CN103869573A - Base plate for liquid crystal lens, manufacturing method thereof, liquid crystal lens and stereo display device - Google Patents
Base plate for liquid crystal lens, manufacturing method thereof, liquid crystal lens and stereo display device Download PDFInfo
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- CN103869573A CN103869573A CN201410081577.XA CN201410081577A CN103869573A CN 103869573 A CN103869573 A CN 103869573A CN 201410081577 A CN201410081577 A CN 201410081577A CN 103869573 A CN103869573 A CN 103869573A
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- liquid crystal
- crystal lens
- substrate
- electrically conducting
- transparent ink
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/28—Function characteristic focussing or defocussing
Abstract
The invention provides a base plate for a liquid crystal lens, a manufacturing method thereof, the liquid crystal lens and a stereo display device and belongs to the technical field of display. The problem of the present liquid crystal lens of the easy generation of moire patterns caused by the superposition of the light and a black pixel matrix of a display panel resulted from the obvious shearing of light transmittance difference of a bar-shaped electrode and surrounding spacing areas can be solved. The invention provides the liquid crystal lens, the manufacturing method thereof and the stereo display device. The liquid crystal lens comprises the bar-shaped electrode with a closed arc-shaped cross section, wherein the light transmittance difference of the bar-shaped electrode and the surrounding spacing areas is slowly changed, the luminance of the transmitted light is not obviously changed, and the phenomenon of multiple spaced dark and bright alternate stripes is avoided, so that the probability of generating the moire patterns is reduced.
Description
Technical field
The invention belongs to display technique field, be specifically related to a kind of liquid crystal lens substrate and preparation method thereof, liquid crystal lens, 3 d display device.
Background technology
Along with the fast development of stereo display technique, stereoscopic display device has also had more and more a large amount of demands, show that in the middle of numerous technology, bore hole stereo display makes it in 3 D stereo demonstration field, enjoy favor owing to wearing the advantage of special eyeglasses without observer realizing 3 D stereo.
As shown in Figure 1, the ultimate principle that a kind of bore hole 3 D stereo shows is: display panel 20 is divided into viewing area, multiple left and right (L, R), shows respectively two images of seeing, two viewing areas are made up of the bar area of alternative arrangement; And before display panel, being provided with lens 21, lens 21 can (be used a, b by the sub-pixel in different viewing areas in Fig. 1, c, d) light sending concentrates refraction in different area of space, thereby makes people's right and left eyes see respectively the image of different viewing areas, reaches the effect that 3 D stereo shows.The lens of reproducing three-dimensional images can use the liquid crystal lens being formed by liquid crystal layer, it is by electric field driven.
As shown in Figure 2, a kind of structural representation of liquid crystal lens in prior art, liquid crystal lens 100 comprises first substrate 110, second substrate 120, liquid crystal layer 130; Liquid crystal layer 130 is located between first substrate 110, second substrate 120.On the first substrate 111 of first substrate 110, there are the first electrode layer 112 and the first alignment film 113, on the substrate 121 of second substrate 120, have the second electrode lay 122 and the second alignment film 123.
Wherein, first substrate 110 and second substrate 120 relative spacing settings, the first electrode layer 112 is arranged on the first substrate 111 of first substrate 110, is covered by the first alignment film 113, the second electrode lay 122 is arranged on the second substrate 121 of second substrate 120, is covered by the second alignment film 123.The first electrode layer 112 and the second electrode lay 122 be for generation of electric field, drives liquid crystal molecule rotation, thus by light refraction to desired location.
Wherein, the first electrode layer 112 is for comprising multiple spaced strip electrodes 1121, and the xsect of strip electrode 1121 is rectangle, has uniform thickness.
In above-mentioned liquid crystal lens 100 structures, in the time that light is mapped to liquid crystal lens 100 via display panel 20, because the strip electrode 1121 of liquid crystal lens 100 exists transmittance different from interval region around, and there is obvious shear in strip electrode 1121 edges and the around difference of the transmitance of interval region, therefore showing as obvious brightness at light luminance changes, general performance goes out the light and dark striped (being equivalent to liquid crystal lens 100 is gratings) at many intervals, and the black matrix of these interval stripeds and display panel 20 (being equivalent to another grating) is interfered mutually, thereby easily produce moir Lou Lou patterns, weaken the advantage of bore hole stereo display.
As shown in Figure 3 and Figure 4, the xsect of the strip electrode 1121 that prior art adopts is generally trapezoidal or not contour step, although have certain improvement avoiding striped to produce the electrode of relatively rectangular xsect aspect moir Lou Lou patterns, but still have the defect that easily produces moir Lou Lou patterns.Meanwhile, make the repeatedly photoetching of common needs of above-mentioned trapezoidal or step strip electrode 1121, because complex process, flow process are long, cost is very high, is unfavorable for the popularization of bore hole stereo display technique.
Summary of the invention
The liquid crystal lens that the object of the invention is to solve prior art is easy to because strip electrode and the transmittance difference of interval region around exist obvious shear to cause with the black matrix of display panel pixel because stack produces the problem of moir Lou Lou patterns, provides a kind of and can reduce liquid crystal lens substrate that moir Lou Lou patterns produces and preparation method thereof, liquid crystal lens, 3 d display device.
The technical scheme that solution the technology of the present invention problem adopts is a kind of liquid crystal lens substrate, comprise the first substrate and be located at the first electrode layer on described the first substrate, the first electrode layer comprises multiple spaced strip electrodes, and the cross section perpendicular to its bearing of trend of described strip electrode is closed arc; Described closed arc comprises the straight line portion away from the arch section of described the first substrate and close described the first substrate.
Preferably, the height of described closed arc is
Further preferably, the height of described closed arc is
Preferably, the width of described closed arc is 5-20 μ m.
Preferably, described strip electrode is to adopt the preparation of electrically conducting transparent ink.
Preferably, the interelectrode distance of adjacent bar is 10-20 μ m.
Preferably, described electrically conducting transparent ink is water-soluble silver powder.
Preferably, described electrically conducting transparent ink is poly-3,4-ethylene dioxythiophene/poly styrene sulfonate.
Another object of the present invention also comprises the preparation method that a kind of above-mentioned liquid crystal lens substrate is provided, and comprises the following steps:
1) electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, described screen mesh printing plate has bar shaped mesh pattern;
2). after described electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried the strip electrode that acquisition xsect is closed arc.
Preferably, the viscosity of described electrically conducting transparent ink is 3-20p, and the width of described bar shaped mesh is 5-20 μ m, and the described electrically conducting transparent ink diffusion time is 1-15min, the bake out temperature of described electrically conducting transparent ink is that 50-80 DEG C, drying time are 2-8min, and the height of described strip electrode is
Another object of the present invention also comprises provides a kind of liquid crystal lens, comprising: spaced first substrate and second substrate, and liquid crystal layer between described first substrate and described second substrate;
Wherein, the above-mentioned first substrate of described first substrate;
Described second substrate comprises the second substrate and be located at the second electrode lay on the second substrate, and described the first electrode layer and described the second electrode lay are for generation of electric field.
Another object of the present invention also comprises provides a kind of 3 d display device, comprises display panel and is located at the liquid crystal lens outside described display panel exiting surface, and described liquid crystal lens adopts above-mentioned liquid crystal lens.
Liquid crystal lens substrate of the present invention and preparation method thereof, liquid crystal lens, 3 d display device have the following advantages: xsect is that the shape strip electrode of sealing arc becomes slow variation with the transmittance difference of interval region around, the brightness of transmitted light can significant change, there will not be the light and dark striped at many intervals, reduced generation moir Lou Lou patterns probability; Meanwhile, utilize the mobility of electrically conducting transparent ink, electrically conducting transparent ink is spread to both sides, and solidify to form the strip electrode that cross sectional shape is closed arc, the method is made simple, and process simplification, has reduced production cost.
Brief description of the drawings
Fig. 1 is the schematic diagram that prior art bore hole 3 D stereo shows.
Fig. 2 is the structural representation of liquid crystal lens in prior art.
Fig. 3 is the structural representation in prior art with trapezoidal cross-section strip electrode.
Fig. 4 is the structural representation in prior art with not contour step xsect strip electrode.
Fig. 5 is the structural representation of liquid crystal lens substrate and liquid crystal lens in the embodiment of the present invention 1.
Fig. 6 is preparation method's process flow diagram of liquid crystal lens substrate in the embodiment of the present invention 2.
Wherein:
100. liquid crystal lens; 110. first substrate; 111. first substrates; 112. first electrode layers; 1121. strip electrode; 113. first alignment films; 120. second substrate; 121. second substrates; 122. the second electrode lay; 123. second alignment films; 130. liquid crystal layer; 20. display panels; 21. lens.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
As shown in Figure 5, the present embodiment provides a kind of liquid crystal lens substrate 110, comprise the first substrate 111 and be located at the first electrode layer 112 on the first substrate 111, the first electrode layer 112 comprises multiple spaced strip electrodes 1121, and the cross section perpendicular to its bearing of trend of strip electrode 1121 is closed arc; Described closed arc comprises the straight line portion away from the arch section of the first substrate 111 and close the first substrate 111.
The present embodiment also provides a kind of liquid crystal lens 100, comprises first substrate 110, second substrate 120, liquid crystal layer 130, the first electrode layer 112, the second electrode lay 122, the first alignment film 113 and the second alignment film 123;
Wherein, first substrate 110 and second substrate 120 relative spacing settings, liquid crystal layer 130 is between first substrate 110 and second substrate 120, the first electrode layer 112 is arranged on the first substrate 111 of first substrate 110, covered by the first alignment film 113, the second electrode lay 122 is arranged on the second substrate 121 of second substrate 120, is covered by the second alignment film 123;
In the present embodiment, the xsect of the strip electrode 1121 of liquid crystal lens substrate 110 and liquid crystal lens 100 is closed arc, because strip electrode 1121 becomes slowly and changes with the transmittance difference of interval region around, the brightness of transmitted light can significant change, there will not be the light and dark striped at many intervals, reduced generation moir Lou Lou patterns probability.
Preferably, the width of closed arc (length of straight line portion) is 5-20 μ m, and the distance that adjacent bar electrode is 1121 is 10-20 μ m; Above-mentioned width range can better meet 3D and show liquid crystal lens designing requirement.
Preferred strip electrode 1121 is to adopt the preparation of electrically conducting transparent ink, and such material can have certain fluidity on the basis with good electric conductivity, and facilitating xsect is the making of the strip electrode 1121 of closed arc.Should be understood that, existing electrically conducting transparent ink is all suitable for.
Particularly, electrically conducting transparent ink is water-soluble silver powder or poly-3,4-ethylene dioxythiophene/poly styrene sulfonate.
As shown in Figure 6, the present embodiment provides a kind of preparation method of above-mentioned liquid crystal lens substrate, comprises the following steps:
1) electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, described screen mesh printing plate has bar shaped mesh pattern;
2). after electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried the strip electrode that acquisition xsect is closed arc.
Particularly, can adopt the making step with following technological parameter to complete:
1). adjust the viscosity of water-soluble silver powder, making its viscosity is 3-20p, and the present embodiment is 6p; Making has the screen mesh printing plate of bar shaped mesh pattern, wherein, the width 5-20 μ m of bar shaped mesh, the width of mesh is slightly smaller than the length (due to the existence of water-soluble silver powder diffusion) of the straight line portion of closed arc, the width 10 μ m of bar shaped mesh in the present embodiment.
2). water-soluble silver powder is printed on the first substrate 111 by screen mesh printing plate, and while being completed for printing as shown in Figure 3, strip electrode 1121 shape of cross sections are rectangle.
3). by water-soluble silver powder diffusion, diffusion is the time to be generally 1-15min, and the present embodiment is 2min, and as shown in Figure 6, the cross sectional shape that has spread rear strip electrode 1121 is closed arc to the cross sectional shape of the strip electrode 1121 in diffusion.Then strip electrode 1121 is dried, can be dried at 50-80 DEG C, the present embodiment is dry at 60 DEG C, and the dry time can be 2-8min, the present embodiment is 3min, makes the height of strip electrode 1121 be by controlling viscosity, diffusion time and the rate of drying of water-soluble silver powder
the height of the present embodiment strip electrode 1121 is
The preparation of other functional layer of liquid crystal lens 100 can adopt known method preparation, repeats no longer one by one.
The present embodiment adopts the method for screen mesh printing plate printing to prepare the strip electrode 1121 that cross section is closed arc, utilize the mobility of electrically conducting transparent ink (water-soluble silver powder), electrically conducting transparent ink is spread to both sides, electrically conducting transparent ink is spread to both sides, and solidify to form the strip electrode 1121 that cross sectional shape is closed arc, the method is made simple, and process simplification, has reduced production cost.
Should be understood that, electrically conducting transparent ink can be also poly-3,4-ethylene dioxythiophene/poly styrene sulfonate, can regulate above-mentioned preparation parameter, and preparation is highly
strip electrode 1121.
Embodiment 3
The present embodiment provides a kind of 3 d display device, comprises display panel and is located at the liquid crystal lens outside described display panel exiting surface, and described liquid crystal lens adopts above-mentioned liquid crystal lens.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, but the present invention is not limited thereto.This 3 d display device can be: any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The enforcement of this 3 d display device can be referring to above-described embodiment, repeats part and repeats no more.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (12)
1. a liquid crystal lens substrate, comprise the first substrate and be located at the first electrode layer on described the first substrate, the first electrode layer comprises multiple spaced strip electrodes, it is characterized in that, the cross section perpendicular to its bearing of trend of described strip electrode is closed arc; Described closed arc comprises the straight line portion away from the arch section of described the first substrate and close described the first substrate.
2. liquid crystal lens substrate according to claim 1, is characterized in that, the height of described closed arc is
3. liquid crystal lens substrate according to claim 2, is characterized in that, the height of described closed arc is
4. liquid crystal lens substrate according to claim 1, is characterized in that, the width of described closed arc is 5-20 μ m.
5. liquid crystal lens substrate according to claim 1, is characterized in that, the interelectrode distance of adjacent bar is 10-20 μ m.
6. liquid crystal lens substrate according to claim 1, is characterized in that, described strip electrode is to adopt the preparation of electrically conducting transparent ink.
7. liquid crystal lens substrate according to claim 6, is characterized in that, described electrically conducting transparent ink is water-soluble silver powder.
8. liquid crystal lens substrate according to claim 6, is characterized in that, described electrically conducting transparent ink is poly-3,4-ethylene dioxythiophene/poly styrene sulfonate.
9. a preparation method for the liquid crystal lens substrate as described in as arbitrary in claim 1-8, is characterized in that, comprises the following steps:
1) electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, described screen mesh printing plate has bar shaped mesh pattern;
2). after described electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried the strip electrode that acquisition xsect is closed arc.
10. the preparation method of a liquid crystal lens substrate as claimed in claim 9, the viscosity of described electrically conducting transparent ink is 3-20p, the width of described bar shaped mesh is 5-20 μ m, the described electrically conducting transparent ink diffusion time is 1-15min, the bake out temperature of described electrically conducting transparent ink is that 50-80 DEG C, drying time are 2-8min, and the height of described strip electrode is
11. 1 kinds of liquid crystal lens, comprising: spaced first substrate and second substrate, and liquid crystal layer between described first substrate and described second substrate;
It is characterized in that, described first substrate is arbitrary described first substrate in claim 1 to 8;
Described second substrate comprises the second substrate and be located at the second electrode lay on the second substrate, and described the first electrode layer and described the second electrode lay are for generation of electric field.
12. 1 kinds of 3 d display devices, comprise display panel and are located at the liquid crystal lens outside described display panel exiting surface, described liquid crystal lens adopts liquid crystal lens as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081577.XA CN103869573B (en) | 2014-03-06 | 2014-03-06 | A kind of preparation method of liquid crystal lens substrate |
| PCT/CN2014/091388 WO2015131552A1 (en) | 2014-03-06 | 2014-11-18 | Substrate for liquid crystal lens and preparation method therefor, liquid crystal lens and stereoscopic display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081577.XA CN103869573B (en) | 2014-03-06 | 2014-03-06 | A kind of preparation method of liquid crystal lens substrate |
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| Publication Number | Publication Date |
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| CN103869573A true CN103869573A (en) | 2014-06-18 |
| CN103869573B CN103869573B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410081577.XA Expired - Fee Related CN103869573B (en) | 2014-03-06 | 2014-03-06 | A kind of preparation method of liquid crystal lens substrate |
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| Country | Link |
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| CN (1) | CN103869573B (en) |
| WO (1) | WO2015131552A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597683A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens capable of displaying in multiple directions and liquid crystal display device |
| CN104597685A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens and liquid crystal display device |
| CN104597684A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens and liquid crystal display device based on naked eye three-dimensional display |
| WO2015131552A1 (en) * | 2014-03-06 | 2015-09-11 | 京东方科技集团股份有限公司 | Substrate for liquid crystal lens and preparation method therefor, liquid crystal lens and stereoscopic display device |
| CN110471233A (en) * | 2019-08-26 | 2019-11-19 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113900273B (en) * | 2021-10-09 | 2023-12-26 | 广东未来科技有限公司 | Naked eye 3D display method and related equipment |
| CN115390303A (en) * | 2022-09-19 | 2022-11-25 | 长春市芳冠电子科技有限公司 | Preparation process of liquid crystal display screen and liquid crystal display screen |
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| US6859333B1 (en) * | 2004-01-27 | 2005-02-22 | Research Foundation Of The University Of Central Florida | Adaptive liquid crystal lenses |
| CN101261560A (en) * | 2008-04-17 | 2008-09-10 | 张树峰 | Touch screen electrode preparation method |
| CN102253562A (en) * | 2011-07-13 | 2011-11-23 | 深圳超多维光电子有限公司 | Stereo display device and liquid crystal lens thereof |
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| CN103345082A (en) * | 2013-07-05 | 2013-10-09 | 深圳超多维光电子有限公司 | Liquid crystal lens, stereo display method and stereo display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869573B (en) * | 2014-03-06 | 2017-10-27 | 京东方科技集团股份有限公司 | A kind of preparation method of liquid crystal lens substrate |
-
2014
- 2014-03-06 CN CN201410081577.XA patent/CN103869573B/en not_active Expired - Fee Related
- 2014-11-18 WO PCT/CN2014/091388 patent/WO2015131552A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6859333B1 (en) * | 2004-01-27 | 2005-02-22 | Research Foundation Of The University Of Central Florida | Adaptive liquid crystal lenses |
| CN101261560A (en) * | 2008-04-17 | 2008-09-10 | 张树峰 | Touch screen electrode preparation method |
| US20120013606A1 (en) * | 2010-07-16 | 2012-01-19 | Au Optronics Corporation | Parallax Barrier and Application Thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015131552A1 (en) * | 2014-03-06 | 2015-09-11 | 京东方科技集团股份有限公司 | Substrate for liquid crystal lens and preparation method therefor, liquid crystal lens and stereoscopic display device |
| CN104597683A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens capable of displaying in multiple directions and liquid crystal display device |
| CN104597685A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens and liquid crystal display device |
| CN104597684A (en) * | 2014-12-30 | 2015-05-06 | 深圳市亿思达科技集团有限公司 | Liquid crystal lens and liquid crystal display device based on naked eye three-dimensional display |
| CN110471233A (en) * | 2019-08-26 | 2019-11-19 | 京东方科技集团股份有限公司 | Liquid crystal lens and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015131552A1 (en) | 2015-09-11 |
| CN103869573B (en) | 2017-10-27 |
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