CN111367102A - Vertically-oriented liquid crystal light valve lens assembly - Google Patents

Vertically-oriented liquid crystal light valve lens assembly Download PDF

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Publication number
CN111367102A
CN111367102A CN202010381541.9A CN202010381541A CN111367102A CN 111367102 A CN111367102 A CN 111367102A CN 202010381541 A CN202010381541 A CN 202010381541A CN 111367102 A CN111367102 A CN 111367102A
Authority
CN
China
Prior art keywords
liquid crystal
lens assembly
vertically aligned
light valve
aligned liquid
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.)
Pending
Application number
CN202010381541.9A
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Chinese (zh)
Inventor
林志坚
王海
曾新勇
楚建堂
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.)
Conhui Huizhou Semiconductor Co ltd
Original Assignee
Conhui Huizhou Semiconductor Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conhui Huizhou Semiconductor Co ltd filed Critical Conhui Huizhou Semiconductor Co ltd
Priority to CN202010381541.9A priority Critical patent/CN111367102A/en
Publication of CN111367102A publication Critical patent/CN111367102A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Polarising Elements (AREA)

Abstract

The invention provides a vertical orientation liquid crystal light valve lens assembly, which comprises lens glass, a wave plate, a polarizing filter and a vertical orientation liquid crystal box which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve. The polarization filters are symmetrically arranged on two sides of the vertical alignment liquid crystal box, and the lens glass is arranged on one side of the polarization filters. As a liquid crystal light valve with high reliability, high contrast and quick response, the liquid crystal light valve utilizes a vertical orientation liquid crystal box, two 1/4 wave plates, 2 polarizing filters, 2 pieces of lens glass and an electronic automatic system, can automatically control the opening and closing functions of the liquid crystal light valve, and plays a role in regulating and controlling the optical exposure; the problem of realize luminous flux by traditional machinery commentaries on classics polaroid angle is solved, improve the reliability of product, promoted product life.

Description

Vertically-oriented liquid crystal light valve lens assembly
Technical Field
The invention relates to the technical field of optical equipment, in particular to a vertical orientation liquid crystal light valve lens assembly.
Background
In recent years, the industry of optical lenses has rapidly moved to the continental china, which is becoming the main production area of optical lenses in the world.
Since the first camera in the world was born, it was noted that cameras will change the lives and histories of humans. A camera, also called a camera for short, is an apparatus for forming an image by using an optical imaging principle and recording the image using a negative film.
The traditional single lens reflex professional camera controls the exposure amount by adjusting the angles of two polarizing filters, and the traditional single lens reflex professional camera is mainly manually operated by depending on the experience of a user or controls the rotating angle of the polarizing filters by a mechanical motor. The traditional single lens reflex professional camera controls the exposure amount by adjusting the angles of two polaroids, is manually operated by depending on the experience of a user, is easy to damage devices through frequent mechanical rotation, and has low response speed and low contrast.
With the development of software and hardware, the novel digital camera is used by matching a photosensitive element with a camera and an LED (light emitting diode), software exposure function algorithm light supplement automatic operation is carried out on a shooting object, and the defects of exposure distortion still exist by adopting the current image method automatic dimming and focusing technology due to the diversity of imaging targets and the complexity of imaging conditions of the photoelectric theodolite in practical engineering application. In the prior art, a scheme for electronically controlling the exposure of a camera by using an electrically controlled liquid crystal light valve does not exist.
Disclosure of Invention
In view of this, the invention provides a liquid crystal light valve with high reliability, high contrast and fast response, which utilizes a vertical orientation liquid crystal box, two 1/4 wave plates, 2 polarizing filters, 2 pieces of lens glass and an electronic automatic system, and can automatically control the opening and closing functions of the liquid crystal light valve in an electric mode, thereby playing a role in regulating and controlling the optical exposure; the problem of realize luminous flux by traditional machinery commentaries on classics polaroid angle is solved, improve the reliability of product, promoted product life.
The technical scheme of the invention is as follows:
the vertical orientation liquid crystal light valve lens component is characterized by comprising lens glass, a wave plate, a polarizing filter and a vertical orientation liquid crystal box which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve.
In the invention, the electric control light valve is applied to the vertical orientation liquid crystal technology, and has the advantages of high contrast, quick response and the like.
Furthermore, the polarization filters are symmetrically arranged on two sides of the vertical alignment liquid crystal box, and the lens glass is arranged on one side of the polarization filters. The lens glass, the wave plate and the polarizing filter are all round, are processed by applying the processes of a special-shaped die cutter and the like, and are sequentially attached to a vertical orientation liquid crystal box.
Furthermore, the electric control light valve is connected with an electronic automatic system. The technical scheme of the application is essentially to improve the composition and connection relation of hardware parts, and does not relate to the improvement of a software program or a circuit structure per se.
Preferably, the polarizing filter can adopt a polarization filter of an ACE-125U-HC model in the prior art.
Further, the vertically aligned liquid crystal cell is an LCD glass liquid crystal cell.
Further, the thickness of the vertical alignment liquid crystal box is 0.2-0.8 mm.
Further, the thickness of the vertical alignment liquid crystal cell is 0.55 mm.
Furthermore, the antireflection film layer is arranged on the outer side of the lens glass.
Further, the lens glass is 0.5-1t lens glass.
Further, the wave plate is 1/4 wave plate, preferably, the 1/4 wave plate can adopt 1/4 wave plate of WA-140T model in the prior art.
Further, the antireflection film layer comprises a glass base layer, and silicon nitride film layers and aluminum oxide film layers are alternately superposed on the surface of the glass base layer; the outermost layer of the antireflection film layer is an alumina film layer. The optical performance of the product can be effectively improved.
Furthermore, the whole lens assembly is of a circular structure. The invention is matched with the appearance of a camera, and is designed into a circular structure, and the preferred diameter is 96.00 mm; the circular structure needs to be matched with a special-shaped glass cutting machine.
Furthermore, the outer side of the lens assembly is provided with a cover plate, and a sealing layer is arranged at the joint of the lens assembly and the cover plate. The cover plate needs silk-screen printing of positioning lines, and marks are made for OCA full lamination; the sealing layer is a UV glue sealing layer, so that the reliability of the product can be improved, and the service life of the product can be prolonged.
The invention can automatically control the opening and closing functions of the liquid crystal light valve by arranging the vertical orientation liquid crystal box, two 1/4 wave plates, 2 polarizing filters and 2 pieces of lens glass and adding an electronic automatic system for driving the vertical orientation liquid crystal light valve, thereby playing the role of regulating and controlling the optical exposure; the problem of realizing luminous flux by the angle of a traditional mechanical rotating polaroid is solved.
The invention has novel design, is simple and easy to realize, can automatically control the opening and closing functions of the liquid crystal light valve electrically, and plays a role in regulating and controlling the optical exposure; the problem of realize luminous flux by traditional machinery commentaries on classics polaroid angle is solved, improve the reliability of product, promoted product life.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a partial schematic view of the present invention;
fig. 3 is a partial structural schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A vertical orientation liquid crystal light valve lens assembly 10 is characterized by comprising lens glass 1, a wave plate 2, a polarizing filter 3 and a vertical orientation liquid crystal box 4 which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve 5.
In the invention, the electric control light valve is applied to the vertical orientation liquid crystal technology, and has the advantages of high contrast, quick response and the like.
Furthermore, the polarization filters are symmetrically arranged on two sides of the vertical alignment liquid crystal box, and the lens glass is arranged on one side of the polarization filters. The lens glass, the wave plate and the polarizing filter are all round, are processed by applying the processes of a special-shaped die cutter and the like, and are sequentially attached to a vertical orientation liquid crystal box.
Further, the electrically controlled light valve is connected with an electronic automation system (not labeled). The technical scheme of the application is essentially to improve the composition and connection relation of hardware parts, and does not relate to the improvement of a software program or a circuit structure per se.
Preferably, the polarizing filter can adopt a polarization filter of an ACE-125U-HC model in the prior art.
Further, the vertically aligned liquid crystal cell is an LCD glass liquid crystal cell.
Further, the thickness of the vertical alignment liquid crystal cell is 0.55 mm.
Further, the outer side of the lens glass is provided with the antireflection film layer 6.
Further, the lens glass is 0.5-1t lens glass.
Further, the wave plate is 1/4 wave plate, preferably, the 1/4 wave plate can adopt 1/4 wave plate of WA-140T model in the prior art.
Further, the antireflection film layer comprises a glass base layer 61, and silicon nitride film layers 62 and aluminum oxide film layers 63 are alternately superposed on the surface of the glass base layer; the outermost layer of the antireflection film layer is an alumina film layer. The optical performance of the product can be effectively improved.
Furthermore, the whole lens assembly is of a circular structure. The invention is matched with the appearance of a camera, and is designed into a circular structure, and the preferred diameter is 96.00 mm; the circular structure needs to be matched with a special-shaped glass cutting machine.
Furthermore, the outside of lens subassembly is equipped with apron 7, lens subassembly and apron junction are equipped with sealing layer 8. The cover plate needs silk-screen printing of positioning lines, and marks are made for OCA full lamination; the sealing layer is a UV glue sealing layer, so that the reliability of the product can be improved, and the service life of the product can be prolonged.
The invention can automatically control the opening and closing functions of the liquid crystal light valve by arranging the vertical orientation liquid crystal box, two 1/4 wave plates, 2 polarizing filters and 2 pieces of lens glass and adding an electronic automatic system for driving the vertical orientation liquid crystal light valve, thereby playing the role of regulating and controlling the optical exposure; the problem of realizing luminous flux by the angle of a traditional mechanical rotating polaroid is solved.
The invention has novel design, is simple and easy to realize, can automatically control the opening and closing functions of the liquid crystal light valve electrically, and plays a role in regulating and controlling the optical exposure; the problem of realize luminous flux by traditional machinery commentaries on classics polaroid angle is solved, improve the reliability of product, promoted product life.
Example 2
A vertical orientation liquid crystal light valve lens assembly 10 is characterized by comprising lens glass 1, a wave plate 2, a polarizing filter 3 and a vertical orientation liquid crystal box 4 which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve 5.
In the invention, the electric control light valve is applied to the vertical orientation liquid crystal technology, and has the advantages of high contrast, quick response and the like.
Furthermore, the polarization filters are symmetrically arranged on two sides of the vertical alignment liquid crystal box, and the lens glass is arranged on one side of the polarization filters. The lens glass, the wave plate and the polarizing filter are all round, are processed by applying the processes of a special-shaped die cutter and the like, and are sequentially attached to a vertical orientation liquid crystal box.
Further, the electrically controlled light valve is connected with an electronic automation system (not labeled). The technical scheme of the application is essentially to improve the composition and connection relation of hardware parts, and does not relate to the improvement of a software program or a circuit structure per se.
Further, the vertically aligned liquid crystal cell is an LCD glass liquid crystal cell.
Further, the thickness of the vertical alignment liquid crystal cell is 0.35 mm.
Further, the outer side of the lens glass is provided with the antireflection film layer 6.
Further, the lens glass is 0.5-1t lens glass.
Further, the wave plate is an 1/4 wave plate.
Further, the antireflection film layer comprises a glass base layer 61, and silicon nitride film layers 62 and aluminum oxide film layers 63 are alternately superposed on the surface of the glass base layer; the outermost layer of the antireflection film layer is an alumina film layer. The optical performance of the product can be effectively improved.
Furthermore, the whole lens assembly is of a circular structure. The invention is matched with the appearance of a camera and is designed into a circular structure; the circular structure needs to be matched with a special-shaped glass cutting machine.
Furthermore, the outside of lens subassembly is equipped with apron 7, lens subassembly and apron junction are equipped with sealing layer 8. The cover plate needs silk-screen printing of positioning lines, and marks are made for OCA full lamination; the sealing layer is a UV glue sealing layer, so that the reliability of the product can be improved, and the service life of the product can be prolonged.
Example 3
A vertical orientation liquid crystal light valve lens assembly 10 is characterized by comprising lens glass 1, a wave plate 2, a polarizing filter 3 and a vertical orientation liquid crystal box 4 which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve 5.
In the invention, the electric control light valve is applied to the vertical orientation liquid crystal technology, and has the advantages of high contrast, quick response and the like.
Furthermore, the polarization filters are symmetrically arranged on two sides of the vertical alignment liquid crystal box, and the lens glass is arranged on one side of the polarization filters. The lens glass, the wave plate and the polarizing filter are all round, are processed by applying the processes of a special-shaped die cutter and the like, and are sequentially attached to a vertical orientation liquid crystal box.
Further, the electrically controlled light valve is connected with an electronic automation system (not labeled). The technical scheme of the application is essentially to improve the composition and connection relation of hardware parts, and does not relate to the improvement of a software program or a circuit structure per se.
Further, the vertically aligned liquid crystal cell is an LCD glass liquid crystal cell.
Further, the thickness of the vertical alignment liquid crystal cell is 0.75 mm.
Further, the outer side of the lens glass is provided with the antireflection film layer 6.
Further, the lens glass is 0.5-1t lens glass.
Further, the wave plate is an 1/4 wave plate.
Further, the antireflection film layer comprises a glass base layer 61, and silicon nitride film layers 62 and aluminum oxide film layers 63 are alternately superposed on the surface of the glass base layer; the outermost layer of the antireflection film layer is an alumina film layer. The optical performance of the product can be effectively improved.
Furthermore, the whole lens assembly is of a circular structure. The invention is matched with the appearance of a camera and is designed into a circular structure; the circular structure needs to be matched with a special-shaped glass cutting machine.
Furthermore, the outside of lens subassembly is equipped with apron 7, lens subassembly and apron junction are equipped with sealing layer 8. The cover plate needs silk-screen printing of positioning lines, and marks are made for OCA full lamination; the sealing layer is a UV glue sealing layer, so that the reliability of the product can be improved, and the service life of the product can be prolonged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims (10)

1. The vertical orientation liquid crystal light valve lens component is characterized by comprising lens glass, a wave plate, a polarizing filter and a vertical orientation liquid crystal box which are sequentially arranged, wherein the vertical orientation liquid crystal box is connected with an electric control light valve.
2. The vertically aligned liquid crystal shutter lens assembly of claim 1, wherein the polarizing filter is disposed symmetrically on both sides of the vertically aligned liquid crystal cell and the lens glass is disposed on one side of the polarizing filter.
3. The vertically aligned liquid crystal shutter lens assembly as recited in claim 1, wherein said electrically controlled shutter is coupled to an electronic automation system.
4. The vertically aligned liquid crystal shutter lens assembly according to claim 1, wherein said vertically aligned liquid crystal cell is an LCD glass liquid crystal cell.
5. The vertically aligned liquid crystal shutter assembly according to claim 4, wherein said vertically aligned liquid crystal cell has a thickness of 0.2-0.8 mm.
6. The vertically aligned liquid crystal shutter lens assembly according to claim 5, wherein said vertically aligned liquid crystal cell has a thickness of 0.55 mm.
7. The vertically aligned liquid crystal shutter lens assembly of claim 1, wherein said antireflective coating layer is disposed on the outside of said lens glass.
8. The vertically aligned liquid crystal light valve lens assembly of claim 1, wherein the antireflective film layer comprises a glass substrate layer on the surface of which silicon nitride film layers and aluminum oxide film layers are alternately superimposed; the outermost layer of the antireflection film layer is an alumina film layer.
9. The vertically aligned liquid crystal shutter lens assembly of claim 1, wherein said lens assembly has an overall circular configuration.
10. The vertically aligned liquid crystal shutter lens assembly as claimed in claim 9, wherein a cover plate is disposed on an outer side of said lens assembly, and a sealant layer is disposed at a connection between said lens assembly and said cover plate.
CN202010381541.9A 2020-05-08 2020-05-08 Vertically-oriented liquid crystal light valve lens assembly Pending CN111367102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010381541.9A CN111367102A (en) 2020-05-08 2020-05-08 Vertically-oriented liquid crystal light valve lens assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010381541.9A CN111367102A (en) 2020-05-08 2020-05-08 Vertically-oriented liquid crystal light valve lens assembly

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CN111367102A true CN111367102A (en) 2020-07-03

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003322853A (en) * 2002-05-07 2003-11-14 Seiko Epson Corp Projector
CN101840107A (en) * 2010-05-07 2010-09-22 河北工业大学 Liquid crystal light valve (LCLV) with wide visual angle, high contrast ratio and rapid response
CN101840105A (en) * 2010-05-07 2010-09-22 河北工业大学 High-contrast fast-response liquid crystal light valve
CN202394015U (en) * 2011-08-19 2012-08-22 天马微电子股份有限公司 Liquid crystal lens, liquid crystal light valve spectacles and stereo display system
CN103207498A (en) * 2013-04-12 2013-07-17 深圳市影歌科技有限公司 Dimmable electronic pick glass
CN106094348A (en) * 2016-08-19 2016-11-09 深圳市华星光电技术有限公司 Liquid crystal panel and there is the liquid crystal display of this liquid crystal panel
CN206331206U (en) * 2016-12-08 2017-07-14 深圳市前海打望技术有限公司 A kind of liquid crystal light valve and its telescope
CN108566504A (en) * 2018-05-22 2018-09-21 京东方科技集团股份有限公司 A kind of dual camera module, electronic equipment and its image acquiring method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003322853A (en) * 2002-05-07 2003-11-14 Seiko Epson Corp Projector
CN101840107A (en) * 2010-05-07 2010-09-22 河北工业大学 Liquid crystal light valve (LCLV) with wide visual angle, high contrast ratio and rapid response
CN101840105A (en) * 2010-05-07 2010-09-22 河北工业大学 High-contrast fast-response liquid crystal light valve
CN202394015U (en) * 2011-08-19 2012-08-22 天马微电子股份有限公司 Liquid crystal lens, liquid crystal light valve spectacles and stereo display system
CN103207498A (en) * 2013-04-12 2013-07-17 深圳市影歌科技有限公司 Dimmable electronic pick glass
CN106094348A (en) * 2016-08-19 2016-11-09 深圳市华星光电技术有限公司 Liquid crystal panel and there is the liquid crystal display of this liquid crystal panel
CN206331206U (en) * 2016-12-08 2017-07-14 深圳市前海打望技术有限公司 A kind of liquid crystal light valve and its telescope
CN108566504A (en) * 2018-05-22 2018-09-21 京东方科技集团股份有限公司 A kind of dual camera module, electronic equipment and its image acquiring method

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Application publication date: 20200703