CN103869573B - A kind of preparation method of liquid crystal lens substrate - Google Patents
A kind of preparation method of liquid crystal lens substrate Download PDFInfo
- Publication number
- CN103869573B CN103869573B CN201410081577.XA CN201410081577A CN103869573B CN 103869573 B CN103869573 B CN 103869573B CN 201410081577 A CN201410081577 A CN 201410081577A CN 103869573 B CN103869573 B CN 103869573B
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- China
- Prior art keywords
- liquid crystal
- crystal lens
- preparation
- electrically conducting
- conducting transparent
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Classifications
-
- 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 present invention provides a kind of liquid crystal lens substrate and preparation method thereof, liquid crystal lens, 3 d display device, belong to Display Technique section field, it can solve existing liquid crystal lens because strip electrode with the transmissivity difference in ambient separation region has the problem of obvious shear causes to be easy to produce moir patterns because being superimposed with display panel pixel black matrix.Liquid crystal lens of the present invention and preparation method thereof, 3 d display device, including the strip electrode that cross section is closed arc, the transmissivity difference in the strip electrode and ambient separation region is into slowly varying, the brightness of transmitted light will not significant change, be not in the light and dark striped at a plurality of interval, reduce generation moir patterns probability.
Description
Technical field
The invention belongs to display technology field, and in particular to a kind of liquid crystal lens substrate and preparation method thereof, liquid crystal lens,
3 d display device.
Background technology
With the fast development of stereo display technique, stereoscopic display device there has also been more and more substantial amounts of demand, realize
3 D stereo shown among numerous technologies, bore hole stereoscopic display due to worn without observer special eyeglasses advantage so that it
Favor is enjoyed in 3 D stereo display field.
As shown in figure 1, a kind of general principle of naked eye three-dimensional stereoscopic display is：20 points of display panel is multiple left and right（L,
R）Viewing area, shows two images seen, two viewing areas are made up of the bar area being alternately arranged respectively；And display panel
Preceding to be provided with lens 21, lens 21 can be by the sub-pixel in different viewing areas（A, b, c, d are used in Fig. 1）The light that sends concentrate refraction to
In different area of space, so as to make the right and left eyes of people that the image of different viewing areas is respectively seen, reach what 3 D stereo was shown
Effect.The liquid crystal lens being made up of liquid crystal layer can be used by reproducing the lens of 3-D view, and it is by electric field driven.
As shown in Fig. 2 a kind of structural representation of liquid crystal lens in the prior art, liquid crystal lens 100 include first substrate
110th, second substrate 120, liquid crystal layer 130；Liquid crystal layer 130 is located between first substrate 110, second substrate 120.First substrate
Having on 110 the first substrate 111 on the alignment film 113 of first electrode layer 112 and first, the substrate 121 of second substrate 120 has second
The alignment film 123 of electrode layer 122 and second.
Wherein, first substrate 110 and the relative spacing of second substrate 120 are set, and first electrode layer 112 is arranged on first substrate
On 110 the first substrate 111, covered by the first alignment film 113, the second electrode lay 122 is arranged on the second lining of second substrate 120
On bottom 121, covered by the second alignment film 123.First electrode layer 112 and the second electrode lay 122 are used to produce electric field, drive liquid crystal
Molecule rotates, so that light is reflected to required position.
Wherein, first electrode layer 112 is to include multiple spaced strip electrodes 1121, the horizontal stroke of strip electrode 1121
Section is rectangle, with uniform thickness.
In the above-mentioned structure of liquid crystal lens 100, when light is mapped to liquid crystal lens 100 via display panel 20, due to
It is different to there is light transmittance in the strip electrode 1121 of liquid crystal lens 100 and ambient separation region, and the edge of strip electrode 1121 and week
There is obvious shear in the difference for enclosing the transmitance of interval region, therefore be to show as obvious brightness change in light luminance, whole
Body surface reveals the light and dark striped at a plurality of interval（It is a grating equivalent to liquid crystal lens 100）, and these interval stripeds
With the black matrix of display panel 20（Equivalent to another grating）Interfere, so as to easily produce moir patterns, reduce bore hole
The advantage of stereoscopic display.
As shown in Figure 3 and Figure 4, the cross section for the strip electrode 1121 that prior art is used is generally the trapezoidal or plateau such as not
It is stepped, although the electrode of relatively rectangular cross section has certain improvement in terms of avoiding striped from producing moir patterns, but still deposits
It is being also easy to produce the defect of moir patterns.Meanwhile, making is above-mentioned trapezoidal or step strip electrode 1121 to usually require multiple photoetching,
Because complex process, flow are longer, cost is very high, it is unfavorable for the popularization of bore hole stereoscopic display technology.
The content of the invention
Present invention aim to address the liquid crystal lens of prior art due to strip electrode and the printing opacity in ambient separation region
Rate difference has the problem of obvious shear causes to be easy to produce moir patterns because being superimposed with display panel pixel black matrix, and there is provided one
Liquid crystal lens substrate that moir patterns are produced and preparation method thereof, liquid crystal lens, 3 d display device can be reduced by planting.
It is a kind of liquid crystal lens substrate to solve the technical scheme that is used of present invention problem, including the first substrate and is set
First electrode layer on first substrate, first electrode layer includes multiple spaced strip electrodes, the bar shaped electricity
The section perpendicular to its bearing of trend of pole is closed arc；The closed arc includes the curved portions away from first substrate
Divide and close to the straight line portion of first substrate.
Preferably, the height of the closed arc is
It may further be preferable that the height of the closed arc is
Preferably, the width of the closed arc is 5-20 μm.
Preferably, the strip electrode is prepared using electrically conducting transparent ink.
Preferably, the interelectrode distance of adjacent bar is 10-20 μm.
Preferably, the electrically conducting transparent ink is water-soluble silver powder.
Preferably, the electrically conducting transparent ink is poly- 3,4-ethylene dioxythiophene/poly styrene sulfonate.
Another object of the present invention also includes providing a kind of preparation method of above-mentioned liquid crystal lens substrate, including following step
Suddenly：
1）Electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, the screen mesh printing plate has bar shaped mesh
Pattern；
2）After the electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried, the bar that cross section is closed arc is obtained
Shape electrode.
Preferably, the viscosity of the electrically conducting transparent ink is 3-20p, and the width of the bar shaped mesh is 5-20 μm, institute
The electrically conducting transparent ink diffusion time is stated for 1-15min, the drying temperature of the electrically conducting transparent ink is 50-80 DEG C, drying time
For 2-8min, the height of the strip electrode is
Another object of the present invention also includes providing a kind of liquid crystal lens, including：Spaced first substrate and
Two substrates, and the liquid crystal layer between the first substrate and the second substrate；
Wherein, the above-mentioned first substrate of the first substrate；
The second substrate includes the second substrate and the second electrode lay that is located on the second substrate, the first electrode layer and
The second electrode lay is used to produce electric field.
Another object of the present invention also includes providing a kind of 3 d display device, including display panel and located at described aobvious
Show the liquid crystal lens outside panel exiting surface, the liquid crystal lens use 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 advantages below：It is horizontal
Section for shape strip electrode and the ambient separation region of closing arc transmissivity difference into slowly varying, the brightness of transmitted light is not
Meeting significant change, is not in the light and dark striped at a plurality of interval, reduces generation moir patterns probability；Meanwhile, using saturating
The mobility of bright electrically conductive ink, makes electrically conducting transparent ink be spread to both sides, and solidify to form the bar that cross sectional shape is closed arc
Shape electrode, this method makes simple, and process simplification reduces production cost.
Brief description of the drawings
Fig. 1 is the schematic diagram of prior art naked eye three-dimensional stereoscopic display.
Fig. 2 is the structural representation of liquid crystal lens in the prior art.
Fig. 3 is the structural representation with trapezoidal cross-section strip electrode in the prior art.
Fig. 4 is the structural representation with not contour step cross section strip electrode in the prior art.
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 the preparation method flow chart of liquid crystal lens substrate in the embodiment of the present invention 2.
Wherein：
100. liquid crystal lens；110. first substrate；111. the first substrate；112. first electrode layer；1121. strip electrode；
113. the first alignment film；120. second substrate；121. the second substrate；122. the second electrode lay；123. the second alignment film；130. liquid
Crystal layer；20. display panel；21. lens.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Embodiment 1
As shown in figure 5, the present embodiment provides a kind of liquid crystal lens substrate 110, including the first substrate 111 and it is located at the first lining
First electrode layer 112 on bottom 111, first electrode layer 112 includes multiple spaced strip electrodes 1121, strip electrode
1121 section perpendicular to its bearing of trend is closed arc；The closed arc includes the arc away from the first substrate 111
Part and the straight line portion close to the first substrate 111.
The present embodiment also provides a kind of liquid crystal lens 100, including first substrate 110, second substrate 120, liquid crystal layer 130,
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 the relative spacing of second substrate 120 are set, and liquid crystal layer 130 is located at the He of first substrate 110
Between second substrate 120, first electrode layer 112 is arranged on the first substrate 111 of first substrate 110, by the first alignment film 113
Covering, the second electrode lay 122 is arranged on the second substrate 121 of second substrate 120, covered by the second alignment film 123；
The cross section of the strip electrode 1121 of liquid crystal lens substrate 110 and liquid crystal lens 100 is closing arc in the present embodiment
Shape, because the transmissivity difference in strip electrode 1121 and ambient separation region is into slowly varying, the brightness of transmitted light will not be bright
Aobvious change, is not in the light and dark striped at a plurality of interval, reduces generation moir patterns probability.
Thickness of the strip electrode 1121 from centre to both sides is gradually thinning.It is preferred that, the height of closed arc（I.e. arc top and
Distance between straight line portion）ForIt is furthermore preferred that the height of closed arc is.It is above-mentioned
The strip electrode 1121 of thickness range ensure that larger transmitance, and convenient make.
It is preferred that, the width of closed arc（The length of straight line portion）For 5-20 μm, between adjacent bar electrode 1121 away from
From for 10-20 μm；Above-mentioned width range can better meet 3D and show to liquid crystal lens design requirement.
It is preferred that strip electrode 1121 be using electrically conducting transparent ink prepare, such material is with good electric conductivity
On the basis of can have certain fluidity, facilitate cross section be closed arc strip electrode 1121 making.It should be understood that
, existing electrically conducting transparent ink is all applicable.
Specifically, electrically conducting transparent ink is water-soluble silver powder or poly- 3,4-ethylene dioxythiophene/poly styrene sulfonate.
Embodiment 2
As shown in fig. 6, the present embodiment provides a kind of preparation method of above-mentioned liquid crystal lens substrate, comprise the following steps：
1）Electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, the screen mesh printing plate has bar shaped mesh
Pattern；
2）After electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried, bar shaped electricity of the cross section for closed arc is obtained
Pole.
Specifically, the making step with following technological parameter can be used to complete：
1）The viscosity of water-soluble silver powder is adjusted, it is 3-20p to make its viscosity, and the present embodiment is 6p；Making has bar shaped mesh
The screen mesh printing plate of pattern, wherein, 5-20 μm of the width of bar shaped mesh, the width of mesh is slightly smaller than the straight line portion of closed arc
Length（The presence spread due to water-soluble silver powder）, 10 μm of the width 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, bar when being completed for printing as shown in Figure 3
The shape of cross section of shape electrode 1121 is rectangle.
3）Water-soluble silver powder is spread, diffusion is time generally 1-15min, the present embodiment is 2min, the bar in diffusion
The cross sectional shape of shape electrode 1121 is as shown in fig. 6, the cross sectional shape of strip electrode 1121 is closed arc after the completion of diffusion.Then
Strip electrode 1121 is dried, can be dried at 50-80 DEG C, the present embodiment is dried at 60 DEG C, the dry time
Can be 2-8min, the present embodiment is 3min, by controlling viscosity, diffusion time and the rate of drying of water-soluble silver powder to cause bar
The height of shape electrode 1121 isThe height of the present embodiment strip electrode 1121 is
The preparation of other functional layers of liquid crystal lens 100 can be prepared using known method, no longer be repeated one by one.
The method that the present embodiment uses screen mesh printing plate to print prepares strip electrode 1121 of the section for closed arc, using saturating
Bright electrically conductive ink（Water-soluble silver powder）Mobility, electrically conducting transparent ink is spread to both sides, make electrically conducting transparent ink to both sides
Diffusion, and the strip electrode 1121 that cross sectional shape is closed arc is solidify to form, this method makes simple, process simplification, reduction
Production cost.
It should be appreciated that electrically conducting transparent ink can also be poly- 3,4-ethylene dioxythiophene/poly styrene sulfonate, can
To adjust above-mentioned preparation parameter, preparing height isStrip electrode 1121.
Embodiment 3
The present embodiment provides a kind of 3 d display device, including display panel and outside the display panel exiting surface
Liquid crystal lens, the liquid crystal lens use above-mentioned liquid crystal lens.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary reality that uses
Mode is applied, but the invention is not limited in this.The 3 d display device can be：Mobile phone, tablet personal computer, television set, display
Any product or part with display function such as device, notebook computer, DPF, navigator.The 3 d display device
Implementation may refer to above-described embodiment, repeats part and repeats no more.For those skilled in the art, do not taking off
In the case of from spirit and substance of the present invention, various changes and modifications can be made therein, and these variations and modifications are also considered as this hair
Bright protection domain.
Claims (9)
1. a kind of preparation method of liquid crystal lens substrate, the liquid crystal lens substrate includes the first substrate and is located at first lining
First electrode layer on bottom, first electrode layer include multiple spaced strip electrodes, the strip electrode perpendicular to it
The section of bearing of trend is closed arc, and the closed arc includes the arch section of remote first substrate and close to described
The straight line portion of first substrate, it is characterised in that comprise the following steps：
1) electrically conducting transparent ink is printed on the first substrate by screen mesh printing plate, the screen mesh printing plate has bar shaped mesh figure
Case；
2) after the electrically conducting transparent ink diffusion, electrically conducting transparent ink is dried, bar shaped electricity of the cross section for closed arc is obtained
Pole.
2. a kind of preparation method of liquid crystal lens substrate as claimed in claim 1, the viscosity of the electrically conducting transparent ink is 3-
20p, the width of the bar shaped mesh is 5-20 μm, and the electrically conducting transparent ink diffusion time is 1-15min, the electrically conducting transparent
The drying temperature of ink is 50-80 DEG C, drying time is 2-8min, and the height of the strip electrode is
3. the preparation method of liquid crystal lens substrate according to claim 1, it is characterised in that the height of the closed arc
For
4. the preparation method of liquid crystal lens substrate according to claim 3, it is characterised in that the height of the closed arc
For
5. the preparation method of liquid crystal lens substrate according to claim 1, it is characterised in that the width of the closed arc
For 5-20 μm.
6. the preparation method of liquid crystal lens substrate according to claim 1, it is characterised in that adjacent bar it is interelectrode away from
From for 10-20 μm.
7. the preparation method of liquid crystal lens substrate according to claim 1, it is characterised in that the strip electrode is to use
It is prepared by electrically conducting transparent ink.
8. the preparation method of liquid crystal lens substrate according to claim 7, it is characterised in that the electrically conducting transparent ink is
Water-soluble silver powder.
9. the preparation method of liquid crystal lens substrate according to claim 7, it is characterised in that the electrically conducting transparent ink is
Poly- 3,4-ethylene dioxythiophene/poly styrene sulfonate.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103869573A CN103869573A (en) | 2014-06-18 |
| CN103869573B true CN103869573B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410081577.XA Expired - Fee Related CN103869573B (en) | 2014-03-06 | 2014-03-06 | A kind of preparation method of liquid crystal lens substrate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103869573B (en) |
| WO (1) | WO2015131552A1 (en) |
Families Citing this family (7)
| 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 |
| 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 |
| 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 |
| CN104597685B (en) * | 2014-12-30 | 2018-07-06 | 深圳市魔眼科技有限公司 | Liquid crystal lens and liquid crystal 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 |
| 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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| 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 |
| 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 |
| CN202600323U (en) * | 2012-06-12 | 2012-12-12 | 京东方科技集团股份有限公司 | Electric drive liquid crystal lens liquid crystal cell and two-dimension and three-dimension switchable display device |
| CN103257486A (en) * | 2012-02-20 | 2013-08-21 | 株式会社日本显示器东 | Display device |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI439730B (en) * | 2010-07-16 | 2014-06-01 | Au Optronics Corp | Parallax barrier and application thereof |
| KR101728821B1 (en) * | 2010-09-28 | 2017-05-04 | 삼성디스플레이 주식회사 | Three dimensional image display |
| 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 (6)
| 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 |
| 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 |
| CN103257486A (en) * | 2012-02-20 | 2013-08-21 | 株式会社日本显示器东 | Display device |
| CN202600323U (en) * | 2012-06-12 | 2012-12-12 | 京东方科技集团股份有限公司 | Electric drive liquid crystal lens liquid crystal cell and two-dimension and three-dimension switchable display device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103869573A (en) | 2014-06-18 |
| WO2015131552A1 (en) | 2015-09-11 |
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