WO2022233089A1 - Module de lentille composite, dispositif d'éclairage et module de machine à lumière dlp - Google Patents

Module de lentille composite, dispositif d'éclairage et module de machine à lumière dlp Download PDF

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Publication number
WO2022233089A1
WO2022233089A1 PCT/CN2021/106875 CN2021106875W WO2022233089A1 WO 2022233089 A1 WO2022233089 A1 WO 2022233089A1 CN 2021106875 W CN2021106875 W CN 2021106875W WO 2022233089 A1 WO2022233089 A1 WO 2022233089A1
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WO
WIPO (PCT)
Prior art keywords
plastic
compound
lens
ophthalmic lens
eye
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Application number
PCT/CN2021/106875
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English (en)
Chinese (zh)
Inventor
夏业新
梅良
丁明内
杨伟樑
高志强
Original Assignee
广景视睿科技（深圳）有限公司
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Publication of WO2022233089A1 publication Critical patent/WO2022233089A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0961—Lens arrays

Definitions

  • Embodiments of the present application relate to the technical field of optical lens design, and in particular, to a compound spectacle lens module, a lighting device, and a DLP optomechanical module.
  • the optical compound lens in the DLP opto-mechanical module is affected by its own absorption rate. Under the irradiation of visible light excited by the LED light source, a small amount of visible light has an absorptivity of the optical compound lens. Under the action of , the optical power is converted into thermal power, and finally the energy conversion is realized by the temperature rise of the compound eye itself.
  • the inventor found that at least the following problems exist in the above related technologies: the high-precision optical compound lenses used in the existing market are mostly made of glass material or plastic material, and the lenses of these two types of materials have different Pros and cons, high-precision glass-based ophthalmic lenses have good reliability, high temperature resistance, and good material stability, but the molding process is complex and expensive; Easy to yellow and poor reliability.
  • the embodiments of the present application provide a compound eye lens module, a lighting device and a DLP optomechanical module with low cost, simple manufacture, good thermal conductivity and high reliability.
  • the embodiment of the present application provides a compound lens module, comprising:
  • the first plastic compound eye lens the surface of which is set as a compound eye structure with a concave-convex structure, is configured to receive the light source light spot emitted by the surface light source;
  • the second plastic compound eye lens the surface of which is configured as a compound eye structure with a concave-convex structure, is configured to emit light spots for uniform emission;
  • a rectangular parallelepiped glass structure, the first plastic ophthalmic lens and the second plastic ophthalmic lens are fixed on both sides of the rectangular parallelepiped glass structure by adhesive, and there are,
  • the second plastic ophthalmic lens is symmetrically arranged with the center of the first plastic ophthalmic lens, so that the light spot emitted by the surface light source can be incident into the ophthalmic lens module through the first plastic ophthalmic lens , and exits through the second plastic compound ophthalmic lens.
  • plastic casings are provided on the other four sides of the rectangular parallelepiped glass structure not provided with the first plastic compound ophthalmic lens and the second plastic ophthalmic lens.
  • the adhesive glue is glue
  • the first plastic ophthalmic lens and the second plastic ophthalmic lens are fixed on both sides of the rectangular parallelepiped glass structure through the glue.
  • the rectangular parallelepiped glass structure is used for fixing the first side of the first plastic femto-eye lens, and is arranged in parallel with the second side of the rectangular parallelepiped glass structure used for fixing the second plastic foci ophthalmic lens .
  • the first plastic fly-eye lens and the second plastic fly-eye lens are arranged in parallel.
  • the surface area of the first plastic fly-eye lens is the same as the surface area of the first side of the cuboid glass structure, and the surface area of the second plastic fly-eye lens is the same as the surface area of the second side of the cuboid glass structure the same surface area.
  • the structures of the first plastic fly-eye lens and the second plastic fly-eye lens are completely the same.
  • the area of the compound eye structure on the second plastic fly-eye lens is larger than the area of the compound eye structure on the first plastic fly-eye lens.
  • an embodiment of the present application provides a lighting device, which is characterized by comprising:
  • the compound eyeglass lens module is arranged in the light emitting direction of the surface light source, and is used for converting the light spot of the light source into a uniform light spot.
  • an embodiment of the present application provides a DLP optical-mechanical module, including:
  • the lighting device according to the second aspect
  • the DMD chip which is arranged in the light-emitting direction of the lighting device, is used for receiving the uniform light spot emitted by the lighting device, and emits a light beam containing image information;
  • the lens group which is arranged in the light-emitting direction of the DMD chip, is used for outputting the imaging light beam.
  • the embodiment of the present application provides a compound lens module, a lighting device and a DLP optical-mechanical module.
  • the module includes: a first plastic compound eye lens, a second plastic compound eyeglass lens and a rectangular parallelepiped glass structure, and the surfaces of the first plastic compound eyeglass lens and the second plastic compound eyeglass lens are both provided with a compound eye structure with a concave-convex structure and are bonded by bonding
  • the glue is fixed on both sides of the rectangular parallelepiped glass structure, and the second plastic compound ophthalmic lens and the first plastic compound ophthalmic lens are arranged symmetrically in the center, so that the light spot emitted by the surface light source can pass through the first plastic
  • the ophthalmic lens is incident into the ophthalmic lens module and exits through the second plastic ophthalmic lens.
  • the production process of the ophthalmic lens module provided by the embodiment of the present application is simple, inexpensive, and has good overall reliability. Has high thermal conduct
  • 1 is a schematic diagram of one of the application environments of the compound eye lens module provided by the embodiment of the present application;
  • Figure 2 (a) is a schematic structural diagram of the compound eye lens module provided in the first embodiment of the present application from a first viewing angle;
  • Figure 2 (b) is a schematic structural diagram of the compound eye lens module provided in Embodiment 1 of the present application from a second viewing angle;
  • FIG. 3(a) is a schematic structural diagram of the rectangular parallelepiped glass structure provided in Embodiment 1 of the present application from a first viewing angle;
  • 3(b) is a schematic structural diagram of the rectangular parallelepiped glass structure provided in Embodiment 1 of the present application from a second viewing angle;
  • FIG. 4( a ) is a schematic structural diagram of the first plastic ophthalmic lens and the second plastic ophthalmic lens provided in Embodiment 1 of the present application from a first viewing angle;
  • Fig. 4(b) is a schematic structural diagram of the first plastic compound ophthalmic lens and the second plastic ophthalmic lens provided in the first embodiment of the present application at a second viewing angle;
  • FIG. 5 is a schematic structural diagram of a lighting device provided in Embodiment 2 of the present application.
  • FIG. 6 is a schematic structural diagram of a DLP optical-mechanical module provided in Embodiment 3 of the present application.
  • the embodiment of the present application provides an optical compound spectacle lens module with a combination of materials, which has The manufacturing process is simple, the price is low, the overall reliability is good, and it has several advantages of high thermal conductivity.
  • 1 is a schematic diagram of one of the application environments of the compound eye lens module provided by the embodiment of the application, wherein the application environment includes: an illumination device 10 , a TIR prism 20 , a DMD chip 30 , a lens group 40 and an imaging screen 50 , the above device constitutes a DLP optical-mechanical module.
  • the lighting device 10 includes the compound eye lens module 100 provided in the embodiment of the present application and a surface light source 11, the surface light source 11 can output a rectangular light spot, wherein the surface light source 11 may be composed of a plurality of LED light sources.
  • the LED light sources are arranged in an orderly or unnecessary state, and can output a light source spot with uneven brightness when turned on.
  • the compound eye lens module 100 can convert the light source spot with uneven brightness into a uniform light spot and output it .
  • the TIR prism 20 (total internal reflection prism) is arranged as shown in FIG. 1 , it can transmit and output the light spot outputted by the compound eye lens module 100 after being homogenized, and reflect the imaging beam output by the DMD chip 30 . It should be noted that, in some other embodiments, the TIR prism 20 may not be provided, and specifically, it may be selected according to the actual optical path design.
  • the DMD (Digital Micromirror Device) chip 30 is a digital micro-mirror element, which can be excited to generate an imaging beam after receiving the illumination light source output by the illumination device 10 , and the imaging beam is reflected and emitted by the TIR prism 20 .
  • the lens group 40 is arranged in the light-emitting direction of the TIR prism 20, and can amplify or reduce the imaging beam reflected and emitted by the TIR prism 20, and can adjust the focal length and distortion of the imaging image.
  • the lens group 40 includes: At least one lens, specifically, whether to set the lens group 40 and the setting of each lens in the lens group 40 can be selected according to actual needs.
  • the imaging screen 50 is used to receive the imaging light beam and form an imaging image, and the material of the imaging screen 50 can be selected according to actual needs.
  • the illuminating device 10 made by using the ophthalmic lens module provided in the embodiment of the present application can emit uniform illumination light
  • the DLP optical-mechanical module made by using the ophthalmic lens module provided in the embodiment of the present application can output brightness Uniform imaging beam to form imaging images with uniform brightness.
  • the ophthalmic lens module 100 includes: a first plastic ophthalmic lens 110 , a second plastic ophthalmic lens 120 and a rectangular parallelepiped glass structure 130 .
  • the surface of the first plastic compound eye lens 110 is configured as a compound eye structure with a concave-convex structure, and is configured to receive the light source light spot emitted by the surface light source;
  • the surface of the second plastic compound eye lens 120 is configured as a compound eye structure with a concave-convex structure, and is configured to emit light spots for uniform emission;
  • the compound eye structure is composed of a tiled arrangement of an indeterminate number of small lenses, as shown in Figure 2(a) and Figure 2(b), the compound eye structure is composed of a plurality of concave and convex small lenses periodically arranged.
  • the compound eye structure can be set according to actual needs, and does not need to be bound by the limitations of the embodiments of the present application.
  • the first plastic compound lens 110 and the second plastic compound lens 120 are fixed on both sides of the rectangular parallelepiped glass structure 130 by means of adhesive, and the second plastic compound lens 120 is connected to all of them.
  • the first plastic optic lens 110 is symmetrically arranged in the center, so that the light spot emitted from the surface light source can be incident into the optic lens module 100 through the first plastic lens 110, and pass through the second lens.
  • the plastic compound ophthalmic lens 120 exits.
  • the compound eye structure is divided into a rectangular parallelepiped glass structure 130 made of a glass material structure in the center, and a complex compound eye concave-convex lens formed by injection molding and other methods using plastic materials on both sides.
  • the characteristic optical structure that is, the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 , is used to manufacture the foveated lens module 100 .
  • the heat generated during the operation of the fork eye lens module 100 is rapidly conducted to the rectangular parallelepiped glass structure 130 through the thin and large-area first plastic compound compound optics lens 110 and the second plastic compound compound optics lens 120 .
  • the rectangular parallelepiped glass structure 130 made of glass material is rapidly conducted to the low temperature area, so as to reduce the heat concentration in the high temperature area of the compound eyeglass module and reduce the overall temperature rise of the compound eyeglass module 100 .
  • the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are required to be as thin as possible to reduce the overall thermal resistance of the ophthalmic lens module 100. Speed up heat dissipation.
  • the rectangular parallelepiped glass structure 130 is not provided with the first plastic compound ophthalmic lens 110 and the second plastic ophthalmic lens 120
  • the other four side surfaces 133 are provided with plastic casings 140 .
  • the plastic housing 140 can be formed by integral injection molding directly on the four sides 133 of the rectangular parallelepiped glass structure 130, or can be fixed by snaps, threads, tenon-and-mortise structures, and bonding after being produced separately. It is fixed to the rectangular parallelepiped glass structure 130 by means such as fixing. Specifically, it can be set according to actual needs, and it is not necessary to be bound by the limitations of the embodiments of the present application.
  • the adhesive is glue
  • the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are fixed on both sides of the rectangular parallelepiped glass structure 130 by the glue. It should be noted that, during the bonding process, it is necessary to keep the compound eye structure on the first plastic fly-eye lens 110 aligned with the compound eye structure on the second plastic fly-eye lens 120, so that light can be transmitted normally. out.
  • FIG. 3( a ) and FIG. 3( b ) illustrate the structures of the rectangular parallelepiped glass structure provided by the embodiments of the present application in two viewing angles, and the rectangular parallelepiped glass structure 130 is used for fixing
  • the first side 131 of the first plastic fly-eye lens 110 is disposed parallel to the second side 132 of the rectangular parallelepiped glass structure 130 for fixing the second plastic fly-eye lens 120 .
  • the first side 131 and the second side 132 of the rectangular parallelepiped glass structure 130 need to maintain high-precision flatness and parallelism, so as to minimize the influence on the light exit direction of the optical path, so that the light can be output in parallel.
  • FIG. 4( a ) and FIG. 4( b ) illustrate the structures of the first and second plastic ophthalmic lenses provided in the embodiments of the present application at two viewing angles , the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are arranged in parallel.
  • both the reference surface 111 of the first plastic fove ophthalmic lens 110 and the datum surface 121 of the second plastic ophthalmic lens 120 need to maintain high-precision flatness, and during the bonding process, it is also necessary to maintain
  • the reference plane 111 of the first plastic compound lens 110 is at the size center of the first side 131 of the cuboid glass structure 130
  • the reference plane 121 of the second plastic compound lens 120 is at the center of the first side 131 of the cuboid glass structure 130 .
  • the dimensional center of the second side 132 the four sides 112 of the side edges of the first plastic compound ophthalmic lens 110 need to maintain the verticality
  • the four sides 122 of the side edges of the second plastic compound ophthalmic lens 120 also need to maintain the perpendicularity.
  • the surface area 111 of the first plastic ophthalmic lens 110 is the same as the surface area of the first side 131 of the cuboid glass structure 130
  • the surface area 121 of the second plastic ophthalmic lens 120 is the same as the surface area of the rectangular parallelepiped glass structure 130
  • the surface area of the second side 132 of the glass structure 130 is the same.
  • the structures of the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are completely the same.
  • the structures of the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are exactly the same, so only one mold is needed to produce the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 , and when in use, the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 can be used as the light incident side or the light outgoing side.
  • the question is whether the installation direction of a plastic fictitious lens 110 and the second plastic fictitious lens 120 is correct.
  • the area of the compound eye structure on the second plastic fly-eye lens 120 is larger than the area of the compound eye structure on the first plastic fly-eye lens 110 .
  • the structures of the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 are different, although two molds are required to produce the first plastic ophthalmic lens 110 and the second plastic ophthalmic lens 120 respectively.
  • the area of the compound eye structure is reduced on the light incident side, that is, on the first plastic compound eye lens 110 , and due to the light spot incident on the compound eye lens module 100 , the area of the compound eye structure is reduced. It is smaller than the light spot emitted from the compound eye lens module 100. Therefore, after reducing the area of the compound eye structure of the first plastic compound eye lens 110, on the one hand, the compound eye lens module 100 can be guaranteed to work normally; It can also reduce production costs.
  • FIG. 5 shows the structure of an illuminating device 10 provided in an embodiment of the present application, and the illuminating device 10 includes: a surface light source 11 and a spectacle lens module 100.
  • the surface light source 11 is used to emit light spots of the light source.
  • the surface light source 11 is a light source capable of outputting a flat-panel light source, which can be the surface light source 11 described in the above application scenarios and Embodiment 1.
  • a light source capable of outputting a flat-panel light source which can be the surface light source 11 described in the above application scenarios and Embodiment 1.
  • the fly-eye lens module 100 is disposed in the light emitting direction of the surface light source 11, and is used to convert the light spot of the light source into a uniform light spot.
  • the fork eye lens module 100 is the fork eye lens module 100 described in the above-mentioned first embodiment. Specifically, please refer to the above application scenario and its accompanying drawings and the first embodiment and its accompanying drawings, which are not repeated here. detail.
  • the embodiment of the present application provides a DLP optical-mechanical module. Please refer to FIG. 6 , which shows the structure of a DLP optical-mechanical module 1 provided by the embodiment of the present application.
  • the DLP optical-mechanical module 1 includes: The lighting device 10 , the DMD chip 30 and the lens group 40 .
  • the lighting device 10 described in the above application scenario and the second embodiment is used to provide an illumination light source.
  • the DMD chip 30, which is arranged in the light-emitting direction of the lighting device, is used to receive the uniform light spot emitted by the lighting device and emit light beams containing image information.
  • the DMD chip 30 can be the above application scenario
  • the lens group 40 which is arranged in the light-emitting direction of the DMD chip 30, is used to output the imaging beam.
  • the lens group 40 can be the lens group 40 described in the above application scenarios. Specifically, please refer to the above application scenarios and its As shown in the drawings, detailed description is omitted here.
  • the embodiments of the present application provide a compound ophthalmic lens module, an illuminating device and a DLP optical-mechanical module.
  • the compound ophthalmic lens module includes: a first plastic compound compound compound eyeglass, a second plastic compound compound eyeglass, and a rectangular parallelepiped glass structure,
  • the surfaces of the first plastic compound eyeglass lens and the second plastic compound compound eyeglass lens are both set as compound eye structures with concave-convex structures and fixed on both sides of the rectangular parallelepiped glass structure by means of adhesive, and the second plastic compound compound eyeglass lens and the
  • the center of the first plastic compound lens is symmetrical, so that the light spot emitted by the surface light source can be incident into the compound lens module through the first plastic compound lens, and pass through the second plastic compound lens.
  • the compound spectacle lens module provided by the embodiment of the present application has simple manufacturing process, low price, good overall reliability, and high thermal conductivity.
  • the device embodiments described above are only schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physically separated unit, that is, it can be located in one place, or it can be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un module de lentille composite (100), un dispositif d'éclairage (10) et un module de machine à lumière DLP, qui se rapportent au domaine technique de la conception de lentille optique, le module de lentille composite (100) comprenant : une première lentille composite en plastique (110), une seconde lentille composite en plastique (120) et une structure de verre cuboïde (130) ; des surfaces de la première lentille composite en plastique (110) et la seconde lentille composite en plastique (120) sont configurées en tant que structures d'œil composite ayant des structures concaves-convexes et sont fixées à deux côtés de la structure de verre cuboïde (130) au moyen d'une colle adhésive ; la seconde lentille composite en plastique (120) et la première lentille composite en plastique (110) sont disposées en symétrie dans le centre, de sorte que les points lumineux émis par une source de lumière (11) peut entrer dans le module de lentille composite (100) au moyen de la première lentille composite en plastique (110) et sont émis au moyen de la seconde lentille composite en plastique (120). Le module de lentille composite (100) présente un procédé de fabrication simple, de faibles prix, une bonne fiabilité globale et une conductivité thermique élevée.
PCT/CN2021/106875 2021-05-07 2021-07-16 Module de lentille composite, dispositif d'éclairage et module de machine à lumière dlp WO2022233089A1 (fr)

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CN202110495413.1A CN113311587A (zh) 2021-05-07 2021-05-07 一种复眼镜片模组、照明装置及dlp光机模组
CN202110495413.1 2021-05-07

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Citations (6)

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Publication number Priority date Publication date Assignee Title
US20090009876A1 (en) * 2007-07-06 2009-01-08 Seiko Epson Corporation Lens Array, A Line Head and an Image Forming Apparatus Using the Line Head
CN101788712A (zh) * 2009-01-23 2010-07-28 上海三鑫科技发展有限公司 使用激光光源的微型投影机用光学引擎
CN101825830A (zh) * 2009-03-06 2010-09-08 上海三鑫科技发展有限公司 反射型光学引擎
CN107193064A (zh) * 2017-07-28 2017-09-22 邓杨 双面复眼透镜成像晶片及其制备工艺
CN109445005A (zh) * 2019-01-03 2019-03-08 京东方科技集团股份有限公司 一种棱镜组件、光源模组、背光模组及显示装置
CN111158221A (zh) * 2020-03-11 2020-05-15 东莞市中誉光电科技有限公司 Led光源曝光系统及曝光机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090009876A1 (en) * 2007-07-06 2009-01-08 Seiko Epson Corporation Lens Array, A Line Head and an Image Forming Apparatus Using the Line Head
CN101788712A (zh) * 2009-01-23 2010-07-28 上海三鑫科技发展有限公司 使用激光光源的微型投影机用光学引擎
CN101825830A (zh) * 2009-03-06 2010-09-08 上海三鑫科技发展有限公司 反射型光学引擎
CN107193064A (zh) * 2017-07-28 2017-09-22 邓杨 双面复眼透镜成像晶片及其制备工艺
CN109445005A (zh) * 2019-01-03 2019-03-08 京东方科技集团股份有限公司 一种棱镜组件、光源模组、背光模组及显示装置
CN111158221A (zh) * 2020-03-11 2020-05-15 东莞市中誉光电科技有限公司 Led光源曝光系统及曝光机

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