CN102799010B - Liquid crystal display for displaying three-dimensional images - Google Patents
Liquid crystal display for displaying three-dimensional images Download PDFInfo
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- CN102799010B CN102799010B CN201110139113.6A CN201110139113A CN102799010B CN 102799010 B CN102799010 B CN 102799010B CN 201110139113 A CN201110139113 A CN 201110139113A CN 102799010 B CN102799010 B CN 102799010B
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Abstract
The invention discloses a liquid crystal display for displaying three-dimensional images. The liquid crystal display sequentially comprises a first substrate, an electrode array, a dielectric layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a common electrode layer and a second substrate, wherein the electrode array comprises a first potential main line, a second potential main line, a plurality of first potential branch lines and a plurality of second potential branch lines; and when first voltage is respectively applied to the first potential main line and the first potential branch lines, and second voltage is respectively applied to the second potential main line and the second potential branch lines, a refractive ratio effect of liquid crystal arrangement of the liquid crystal layer is the same as that of a convex lens array.
Description
Technical field
The invention relates to a kind of liquid crystal display showing stereopsis, and relate to a kind of naked liquid crystal display of looking type display stereopsis especially.
Background technology
Liquid crystal display (Liquid Crystal Display; LCD) have that high image quality, volume are little, lightweight, the advantage such as low voltage drive, low consumpting power and applied range, therefore be widely used in Portable TV, mobile phone, shoot with video-corder in the consumer electronics such as projector, mobile computer and desktop displays or computer product, become the main flow of display.
Along with the development of science and technology, stereopsis Presentation Function has become the development trend of display.Stereopsis displaying principle is by the image lamination of right and left eyes, utilizes persistence of vision and at brain compound stereoscopic image.Existing stereopsis display technique roughly can be divided into spectacle and nakedly look two kinds, type.Spectacle can be divided into again (head mount displays) such as shutter glasses (shutter glasses), polaroid glasses (polarization glasses), mycyscope (anaglyphglasses), wear-types.Nakedly can be divided into again full image type (holographic), volume type (volumetric), 2-D multitask type (multiplexed 2-D) etc. depending on type.Stereopsis display technique due to spectacle needs user to wear glasses use, therefore, easily causes user's problem that is uncomfortable and that have a plant maintenance to occur.
Summary of the invention
Therefore object of the present invention is providing a kind of liquid crystal display, exactly in order to show stereopsis.
According to one embodiment of the invention, propose a kind of liquid crystal display showing stereopsis, comprise a first substrate, an electrod-array, a dielectric layer, one first both alignment layers, one second both alignment layers, a second substrate, a common electrode layer and a liquid crystal layer.Wherein electrod-array is formed on first substrate, and electrod-array comprises one first current potential main line, one second current potential main line, multiple first current potential branch line and multiple second current potential branch line.First current potential main line is positioned at first substrate side, has multiple first node.First current potential branch line branch is from first node, and the first current potential branch line is perpendicular to the first current potential main line.Second current potential main line, around first substrate outer rim, has multiple Section Point.Second current potential branch line branch is from Section Point, and the second current potential branch line is perpendicular to the second current potential main line, and wherein the first current potential branch line and the second current potential branch line are crisscross arranged.Dielectric layer is formed on electrod-array.First both alignment layers is arranged on dielectric layer.Common electrode layer is formed on second substrate.Second both alignment layers is arranged in common electrode layer.Liquid crystal layer is folded between the first both alignment layers and the second both alignment layers, wherein when applying the first voltage respectively in the first current potential main line and the first current potential branch line, and applying the second voltage when the second current potential main line and the second current potential branch line, the refracting power effects of the liquid crystal arrangement of liquid crystal layer is equal to convex lens array.
In one embodiment, electrod-array also comprises one the 3rd current potential main line and multiple 3rd current potential branch line.3rd current potential main line is arranged at the opposite side of first substrate relative to the first current potential main line, has multiple 3rd node.3rd current potential branch line branch is from the 3rd node, and the 3rd current potential branch line is perpendicular to the 3rd current potential main line.Wherein the first current potential branch line, the second current potential branch line and the 3rd current potential branch line are staggered.First current potential branch line and the 3rd current potential branch line are multiple one group is forked arrangement.First current potential main line also comprises extension and connects first node and the first current potential main line, and the 3rd current potential main line also comprises extension and connects the 3rd node and the 3rd current potential main line.Second current potential branch line is multiple one group, often organizes the second current potential branch line and comprises a wire, is communicated to the second current potential main line of subtend.Often organize the second current potential branch line and comprise folding line, be set around between the first current potential branch line, wherein folding line is set around between the first current potential branch line in bow font.Common electrode layer can be the complete surface being covered in liquid crystal layer faced by second substrate.Putting in order of first current potential branch line, the second current potential branch line and the 3rd current potential branch line is the first current potential branch line, the second current potential branch line, the 3rd current potential branch line, the second current potential branch line, circulates with this.
Another embodiment of the present invention is a kind of liquid crystal display showing stereopsis, comprises a first substrate, an electrod-array, a dielectric layer, one first both alignment layers, a second substrate, a common electrode layer, one second both alignment layers and a liquid crystal layer.Wherein electrod-array comprises one first current potential main line, one second current potential main line, multiple first current potential branch line and multiple second current potential branch line.First current potential branch line branch is from the first current potential main line, and the first current potential branch line is perpendicular to the first current potential main line.Second current potential main line and the first current potential main line are positioned at first substrate the same side.Second current potential branch line branch is from the second current potential main line, and the second current potential branch line is perpendicular to the second current potential main line, and wherein the first current potential branch line and the second current potential branch line are crisscross arranged.Dielectric layer is formed on electrod-array.First both alignment layers is arranged on dielectric layer.Common electrode layer is formed at second substrate.Second both alignment layers is arranged on the second electrode.Liquid crystal layer is folded between the first both alignment layers and the second both alignment layers.Wherein when applying the first voltage respectively in the first current potential main line and the first current potential branch line, and apply the second voltage when the second current potential main line and the second current potential branch line, the refracting power effects of the liquid crystal arrangement of liquid crystal layer is equal to convex lens array.Electrod-array also comprises one the 3rd current potential main line and multiple 3rd current potential branch line.3rd current potential main line and the first current potential main line are positioned at the same side of first substrate.3rd current potential branch line branch is from the 3rd current potential main line, and the 3rd current potential branch line is perpendicular to the 3rd current potential main line.Wherein the first current potential branch line, the second current potential branch line and the 3rd current potential branch line are staggered.Common electrode layer can be the complete surface being covered in liquid crystal layer faced by second substrate.Putting in order of first current potential branch line, the second current potential branch line and the 3rd current potential branch line is the first current potential branch line, the second current potential branch line, the 3rd current potential branch line, the second current potential branch line, circulates with this.
By dielectric layer on an array, the operating voltage in liquid crystal layer can be reduced, make electric field change more even, promote into phase quality.The space that the cabling design of electrod-array more can effectively be saved needed for wiring, and be convenient to provide voltage.
Accompanying drawing explanation
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1 illustrates the explosive view of liquid crystal display one embodiment according to display stereopsis of the present invention;
Fig. 2 A and Fig. 2 B illustrate the liquid crystal display of the display stereopsis in Fig. 1 in the sectional view of different phase;
Fig. 3 illustrates the schematic diagram of an embodiment of the electrod-array in the liquid crystal display of display stereopsis of the present invention;
Fig. 4 illustrates the schematic diagram of another embodiment of electrod-array of the liquid crystal display of display stereopsis of the present invention.
[primary clustering symbol description]
100: liquid crystal display 220: the second current potential main line
110: first substrate 222: Section Point
120: electrod-array 224: extension
122: the first current potential branch line 230: the first current potential branch lines
124: the second current potential branch line 240: the second current potential branch lines
126: the three current potential branch line 250: the three current potential main lines
130: dielectric layer 252: the three node
140: the first both alignment layers 254: extension
150: liquid crystal layer 260: the three current potential branch line
152: lens segment 300: electrod-array
160: the second both alignment layers 302: first substrate
170: common electrode layer 310: the first current potential main line
180: second substrate 320: the second current potential main line
200: electrod-array 330: the first current potential branch line
202: first substrate 340: the second current potential branch line
210: the first current potential main line 350: the three current potential main lines
212: first node 360: the three current potential branch line
214: extension
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, have in any art and usually know that the knowledgeable is after understanding preferred embodiment of the present invention, when by the technology of teachings of the present invention, can being changed and modifying, it does not depart from spirit of the present invention and scope.
With reference to Fig. 1, it illustrates the explosive view of liquid crystal display one embodiment of display stereopsis of the present invention.The liquid crystal display 100 of display stereopsis includes first substrate 110, electrod-array 120, dielectric layer 130, first both alignment layers 140, liquid crystal layer 150, second both alignment layers 160, common electrode layer 170, and second substrate 180.Electrod-array 120 is formed on first substrate 110, and dielectric layer 130 is formed on electrod-array 120, and the first both alignment layers 140 is arranged on dielectric layer 130.Common electrode layer 170 is formed on second substrate 180, and the second both alignment layers 160 is arranged in common electrode layer 170.Liquid crystal layer 150 is folded between the first both alignment layers 140 and the second both alignment layers 160.
Liquid crystal display 100 by applying different magnitudes of voltage in electrod-array 120, the torsional direction of liquid crystal in liquid crystal layer 150 is changed by the gradual changeization of electric field, liquid crystal in liquid crystal layer 150 is distributed along given shape, and the light refractive index effect of this kind of arrangement is equal to convex lens, focus in multiple focus after making light penetration, and multiple visual angle can be provided to show stereopsis.The dielectric layer 130 with specified impedance value, for being distributed on electrod-array 120, can make electric field gradual change ground more even effectively.
Wherein aforesaid first substrate 110 can be hard transparent substrate with second substrate 180, as glass substrate or plastic base.First substrate 110 is infrabasal plate, and second substrate 180 is upper substrate.Electrod-array 120 is now bottom electrode, and common electrode layer 170 is top electrode, applies voltage by bottom electrode.Electrod-array 120 is preferably transparent conductive material with the material of the electrode of common electrode layer 170, as indium tin oxide (Indium Tin Oxide; ITO), indium-zinc oxide (Indium Zinc Oxide; Or zinc paste (ZincOxide) IZO).The material of the first both alignment layers 140 and the second both alignment layers 160 can be polyimide (polyimide; PI), in order to arrange liquid crystal orientation.
The material of dielectric layer 130 can be transparent resin or dielectric material, and the scope of its resistance value drops on 10-1010 ohm.The material of dielectric layer 130 can for containing the nitride (AZO) of aluminium, oxide (IGZO), zinc paste (ZnO), niobium oxide (NbO), the titanium dioxide (TiO of indium gallium zinc composition
2), tin ash (SnO
2), five tin oxide (SnO
5), aluminium oxide (Al
2o
3), hafnium oxide (HfO
2), tantalum oxide (Ta
2o5), phosphatization sulphur (SP
3), amorphous silicon (a-Si) etc.Or, the material of dielectric layer 130 can be the material (PEDOT based material) that the fen of poly-dioxoethyl plug is substrate, as poly-(3, the fen of 4-ethylenedioxy plug)-poly-(styrene sulfonic acid) (poly (3,4-ethylenedioxythiophene): poly (styrenesulfonate); PEDOT:PSS).In other embodiments, more optionally there is another dielectric layer between common electrode layer 170 and liquid crystal layer 150.
In following embodiment, all use identical or similar material, will repeat no more.
With reference to Fig. 2 A and Fig. 2 B, its liquid crystal display illustrating the display stereopsis in Fig. 1 is in the sectional view of different phase.Electrod-array 120 includes multiple first current potential branch line 122 and multiple second current potential branch line 124, first current potential branch line 122 and the second current potential branch line 124 for arrange alternately.The complete second substrate 180 that is covered in of common electrode layer 170 is on the surface of liquid crystal layer 150, and common electrode layer 170 can be used as ground plane.
When for display stereopsis, apply the first voltage in the first current potential branch line 122 and apply the second voltage in the second current potential branch line 124, first current potential branch line 122 and the second current potential branch line 124 can have different current potential, and form the electric field of gradual change between the first current potential branch line 122 and the second current potential branch line 124.The torsional direction of the liquid crystal molecule in liquid crystal layer 150 can be subject to electric field influence, and in refractive optical effect, present the convex lens array (in figure, the torsional direction of liquid crystal presents with its optical effect) being equivalent to multiple lens segment 152.In other words, in each lens segment 152, the intensity of electric field can along the Width of lens segment 152 difference to some extent, the liquid crystal molecule in each lens segment 152 is redirected.
For example, in a phase, as shown in Figure 2 A, the first current potential provided is greater than the second current potential, the maximum of intensity of electric field, the i.e. position of the first current potential branch line 122, produce at the edge of each lens segment 152, the minimum of intensity of electric field, the i.e. position of the second current potential branch line 124, produce in the central authorities of each lens segment 152, and the intensity of this electric field is entreated wherein by the edge of each lens segment 152 and is successively decreased gradually.In a secondary phase, as shown in Figure 2 B, the first current potential provided is less than the second current potential, the maximum of intensity of electric field, the i.e. position of the second current potential branch line 124, produce at the edge of each lens segment 152, the minimum of intensity of electric field, the i.e. position of the first current potential branch line 122, produces in the central authorities of each lens segment 152, and the intensity of this electric field is entreated wherein by the edge of each lens segment 152 and successively decreased gradually.The focal position of light can be changed by the conversion of the voltage applied, formed stereopsis to provide two not confocal image laminations.
As previously mentioned, being changed to evenly of electric field can be made by the dielectric layer 130 be formed on electrod-array 120.Certainly, electrod-array 120 can also have more multiple 3rd current potential branch line 126 according to the design requirement of user, 3rd current potential branch line 126 can be arranged between the first adjacent current potential branch line 122 and the second current potential branch line 124, and the 3rd current potential is between the first current potential and the second current potential, make the change of electric field more even.By that analogy, electrod-array 120 more can have multiple 4th current potential branch line, the 5th current potential branch line etc., does not repeat them here.
With reference to Fig. 3, it illustrates the schematic diagram of an embodiment of the electrod-array in the liquid crystal display of display stereopsis of the present invention.Electrod-array 200 includes one first current potential main line 210,1 second current potential main line 220, multiple first current potential branch line 230 and multiple second current potential branch line 240.Wherein the first current potential main line 210 is positioned at the side of first substrate 202, and the second current potential main line 220 is around the outer rim of first substrate 202.First current potential main line 210 has multiple first node 212, first current potential branch line 230 be branch from first node 212, and the first current potential branch line 230 is perpendicular to the first current potential main line 210.Second current potential main line 220 has multiple Section Point 222, second current potential branch line 240 branch in Section Point 222, the second current potential branch line 240 is perpendicular to the second current potential main line 220.Wherein the first current potential branch line 230 and the second current potential branch line 240 are for being crisscross arranged.When applying different voltage in the first current potential main line 210 and the second current potential main line 220, the first current potential branch line 230 can be made with the first current potential, and the second current potential branch line 240 is with the second current potential, wherein the first current potential is different from the second current potential.
First current potential branch line 230 be the forked arrangement of a multiple composition branch from first node 212, and point to subtend.Wherein the first current potential main line 210 also includes extension 214, to connect first node 212 and the first current potential main line 210.Second current potential main line 220 also comprises extension 224 and connects this Section Point 222 and the second current potential main line 220.
Second current potential branch line 240 is multiple one group, and the second current potential branch line 240 wherein often organized comprises wire 242 and a folding line 244.Wire 242 is communicated to the second current potential main line 220 of subtend, in other words, and the second current potential main line 220 shared lead 242 of the relative both sides of first substrate 202.Folding line 244 is set around between the first current potential branch line 230, and wherein folding line 244 is set around between the first current potential branch line 230 in bow font.Thus, the first current potential branch line 230 and the second current potential branch line 240 are spread configuration alternately.
The electrod-array 200 of the present embodiment also can include one the 3rd current potential main line 250 and multiple 3rd current potential branch line 260.3rd current potential main line 250 is arranged at the opposite side of first substrate 202 relative to the first current potential main line 210.3rd current potential main line 250 has multiple 3rd node the 252, three current potential branch line 260 branch from the 3rd node 252, and perpendicular to the 3rd current potential main line 250.Wherein the first current potential branch line 230, second current potential branch line 240 and the 3rd current potential branch line 260 are for be sequentially staggered.3rd current potential main line 250 also includes extension 254, connects the 3rd node 252 and the 3rd current potential main line 250.3rd current potential branch line 260 is the forked arrangement of a multiple composition, and points to the first current potential main line 210 of subtend.First current potential branch line 230, second current potential branch line 240 and the 3rd current potential branch line 260 are staggered.More specifically, the second current potential branch line 240 is between the first current potential branch line 230 and the 3rd current potential branch line 260.Or, first current potential branch line 230, second current potential branch line 240 and putting in order of the 3rd current potential branch line 260 are the first current potential branch line 230, second current potential branch line 240, the 3rd current potential branch line 260, second current potential branch line 230, return the first current potential branch line 230, circulate with this.
When applying different voltage respectively in the first current potential main line 210, second current potential main line 220 and the 3rd current potential main line 250, the first coupled current potential branch line 230, second current potential branch line 240 and the 3rd current potential branch line 260 are also respectively with the first current potential, the second current potential and the 3rd current potential.Wherein the first current potential, the second current potential and the pass of the 3rd current potential tie up to for the moment mutually in can be that the first current potential is the highest, the second current potential takes second place, and the 3rd current potential is minimum.Or be that the first current potential is minimum in another phase, the 3rd current potential is the highest, and the second current potential falls between.
With reference to Fig. 4, it illustrates the schematic diagram of another embodiment of electrod-array of the liquid crystal display of display stereopsis of the present invention.Electrod-array 300 comprises current potential main line 310, a 1 second current potential main line 320, multiple first current potential branch line 330, and multiple second current potential branch line 340.First current potential main line 310 is positioned at the side of first substrate 302.First current potential branch line 330 branch is from the first current potential main line 310, and the first current potential branch line 330 is perpendicular to the first current potential main line 310.Second current potential main line 320 is positioned at and side identical with the first current potential main line 310 on first substrate 302.Second current potential branch line 340 branch from the second current potential main line 320, and perpendicular to the second current potential main line 320.First current potential branch line 330 and the second current potential branch line 340 are for being crisscross arranged.
Electrod-array 300 also can include the 3rd current potential main line 350 and the 3rd current potential branch line 360.3rd current potential main line 350 is positioned at side identical with the first current potential main line 310 on first substrate 302.3rd current potential branch line 360 branch from the 3rd current potential main line 350, and perpendicular to the 3rd current potential main line 350.Wherein the 3rd current potential branch line 360 is between adjacent two second current potential branch lines 340.Or, first current potential branch line 330, second current potential branch line 340 and putting in order of the 3rd current potential branch line 360 are the first current potential branch line 330, second current potential branch line 340, the 3rd current potential branch line 360, second current potential branch line 330, return the first current potential branch line 330, circulate with this.
When carrying out stereopsis display, can apply different voltage respectively when the first current potential main line 310, the second current potential main line 320 and the 3rd current potential main line 350 by the same side of first substrate 302, the first coupled current potential branch line 330, second current potential branch line 340 and the 3rd current potential branch line 360 are also respectively with the first current potential, the second current potential and the 3rd current potential.Wherein the first current potential, the second current potential and the pass of the 3rd current potential tie up to for the moment mutually in can be that the first current potential is the highest, the second current potential takes second place, and the 3rd current potential is minimum.Or be that the first current potential is minimum in another phase, the 3rd current potential is the highest, and the second current potential falls between.
From the invention described above preferred embodiment, application the present invention has following advantages.By dielectric layer on an array, electric field change can be made more even, promote image quality.The space that the cabling design of electrod-array more can effectively be saved needed for wiring, and be convenient to provide voltage.
Although the present invention discloses as above with a preferred embodiment; so itself and be not used to limit the present invention; anyly be familiar with this those skilled in the art; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (3)
1. show a liquid crystal display for stereopsis, it is characterized in that, comprise:
One first substrate;
One electrod-array, be formed on this first substrate, wherein this electrod-array comprises:
One first current potential main line, is positioned at the side of this first substrate;
Multiple first current potential branch line, branch is from this first current potential main line, and this first current potential branch line is perpendicular to this first current potential main line;
One second current potential main line, around the outer rim of this first substrate;
Multiple second current potential branch line, branch is from this second current potential main line, this the second current potential branch line is perpendicular to this second current potential main line, this the second current potential branch line is multiple one group, the the second current potential branch line wherein often organized comprises a wire and a folding line, this wire is communicated with this second current potential main line of subtend, and this folding line is set around between this first current potential branch line;
One the 3rd current potential main line, is arranged at the opposite side of this first substrate relative to this first current potential main line; And
Multiple 3rd current potential branch line, branch is from the 3rd current potential main line, and the 3rd current potential branch line is perpendicular to the 3rd current potential main line, and wherein this first current potential branch line, this second current potential branch line and the 3rd current potential branch line are sequentially staggered;
One dielectric layer, is formed on this electrod-array;
One first both alignment layers, arranges on this dielectric layer;
One second substrate;
One common electrode layer, is formed at this second substrate;
One second both alignment layers, is arranged in this common electrode layer; And
One liquid crystal layer, be folded between this first both alignment layers and this second both alignment layers, wherein when applying the first voltage respectively in this first current potential main line and this first current potential branch line, apply the second voltage in this second current potential main line and this second current potential branch line, and applying tertiary voltage when the 3rd current potential main line and the 3rd current potential branch line, the refracting power effects of the liquid crystal arrangement of this liquid crystal layer is equal to convex lens array.
2. the liquid crystal display of display stereopsis according to claim 1, is characterized in that, this second substrate of the complete covering of this common electrode layer is in the face of a surface of this liquid crystal layer.
3. the liquid crystal display of display stereopsis according to claim 1, it is characterized in that, putting in order as this first current potential branch line, this second current potential branch line, the 3rd current potential branch line, this second current potential branch line of this first current potential branch line, this second current potential branch line and the 3rd current potential branch line, circulates with this.
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| CN201110139113.6A CN102799010B (en) | 2011-05-23 | 2011-05-23 | Liquid crystal display for displaying three-dimensional images |
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| CN103698930B (en) * | 2013-12-09 | 2016-09-28 | 深圳超多维光电子有限公司 | A kind of 3 d display device |
| KR102056677B1 (en) * | 2017-09-07 | 2019-12-17 | 엘지디스플레이 주식회사 | Stereoscopic Display device having a barrier panel |
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| KR20080043610A (en) * | 2006-11-14 | 2008-05-19 | 엘지디스플레이 주식회사 | 3-dimension display apparatus and method for making the same |
| CN101341762A (en) * | 2005-12-20 | 2009-01-07 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device |
| KR20090004006A (en) * | 2007-07-06 | 2009-01-12 | 엘지디스플레이 주식회사 | Liquid crystal lens |
| CN101852923A (en) * | 2010-06-10 | 2010-10-06 | 上海交通大学 | Three-dimensional display screen based on single-pixel liquid crystal lens |
| CN102062985A (en) * | 2010-11-16 | 2011-05-18 | 深圳超多维光电子有限公司 | Liquid crystal lens, control method thereof and 3D display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101263697B1 (en) * | 2006-06-27 | 2013-05-10 | 엘지디스플레이 주식회사 | lenticular array and image display device including the same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341762A (en) * | 2005-12-20 | 2009-01-07 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device |
| KR20080043610A (en) * | 2006-11-14 | 2008-05-19 | 엘지디스플레이 주식회사 | 3-dimension display apparatus and method for making the same |
| KR20090004006A (en) * | 2007-07-06 | 2009-01-12 | 엘지디스플레이 주식회사 | Liquid crystal lens |
| CN101852923A (en) * | 2010-06-10 | 2010-10-06 | 上海交通大学 | Three-dimensional display screen based on single-pixel liquid crystal lens |
| CN102062985A (en) * | 2010-11-16 | 2011-05-18 | 深圳超多维光电子有限公司 | Liquid crystal lens, control method thereof and 3D display device |
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