color correction film 65 and the wavelength conversion element 35 is located on the substrate 15 away from the drive motor
  • One side of the 55 is located on the side of the substrate 15 close to the drive motor 55, and the color correction film 65 and the wavelength conversion element 35 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the wavelength conversion element 36 and the reflector 46 are disposed at positions away from the axis of the substrate 16, and the color correction film 66 and the first diffusion sheet 26 are disposed near the axial center of the substrate 16.
  • the wavelength conversion element 36 is disposed on the same side of the driving motor, and the surface of the wavelength conversion element 36 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 36.
  • the mirror group 76 is then guided to the substrate 16 and close to its axis, and finally the reflected laser light can be filtered through the color correction film 66.
  • the wavelength converting element 36 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the reflector 46 and the first diffusion sheet 26 are disposed on the same side of the substrate 16, and the reflector 46 and the first diffusion sheet 26 are disposed on the side of the substrate 16 near the drive motor 56.
  • the color correction film 66 and the wavelength conversion element 36 can be arranged in various manners, for example, the color correction film 66 and the wavelength conversion element 36 are located on the side of the substrate 16 away from the driving motor 56; or, the color correction film 66 and The wavelength conversion element 36 is located on the side of the substrate 16 adjacent to the drive motor 56; alternatively, one of the color correction film 66 and the wavelength conversion element 36 is located on the side of the substrate 16 remote from the drive motor 56, and the other is located on the substrate 16 near the drive motor On one side of the 56, the color correction film 66 and the wavelength conversion element 36 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the wavelength conversion element 37 and the reflector 47 are disposed at positions away from the axis of the substrate 17, and the color correction film 67 and the first diffusion sheet 27 are disposed close to the axial center of the substrate 17.
  • the wavelength conversion element 37 is disposed on the same side of the driving motor, and a surface of the wavelength conversion element 37 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 37. Then, the mirror group 77 is guided to the substrate 17 and is close to the position of its axis, and finally the reflected laser light can be filtered by the color correction film 67.
  • the wavelength converting element 37 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the reflector 47 and the first diffusion sheet 27 are disposed on the opposite side of the substrate 17, and the reflector 47 is disposed on the side of the substrate 17 away from the drive motor 57, the first diffusion sheet 27
  • the side of the substrate 17 adjacent to the driving motor 57 can partially reduce the loss of light effect when the excitation light passes through the substrate 17.
  • the coloring film 67 and the wavelength conversion element 37 can be arranged in various ways, such as a color-changing film.
  • the color correction film 67 and the wavelength conversion element 37 are located on the side of the substrate 17 away from the drive motor 57; or, the color correction film 67 and the wavelength conversion element 37 are located on the side of the substrate 17 close to the drive motor 57; or, the color correction film 67 and the wavelength conversion One of the elements 37 is located on the side of the substrate 17 away from the drive motor 57, and the other is located on the side of the substrate 17 close to the drive motor 57.
  • the color correction film 67 and the wavelength conversion element 37 can be approximated by the above various arrangement methods. The effect is to make the mixed light have a uniform spot.
  • the wavelength conversion element 38 and the reflector 48 are disposed at positions away from the axis of the substrate 18, and the color correction film 68 and the first diffusion sheet 28 are disposed close to the axial center of the substrate 18.
  • the wavelength conversion element 38 is disposed on the same side of the driving motor, and the surface of the wavelength conversion element 38 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 38.
  • the mirror group 78 is then guided to the substrate 18 and close to its axis, and finally the reflected laser light can be filtered through the color correction film 68.
  • the wavelength converting element 38 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the reflector 48 and the first diffusion sheet 28 are disposed on the opposite side of the substrate 18, and the reflector 48 is disposed on the side of the substrate 18 near the drive motor 58, the first diffusion sheet 28
  • the trimming film 68 and the wavelength converting element 38 may be disposed on the side of the substrate 18 away from the driving motor 58, such as the trimming film 68 and the wavelength converting element 38 being located on the substrate 18 away from the driving motor 58.
  • the color modifying film 68 and the wavelength converting element 38 are located on the side of the substrate 18 adjacent to the driving motor 58; or one of the color modifying film 68 and the wavelength converting element 38 is located on the substrate 18 away from the driving motor 58.
  • the color correction film 68 and the wavelength conversion element 38 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the second diffuser 89 is disposed at a position of the reflector 49 region.
  • the reflected light of the reflected body 49 can be scattered by the second diffusion sheet 89, thereby further increasing the scattering angle of the reflected light by the reflector 49.
  • the color correction film 69 and the wavelength conversion element 39 may be arranged in various manners, such as: the color correction film 69 and the wavelength conversion element 39 are located on the side of the substrate 19 away from the driving motor 59; or, the color correction film 69 and the wavelength The conversion element 39 is located on the side of the substrate 19 near the drive motor 59; alternatively, one of the color correction film 69 and the wavelength conversion element 39 is located on the side of the substrate 19 away from the drive motor 59, and the other is located on the substrate 19 near the drive motor 59. On one side, the color correction film 69 and the wavelength conversion element 39 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.
  • the wavelength conversion element 39 is disposed on the same side as the driving motor, and the surface of the wavelength conversion element 39 may be provided with a reflective film, which may inject the excitation light emitted by the light source into the laser light reflection generated by the wavelength conversion element 39. Then, the mirror group 79 is guided to the substrate 19 and close to the position of its axis, and finally the reflected laser light can be filtered by the color correction film 69.
  • the wavelength converting element 39 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.
  • the light source system further includes at least one light source and a color wheel device.
  • the light source may be a laser light source.
  • the color wheel device comprises a substrate, a reflector and a first diffusion sheet, wherein the light source emits excitation light.
  • the wavelength conversion element in which the excitation light is incident on the color wheel device generates a laser beam;
  • the substrate is provided with a wavelength conversion element for generating a laser light upon excitation of the excitation light;
  • the reflector is disposed on the substrate for reflecting the excitation light; the first diffusion sheet
  • the substrate is disposed at a position corresponding to the reflected light for scattering the reflected light of the reflector.
  • This arrangement increases the scattering angle of the reflected light such that the angle of the scattered light matches the angle of the laser, resulting in a uniform mixed spot.
  • the utility model also provides a projection device, which comprises the foregoing color wheel device. It should be noted that since the projection device of the present invention adopts all the technical solutions of all the embodiments of the color wheel device, the projection of the utility model The device has all the beneficial effects brought about by the technical solution of the embodiment of the color wheel device, and details are not described herein again.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

A color wheel apparatus, a light source system, and a projection device. The color wheel apparatus comprises a substrate (11), a reflector (41), a first diffuser (21), and a drive motor (51). Provided on the substrate (11) is a wavelength conversion element (31) used for generating an excited light when excited by an exciting light. The reflector (41) is provided on the substrate (11). The reflector (41) is used for reflecting the exciting light. The first diffuser (21) is provided on the substrate (11) and used for diffusing the exciting light reflected by the reflector (41) to acquire a diffused light, thus allowing the angle of the diffused light to match the angle of the excited light. The drive motor (51) is used for driving the substrate (11) and the wavelength conversion element (31) to rotate coaxially. The color wheel apparatus, the light source system, and the projection device allows the diffused light and the excited light to blend uniformly, thus acquiring a uniform light spot.

Description

色轮装置、光源系统及投影设备  Color wheel device, light source system and projection device 技术领域Technical field

本实用新型涉及激光显示技术领域，特别涉及一种色轮装置、光源系统及投影设备。 The utility model relates to the technical field of laser display, in particular to a color wheel device, a light source system and a projection device.

背景技术Background technique

目前，投影设备主要采用纯激光光源和激光荧光粉光源，且出于成本考虑，纯激光光源和激光荧光粉光源基本都是采用成本较低、光电转换效率较好的蓝激光作为激发光。色轮在受马达驱动转动的过程中，通过蓝激光照射在色轮上，激发色轮产生三基色的受激光，以此产生具有不同时序的混合光。At present, the projection equipment mainly uses a pure laser light source and a laser phosphor light source, and for the sake of cost, the pure laser light source and the laser phosphor light source basically adopt a blue laser with low cost and good photoelectric conversion efficiency as the excitation light. The color wheel is irradiated on the color wheel by the blue laser during the rotation of the motor, and the excitation color wheel generates laser light of three primary colors, thereby generating mixed light having different timings.

技术问题technical problem

在该三基色的受激光的构成中，由于蓝激光的单色性好，为了能够获得与蓝激光等波长的蓝光光谱，现有色轮通过涂设散射粉获得蓝光光谱，通过涂设荧光粉获得绿色光谱及红色光谱。由于荧光粉与散射粉材料的差异，在色轮表面的光斑会发生不同程度的扩散，即荧光粉上的光斑尺寸大于散射粉表面的光斑尺寸。光斑尺寸差异会导致混合激光出现中心与边缘色差的现象，混合光的光斑不均匀。In the composition of the laser light of the three primary colors, since the monochromaticity of the blue laser is good, in order to obtain a blue light spectrum with a wavelength such as a blue laser, the existing color wheel obtains a blue light spectrum by coating the scattering powder, and obtains a phosphor by coating the phosphor. Green spectrum and red spectrum. Due to the difference between the phosphor and the scattering powder material, the spot on the surface of the color wheel will diffuse to different extents, that is, the spot size on the phosphor is larger than the spot size on the surface of the scattering powder. The difference in spot size causes the center-to-edge chromatic aberration of the hybrid laser, and the spot of the mixed light is uneven.

技术解决方案Technical solution

本实用新型的主要目的是提出一种色轮装置、光源系统及投影设备，可以使散射光与受激光均匀混合，以获得均匀的光斑。The main purpose of the utility model is to propose a color wheel device, a light source system and a projection device, which can uniformly mix the scattered light and the laser to obtain a uniform spot.

为实现上述目的，本实用新型提出的色轮装置，包括基板、反射体、第一扩散片及驱动马达，所述基板上设有用于在激发光激发时产生受激光的波长转换元件；所述反射体设置在所述基板上；所述反射体用于反射所述激发光；所述第一扩散片设置在所述基板上，用于对所述反射体反射的激发光进行散射以获取散射光,以使所述散射光的角度与所述受激光的角度匹配;所述驱动马达用于驱动所述基板及所述波长转换元件同轴转动。In order to achieve the above object, a color wheel device according to the present invention includes a substrate, a reflector, a first diffusion sheet, and a driving motor, and the substrate is provided with a wavelength conversion element for generating a laser beam upon excitation light excitation; a reflector disposed on the substrate; the reflector for reflecting the excitation light; the first diffusion sheet being disposed on the substrate for scattering excitation light reflected by the reflector to obtain scattering Light, such that an angle of the scattered light matches an angle of the laser light; the drive motor is configured to drive the substrate and the wavelength conversion element to rotate coaxially.

优选地，所述反射体为镜面反射体。Preferably, the reflector is a specular reflector.

优选地，所述基板上设有用于对所述波长转换元件出射的受激光进行滤光的修色膜片。Preferably, the substrate is provided with a color-correcting film for filtering the laser light emitted from the wavelength conversion element.

优选地，所述反射体与所述波长转换元件在所述基板上呈圆形或者圆环形，所述波长转换元件与所述反射体设置在靠近所述基板的轴心位置；所述修色膜片及所述第一扩散片设置在远离所述基板的轴心位置。Preferably, the reflector and the wavelength conversion element are circular or circular on the substrate, and the wavelength conversion element and the reflector are disposed at an axial position close to the substrate; The color film and the first diffusion sheet are disposed at positions away from the axis of the substrate.

优选地，所述反射体与所述波长转换元件在所述基板上呈圆环形设置，所述波长转换元件与所述反射体设置在远离所述基板的轴心位置；所述修色膜片及所述第一扩散片设置在靠近所述基板的轴心位置。Preferably, the reflector and the wavelength conversion element are arranged in a ring shape on the substrate, and the wavelength conversion element and the reflector are disposed at an axial position away from the substrate; the color correction film The sheet and the first diffusion sheet are disposed adjacent to an axial center of the substrate.

优选地，所述反射体与所述第一扩散片设置在所述基板的同一侧。Preferably, the reflector and the first diffusion sheet are disposed on the same side of the substrate.

优选地，所述反射体与所述第一扩散片分别设置在基板的相对侧。Preferably, the reflector and the first diffusion sheet are respectively disposed on opposite sides of the substrate.

优选地，所述反射体与所述第一扩散片在靠近所述驱动马达的相同侧时，反射体关于所述基板相对侧的位置设有第二扩散片。Preferably, when the reflector and the first diffusion sheet are on the same side of the driving motor, a second diffusion sheet is disposed at a position of the reflector on an opposite side of the substrate.

有益效果Beneficial effect

本实用新型还提出一种光源系统，所述光源系统包括至少一光源及色轮装置，所述色轮装置包括基板、反射体及第一扩散片，其中，所述光源出射激发光，所述激发光入射至所述色轮装置的波长转换元件产生受激光；所述基板设有用于在激发光激发时产生受激光的波长转换元件；所述反射体设置在所述基板上；所述反射体用于反射所述激发光；所述第一扩散片设置在所述基板上，用于对所述反射体反射的激发光进行散射以获取散射光，以使所述散射光的角度与所述受激光的角度匹配。The present invention further provides a light source system, the light source system comprising at least one light source and a color wheel device, the color wheel device comprising a substrate, a reflector and a first diffusion sheet, wherein the light source emits excitation light, a wavelength conversion element that emits excitation light to the color wheel device generates a laser beam; the substrate is provided with a wavelength conversion element for generating a laser light upon excitation of the excitation light; the reflector is disposed on the substrate; the reflection The body is configured to reflect the excitation light; the first diffusion sheet is disposed on the substrate, and is used for scattering excitation light reflected by the reflector to obtain scattered light, so that the angle of the scattered light is Said to be matched by the angle of the laser.

本实用新型还提出一种投影设备，包括色轮装置，所述色轮装置包括基板、反射体、第一扩散片及驱动马达，所述基板上设有用于在激发光激发时产生受激光的波长转换元件；所述反射体设置在所述基板上；所述反射体用于反射所述激发光；所述第一扩散片设置在所述基板上，用于对所述反射体反射的激发光进行散射以获取散射光,以使所述散射光的角度与所述受激光的角度匹配;所述驱动马达用于驱动所述基板及所述波长转换元件同轴转动。The utility model also provides a projection device, comprising a color wheel device, the color wheel device comprising a substrate, a reflector, a first diffusion sheet and a driving motor, wherein the substrate is provided with a laser for generating excitation light when the excitation light is excited. a wavelength conversion element; the reflector is disposed on the substrate; the reflector is configured to reflect the excitation light; the first diffusion sheet is disposed on the substrate for excitation of the reflection of the reflector The light is scattered to obtain scattered light such that the angle of the scattered light matches the angle of the laser light; the drive motor is for driving the substrate and the wavelength conversion element to rotate coaxially.

本实用新型的色轮装置通过在色轮的基板上设置波长转换元件及反射体，波长转换元件用于接收激发光产生受激光，反射体用于反射激发光，通过设置反射激发光的反射体，可以对激发光进行直接反射后利用。在基板上设置第一扩散片，用于对反射体的反射光进行散射，从而增大反射光的散射角，以使散射光的角度与受激光的角度匹配，从而可以获得较接近的光斑尺寸，产生均匀的混合光斑。通过设置驱动马达驱动基板使反射体、第一扩散片及波长转换元件同轴转动，使不同时序的混合光具有均匀的光斑。The color wheel device of the present invention is provided with a wavelength conversion element and a reflector on a substrate of the color wheel, the wavelength conversion element is for receiving the excitation light to generate the laser light, the reflector is for reflecting the excitation light, and the reflector for reflecting the excitation light is provided. The excitation light can be directly reflected and used. Providing a first diffusion sheet on the substrate for scattering the reflected light of the reflector, thereby increasing the scattering angle of the reflected light, so that the angle of the scattered light is matched with the angle of the laser, so that a closer spot size can be obtained. , producing a uniform mixed spot. By providing a driving motor to drive the substrate, the reflector, the first diffusion sheet, and the wavelength conversion element are coaxially rotated, so that the mixed light of different timings has a uniform spot.

附图说明DRAWINGS

为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description It is merely some embodiments of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

图1为本实用新型色轮装置第一实施例的结构示意图；1 is a schematic structural view of a first embodiment of a color wheel device of the present invention;

图2为图1中基板的正视图；Figure 2 is a front elevational view of the substrate of Figure 1;

图3为本实用新型色轮装置第二实施例的结构示意图；3 is a schematic structural view of a second embodiment of the color wheel device of the present invention;

图4为本实用新型色轮装置第三实施例的结构示意图；Figure 4 is a schematic structural view of a third embodiment of the color wheel device of the present invention;

图5为本实用新型色轮装置第四实施例的结构示意图；Figure 5 is a schematic structural view of a fourth embodiment of the color wheel device of the present invention;

图6为本实用新型色轮装置第五实施例的结构示意图；Figure 6 is a schematic structural view of a fifth embodiment of the color wheel device of the present invention;

图7为本实用新型色轮装置第六实施例的结构示意图；Figure 7 is a schematic structural view of a sixth embodiment of the color wheel device of the present invention;

图8为本实用新型色轮装置第七实施例的结构示意图；Figure 8 is a schematic structural view of a seventh embodiment of the color wheel device of the present invention;

图9为本实用新型色轮装置第八实施例的结构示意图；Figure 9 is a schematic structural view of an eighth embodiment of the color wheel device of the present invention;

图10为本实用新型色轮装置第九实施例的结构示意图。Figure 10 is a schematic view showing the structure of a ninth embodiment of the color wheel device of the present invention.

附图标号说明：Description of the reference numerals:

标号 Label 名称 name 11 、 12 、 13 、 14 、 15 、 16 、 17 、 18 、 19 11, 12, 13, 14, 15, 15, 16, 17, 18, 19 基板 Substrate 21 、 22 、 23 、 24 、 25 、 26 、 27 、 28 、 29 21, 22, 23, 24, 25, 26, 27, 28, 29 第一扩散片 First diffuser 31 、 32 、 33 、 34 、 35 、 36 、 37 、 38 、 39 31, 32, 33, 34, 35, 36, 37, 38, 39 波长转换元件 Wavelength conversion element 41 、 42 、 43 、 44 、 45 、 46 、 47 、 48 、 49 41, 42, 43, 44, 45, 46, 47, 48, 49 反射体 Reflector 51 、 52 、 53 、 54 、 55 、 56 、 57 、 58 、 59 51, 52, 53, 54, 55, 56, 57, 58, 59 驱动马达 Drive motor 61 、 62 、 63 、 64 、 65 、 66 、 67 、 68 、 69 61, 62, 63, 64, 65, 66, 67, 68, 69 修色膜片 Color correction diaphragm 71 、 72 、 73 、 74 、 75 、 76 、 77 、 78 、 79 71, 72, 73, 74, 75, 76, 77, 78, 79 反射镜组 Mirror group 89 89 第二扩散片 Second diffuser

本实用新型目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION

下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of them. Example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

需要说明，若本实用新型实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。It should be noted that if there is a directional indication (such as up, down, left, right, front, back, ...) in the embodiment of the present invention, the directional indication is only used to explain in a certain posture (such as the drawing) The relative positional relationship between the components below, the motion situation, etc., if the specific posture changes, the directional indication also changes accordingly.

另外，若本实用新型实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本实用新型要求的保护范围之内。In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is used for the purpose of description only, and is not to be understood as an indication or Implied its relative importance or implicitly indicates the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.

本实用新型提出一种色轮装置。The utility model provides a color wheel device.

在本实用新型第一实施例中，参照图1至图2所示，图中带箭头的实线指示的是面、腔、孔等平面或空间。该色轮装置包括基板11、反射体41、第一扩散片21及驱动马达51，基板11上设有用于在激发光激发时产生受激光的波长转换元件31；反射体41设置在基板11上；反射体41用于反射激发光；第一扩散片21设置在基板11上，用于对反射体41反射的激发光进行散射以获取散射光,以使散射光的角度与受激光的角度匹配;产生均匀的混合光斑，驱动马达51用于驱动基板11及波长转换元件31同轴转动，产生具有不同时序的混合光斑。In the first embodiment of the present invention, referring to FIGS. 1 to 2, the solid line with an arrow in the figure indicates a plane or a space such as a face, a cavity, a hole, or the like. The color wheel device includes a substrate 11, a reflector 41, a first diffusion sheet 21, and a driving motor 51. The substrate 11 is provided with a wavelength conversion element 31 for generating a laser beam upon excitation light excitation; the reflector 41 is disposed on the substrate 11. The reflector 41 is for reflecting the excitation light; the first diffusion sheet 21 is disposed on the substrate 11 for scattering the excitation light reflected by the reflector 41 to obtain the scattered light so that the angle of the scattered light matches the angle of the laser light. A uniform mixed spot is generated, and the drive motor 51 is used to drive the substrate 11 and the wavelength conversion element 31 to rotate coaxially, thereby generating mixed spots having different timings.

具体地，参照图1所示，在本实用新型第一实施例中，色轮装置包括圆形的基板11，该基板11上设有波长转换元件31及反射体41，波长转换元件31用于接收激发光产生受激光，反射体41用于反射激发光。例如：该基板11上设有用于在接收单色激光时激发出红、绿、蓝中与该激发光颜色不同两色的波长转换元件31，波长转换元件31可以通过涂布荧光粉或设置荧光部等激发出红、绿、蓝三基色中两种颜色的受激光，该受激光的颜色与单色激光光源的颜色不同。单色激光为蓝色激光时，波长转换元件31具有红、绿色的荧光部，受激光为红、绿色的受激光。通过设置反射激发光的反射体41，用于对激发光进行直接反射后利用该颜色的激光。激光的准直性较好，相对于另外两种颜色的受激光的郎伯分布的散射角而言，光斑较小。本实施例中，通过在基板11上对应该反射激光的位置设置第一扩散片21，该第一扩散片21对反射激光的散射角进行扩散，需要阐明的是，第一扩散片21的位置可以根据光路而设置在基板11径向的对应位置上，如设置在靠近基板11轴心的位置，也可以是设置在远离基板轴心的位置。第一扩散片21与反射体41可以设置在基板11的正侧和/或反侧，用于对反射体41反射的激光进行散射，从而增大反射激光的散射角，以使散射光的角度与受激光的角度匹配，此处所述的匹配是指：反射激光和受激光透过色轮后获得较接近的光斑尺寸，从而产生均匀的混合光斑。通过设置驱动马达51驱动基板11使反射体41、第一扩散片21及波长转换元件31同轴转动，使不同时序的混合光具有均匀的光斑。Specifically, referring to FIG. 1 , in the first embodiment of the present invention, the color wheel device includes a circular substrate 11 on which a wavelength conversion element 31 and a reflector 41 are disposed, and the wavelength conversion element 31 is used. The received excitation light is generated by the laser light, and the reflector 41 is used to reflect the excitation light. For example, the substrate 11 is provided with a wavelength conversion element 31 for exciting red, green, and blue colors different from the color of the excitation light when receiving a monochromatic laser, and the wavelength conversion element 31 can be coated with a phosphor or fluorescent. The part or the like excites the laser light of two colors of the three primary colors of red, green and blue, and the color of the received laser light is different from the color of the monochromatic laser light source. When the monochromatic laser light is a blue laser light, the wavelength conversion element 31 has a red and green fluorescent portion, and the laser light is red and green. The reflector 41 that reflects the excitation light is provided to directly reflect the excitation light and then use the laser of the color. The collimation of the laser is good, and the spot is small relative to the scattering angle of the Langer distribution of the laser of the other two colors. In the present embodiment, the first diffusion sheet 21 is disposed on the substrate 11 at a position corresponding to the reflected laser light, and the first diffusion sheet 21 diffuses the scattering angle of the reflected laser light. It is necessary to clarify the position of the first diffusion sheet 21. It may be disposed at a corresponding position in the radial direction of the substrate 11 according to the optical path, such as at a position close to the axis of the substrate 11, or may be disposed at a position away from the axis of the substrate. The first diffusion sheet 21 and the reflector 41 may be disposed on the front side and/or the opposite side of the substrate 11 for scattering the laser light reflected by the reflector 41, thereby increasing the scattering angle of the reflected laser light so that the angle of the scattered light is By the angle matching of the laser, the matching described here means that the reflected laser light and the laser beam are transmitted through the color wheel to obtain a closer spot size, thereby generating a uniform mixed spot. By driving the substrate 11 by the drive motor 51, the reflector 41, the first diffusion sheet 21, and the wavelength conversion element 31 are coaxially rotated, so that the mixed light of different timings has a uniform spot.

为了更好地利用光源，提高光效利用率，参照图1和图2所示，本实施例中，反射体41为镜面反射体，镜面反射体可以通过全反射或设置镜面反射膜等方式，以减少反射过程中光效由于散射或折射而流失。出于成本考虑，可以通过设置镜面反射膜的方式将激发光光源反射利用，从而可以获得与激发光等波长的激光，且提高了光效利用率。In order to make better use of the light source and improve the light efficiency utilization, referring to FIG. 1 and FIG. 2, in the embodiment, the reflector 41 is a specular reflector, and the specular reflector can be totally reflected or provided with a specular reflection film. To reduce the loss of light efficiency due to scattering or refraction during reflection. For cost reasons, the excitation light source can be reflected and utilized by providing a specular reflection film, thereby obtaining laser light having a wavelength equal to that of the excitation light, and improving the light efficiency utilization.

考虑到过滤受激光中的杂光，使受激光的光谱更为理想，本实施例中，基板11上设有用于对波长转换元件31激发的受激光进行滤波的修色膜片61。当然，修色膜片61的设置方式可以有多种，如根据光路设置在基板11径向的对应位置，或设置在靠近基板11轴心的位置，也可以设置在基板11的正、反面或同时设置在正反两面等，用于对受激光的波长进行过滤，以获得理想的可见光光谱。In view of filtering the stray light in the laser light to make the spectrum of the laser beam more desirable, in the present embodiment, the substrate 11 is provided with a color correction film 61 for filtering the laser light excited by the wavelength conversion element 31. Of course, the trimming film 61 may be disposed in various manners, such as being disposed at a corresponding position in the radial direction of the substrate 11 according to the optical path, or disposed at a position close to the axis of the substrate 11, or may be disposed on the front and back sides of the substrate 11 or It is set on both sides of the front and back, and is used to filter the wavelength of the laser to obtain the ideal visible light spectrum.

参照图1所示，在本实用新型第一实施例中，反射体41与波长转换元件31在基板11上呈圆形或者圆环形设置，波长转换元件31与反射体41设置在靠近基板11的轴心位置；通过反射镜组71将经波长转换元件31产生的受激光，以及经反射体41的反射光导向基板11并远离其轴心的位置。修色膜片61及第一扩散片21设置在远离基板11的轴心位置，修色膜片61对经波长转换元件31产生的受激光进行滤波，第一扩散片21对反射体40的反射光进行散射。该滤波后的受激光及经散射后的反射光在远离基板11轴心的位置上合成为时序连续的混合光，以获得均匀的光斑。Referring to FIG. 1 , in the first embodiment of the present invention, the reflector 41 and the wavelength conversion element 31 are arranged in a circular or circular shape on the substrate 11 , and the wavelength conversion element 31 and the reflector 41 are disposed adjacent to the substrate 11 . The position of the axial center; the laser light generated by the wavelength conversion element 31 and the reflected light passing through the reflector 41 are guided by the mirror group 71 to the position of the substrate 11 away from the axis thereof. The color correction film 61 and the first diffusion sheet 21 are disposed at positions away from the axial center of the substrate 11, and the color correction film 61 filters the laser light generated by the wavelength conversion element 31, and the reflection of the first diffusion sheet 21 against the reflector 40 Light is scattered. The filtered laser light and the scattered reflected light are synthesized into a time-continuous mixed light at a position away from the axis of the substrate 11 to obtain a uniform spot.

波长转换元件31与反射体41设置在靠近基板11的轴心位置，修色膜片61及第一扩散片21设置在远离基板11的轴心位置时。参照图1所示，在第一实施例中，反射体41与第一扩散片21设置在基板11的同一侧，反射体41与第一扩散片21设置在基板11远离驱动马达51的一侧，可以减少激发光通过基板11时的光效损失，修色膜片61及波长转换元件31的设置方式可以有多种，如：修色膜片61与波长转换元件31位于基板11远离驱动马达51的一侧；或者，修色膜片61与波长转换元件31位于基板11靠近驱动马达51的一侧；或者，修色膜片61与波长转换元件31中的其中一个位于基板11远离驱动马达51的一侧，另一个位于基板11靠近驱动马达51的一侧，修色膜片61与波长转换元件31通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。The wavelength conversion element 31 and the reflector 41 are disposed close to the axial center of the substrate 11, and the color correction film 61 and the first diffusion sheet 21 are disposed at positions away from the axial center of the substrate 11. Referring to FIG. 1, in the first embodiment, the reflector 41 and the first diffusion sheet 21 are disposed on the same side of the substrate 11, and the reflector 41 and the first diffusion sheet 21 are disposed on the side of the substrate 11 away from the driving motor 51. The light effect loss of the excitation light passing through the substrate 11 can be reduced, and the color correction film 61 and the wavelength conversion element 31 can be arranged in various manners, for example, the color correction film 61 and the wavelength conversion element 31 are located on the substrate 11 away from the driving motor. One side of 51; or, the color correction film 61 and the wavelength conversion element 31 are located on the side of the substrate 11 close to the drive motor 51; or, one of the color correction film 61 and the wavelength conversion element 31 is located on the substrate 11 away from the drive motor One side of the 51 and the other side of the substrate 11 are located close to the drive motor 51. The color correction film 61 and the wavelength conversion element 31 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

如图3所示，波长转换元件32与反射体42设置在靠近基板12的轴心位置，修色膜片62及第一扩散片22设置在远离基板12的轴心位置时。所述波长转换元件32设置在与驱动马达同一侧，所述波长转换元件32的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件32产生的受激光反射回，再通过反射镜组72导向基板12并远离其轴心的位置，最终所述反射的受激光可经过修色膜片62进行滤光。在其它实施例中，所述波长转换元件32可以设置在与驱动马达相对侧，即面向光源的一侧其中，所述反射体42与第一扩散片22设置在基板12的同一侧，反射体42与第一扩散片22设置在基板12靠近驱动马达52的一侧，修色膜片62及波长转换元件32的设置方式可以有多种，如：修色膜片62与波长转换元件32位于基板12远离驱动马达52的一侧；或者，修色膜片62与波长转换元件32位于基板12靠近驱动马达52的一侧；或者，修色膜片62与波长转换元件32中的其中一个位于基板12远离驱动马达52的一侧，另一个位于基板12靠近驱动马达52的一侧，修色膜片62与波长转换元件32通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 3, the wavelength conversion element 32 and the reflector 42 are disposed near the axial center of the substrate 12, and the color correction film 62 and the first diffusion sheet 22 are disposed away from the axial center of the substrate 12. The wavelength conversion element 32 is disposed on the same side of the driving motor, and a surface of the wavelength conversion element 32 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 32. Then, the mirror group 72 is guided to the substrate 12 and away from the axis thereof, and finally the reflected laser light can be filtered by the color correction film 62. In other embodiments, the wavelength conversion element 32 may be disposed on a side opposite to the driving motor, that is, a side facing the light source, wherein the reflector 42 and the first diffusion sheet 22 are disposed on the same side of the substrate 12, and the reflector 42 and the first diffusion sheet 22 are disposed on the side of the substrate 12 close to the driving motor 52, and the color correction film 62 and the wavelength conversion element 32 can be arranged in various manners, for example, the color correction film 62 and the wavelength conversion element 32 are located. The substrate 12 is remote from the side of the drive motor 52; alternatively, the color correction film 62 and the wavelength conversion element 32 are located on the side of the substrate 12 adjacent to the drive motor 52; or, one of the color correction film 62 and the wavelength conversion element 32 is located The substrate 12 is away from the side of the driving motor 52, and the other is located on the side of the substrate 12 close to the driving motor 52. The color correction film 62 and the wavelength conversion element 32 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has A uniform spot.

如图4所示，波长转换元件33与反射体43设置在靠近基板13的轴心位置，修色膜片63及第一扩散片23设置在远离基板13的轴心位置时。所述波长转换元件33设置在与驱动马达同一侧，所述波长转换元件33的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件33产生的受激光反射回，再通过反射镜组73导向基板13并远离其轴心的位置，最终所述反射的受激光可经过修色膜片63进行滤光。在其它实施例中，所述波长转换元件33可以设置在与驱动马达相对侧，即面向光源的一侧。所述反射体43与第一扩散片23设置在基板13的相对侧，反射体43设置在基板13远离驱动马达53的一侧，第一扩散片23设置在基板13靠近驱动马达53的一侧，可以部分减少激发光通过基板13时的光效损失，修色膜片63及波长转换元件33的设置方式可以有多种，如：修色膜片63与波长转换元件33位于基板13远离驱动马达53的一侧；或者，修色膜片63与波长转换元件33位于基板13靠近驱动马达53的一侧；或者，修色膜片63与波长转换元件33中的其中一个位于基板13远离驱动马达53的一侧，另一个位于基板13靠近驱动马达53的一侧，修色膜片63与波长转换元件33通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 4, the wavelength conversion element 33 and the reflector 43 are disposed close to the axial center of the substrate 13, and the color correction film 63 and the first diffusion sheet 23 are disposed at positions away from the axial center of the substrate 13. The wavelength conversion element 33 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 33 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 33. Then, the mirror group 73 is guided to the substrate 13 and away from the axial center thereof, and finally the reflected laser light can be filtered through the color correction film 63. In other embodiments, the wavelength converting element 33 can be disposed on the side opposite the drive motor, ie on the side facing the light source. The reflector 43 and the first diffusion sheet 23 are disposed on opposite sides of the substrate 13, the reflector 43 is disposed on a side of the substrate 13 away from the driving motor 53, and the first diffusion sheet 23 is disposed on a side of the substrate 13 adjacent to the driving motor 53. The light effect loss when the excitation light passes through the substrate 13 can be partially reduced. The color correction film 63 and the wavelength conversion element 33 can be disposed in various manners, for example, the color correction film 63 and the wavelength conversion element 33 are located on the substrate 13 away from the driving. One side of the motor 53; or, the color correction film 63 and the wavelength conversion element 33 are located on the side of the substrate 13 close to the drive motor 53; or, one of the color correction film 63 and the wavelength conversion element 33 is located on the substrate 13 away from the drive One side of the motor 53 and the other side are located on the side of the substrate 13 close to the drive motor 53, and the color correction film 63 and the wavelength conversion element 33 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

如图5所示，波长转换元件34与反射体44设置在靠近基板14的轴心位置，修色膜片64及第一扩散片24设置在远离基板14的轴心位置时。所述波长转换元件34设置在与驱动马达同一侧，所述波长转换元件34的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件34产生的受激光反射回，再通过反射镜组74导向基板14并远离其轴心的位置，最终所述反射的受激光可经过修色膜片64进行滤光。在其它实施例中，所述波长转换元件34可以设置在与驱动马达相对侧，即面向光源的一侧。所述反射体44与第一扩散片24设置在基板14的相对侧，反射体44设置在基板14靠近驱动马达54的一侧，第一扩散片24设置在基板14远离驱动马达54的一侧，修色膜片64及波长转换元件34的设置方式可以有多种，如：修色膜片64与波长转换元件34位于基板14远离驱动马达54的一侧；或者，修色膜片64与波长转换元件34位于基板14靠近驱动马达54的一侧；或者，修色膜片64与波长转换元件34中的其中一个位于基板14远离驱动马达54的一侧，另一个位于基板14靠近驱动马达54的一侧，修色膜片64与波长转换元件34通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 5, the wavelength conversion element 34 and the reflector 44 are disposed near the axial center of the substrate 14, and the color correction film 64 and the first diffusion sheet 24 are disposed away from the axial center of the substrate 14. The wavelength conversion element 34 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 34 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 34. Further, the mirror group 74 is guided to the substrate 14 and away from the axis thereof, and finally the reflected laser light can be filtered through the color correction film 64. In other embodiments, the wavelength converting element 34 can be disposed on the side opposite the drive motor, i.e., the side facing the light source. The reflector 44 and the first diffusion sheet 24 are disposed on opposite sides of the substrate 14, the reflector 44 is disposed on a side of the substrate 14 adjacent to the driving motor 54, and the first diffusion sheet 24 is disposed on a side of the substrate 14 away from the driving motor 54. The color correction film 64 and the wavelength conversion element 34 can be arranged in various manners, for example, the color correction film 64 and the wavelength conversion element 34 are located on the side of the substrate 14 away from the driving motor 54; or, the color correction film 64 and The wavelength conversion element 34 is located on the side of the substrate 14 adjacent to the drive motor 54; or one of the color correction film 64 and the wavelength conversion element 34 is located on the side of the substrate 14 remote from the drive motor 54, and the other is located on the substrate 14 near the drive motor On one side of the 54 side, the color correction film 64 and the wavelength conversion element 34 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

参照图6所示，在本实用新型第五实施例中，反射体45与波长转换元件35在基板15上呈圆环形设置，波长转换元件35与反射体45设置在远离基板15的轴心位置；通过反射镜组75将经波长转换元件35产生的受激光，以及经反射体45的反射光导向基板15远离其轴心的位置。所述波长转换元件35设置在与驱动马达同一侧，所述波长转换元件35的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件35产生的受激光反射回，再通过反射镜组75导向基板15并远离其轴心的位置，最终所述反射的受激光可经过修色膜片65进行滤光。在其它实施例中，所述波长转换元件35可以设置在与驱动马达相对侧，即面向光源的一侧。修色膜片65及第一扩散片25设置在远离基板15的轴心位置，修色膜片65对经波长转换元件35产生的受激光进行滤波，第一扩散片25对反射体45的反射光进行散射。该滤波后的受激光及经散射后的反射光在远离基板15轴心的位置上合成为时序连续的混合光，以获得均匀的光斑。Referring to FIG. 6, in the fifth embodiment of the present invention, the reflector 45 and the wavelength conversion element 35 are arranged in a circular shape on the substrate 15, and the wavelength conversion element 35 and the reflector 45 are disposed at an axis away from the substrate 15. Position; the laser light generated by the wavelength conversion element 35 and the reflected light passing through the reflector 45 are guided by the mirror group 75 to a position where the substrate 15 is away from its axis. The wavelength conversion element 35 is disposed on the same side as the driving motor, and a surface of the wavelength conversion element 35 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 35. Then, the mirror group 75 is guided to the substrate 15 and away from the axis thereof, and finally the reflected laser light can be filtered by the color correction film 65. In other embodiments, the wavelength converting element 35 can be disposed on the side opposite the drive motor, i.e., the side facing the light source. The color correction film 65 and the first diffusion sheet 25 are disposed at positions away from the axial center of the substrate 15, and the color correction film 65 filters the laser light generated by the wavelength conversion element 35, and the reflection of the first diffusion sheet 25 on the reflector 45 is performed. Light is scattered. The filtered laser light and the scattered reflected light are synthesized into a time-continuous mixed light at a position away from the axis of the substrate 15 to obtain a uniform spot.

波长转换元件35与反射体45设置在远离基板15的轴心位置，修色膜片65及第一扩散片25设置在靠近基板15的轴心位置时。参照图6所示，在第五实施例中，反射体45与第一扩散片25设置在基板15的同一侧，反射体45与第一扩散片25设置在基板15远离驱动马达55的一侧，可以减少激发光通过基板15时的光效损失，修色膜片65及波长转换元件35的设置方式可以有多种，如：修色膜片65与波长转换元件35位于基板15远离驱动马达55的一侧；或者，修色膜片65与波长转换元件35位于基板15靠近驱动马达55的一侧；或者，修色膜片65与波长转换元件35中的其中一个位于基板15远离驱动马达55的一侧，另一个位于基板15靠近驱动马达55的一侧，修色膜片65与波长转换元件35通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。The wavelength conversion element 35 and the reflector 45 are disposed at positions away from the axis of the substrate 15, and the color correction film 65 and the first diffusion sheet 25 are disposed close to the axial center of the substrate 15. Referring to FIG. 6, in the fifth embodiment, the reflector 45 and the first diffusion sheet 25 are disposed on the same side of the substrate 15, and the reflector 45 and the first diffusion sheet 25 are disposed on the side of the substrate 15 away from the driving motor 55. The light effect loss when the excitation light passes through the substrate 15 can be reduced, and the color correction film 65 and the wavelength conversion element 35 can be arranged in various manners, for example, the color correction film 65 and the wavelength conversion element 35 are located on the substrate 15 away from the driving motor. One side of 55; or, the color correction film 65 and the wavelength conversion element 35 are located on the side of the substrate 15 close to the drive motor 55; or, one of the color correction film 65 and the wavelength conversion element 35 is located on the substrate 15 away from the drive motor One side of the 55 is located on the side of the substrate 15 close to the drive motor 55, and the color correction film 65 and the wavelength conversion element 35 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

如图7所示，波长转换元件36与反射体46设置在远离基板16的轴心位置，修色膜片66及第一扩散片26设置在靠近基板16的轴心位置时。所述波长转换元件36设置在与驱动马达同一侧，所述波长转换元件36的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件36产生的受激光反射回，再通过反射镜组76导向基板16并靠近其轴心的位置，最终所述反射的受激光可经过修色膜片66进行滤光。在其它实施例中，所述波长转换元件36可以设置在与驱动马达相对侧，即面向光源的一侧。参照图7所示，在第六实施例中，反射体46与第一扩散片26设置在基板16的同一侧，反射体46与第一扩散片26设置在基板16靠近驱动马达56的一侧，修色膜片66及波长转换元件36的设置方式可以有多种，如：修色膜片66与波长转换元件36位于基板16远离驱动马达56的一侧；或者，修色膜片66与波长转换元件36位于基板16靠近驱动马达56的一侧；或者，修色膜片66与波长转换元件36中的其中一个位于基板16远离驱动马达56的一侧，另一个位于基板16靠近驱动马达56的一侧，修色膜片66与波长转换元件36通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 7, the wavelength conversion element 36 and the reflector 46 are disposed at positions away from the axis of the substrate 16, and the color correction film 66 and the first diffusion sheet 26 are disposed near the axial center of the substrate 16. The wavelength conversion element 36 is disposed on the same side of the driving motor, and the surface of the wavelength conversion element 36 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 36. The mirror group 76 is then guided to the substrate 16 and close to its axis, and finally the reflected laser light can be filtered through the color correction film 66. In other embodiments, the wavelength converting element 36 can be disposed on the side opposite the drive motor, i.e., the side facing the light source. Referring to FIG. 7, in the sixth embodiment, the reflector 46 and the first diffusion sheet 26 are disposed on the same side of the substrate 16, and the reflector 46 and the first diffusion sheet 26 are disposed on the side of the substrate 16 near the drive motor 56. The color correction film 66 and the wavelength conversion element 36 can be arranged in various manners, for example, the color correction film 66 and the wavelength conversion element 36 are located on the side of the substrate 16 away from the driving motor 56; or, the color correction film 66 and The wavelength conversion element 36 is located on the side of the substrate 16 adjacent to the drive motor 56; alternatively, one of the color correction film 66 and the wavelength conversion element 36 is located on the side of the substrate 16 remote from the drive motor 56, and the other is located on the substrate 16 near the drive motor On one side of the 56, the color correction film 66 and the wavelength conversion element 36 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

如图8所示，波长转换元件37与反射体47设置在远离基板17的轴心位置，修色膜片67及第一扩散片27设置在靠近基板17的轴心位置时。所述波长转换元件37设置在与驱动马达同一侧，所述波长转换元件37的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件37产生的受激光反射回，再通过反射镜组77导向基板17并靠近其轴心的位置，最终所述反射的受激光可经过修色膜片67进行滤光。在其它实施例中，所述波长转换元件37可以设置在与驱动马达相对侧，即面向光源的一侧。参照图8所示，在第七实施例中，反射体47与第一扩散片27设置在基板17的相对侧，反射体47设置在基板17远离驱动马达57的一侧，第一扩散片27设置在基板17靠近驱动马达57的一侧，可以部分减少激发光通过基板17时的光效损失，修色膜片67及波长转换元件37的设置方式可以有多种，如：修色膜片67与波长转换元件37位于基板17远离驱动马达57的一侧；或者，修色膜片67与波长转换元件37位于基板17靠近驱动马达57的一侧；或者，修色膜片67与波长转换元件37中的其中一个位于基板17远离驱动马达57的一侧，另一个位于基板17靠近驱动马达57的一侧，修色膜片67与波长转换元件37通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 8, the wavelength conversion element 37 and the reflector 47 are disposed at positions away from the axis of the substrate 17, and the color correction film 67 and the first diffusion sheet 27 are disposed close to the axial center of the substrate 17. The wavelength conversion element 37 is disposed on the same side of the driving motor, and a surface of the wavelength conversion element 37 may be provided with a reflective film, which may reflect the excitation light emitted from the light source to the laser light generated by the wavelength conversion element 37. Then, the mirror group 77 is guided to the substrate 17 and is close to the position of its axis, and finally the reflected laser light can be filtered by the color correction film 67. In other embodiments, the wavelength converting element 37 can be disposed on the side opposite the drive motor, i.e., the side facing the light source. Referring to FIG. 8, in the seventh embodiment, the reflector 47 and the first diffusion sheet 27 are disposed on the opposite side of the substrate 17, and the reflector 47 is disposed on the side of the substrate 17 away from the drive motor 57, the first diffusion sheet 27 The side of the substrate 17 adjacent to the driving motor 57 can partially reduce the loss of light effect when the excitation light passes through the substrate 17. The coloring film 67 and the wavelength conversion element 37 can be arranged in various ways, such as a color-changing film. 67 and the wavelength conversion element 37 are located on the side of the substrate 17 away from the drive motor 57; or, the color correction film 67 and the wavelength conversion element 37 are located on the side of the substrate 17 close to the drive motor 57; or, the color correction film 67 and the wavelength conversion One of the elements 37 is located on the side of the substrate 17 away from the drive motor 57, and the other is located on the side of the substrate 17 close to the drive motor 57. The color correction film 67 and the wavelength conversion element 37 can be approximated by the above various arrangement methods. The effect is to make the mixed light have a uniform spot.

如图9所示，波长转换元件38与反射体48设置在远离基板18的轴心位置，修色膜片68及第一扩散片28设置在靠近基板18的轴心位置时。所述波长转换元件38设置在与驱动马达同一侧，所述波长转换元件38的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件38产生的受激光反射回，再通过反射镜组78导向基板18并靠近其轴心的位置，最终所述反射的受激光可经过修色膜片68进行滤光。在其它实施例中，所述波长转换元件38可以设置在与驱动马达相对侧，即面向光源的一侧。参照图9所示，在第八实施例中，反射体48与第一扩散片28设置在基板18的相对侧，反射体48设置在基板18靠近驱动马达58的一侧，第一扩散片28设置在基板18远离驱动马达58的一侧，修色膜片68及波长转换元件38的设置方式可以有多种，如：修色膜片68与波长转换元件38位于基板18远离驱动马达58的一侧；或者，修色膜片68与波长转换元件38位于基板18靠近驱动马达58的一侧；或者，修色膜片68与波长转换元件38中的其中一个位于基板18远离驱动马达58的一侧，另一个位于基板18靠近驱动马达58的一侧，修色膜片68与波长转换元件38通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。As shown in FIG. 9, the wavelength conversion element 38 and the reflector 48 are disposed at positions away from the axis of the substrate 18, and the color correction film 68 and the first diffusion sheet 28 are disposed close to the axial center of the substrate 18. The wavelength conversion element 38 is disposed on the same side of the driving motor, and the surface of the wavelength conversion element 38 may be provided with a reflective film, which may reflect the excitation light emitted by the light source to the laser light generated by the wavelength conversion element 38. The mirror group 78 is then guided to the substrate 18 and close to its axis, and finally the reflected laser light can be filtered through the color correction film 68. In other embodiments, the wavelength converting element 38 can be disposed on the side opposite the drive motor, i.e., the side facing the light source. Referring to FIG. 9, in the eighth embodiment, the reflector 48 and the first diffusion sheet 28 are disposed on the opposite side of the substrate 18, and the reflector 48 is disposed on the side of the substrate 18 near the drive motor 58, the first diffusion sheet 28 The trimming film 68 and the wavelength converting element 38 may be disposed on the side of the substrate 18 away from the driving motor 58, such as the trimming film 68 and the wavelength converting element 38 being located on the substrate 18 away from the driving motor 58. One side; alternatively, the color modifying film 68 and the wavelength converting element 38 are located on the side of the substrate 18 adjacent to the driving motor 58; or one of the color modifying film 68 and the wavelength converting element 38 is located on the substrate 18 away from the driving motor 58. On one side and the other on the side of the substrate 18 close to the drive motor 58, the color correction film 68 and the wavelength conversion element 38 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot.

参照图10所示，在第九实施例中，在第反射体49与第一扩散片29在基板19靠近驱动马达59的相同侧时，反射体49区域的位置设有第二扩散片89，使经反射体49的反射光可以通过第二扩散片89散射，从而进一步增大经反射体49的反射光的散射角。修色膜片69及波长转换元件39的设置方式可以有多种，如：修色膜片69与波长转换元件39位于基板19远离驱动马达59的一侧；或者，修色膜片69与波长转换元件39位于基板19靠近驱动马达59的一侧；或者，修色膜片69与波长转换元件39中的其中一个位于基板19远离驱动马达59的一侧，另一个位于基板19靠近驱动马达59的一侧，修色膜片69与波长转换元件39通过上述多种设置方式均可以达到近似的效果，使混合光具有均匀的光斑。其中，所述波长转换元件39设置在与驱动马达同一侧，所述波长转换元件39的表面可设置反射膜，该反射膜可将光源发出的激发光入射至波长转换元件39产生的受激光反射回，再通过反射镜组79导向基板19并靠近其轴心的位置，最终所述反射的受激光可经过修色膜片69进行滤光。在其它实施例中，所述波长转换元件39可以设置在与驱动马达相对侧，即面向光源的一侧。Referring to FIG. 10, in the ninth embodiment, when the first reflector 49 and the first diffusion sheet 29 are on the same side of the substrate 19 as the drive motor 59, the second diffuser 89 is disposed at a position of the reflector 49 region. The reflected light of the reflected body 49 can be scattered by the second diffusion sheet 89, thereby further increasing the scattering angle of the reflected light by the reflector 49. The color correction film 69 and the wavelength conversion element 39 may be arranged in various manners, such as: the color correction film 69 and the wavelength conversion element 39 are located on the side of the substrate 19 away from the driving motor 59; or, the color correction film 69 and the wavelength The conversion element 39 is located on the side of the substrate 19 near the drive motor 59; alternatively, one of the color correction film 69 and the wavelength conversion element 39 is located on the side of the substrate 19 away from the drive motor 59, and the other is located on the substrate 19 near the drive motor 59. On one side, the color correction film 69 and the wavelength conversion element 39 can achieve an approximate effect by the above various arrangement modes, so that the mixed light has a uniform spot. Wherein, the wavelength conversion element 39 is disposed on the same side as the driving motor, and the surface of the wavelength conversion element 39 may be provided with a reflective film, which may inject the excitation light emitted by the light source into the laser light reflection generated by the wavelength conversion element 39. Then, the mirror group 79 is guided to the substrate 19 and close to the position of its axis, and finally the reflected laser light can be filtered by the color correction film 69. In other embodiments, the wavelength converting element 39 can be disposed on the side opposite the drive motor, i.e., the side facing the light source.

本实用新型还提出一种光源系统，该光源系统包括至少一光源及色轮装置，该光源可以采用激光光源，色轮装置包括基板、反射体及第一扩散片，其中，光源出射激发光，激发光入射至色轮装置的波长转换元件产生受激光；基板设有用于在激发光激发时产生受激光的波长转换元件；反射体设置在基板上，用于反射该激发光；第一扩散片设置在基板对应反射光的位置上，用于对反射体的反射光进行散射。具体位置可以参照前述实施例，在此不作详述。这样设置可以增大反射光的散射角，以使散射光的角度与受激光的角度匹配，从而产生均匀的混合光斑。The light source system further includes at least one light source and a color wheel device. The light source may be a laser light source. The color wheel device comprises a substrate, a reflector and a first diffusion sheet, wherein the light source emits excitation light. The wavelength conversion element in which the excitation light is incident on the color wheel device generates a laser beam; the substrate is provided with a wavelength conversion element for generating a laser light upon excitation of the excitation light; the reflector is disposed on the substrate for reflecting the excitation light; the first diffusion sheet The substrate is disposed at a position corresponding to the reflected light for scattering the reflected light of the reflector. For specific locations, reference may be made to the foregoing embodiments, which are not described in detail herein. This arrangement increases the scattering angle of the reflected light such that the angle of the scattered light matches the angle of the laser, resulting in a uniform mixed spot.

本实用新型还提出一种投影设备，包括了前述的色轮装置，需要说明的是，由于本实用新型的投影设备采用了上述色轮装置所有实施例的全部技术方案，则本实用新型的投影设备相应具有该色轮装置的实施例的技术方案所带来的所有有益效果，在此不再一一赘述。The utility model also provides a projection device, which comprises the foregoing color wheel device. It should be noted that since the projection device of the present invention adopts all the technical solutions of all the embodiments of the color wheel device, the projection of the utility model The device has all the beneficial effects brought about by the technical solution of the embodiment of the color wheel device, and details are not described herein again.

以上所述仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是在本实用新型的发明构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本实用新型的专利保护范围内。The above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structural transformation made by the specification and the drawings of the present invention under the inventive concept of the present invention, or Direct/indirect use in other related technical fields is included in the scope of patent protection of the present invention.

Claims (10)

1、一种色轮装置，其特征在于，包括：A color wheel device, comprising: 基板，所述基板上设有用于在激发光激发时产生受激光的波长转换元件；a substrate on which a wavelength conversion element for generating a laser light upon excitation of excitation light is provided; 反射体，设置在所述基板上；所述反射体用于反射所述激发光；a reflector disposed on the substrate; the reflector is configured to reflect the excitation light; 第一扩散片，设置在所述基板上，用于对所述反射体反射的激发光进行散射以获取散射光，以使所述散射光的角度与所述受激光的角度匹配;a first diffusion sheet disposed on the substrate for scattering excitation light reflected by the reflector to obtain scattered light such that an angle of the scattered light matches an angle of the laser light; 驱动马达，用于驱动所述基板及所述波长转换元件同轴转动。a driving motor for driving the substrate and the wavelength conversion element to rotate coaxially. 2、如权利要求1所述的色轮装置，其特征在于，所述反射体为镜面反射体。2. A color wheel device according to claim 1 wherein the reflector is a specular reflector. 3、如权利要求1所述的色轮装置，其特征在于，所述基板上设有用于对所述波长转换元件出射的受激光进行滤光的修色膜片。A color wheel device according to claim 1, wherein said substrate is provided with a color correction film for filtering the laser light emitted from said wavelength conversion element. 4、如权利要求3所述的色轮装置，其特征在于，所述反射体与所述波长转换元件在所述基板上呈圆形或者圆环形，所述波长转换元件与所述反射体设置在靠近所述基板的轴心位置；所述修色膜片及所述第一扩散片设置在远离所述基板的轴心位置。4. A color wheel device according to claim 3, wherein said reflector and said wavelength converting element are circular or circular on said substrate, said wavelength converting element and said reflector And disposed at a position close to an axial center of the substrate; the color correction film and the first diffusion sheet are disposed at an axial position away from the substrate. 5、如权利要求3所述的色轮装置，其特征在于，所述反射体与所述波长转换元件在所述基板上呈圆环形设置，所述波长转换元件与所述反射体设置在远离所述基板的轴心位置；所述修色膜片及所述第一扩散片设置在靠近所述基板的轴心位置。The color wheel device according to claim 3, wherein said reflector and said wavelength conversion element are disposed in a circular shape on said substrate, and said wavelength conversion element and said reflector are disposed at Moving away from the axial center position of the substrate; the color correction film and the first diffusion sheet are disposed near an axial center of the substrate. 6、如权利要求4或5所述的色轮装置，其特征在于，所述反射体与所述第一扩散片设置在所述基板的同一侧。The color wheel device according to claim 4 or 5, wherein the reflector and the first diffusion sheet are disposed on the same side of the substrate. 7、如权利要求4或5所述的色轮装置，其特征在于，所述反射体与所述第一扩散片分别设置在基板的相对侧。The color wheel device according to claim 4 or 5, wherein the reflector and the first diffusion sheet are respectively disposed on opposite sides of the substrate. 8、如权利要求7所述的色轮装置，其特征在于，所述反射体与所述第一扩散片在靠近所述驱动马达的相同侧时，反射体关于所述基板相对侧的位置设有第二扩散片。The color wheel device according to claim 7, wherein when the reflector and the first diffusion sheet are on the same side of the driving motor, the position of the reflector on the opposite side of the substrate is set. There is a second diffusion sheet. 9.一种光源系统，其特征在于，所述光源系统包括至少一光源及权利要求1至8中任意一项所述的色轮装置，所述色轮装置包括基板、反射体及第一扩散片，其中：A light source system, characterized in that the light source system comprises at least one light source and the color wheel device according to any one of claims 1 to 8, the color wheel device comprising a substrate, a reflector and a first diffusion Film, where: 所述光源出射激发光，所述激发光入射至所述色轮装置的波长转换元件产生受激光；The light source emits excitation light, and the excitation light is incident on a wavelength conversion element of the color wheel device to generate a laser beam; 所述基板，设有用于在激发光激发时产生受激光的波长转换元件；The substrate is provided with a wavelength conversion element for generating a laser light upon excitation of excitation light; 所述反射体，设置在所述基板上；所述反射体用于反射所述激发光；The reflector is disposed on the substrate; the reflector is configured to reflect the excitation light; 第一扩散片，设置在所述基板上，用于对所述反射体反射的激发光进行散射以获取散射光,以使所述散射光的角度与所述受激光的角度匹配。a first diffusion sheet disposed on the substrate for scattering excitation light reflected by the reflector to obtain scattered light such that an angle of the scattered light matches an angle of the laser light. 10、一种投影设备，其特征在于，包括权利要求9所述的光源系统。10. A projection apparatus comprising the light source system of claim 9.
PCT/CN2017/090274 2017-02-13 2017-06-27 Color wheel apparatus, a light source system, and a projection device Ceased WO2018145393A1 (en)

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