CN106681066A - Liquid crystal grating and stereoscopic display device - Google Patents
Liquid crystal grating and stereoscopic display device Download PDFInfo
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- CN106681066A CN106681066A CN201710018847.6A CN201710018847A CN106681066A CN 106681066 A CN106681066 A CN 106681066A CN 201710018847 A CN201710018847 A CN 201710018847A CN 106681066 A CN106681066 A CN 106681066A
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- 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
- G02F1/1313—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 specially adapted for a particular application
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention provides a liquid crystal grating and a stereoscopic display device and relates to the technical field of display, wherein the product yield rate can be increased, and production cost can be reduced. The liquid crystal grating comprises a first baseplate and a second baseplate which are disposed in opposite directions, as well as light-transmitting units and light-shielding units which are arranged alternately, wherein each light-transmitting nit comprises multiple first strip-shaped electrodes disposed on the first baseplate as well as multiple second strip-shaped electrodes disposed on the second baseplate, and the first strip-shaped electrodes and the second strip-shaped electrodes are arranged in a staggered manner; each light-shielding unit comprises multiple third strip-shaped electrodes disposed on the first baseplate, as well as multiple fourth strip-shaped electrodes disposed on the second baseplate, and the third strip-shaped electrodes and the fourth strip-shaped electrodes are arranged in a staggered manner; the spacing between the first strip-shaped electrodes and the third strip-shaped electrodes is larger than the spacing between the adjacent first strip-shaped electrodes and the spacing between the adjacent third strip-shaped electrodes; and the spacing between the second strip-shaped electrodes and the fourth strip-shaped electrodes is larger than the spacing between the adjacent second strip-shaped electrodes and the spacing between the adjacent fourth strip-shaped electrodes.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of liquid crystal grating and 3 d display device.
Background technology
With the development of Display Technique, bore hole 3D shows that extremely people like, bore hole 3D technology is referred to not by any work
Tool, directly allows the two eyes pictures with parallax from from display screen in left and right, two width pictures to be launched into brain, produces tool
There is the Display Technique of third dimension picture.Bore hole 3D lcd technology by bore hole 3D in combination with liquid crystal display is current research
Focus.
Bore hole 3D liquid crystal display can be divided into grating baffle-type and lens type bore hole 3D liquid crystal display, grating baffle-type bore hole 3D
Liquid crystal display with the process compatible of the panel display screen such as LCDs or organic electroluminescent screen due to can obtain extensively
Research.Grating baffle-type bore hole 3D liquid crystal display is usually to be superimposed a liquid crystal grating on the light emission side surface of display floater, no
Can only realize that bore hole 3D can also realize the patten transformation between 3D shows and 2D shows.
In prior art, in order to meet the requirement that human eye becomes more meticulous, in the case of technological limits is met, signal number can be made
Maximize.As shown in figure 1, liquid crystal grating includes light transmitting cells 01 and the lightproof unit 02 being arranged alternately, light transmitting cells 01 include
Multiple first strip shaped electric poles 31 being arranged on first substrate 10 and multiple second strip shaped electric poles being arranged on second substrate 20
32, lightproof unit 02 includes the multiple Article 3 shape electrodes 33 being arranged on first substrate 10 and is arranged on second substrate 20
Multiple Article 4 shape electrodes 34, the first strip shaped electric poles 31 and Article 3 shape electrode 33 on first substrate 10 are uniformly arranged, and second
The second strip shaped electric poles 32 and Article 4 shape electrode 34 on substrate 20 are uniformly arranged.
However, in order that signal number is maximized, the spacing between strip shaped electric poles would generally be smaller, now, due to the
Have between one strip shaped electric poles 31 and Article 3 shape electrode 33 and the second strip shaped electric poles 32 and Article 4 shape electrode 34 dust granule or
Person's electrode material is remained, and easily causes adjacent signals short circuit, causes signal cross-talk so that the yields of liquid crystal grating is relatively low, raw
Produce relatively costly.
The content of the invention
Embodiments of the invention provide a kind of liquid crystal grating and 3 d display device, can improve product yield, reduce production
Cost.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of first aspect, there is provided liquid crystal grating, including the first substrate and second substrate that are oppositely arranged, is arranged alternately
Light transmitting cells and lightproof unit, the light transmitting cells include multiple first strip shaped electric poles being arranged on the first substrate and set
Put multiple second strip shaped electric poles on the second substrate, first strip shaped electric poles and the second strip shaped electric poles staggered row
Arrange and the orthographic projection of first strip shaped electric poles and second strip shaped electric poles on the first substrate partly overlaps；The screening
Light unit includes the multiple Article 3 shape electrodes being arranged on the first substrate and is arranged on multiple on the second substrate
Article 4 shape electrode, the Article 3 shape electrode and the Article 4 shape electrode are staggered and the Article 3 shape electrode and institute
State orthographic projection of the Article 4 shape electrode on the first substrate to partly overlap；First strip shaped electric poles and the Article 3 shape
Gap between electrode is more than between the gap between adjacent first strip shaped electric poles and the adjacent Article 3 shape electrode
Gap；Gap between second strip shaped electric poles and the Article 4 shape electrode is more than between adjacent second strip shaped electric poles
Gap and the adjacent Article 4 shape electrode between gap.
Preferably, the gap between first strip shaped electric poles and the Article 3 shape electrode is equal to second strip electricity
Gap between pole and the Article 4 shape electrode.
Based on above-mentioned, optionally, the gap and the adjacent Article 4 shape electrode between adjacent first strip shaped electric poles
Between gap be A；In addition to the Article 3 shape electrode adjacent with first strip shaped electric poles, remaining the adjacent described 3rd
Gap between strip shaped electric poles is A；In addition to second strip shaped electric poles adjacent with the Article 4 shape electrode, remaining adjacent institute
It is A to state the gap between the second strip shaped electric poles.
It is further preferred that the width of first strip shaped electric poles adjacent with the Article 3 shape electrode is X-M, remaining
First strip shaped electric poles width be X；The width of second strip shaped electric poles adjacent with the Article 4 shape electrode is X
+ M, the width of remaining second strip shaped electric poles is X；The Article 3 shape electrode adjacent with first strip shaped electric poles
Width is X+M, and the width of remaining Article 3 shape electrode is X；The Article 4 adjacent with second strip shaped electric poles
The width of shape electrode is X-M, and the width of remaining Article 4 shape electrode is X；First strip shaped electric poles and the described 3rd
Gap between strip shaped electric poles and the gap between second strip shaped electric poles and the Article 4 shape electrode are A+M；With institute
The gap stated between the adjacent Article 3 shape electrode of the first strip shaped electric poles and the Article 3 shape electrode that is adjacent is
A-M；Between the second strip shaped electric poles adjacent with the Article 4 shape electrode and second strip shaped electric poles that are adjacent
Gap be A-M；Wherein, M<A.
The gap between gap, adjacent second strip shaped electric poles optional, between adjacent first strip shaped electric poles,
The gap between gap and the adjacent Article 4 shape electrode between the adjacent Article 3 shape electrode is A.
It is further preferred that the width of first strip shaped electric poles adjacent with the Article 3 shape electrode is X-M, remaining
First strip shaped electric poles width be X；The width of the Article 4 shape electrode adjacent with second strip shaped electric poles is
X-M, the width of remaining Article 4 shape electrode is X；The width of second strip shaped electric poles and the Article 3 shape electrode
It is X；Gap and second strip shaped electric poles between first strip shaped electric poles and the Article 3 shape electrode and described
Gap between four strip shaped electric poles is A+M；Width is first strip shaped electric poles and second strip shaped electric poles of X described first
The width of the orthographic projection lap on substrate is B, and width is the Article 3 shape electrode and the Article 4 shape electrode of X described
The width of the orthographic projection lap on first substrate is B；Wherein, M<B, B<X.
Preferably, first strip shaped electric poles, second strip shaped electric poles, the Article 3 shape electrode and described
The material of four strip shaped electric poles is transparent conductive material.
It is further preferred that the transparent conductive material is IZO.
Optionally, the light transmitting cells include four the first strip shaped electric poles and five the second strip shaped electric poles；The shading list
Unit includes five Article 3 shape electrodes and four Article 4 shape electrodes.
Optionally, the light transmitting cells include five the first strip shaped electric poles and four the second strip shaped electric poles；The shading list
Unit includes four Article 3 shape electrodes and five Article 4 shape electrodes.
A kind of second aspect, there is provided 3 d display device, including display floater and the liquid crystal light described in first aspect
Grid.
The embodiment of the present invention provides a kind of liquid crystal grating and 3 d display device, by being arranged on light transmitting cells and shading
Gap between first strip shaped electric poles of unit intersection and Article 3 shape electrode be set greater than adjacent first strip shaped electric poles it
Between gap and adjacent Article 3 shape electrode between gap, the gap between the second strip shaped electric poles and Article 4 shape electrode is more than
The gap between gap and adjacent Article 4 shape electrode between adjacent second strip shaped electric poles, so, light transmitting cells and screening
The strip shaped electric poles of light unit intersection will not be too little because of the gap between strip shaped electric poles, and there is dust again between strip shaped electric poles
Granule or electrode retained material, and cause signal shorts so that signal cross-talk, so as to improve the yields of liquid crystal grating.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of structural representation of liquid crystal grating that Fig. 1 is provided for prior art；
Fig. 2 is a kind of structural representation one of liquid crystal grating provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation two of liquid crystal grating provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation three of liquid crystal grating provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation four of liquid crystal grating provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation five of liquid crystal grating provided in an embodiment of the present invention；
Fig. 7 is the etch rate comparison diagram of two kinds of transparent conductive materials provided in an embodiment of the present invention；
Fig. 8 (a) is a kind of etching effect figure one of ITO provided in an embodiment of the present invention；
Fig. 8 (b) is a kind of etching effect figure one of IZO provided in an embodiment of the present invention；
Fig. 8 (c) is a kind of etching effect figure two of ITO provided in an embodiment of the present invention；
Fig. 8 (d) is a kind of etching effect figure two of IZO provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation six of liquid crystal grating provided in an embodiment of the present invention；
Figure 10 is a kind of structural representation seven of liquid crystal grating provided in an embodiment of the present invention；
Figure 11 is a kind of display renderings of 3 d display device provided in an embodiment of the present invention.
Reference
01- light transmitting cells；02- lightproof units；10- first substrates；20- second substrates；The strip shaped electric poles of 31- first；32-
Two strip shaped electric poles；33- Article 3 shape electrodes；34- Article 4 shape electrodes；100- liquid crystal gratings；200- display floaters.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of liquid crystal grating 100, including the first substrate 10 and second substrate 20 being oppositely arranged,
The light transmitting cells 01 being arranged alternately and lightproof unit 02, light transmitting cells 01 include multiple first be arranged on first substrate 10
Shape electrode 31 and multiple second strip shaped electric poles 32 being arranged on second substrate 20, the first strip shaped electric poles 31 and the second strip shaped electric poles
32 are staggered and the orthographic projection of the first strip shaped electric poles 31 and the second strip shaped electric poles 32 on first substrate 10 partly overlaps；Shading
Unit 02 includes multiple Article 3 shape electrodes 33 for being arranged on first substrate 10 and be arranged on second substrate 20 multiple the
Four strip shaped electric poles 34, Article 3 shape electrode 33 and Article 4 shape electrode 34 are staggered and Article 3 shape electrode 33 and Article 4 shape
Orthographic projection of the electrode 34 on first substrate 10 partly overlaps；Gap between first strip shaped electric poles 31 and Article 3 shape electrode 33
C more than between the gap (a1 and a2) between adjacent first strip shaped electric poles 31 and adjacent Article 3 shape electrode 33 gap (b1 and
b2)；Gap f between second strip shaped electric poles 32 and Article 4 shape electrode 34 is more than the gap between adjacent second strip shaped electric poles 32
Gap (e1 and e2) between (d1 and d2) and adjacent Article 4 shape electrode 34.
It should be noted that first, as shown in Fig. 2 the first strip shaped electric poles 31 and the second strip shaped electric poles 32 are staggered, i.e.,
For just right with the second strip shaped electric poles 32 at the interstitial site between adjacent first strip shaped electric poles 31, adjacent second strip shaped electric poles 32
Between interstitial site at it is just right with the first strip shaped electric poles 31.First strip shaped electric poles 31 and the second strip shaped electric poles 32 are in first substrate
Orthographic projection on 10 partly overlaps, as, adjacent two the first strip shaped electric poles 31 and with they between interstitial site at just
To orthographic projection of second strip shaped electric poles 32 on first substrate 10 have lap.Two adjacent the second strip shaped electric poles 32
And with they between interstitial site at just to orthographic projection of first strip shaped electric poles 31 on first substrate 10 have overlapping portion
Point.
In the same manner, Article 3 shape electrode 33 and Article 4 shape electrode 34 are staggered, as, adjacent Article 3 shape electrode 33 it
Between interstitial site at it is just right with Article 4 shape electrode 34, at the interstitial site between adjacent Article 4 shape electrode 34 and Article 3
Shape electrode 33 is just right.The orthographic projection of Article 3 shape electrode 33 and Article 4 shape electrode 34 on first substrate 10 partly overlaps, i.e.,
For, adjacent two Article 3 shape electrodes 33 and with they between gap location just to Article 4 shape electrode 34 in first substrate
Orthographic projection on 10 has lap.Adjacent two Article 4 shape electrodes 34 and with they between gap location just to
Orthographic projection of three strip shaped electric poles 33 on first substrate 10 has lap.
Certainly, first substrate 10 is parallel with second substrate 20, thus the first strip shaped electric poles 31, the second strip shaped electric poles 32,
The projection of three strip shaped electric poles 33 and Article 4 shape electrode 34 on first substrate 10 is identical with the projection on second substrate 20.
If additionally, it will be understood by those skilled in the art that in order to meet the maximized requirement of signal number, the first strip
The lap that the strip shaped electric poles 32 of electrode 31 and second are projected on first substrate 10, and Article 3 shape electrode 33 and Article 4
The lap that shape electrode 34 is projected on the first substrate 10 should meet it is lighttight under the conditions of, reduce as far as possible.
Second, as shown in Fig. 2 first strip shaped electric poles 31 adjacent with Article 3 shape electrode 33 and be adjacent first
Gap between shape electrode 31 is a2, and the gap between other adjacent first strip shaped electric poles 31 is a1.
Between the Article 3 shape electrode 33 adjacent with the first strip shaped electric poles 31 and the Article 3 shape electrode 33 that is adjacent
Gap is b2, and the gap between other adjacent Article 3 shape electrodes 33 is b1.
Wherein, a1, a2, b1 and b2 can be with equal, it is also possible to unequal, respectively less than the first strip shaped electric poles 31 and Article 3 shape
Gap c between electrode 33.
In the same manner, second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34 and the second strip shaped electric poles 32 for being adjacent it
Between gap be d2, the gap between other adjacent second strip shaped electric poles 32 be d1.
Between the Article 4 shape electrode 34 adjacent with the second strip shaped electric poles 32 and the Article 4 shape electrode 34 that is adjacent
Gap is e2, and the gap between other adjacent Article 4 shape electrodes 34 is e1.
Wherein, d1, d2, e1 and e2 can be with equal, it is also possible to unequal, respectively less than the second strip shaped electric poles 32 and Article 4 shape
Gap f between electrode 34.
Additionally, the gap c and the second strip shaped electric poles 32 and the 4th between the first strip shaped electric poles 31 and Article 3 shape electrode 33
Gap f between strip shaped electric poles 34 can be with equal, can be with unequal, and the embodiment of the present invention is not defined to this.
Furthermore, the gap that the embodiment of the present invention is previously mentioned is the width of IDS, i.e., between two neighboring strip shaped electric poles
Distance.
3rd, not to the first strip shaped electric poles 31 in light transmitting cells 01 and the number and lightproof unit of the second strip shaped electric poles 32
The number of Article 3 shape electrode 33 and Article 4 shape electrode 34 is defined in 02, only illustrates in Fig. 2.
Wherein, it will be understood by those skilled in the art that if it is desired to disclosure satisfy that the requirement that human eye becomes more meticulous, then meeting
Technological limits and in the case of not causing light leak, the strip shaped electric poles in light transmitting cells 01 and lightproof unit 02 should be arranged more.
4th, as shown in Fig. 2 it will be understood by those skilled in the art that also setting between first substrate 10 and second substrate 20
Liquid crystal is equipped with, the first strip shaped electric poles 31 and Article 3 shape electrode 33 are arranged on first substrate 10 near liquid crystal side, the second strip
Electrode 32 and Article 4 shape electrode 34 are also disposed at second substrate 10 near liquid crystal side.
The embodiment of the present invention provides a kind of liquid crystal grating 100, is handed over by being arranged on light transmitting cells 01 and lightproof unit 02
Gap between the first strip shaped electric poles 31 at boundary and Article 3 shape electrode 33 be set greater than adjacent first strip shaped electric poles 31 it
Between gap and adjacent Article 3 shape electrode 33 between gap, between the second strip shaped electric poles 32 and Article 4 shape electrode 34 between
Gap is more than the gap between the gap between adjacent second strip shaped electric poles 32 and adjacent Article 4 shape electrode 34, so, thoroughly
The strip shaped electric poles of light unit 01 and the intersection of lightproof unit 02 will not be too little because of the gap between strip shaped electric poles, and strip shaped electric poles
Between there is dust granule or electrode retained material again, and cause signal shorts so that signal cross-talk, so as to improve liquid crystal light
The yields of grid 100.
In order that signal number is maximized, the embodiment of the present invention is preferred, as shown in Fig. 2 the first strip shaped electric poles 31 and the
Gap c between three strip shaped electric poles 33 is equal to the gap f between the second strip shaped electric poles 32 and Article 4 shape electrode 34.
Based on above-mentioned, it is preferred that as shown in figure 3, the gap and adjacent Article 4 shape between adjacent first strip shaped electric poles 31
Gap between electrode 34 is A；In addition to the Article 3 shape electrode 33 adjacent with the first strip shaped electric poles 31, remaining adjacent Article 3
Gap between shape electrode 33 is A；In addition to second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34, remaining adjacent Article 2
Gap between shape electrode 32 is A.
That is, a1=a2=b1=d1=e1=e2=A, and A<C, A<f.
The embodiment of the present invention is by the adjustment Article 3 shape electrode 33 adjacent with the first strip shaped electric poles 31 and is adjacent
Gap b2 between Article 3 shape electrode 33 leads to increasing the gap c between the first strip shaped electric poles 31 and Article 3 shape electrode 33
Between crossing between adjustment the second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34 and the second strip shaped electric poles 32 for being adjacent
Gap d2 is increasing the gap f between the second strip shaped electric poles 32 and Article 4 shape electrode 34, simple structure, it is easy to accomplish.
It is further preferred that as shown in figure 4, the width of first strip shaped electric poles 31 adjacent with Article 3 shape electrode 33 is X-
M, the width of remaining the first strip shaped electric poles 31 is X；The width of second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34 is X
+ M, the width of remaining the second strip shaped electric poles 32 is X；The width of the Article 3 shape electrode 33 adjacent with the first strip shaped electric poles 31 is
X+M, the width of remaining Article 3 shape electrode 33 is X；The width of the Article 4 shape electrode 34 adjacent with the second strip shaped electric poles 32
For X-M, the width of remaining Article 4 shape electrode 34 is X.
Gap and the second strip shaped electric poles 32 and Article 4 shape electricity between first strip shaped electric poles 31 and Article 3 shape electrode 33
Gap between pole 34 is A+M；The Article 3 shape electrode 33 adjacent with the first strip shaped electric poles 31 and the Article 3 being adjacent
Gap between shape electrode 33 is A-M；Second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34 and be adjacent second
Gap between strip shaped electric poles 32 is A-M；Wherein, M<A.
It should be noted that first, as shown in figure 4, the gap between the width and adjacent stripe-like electrode of strip shaped electric poles
In the case that sum is definite value, i.e. in the case of X+A=S, it will be understood by those skilled in the art that will be with Article 3 shape electrode 33
The width of the first adjacent strip shaped electric poles 31 is set to X-M, is to increase the first strip shaped electric poles 31 and Article 3 shape electrode 33
Between gap c, therefore, first strip shaped electric poles 31 should make to be laterally away from Article 3 shape electricity near the one of Article 3 shape electrode 33
M is shunk in the direction of pole 33, so that the width of first strip shaped electric poles 31 is X-M, first strip shaped electric poles 31 are electric with Article 3 shape
Gap between gap c=A+M between pole 33, first strip shaped electric poles 31 and the first strip shaped electric poles 31 for being adjacent is A.
In the same manner, adjacent with the second strip shaped electric poles 32 Article 4 shape electrode 34, should make near the second strip shaped electric poles 32
M is shunk in the direction for being laterally away from the second strip shaped electric poles 32, so that the width of the Article 4 shape electrode 34 is X-M, the Article 4 shape
Gap f=A+M between the strip shaped electric poles 32 of electrode 34 and second, the Article 4 shape electrode 34 and the Article 4 shape electricity being adjacent
Gap between pole 34 is A.
Second, as shown in figure 4, the first strip shaped electric poles 31 and the weight of the second orthographic projection on first substrate 10 of strip shaped electric poles 32
The width B of folded part is less than amount of contraction M of the first strip shaped electric poles 31, i.e. M>B, therefore, it will be understood by those skilled in the art that
It is the second strip for ensureing that the width B of lap is constant, adjacent with Article 4 shape electrode 34 after first strip shaped electric poles 31 shrink
Electrode 32 should make the direction of the laterally closer second electrode 32 near second electrode 32 extend M.So, width is X+M
The second strip shaped electric poles 32 and width for X the second strip shaped electric poles 32 between gap d 2=A-M.
In the same manner, adjacent with the first strip shaped electric poles 31 Article 3 shape electrode 33 should be made near the side of Article 3 shape electrode 33
Extend M near the direction of Article 3 shape electrode 33.So, width is X's for the Article 3 shape electrode 33 and width of X+M
Gap b2=A-M between Article 3 shape electrode 33.
The embodiment of the present invention is in the situation for not changing gap sum S between the width of strip shaped electric poles and adjacent stripe-like electrode
Under, the first strip shaped electric poles 31 and the are increased by reducing the width of the first strip shaped electric poles 31 adjacent with Article 3 shape electrode 33
Gap c between three strip shaped electric poles 33, by reduce the width of the Article 4 shape electrode 34 adjacent with the second strip shaped electric poles 32 come
Increase the gap f between the second strip shaped electric poles 32 and Article 4 shape electrode 34 so that the strip shaped electric poles arrangement on substrate is uniform, easily
In realize signal number maximize.
Additionally, by increase by second strip shaped electric poles 32 adjacent with Article 4 shape electrode 34 and with the phase of the first strip shaped electric poles 31
The width of adjacent Article 3 shape electrode 33, can avoid electrode strip because there is light leak without lap.
Optionally, as shown in figure 5, between the gap, adjacent second strip shaped electric poles 32 between adjacent first strip shaped electric poles 31
Gap, adjacent Article 3 shape electrode 33 between gap and adjacent Article 4 shape electrode 34 between gap be A.
That is, a1=a2=b1=b2=d1=d2=e1=e2=A, and A<C, A<f.
The embodiment of the present invention is by making gap (a1 and a2), adjacent second strip electricity between adjacent first strip shaped electric poles 31
The gap (d1 and d2) between gap (b1 and b2), adjacent Article 3 shape electrode 33 and adjacent Article 4 shape between pole 32
Gap (e1 and e2) between electrode 34 is A, and less than the gap c between the first strip shaped electric poles 31 and Article 3 shape electrode 33
And second the gap f between strip shaped electric poles 32 and Article 4 shape electrode 34 avoiding adjacent stripe-like electrode from being short-circuited, structure
Simply, it is easy to accomplish.
It is further preferred that as shown in fig. 6, the width of first strip shaped electric poles 31 adjacent with Article 3 shape electrode 33 is X-
M, the width of remaining the first strip shaped electric poles 31 is X；The width of the Article 4 shape electrode 34 adjacent with the second strip shaped electric poles 32 is
X-M, the width of remaining Article 4 shape electrode 34 is X；The width of the second strip shaped electric poles 32 and Article 3 shape electrode 33 is X.
Gap and the second strip shaped electric poles 32 and Article 4 shape electricity between first strip shaped electric poles 31 and Article 3 shape electrode 33
Gap between pole 34 is A+M；Width is first strip shaped electric poles 31 and the second strip shaped electric poles 32 of X on first substrate 10
The width of orthographic projection lap is B, and width is the Article 3 shape electrode 33 and Article 4 shape electrode 34 of X on first substrate 10
Orthographic projection lap width be B；Wherein, M<B, B<X.
It should be noted that first, it will be understood by those skilled in the art that reducing adjacent with Article 3 shape electrode 33 the
The width of one strip shaped electric poles 31, is to increase the gap c between the first strip shaped electric poles 31 and Article 3 shape electrode 33 so that c
=A+M.Therefore, first strip shaped electric poles 31 should make to be laterally away from Article 3 shape electrode 33 near the one of Article 3 shape electrode 33
Shrink M in direction.
In the same manner, adjacent with the second strip shaped electric poles 32 Article 4 shape electrode 34 should be made near the side of the second strip shaped electric poles 32
M is shunk to the direction away from the second strip shaped electric poles 32, so that the gap f between the second strip shaped electric poles 32 and Article 4 shape electrode 34
=A+M.
Second, as shown in Fig. 2 amount of contraction M of strip shaped electric poles is less than the lap B between strip shaped electric poles, therefore, even if with
The first adjacent strip shaped electric poles 31 of Article 3 shape electrode 33 and Article 4 shape electrode 34 width adjacent with the second strip shaped electric poles 32
Reduce M, can still avoid strip shaped electric poles that light leak occurs.
The embodiment of the present invention by reduce first strip shaped electric poles 31 adjacent with Article 3 shape electrode 33 and with the second strip
The width of the adjacent Article 4 shape electrode 34 of electrode 32, and reduction amount M of width is made less than the first strip shaped electric poles 31 and Article 2
The lap B of shape electrode 32, can both increase the gap c between the first strip shaped electric poles 31 and Article 3 shape electrode 33, and
Gap f between second strip shaped electric poles 32 and Article 4 shape electrode 34, can avoid light leak again.
Preferably, the first strip shaped electric poles 31, the second strip shaped electric poles 32, Article 3 shape electrode 33 and Article 4 shape electrode
34 material is transparent conductive material.
Wherein, transparent conductive material can be ITO (Indium Tin Oxide, tin indium oxide), or IZO
(Indium Zinc Oxide, indium zinc oxide), can also be other certainly.
Herein, ITO materials and IZO materials are contrasted.Fig. 7 is ITO and IZO under identical etching condition, etching
The corresponding relation of temperature and etch rate.Abscissa represents etching temperature, unit for DEG C.Vertical coordinate represents etch rate, unit
ForThick line represents the variation tendency of IZO, and fine rule represents the variation tendency of ITO.Table one lists original depth
IZO film layers etch rate.The etch rate that IZO film layers can be drawn from table one isAnd can from Fig. 7
Go out, under identical etching condition, the etch rate of IZO is higher than the etch rate of ITO, about the 3 of ITO etch rates times.
Table 1 is the relation of IZO thicknesses of layers and etch period
Fig. 8 (a) is that ito film layer is directly arranged on substrate, after ito film layer etching, the situation of residue on substrate.Fig. 8
B () is that IZO film layers are directly arranged on substrate, after IZO film layers etching, the situation of residue on substrate.Fig. 8 (c) is ito film layer
Other film layers are additionally provided with and substrate between, after ito film layer etching, the situation of residue on substrate.Fig. 8 (d) is IZO film layers
Other film layers are additionally provided with and substrate between, after IZO film layers etching, the situation of residue on substrate.Contrast Fig. 8 (a) and Fig. 8
B () and Fig. 8 (c) and Fig. 8 (d) can be seen that no matter other film layers are whether there is on substrate, under the etching of identical etching liquid, base
The residue of IZO film layers is more than the residue of ito film layer on plate.
Based on this, it is preferred that transparent conductive material is IZO.
The embodiment of the present invention is IZO by the way that transparent conductive material is selected, and can both lift the etching of transparent conductive material
Speed, improve production efficiency.The generation of etch residue can be reduced again, product yield is further improved.
Optionally, as shown in figure 9, light transmitting cells 01 include four the first strip shaped electric poles 31 and five the second strip shaped electric poles
32；Lightproof unit 02 includes five Article 3 shape electrodes 33 and four Article 4 shape electrodes 34.
Optionally, as shown in Figure 10, light transmitting cells 01 include five the first strip shaped electric poles 31 and four the second strip shaped electric poles
32；Lightproof unit 02 includes four Article 3 shape electrodes 33 and five Article 4 shape electrodes 34.
The embodiment of the present invention maximizes signal number in the case of technological limits energy is met, and can meet human eye and become more meticulous
Requirement.
The embodiment of the present invention also provides a kind of 3 d display device, as shown in figure 11, including display floater 200, Yi Jishang
State liquid crystal grating 100.
Wherein, when 3 d display device shows, the first strip shaped electric poles 31 in the light transmitting cells 01 of liquid crystal grating 100 and
, in power-up pressure condition, the second strip shaped electric poles 32 and Article 4 shape electrode 34 in lightproof unit 02 are not in for three strip shaped electric poles 33
Pressurized state, to reach visual effect as shown in figure 11.
Additionally, display floater 200 can be display panels, liquid crystal grating 100 is arranged on going out for display panels
Light side is arranged between display panels and the backlight module of 3 d display device.
Display floater 200 can also be organic EL display panel, and liquid crystal grating 100 is arranged on organic electroluminescent
The light emission side of display floater.
3 d display device provided in an embodiment of the present invention includes above-mentioned liquid crystal grating 100, with above-mentioned liquid crystal grating 100
Beneficial effect is identical, and here is omitted.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (10)
1. a kind of liquid crystal grating, including the first substrate and second substrate that are oppositely arranged, the light transmitting cells being arranged alternately and shading
Unit, the light transmitting cells include multiple first strip shaped electric poles being arranged on the first substrate and are arranged on second base
Multiple second strip shaped electric poles on plate, first strip shaped electric poles and second strip shaped electric poles are staggered and described first
The orthographic projection of shape electrode and second strip shaped electric poles on the first substrate partly overlaps；The lightproof unit includes arranging
Multiple Article 3 shape electrodes on the first substrate and the multiple Article 4 shape electrodes being arranged on the second substrate, institute
State Article 3 shape electrode and the Article 4 shape electrode is staggered and the Article 3 shape electrode and the Article 4 shape electrode
Orthographic projection on the first substrate partly overlaps；Characterized in that,
Gap between first strip shaped electric poles and the Article 3 shape electrode is more than between adjacent first strip shaped electric poles
Gap and the adjacent Article 3 shape electrode between gap；
Gap between second strip shaped electric poles and the Article 4 shape electrode is more than between adjacent second strip shaped electric poles
Gap and the adjacent Article 4 shape electrode between gap.
2. liquid crystal grating according to claim 1, it is characterised in that first strip shaped electric poles and Article 3 shape electricity
Gap between pole is equal to the gap between second strip shaped electric poles and the Article 4 shape electrode.
3. liquid crystal grating according to claim 1 and 2, it is characterised in that between adjacent first strip shaped electric poles
Gap between gap and the adjacent Article 4 shape electrode is A；
In addition to the Article 3 shape electrode adjacent with first strip shaped electric poles, between remaining adjacent described Article 3 shape electrode
Gap be A；
In addition to second strip shaped electric poles adjacent with the Article 4 shape electrode, between remaining adjacent described second strip shaped electric poles
Gap be A.
4. liquid crystal grating according to claim 3, it is characterised in that described first adjacent with the Article 3 shape electrode
The width of strip shaped electric poles is X-M, and the width of remaining first strip shaped electric poles is X；
The width of second strip shaped electric poles adjacent with the Article 4 shape electrode is X+M, remaining described second strip electricity
The width of pole is X；
The width of the Article 3 shape electrode adjacent with first strip shaped electric poles is X+M, remaining described Article 3 shape electricity
The width of pole is X；
The width of the Article 4 shape electrode adjacent with second strip shaped electric poles is X-M, remaining described Article 4 shape electricity
The width of pole is X；
Gap and second strip shaped electric poles and the described 4th between first strip shaped electric poles and the Article 3 shape electrode
Gap between strip shaped electric poles is A+M；
Between the Article 3 shape electrode adjacent with first strip shaped electric poles and the Article 3 shape electrode that is adjacent
Gap be A-M；
Between the second strip shaped electric poles adjacent with the Article 4 shape electrode and second strip shaped electric poles that are adjacent
Gap be A-M；
Wherein, M<A.
5. liquid crystal grating according to claim 1 and 2, it is characterised in that between adjacent first strip shaped electric poles
The gap between gap, the adjacent Article 3 shape electrode between gap, adjacent second strip shaped electric poles and adjacent described
Gap between Article 4 shape electrode is A.
6. liquid crystal grating according to claim 5, it is characterised in that described first adjacent with the Article 3 shape electrode
The width of strip shaped electric poles is X-M, and the width of remaining first strip shaped electric poles is X；
The width of the Article 4 shape electrode adjacent with second strip shaped electric poles is X-M, remaining described Article 4 shape electricity
The width of pole is X；
The width of second strip shaped electric poles and the Article 3 shape electrode is X；
Gap and second strip shaped electric poles and the described 4th between first strip shaped electric poles and the Article 3 shape electrode
Gap between strip shaped electric poles is A+M；
Width is the orthographic projection lap of first strip shaped electric poles and second strip shaped electric poles of X on the first substrate
Width is B, and width is the orthographic projection overlapping portion of the Article 3 shape electrode and the Article 4 shape electrode of X on the first substrate
The width for dividing is B；
Wherein, M<B, B<X.
7. liquid crystal grating according to claim 1, it is characterised in that first strip shaped electric poles, second strip electricity
The material of pole, the Article 3 shape electrode and the Article 4 shape electrode is transparent conductive material.
8. liquid crystal grating according to claim 7, it is characterised in that the transparent conductive material is IZO.
9. liquid crystal grating according to claim 1, it is characterised in that the light transmitting cells include four the first strip shaped electric poles
With five the second strip shaped electric poles；The lightproof unit includes five Article 3 shape electrodes and four Article 4 shape electrodes；Or,
The light transmitting cells include five the first strip shaped electric poles and four the second strip shaped electric poles；The lightproof unit includes four the
Three strip shaped electric poles and five Article 4 shape electrodes.
10. a kind of 3 d display device, it is characterised in that including the liquid described in display floater and any one of claim 1-9
Brilliant grating.
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| CN109212769A (en) * | 2017-06-30 | 2019-01-15 | 深圳超多维科技有限公司 | 3 d display device |
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