CN103792754A - Liquid crystal lens array based on ultraviolet lighting scanning photoconduction materials to form lens pixels - Google Patents
Liquid crystal lens array based on ultraviolet lighting scanning photoconduction materials to form lens pixels Download PDFInfo
- Publication number
- CN103792754A CN103792754A CN201310113813.7A CN201310113813A CN103792754A CN 103792754 A CN103792754 A CN 103792754A CN 201310113813 A CN201310113813 A CN 201310113813A CN 103792754 A CN103792754 A CN 103792754A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- layer
- ultraviolet light
- crystal lens
- lens
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a liquid crystal lens and array, in particular to the technical field of an a focus-adjustable liquid crystal lens and array based on photoconduction materials. The liquid crystal lens array sequentially comprises rear substrate glass, a public electrode layer, a rear orientation layer, a front orientation layer, a photoconduction material layer, a pixel electrode layer formed by a transparent conducting film and front substrate glass from top to bottom, wherein a lining layer is disposed between the rear orientation layer and the front orientation layer, and the lining layer is filled with nematic-phase liquid crystals. The liquid crystal lens array has the advantages that electric filed distribution is adjusted through the photoconduction material layer, the spatial resistance distribution of the photoconduction material layer is controlled by control the incident violet light intensity and time, and an ideal electric field distribution curve can be obtained; appropriate photoconduction material and liquid crystal material parameters can be selected, and large focus adjustable range is achieved; the nematic-phase liquid crystals or blue-phase liquid crystals can be selected, and the blue-phase liquid crystals are fast in responds and irrelevant to polarization; the manufacturing process of the liquid crystal lens array is compatible with existing micro-electronics manufacturing processes.
Description
Technical field
The present invention relates to a kind of liquid crystal lens and array, relate in particular to a kind of adjustable focus liquid crystal lens based on photoconductive material and the technical field of array.
Background technology
The advantages such as it is little that liquid crystal lens array device has volume, lightweight, and power consumption is little, its feature that realizes adjustable focal length without mechanical part shows exclusive advantage.Through development in recent years, liquid crystal Zoom lens and array have great potential using value in various fields such as optical communication device, fiber switch, light deflector part, 3D demonstration, integrated image system and image processing.
The basic mechanism that adjustable focal length liquid crystal lens forms is at present to produce in the middle of modulation lens and the optical path difference at edge, forms the profile that graded index changes, to realize the variation of Electric Field Modulated focal length in liquid crystal lens.Realize the variation of graded index and whether evenly classify by thickness of liquid crystal layer, mainly contain two kinds, be i.e. even thickness of liquid crystal layer structure and non-homogeneous thickness of liquid crystal layer structure.
Evenly thickness of liquid crystal layer structure, adopts the parallel-oriented parallel evenly distributed liquid crystal that forms at the liquid crystal display being made up of upper and lower two glass substrates.Prebasal plate, from glass substrate, is respectively public relations electrode layer, oriented layer; Metacoxal plate, from glass substrate, is circle hole shape electrode layer, oriented layer successively.The thickness of liquid crystal display is determined by the liner that is dispersed in glass substrate inside surface, the inner perfusion of liquid crystal display nematic liquid crystal.The principle of work of circular hole electrode structure liquid crystal Zoom lens is to apply operating voltage in circular hole row electrode layer, producing inhomogeneous field at liquid crystal region distributes, liquid crystal molecule is under non-uniform electric field effect, there is non-homogeneous deflection, cause its refractive index spatial to distribute non-uniform change also occurs, thereby make light beam focus on ad-hoc location.In the time that regulation and control voltage changes, lenticule focal position changes, thereby has completed the regulation process of lenticule focal position.
Non-homogeneous thickness of liquid crystal layer structure, the liquid crystal in regulation and control region is concave surface or convex-surface type structure, is adopted the method controls such as photoetching or mold pressing by polymkeric substance, and upper lower glass substrate electrode layer is plane or is curved surface with polymer three-dimensional structure.Utilize the refringence of polymeric material and liquid crystal material, form a microlens structure, make light beam focus on ad-hoc location.While applying voltage, liquid-crystal refractive-index changes with voltage, thereby realizes lenticular focus controlling.
Along with the development of the technology such as 3-D display and optical communication, liquid crystal lens focal length variations area requirement is further improved.
Summary of the invention
The object of the invention is to provide one can Control of Voltage liquid crystal lens focal length variations, and focusing range is large, and with the liquid crystal display manufacturing process compatible liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material mutually.
A kind of liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material, its structure mainly contains front substrate glasses, thickness is 0.4-1.1mm, the pixel electrode that transparent conductive film forms, what the methods such as employing spin coating, printing obtained covers photoconductive material layer on pixel electrode, photoconductive material tunic is thick is 10nm-10mm, covers the front oriented layer on photoconductive material layer, and thickness is 100nm-5um.Also comprise rear substrate glasses, thickness is 0.4-1.1mm, and the public electrode that transparent conductive film forms, covers the rear oriented layer on public electrode, and thickness is 100nm-5um.Front and back substrate glasses is carried out respectively to friction orientation, make the parallel or antiparallel of front-back baseboard frictional direction.Adopt certain thickness laying that front substrate glasses and rear substrate glasses are sealed into certain thickness liquid crystal display, the thickness of laying is 2um-500um, pours into nematic liquid crystal.
A kind of liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material, its structure mainly contains front substrate glasses, thickness is 0.4-1.1mm, the pixel electrode that transparent conductive film forms, what the methods such as employing spin coating, printing obtained covers photoconductive material layer on pixel electrode, and photoconductive material tunic is thick is 10nm-10mm.Also comprise rear substrate glasses, thickness is 0.4-1.1mm, the public electrode that transparent conductive film forms.Adopt certain thickness laying that front substrate glasses and rear substrate glasses are sealed into certain thickness liquid crystal display, the thickness of laying is 2um-500um, pours into blue phase liquid crystal.
For example polyvinylcarbazole of photoconductive material of the present invention is insulating without under light conditions, has electric conductivity after UV-irradiation, and resistance size can be by ultraviolet light light intensity and irradiation time control.
The present invention, by utilizing the method control zones of different UV-irradiation intensity of programming Control UV-irradiation region, light intensity and irradiation time, realizes the space distribution control of photoconductive material resistance size, forms lens pixel.
The method that the present invention controls irradiating ultraviolet light by design realizes the space distribution control to photoconductive material resistance size, and controlling pattern of pixels can be strip simultaneously, rectangle, and regular polygon or circular hole, width or diameter are 5um-10mm.
Space periodicity ultraviolet light of the present invention light distribution can be successively decreased to center by pattern of pixels edge or increase progressively.
Form the principle of work of the liquid crystal lens array of lens pixel based on ultraviolet light scan light conducting material, by programming Control UV-irradiation region, intensity and time, obtain the light distribution of space periodicity ultraviolet light, thereby control the resistance space distribution of photoelectric material layer.In the time that irradiating ultraviolet light light intensity is successively decreased to pixel center by pixel edge, pixel edge is accepted ultraviolet light and is greater than pixel center, and photoelectric material resistance is increased progressively to pixel center by pixel edge.Between pixel electrode and public electrode, apply ac square-wave voltage, due to the effect of photoelectric material, the magnitude of voltage being applied on liquid crystal is successively decreased to pixel center by pixel edge, is convex lens.In the time that irradiating ultraviolet light light intensity is increased progressively to pixel center by pixel edge, photoelectric material resistance is successively decreased to pixel center by pixel edge.Between pixel electrode and public electrode, apply ac square-wave voltage, due to the effect of photoelectric material, the magnitude of voltage being applied on liquid crystal is increased progressively to pixel center by pixel edge, is concavees lens.
Reasonable, photoelectric material layer resistance space distribution of the present invention is obtained by control cycle ultraviolet light light intensity and time.
Reasonable, photoelectric material layer resistance space distribution of the present invention, focal length of lens size and lens zooming range were determined jointly by photoelectric material characteristic, ultraviolet light light intensity, UV-irradiation region and UV-irradiation time.
Reasonable, the present invention can be by controlling the pattern control lens shape of UV-irradiation light distribution.
Reasonable be photoelectric material layer of the present invention by spin coating, the methods such as printing obtain.
Reasonable, liquid crystal lens of the present invention aperture is determined by UV-irradiation light distribution pattern of pixels, can be strip, rectangle, and regular polygon or circular hole, width or diameter are 5um-10mm.
Reasonable, space periodicity ultraviolet light light distribution pattern of pixels of the present invention can transmitance can increase progressively from edge to center or successively decrease.
Reasonable, the thickness of photoelectric material layer of the present invention is 10nm-10mm, and after UV-irradiation, resistance is 10 Ω-100M Ω.
The present invention adopts technique scheme compared with prior art, has following beneficial effect:
1, the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material of the present invention, utilize photoelectric material layer to regulate Electric Field Distribution, control incident uv light intensity and time by control and control photoelectric material sheaf space resistance and distribute, can obtain desirable Electric Field Distribution curve.
2, the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material of the present invention, can select suitable photoelectric material and liquid crystal material parameter, and adjustable focal length scope is large.
3, the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material of the present invention, can select nematic liquid crystal or blue phase liquid crystal, adopts blue phase liquid crystal to have the response time soon and the characteristic of polarization irrelevant.
4, liquid crystal lens array, its manufacture craft and the existing microelectronic processing technology compatibility that forms lens pixel based on ultraviolet light scan light conducting material of the present invention.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is another kind of structural representation of the present invention.
Fig. 3 is the design diagram of pattern of pixels of the present invention.
In figure: 1, front substrate glasses; 2, pixel electrode; 3, photoconductive material layer; 4, front oriented layer; 5, rear substrate glasses; 6, public electrode; 7, rear oriented layer; 8, laying; 9, nematic liquid crystal; 10, blue phase liquid crystal; 11, pattern of pixels.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated:
Embodiment mono-, the nematic liquid crystal lens arra based on ultraviolet light scan light conducting material formation lens pixel:
As shown in Figure 1, a kind of nematic liquid crystal lens arra that forms lens pixel based on ultraviolet light scan light conducting material, its structure mainly contains front substrate glasses 1, the pixel electrode 2 that transparent conductive film forms, what the methods such as employing spin coating, printing obtained covers photoconductive material layer 3 on pixel electrode 2, covers the front oriented layer 4 on photoconductive material layer 3.Also comprise rear substrate glasses 5, the public electrode 6 that transparent conductive film forms, covers the rear oriented layer 7 on public electrode 6.Front and back substrate glasses is carried out respectively to friction orientation, make the parallel or antiparallel of front-back baseboard frictional direction.Adopt certain thickness laying 8 that front substrate glasses and rear substrate glasses are sealed into certain thickness liquid crystal display, pour into nematic liquid crystal 9.
The principle of work of being somebody's turn to do the nematic liquid crystal lens arra based on ultraviolet light scan light conducting material formation lens pixel is as follows: between public electrode 6 and pixel electrode 2, apply ac square-wave voltage.By programming Control UV-irradiation region, intensity and time, obtain the light distribution of space periodicity ultraviolet light, thereby control the resistance space distribution of photoelectric material layer 3.In the time that irradiating ultraviolet light light intensity is successively decreased to pixel center by pixel edge, pixel edge is accepted ultraviolet light and is greater than pixel center, and photoelectric material 3 resistances are increased progressively to pixel center by pixel edge.Be applied to voltage on nematic liquid crystal 9 and successively decrease to lens center from rims of the lens, nematic liquid crystal 9 molecules that are arranged in parallel, under electric field action, are arranged along direction of an electric field, form inclination angle theta (z).Due to from rims of the lens to lens center voltage grading, there is non-homogeneous deflection in liquid crystal 9 molecules, causes its refractive index spatial to distribute non-uniform change also occurs, produce different phase delay δ, thereby make light beam focus on ad-hoc location, be convex lens, as shown in Figure 2.In the time that irradiating ultraviolet light light intensity is increased progressively to pixel center by pixel edge, pixel edge is accepted ultraviolet light and is less than pixel center, and photoconductive material 3 resistances are successively decreased to pixel center by pixel edge.Be applied to voltage on nematic liquid crystal 9 and increase progressively to lens center from rims of the lens, nematic liquid crystal 9 molecules that are arranged in parallel, under electric field action, are arranged along direction of an electric field, form inclination angle theta (z).Owing to increasing progressively to lens center voltage from rims of the lens, there is non-homogeneous deflection in liquid crystal 9 molecules, causes its refractive index spatial to distribute non-uniform change also occurs, and produces different phase delay δ, thereby incident beam is dispersed, and is concavees lens, as shown in Figure 2.
Embodiment bis-, the blue phase liquid crystal lens arra based on ultraviolet light scan light conducting material formation lens pixel:
As shown in Figure 3, a kind of blue phase liquid crystal lens arra that forms lens pixel based on ultraviolet light scan light conducting material, its structure mainly contains front substrate glasses 1, the pixel electrode 2 that transparent conductive film forms, what the methods such as employing spin coating, printing obtained covers photoconductive material layer 3 on pixel electrode 2, rear substrate glasses 5, the public electrode 6 that transparent conductive film forms forms.Adopt certain thickness laying 8 that front substrate glasses and rear substrate glasses are sealed into certain thickness liquid crystal display, pour into blue phase liquid crystal 10.
The principle of work of being somebody's turn to do the blue phase liquid crystal lens arra based on ultraviolet light scan light conducting material formation lens pixel is as follows: between public electrode 6 and pixel electrode 2, apply ac square-wave voltage.In the time that irradiating ultraviolet light light intensity is successively decreased to pixel center by pixel edge, pixel edge is accepted ultraviolet light and is greater than pixel center, and photoconductive material 3 resistances are increased progressively to pixel center by pixel edge.Due to Kerr effect, under electric field action, blue phase liquid crystal 10 produces electric field induced refractive index changes delta n, therefore refractive index spatial distribute also produce non-homogeneous, thereby make light beam focus on ad-hoc location, be convex lens.In the time that irradiating ultraviolet light light intensity is increased progressively to pixel center by pixel edge, pixel edge is accepted ultraviolet light and is less than pixel center, and photoconductive material 3 resistances are successively decreased to pixel center by pixel edge.Due to Kerr effect, under electric field action, blue phase liquid crystal 10 produces electric field induced refractive index changes delta n, and therefore refractive index spatial distributes and also produces non-homogeneously, and incident beam is dispersed, and is concavees lens.
In above-described embodiment one, embodiment bis-, can design gray scale mask plate pattern is strip, rectangle, and regular polygon or circular hole, form the adjustable liquid crystal microlens array of various shapes, as shown in Figure 3.The present embodiment has only provided the concrete example application of part, but for being engaged in the patent personnel of flat-panel monitor, also can design various deformation product according to above enlightenment, and this is still considered to be covered by among the present invention.
Claims (10)
1. one kind forms the liquid crystal lens array of lens pixel based on ultraviolet light scan light conducting material, it is characterized in that cloth postpone substrate glasses (5), common electrode layer (6), rear oriented layer (7), front oriented layer (4), photoconductive material layer (3), transparent conductive film form successively pixel electrode layer (2), front substrate glasses (1) from top to bottom, between rear oriented layer (7), front oriented layer (4), arrange laying (8), in laying (8), pour into nematic liquid crystal (9).
2. one kind forms the liquid crystal lens array of lens pixel based on ultraviolet light scan light conducting material, it is characterized in that cloth postpone substrate glasses (5), common electrode layer (6), photoconductive material layer (3), transparent conductive film form successively pixel electrode layer (2), front substrate glasses (1) from top to bottom, common electrode layer (6), photoconductive material layer (3) are arranged laying (8), pour into blue phase liquid crystal (10) in laying (8).
3. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1, is characterized in that the thickness of above-mentioned front oriented layer (4), rear oriented layer (7) is 100nm-5um.
4. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, is characterized in that the thickness of above-mentioned front substrate glasses (1), rear substrate glasses (5) is 0.4-1.1mm.
5. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, the thickness that it is characterized in that above-mentioned laying (8) is 2um-500um.
6. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, it is characterized in that by controlling UV-irradiation region, intensity and time, obtain the light distribution of space periodicity ultraviolet light, thereby control the resistance space distribution of photoconductive material layer (3), thereby form lens pixel.
7. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 6, its feature is passing through to control ultraviolet light light intensity space distribution, the pattern of pixels (11) of controlling on photoconductive material layer (3) is strip, rectangle, regular polygon or circular hole, and width or diameter are 5um-10mm.
8. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, it is characterized in that controlling UV-irradiation region, intensity and time, make pattern of pixels (11) regulate photoconductive material resistance increase progressively from edge to center or successively decrease, thereby realize convex lens or concavees lens control.
9. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, is characterized in that above-mentioned photoconductive material layer (3) obtains by spin coating, printing process.
10. the liquid crystal lens array that forms lens pixel based on ultraviolet light scan light conducting material according to claim 1 and 2, the thickness that it is characterized in that above-mentioned photoconductive material layer (3) is 10nm-10mm, and after UV-irradiation, resistance is 10 Ω-100M Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113813.7A CN103792754B (en) | 2013-04-03 | 2013-04-03 | The liquid crystal lens array of lenses pixel is formed based on ultraviolet light scanning photoconductive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113813.7A CN103792754B (en) | 2013-04-03 | 2013-04-03 | The liquid crystal lens array of lenses pixel is formed based on ultraviolet light scanning photoconductive material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103792754A true CN103792754A (en) | 2014-05-14 |
| CN103792754B CN103792754B (en) | 2016-08-17 |
Family
ID=50668578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310113813.7A Active CN103792754B (en) | 2013-04-03 | 2013-04-03 | The liquid crystal lens array of lenses pixel is formed based on ultraviolet light scanning photoconductive material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103792754B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483687A (en) * | 2015-08-28 | 2017-03-08 | 东芝照明技术株式会社 | The manufacture device of liquid crystal panel |
| CN109491168A (en) * | 2018-11-05 | 2019-03-19 | 厦门大学 | A kind of light-operated switching method of cholesteric liquid crystal fingerprint texture |
| CN110275363A (en) * | 2019-06-21 | 2019-09-24 | 大连海事大学 | A kind of low aberrations mode electrode liquid crystal lens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651341A (en) * | 1992-07-31 | 1994-02-25 | Nippon Hoso Kyokai <Nhk> | Spatial optical modulation element |
| CN1367398A (en) * | 2001-08-14 | 2002-09-04 | 中国科学院长春光学精密机械与物理研究所 | Continuous vari-focus Fresnel lens |
| CN1721926A (en) * | 2004-06-11 | 2006-01-18 | 精工爱普生株式会社 | Electro-optical device, method of manufacturing the same, and electronic apparatus using electro-optical device |
| CN102067242A (en) * | 2008-06-21 | 2011-05-18 | 兰斯维克多公司 | Electro-optical devices using dynamic reconfiguration of effective electrode structures |
| CN102902129A (en) * | 2012-11-14 | 2013-01-30 | 中航华东光电有限公司 | Liquid crystal lens |
-
2013
- 2013-04-03 CN CN201310113813.7A patent/CN103792754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651341A (en) * | 1992-07-31 | 1994-02-25 | Nippon Hoso Kyokai <Nhk> | Spatial optical modulation element |
| CN1367398A (en) * | 2001-08-14 | 2002-09-04 | 中国科学院长春光学精密机械与物理研究所 | Continuous vari-focus Fresnel lens |
| CN1721926A (en) * | 2004-06-11 | 2006-01-18 | 精工爱普生株式会社 | Electro-optical device, method of manufacturing the same, and electronic apparatus using electro-optical device |
| CN102067242A (en) * | 2008-06-21 | 2011-05-18 | 兰斯维克多公司 | Electro-optical devices using dynamic reconfiguration of effective electrode structures |
| CN102902129A (en) * | 2012-11-14 | 2013-01-30 | 中航华东光电有限公司 | Liquid crystal lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483687A (en) * | 2015-08-28 | 2017-03-08 | 东芝照明技术株式会社 | The manufacture device of liquid crystal panel |
| CN109491168A (en) * | 2018-11-05 | 2019-03-19 | 厦门大学 | A kind of light-operated switching method of cholesteric liquid crystal fingerprint texture |
| CN110275363A (en) * | 2019-06-21 | 2019-09-24 | 大连海事大学 | A kind of low aberrations mode electrode liquid crystal lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103792754B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103217850B (en) | A kind of liquid crystal lens based on photoconductive material and array | |
| CN103217849B (en) | A kind of focus adjustable liquid crystal microlens array | |
| CN103076706B (en) | Focal length adjustable liquid crystal micro-lens array | |
| JP6162930B2 (en) | Liquid crystal lens and display device | |
| CN102314014B (en) | Switchable 3-dimensional conversion device, method for manufacturing the same and stereoscopic image display device using the same | |
| CN102207632B (en) | Stereoscopic display | |
| JP2013015809A (en) | Liquid crystal lens and display including the same | |
| CN111427216B (en) | Focal length adjustable liquid crystal micro lens array and preparation method thereof | |
| US10025134B2 (en) | Liquid crystal lens and manufacturing methods thereof, manufacturing apparatus therefor and 3D display device | |
| CN109328312B (en) | Active lens structure and method for manufacturing the same | |
| CN106094068A (en) | Electrooptical material column lens array structure and the display device including it | |
| CN103792754B (en) | The liquid crystal lens array of lenses pixel is formed based on ultraviolet light scanning photoconductive material | |
| KR20090047933A (en) | Method and apparatus for 2d-3d convertible display, and method of manufacturing liquid crystal microlens array for 2d-3d convertible display | |
| KR101341006B1 (en) | three-dimensional image optical panel of manufacturing method | |
| CN108572473B (en) | A kind of double dielectric layer blue phase liquid crystal lens arrays | |
| US20120206666A1 (en) | Display device using switching panel and method for manufacturing switching panel | |
| CN103913879B (en) | The forming method of liquid crystal lens, 3 d display device and the liquid crystal lens | |
| CN103091927B (en) | A kind of Schema control cascade connection type liquid crystal microlens array | |
| CN103091928A (en) | Electrically-controlled focal-adjustable liquid crystal lens array | |
| CN202275241U (en) | Novel 3D (three-dimensional) display | |
| CN103076705A (en) | Polarization control-based electrical control focusable liquid crystal lens and array | |
| WO2022267545A1 (en) | Switchable liquid crystal optical device | |
| CN104049372B (en) | 2d/3d switchable display device | |
| CN102707343A (en) | Fresnel lens structure for switching plane display and three-dimensional display and manufacturing method thereof | |
| KR20090047070A (en) | Method and apparatus for 2d-3d convertible display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |