CN203673193U - Liquid crystal lens and three-dimensional display device - Google Patents
Liquid crystal lens and three-dimensional display device Download PDFInfo
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- CN203673193U CN203673193U CN201420031165.0U CN201420031165U CN203673193U CN 203673193 U CN203673193 U CN 203673193U CN 201420031165 U CN201420031165 U CN 201420031165U CN 203673193 U CN203673193 U CN 203673193U
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- liquid crystal
- crystal lens
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- shaped electric
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 64
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The embodiment of the utility model provides a liquid crystal lens and a three-dimensional display device. The liquid crystal lens and the display device are used for achieving the purposes that signal delay between electrodes in the liquid crystal lens is the same and the moire phenomenon is reduced or eliminated. The liquid crystal lens comprises a first substrate, a second substrate, a liquid crystal layer and a plurality of strip electrodes, wherein the first substrate and the second substrate are oppositely arranged, the liquid crystal layer is arranged between the first substrate and the second substrate, and the strip electrodes are distributed at the portion, close to one side of the liquid crystal layer, of at least one of the first substrate and the second substrate in a parallel mode. The extension directions of the strip electrodes are parallel with the row direction or column direction of pixels in a display panel. The strip electrodes comprise a plurality of strip sub-electrodes sequentially connected in an end-to-end mode, and a set included angle is formed between the extension direction of each strip sub-electrode and the extension direction of each strip electrode.
Description
Technical field
The utility model relates to display technique field, relates in particular to a kind of liquid crystal lens and three-dimensional (3D) display device.
Background technology
At present, realize the front that display device that bore hole 3D shows is positioned at the array of source of liquid crystal display (LCD) veils such as grating barrier (Barrier) or liquid crystal lens are set, utilize grating barrier or liquid crystal lens before display panel, to form some vision areas, the light that on display panel, different sub-pixs unit sends is shot down in different visual fields, and beholder's eyes drop on generation 3D sensation in different visual fields.
Wherein, the principle of liquid crystal lens is to utilize liquid crystal molecule birefringent characteristic, and change alignment characteristics with Electric Field Distribution and make light beam focus on or disperse, control the orientation of liquid crystal molecule by changing voltage, and then can realize and in little space, reach effective optical zoom effect.
Prior art liquid crystal lens comprises multiple being parallel to each other and the lens unit of adjacency, and each described lens unit plays and disperses or converge effect the light of the light from the left visual field of display panel and right visual field.Described each lens unit is corresponding with the adjacent two row sub-pix unit on display panel, and wherein a row sub-pix unit shows the image corresponding with described left visual field, and another row sub-pix unit shows the image corresponding with described right visual field.Usually, liquid crystal lens comprises: the first substrate being oppositely arranged and second substrate, and the liquid crystal layer between first substrate and second substrate, first substrate and second substrate are respectively arranged with the first electrode and the second electrode near a side of liquid crystal layer.Prior art, the first electrode or the second electrode are multiple strip shaped electric poles that are arranged parallel to each other 100 as shown in Figure 1; The rectangular shape of each strip shaped electric poles 100, each strip shaped electric poles 100 with in display panel 20 in the row direction or column direction distribute black matrix parallel.In the time realizing image demonstration, while seeing through each strip shaped electric poles 100 from the light of backlight or external light source, be parallel to each other distribute black matrix and strip shaped electric poles 100 between there will be slit diffraction phenomenon, on display panel, there will be moire fringes phenomenon, the depth of parallelism between described black matrix and strip shaped electric poles 100 is higher, and moire fringes phenomenon is more obvious.
There is moire fringes phenomenon in order to solve above-mentioned display panel in prior art, by strip shaped electric poles 100 be set to display panel 20 in the row direction or column direction distribute black matrix there is certain angle, concrete structure as shown in Figure 2, for rectangular shape display panel, the length of each strip shaped electric poles 100 is not etc., cause thering is signal delay between different strip shaped electric poles 100, have a strong impact on the display effect of 3D.In addition, as shown in Figure 3, with the strip shaped electric poles 100 shown in Fig. 2 one by one arranging of corresponding connected lead-in wire 200 cannot avoid existing the region intersecting, institute leaded 200 cannot be completing in composition technique successively, causes the manufacturing process of lead-in wire 200 of the strip shaped electric poles 100 shown in Fig. 2 more complicated.
Utility model content
The utility model embodiment provides a kind of liquid crystal lens and three-dimensional display apparatus, exists moire fringes bad in order to eliminate when available liquid crystal lens are realized 3-D view demonstration.
The liquid crystal lens that the utility model embodiment provides comprises: the first substrate being oppositely arranged and second substrate, liquid crystal layer between first substrate and second substrate, and being positioned at one of at least upper multiple strip shaped electric poles that are parallel to each other and distribute near liquid crystal layer one side of first substrate and second substrate, the bearing of trend of described strip shaped electric poles is parallel with line direction or the column direction of pixel in display panel;
Described strip shaped electric poles comprises the strip sub-electrode that multiple head and the tail are connected successively, and the bearing of trend of each strip sub-electrode and the bearing of trend of described strip shaped electric poles are setting angle.
Preferably, the strip sub-electrode in described each strip shaped electric poles is equal in length.
Preferably, the bearing of trend of described each strip sub-electrode is consistent.
Preferably, described setting angle is 0～45 °.
Preferably, described setting angle is 18.43 °, 15.53 ° or 12.53 °.
Preferably, the line of centres of described each strip sub-electrode and the bearing of trend of described strip shaped electric poles parallel.
Preferably, described strip shaped electric poles distributes along the direction parallel with the long limit of sub-pixel in described display panel.
Preferably, described strip shaped electric poles distributes along the direction parallel with the minor face of sub-pixel in described display panel.
Preferably, described each strip sub-electrode is positioned at the region corresponding with one or more sub-pixels.
The utility model embodiment provides a kind of three-dimensional display apparatus, comprises display panel and is positioned at the liquid crystal lens of described display panel bright dipping side; Described liquid crystal lens is the liquid crystal lens of above-mentioned either type.
The utility model embodiment provides a kind of liquid crystal lens, by a kind of novel strip shaped electric poles structure is provided, in the time carrying out 3D rendering demonstration, can eliminate moire fringes bad phenomenon.Particularly, described electrode structure comprises the strip sub-electrode that multiple head and the tail are connected successively, the bearing of trend of each strip sub-electrode and the bearing of trend of described strip shaped electric poles are setting angle, and the bearing of trend of described strip shaped electric poles is parallel with line direction or the column direction of pixel in display panel; Therefore, each strip shaped electric poles equal in length, equates the delay of signal, does not affect the display effect of liquid crystal lens.Simultaneously, the bearing of trend of strip shaped electric poles is parallel with line direction or the column direction of pixel in display panel, that is to say, the bearing of trend of strip shaped electric poles is parallel with line direction or the column direction of black matrix in display panel, the line direction of each strip sub-electrode and black matrix or column direction exist sets angle, diffraction between black matrix and strip shaped electric poles and interference slacken or eliminate, and then slacken or eliminate because of diffraction and interfere the moire fringes of the three-dimensional display apparatus causing bad.
Accompanying drawing explanation
Fig. 1 is one of strip shaped electric poles structural representation in prior art liquid crystal lens;
Fig. 2 is two of strip shaped electric poles structural representation in prior art liquid crystal lens;
Fig. 3 is the pin configuration schematic diagram of the strip shaped electric poles in prior art liquid crystal lens;
Fig. 4 for the utility model embodiment provide do not apply voltage time liquid crystal lens schematic cross-section;
Fig. 5 is the schematic top plan view of the strip shaped electric poles shown in Fig. 4;
Fig. 6 is the local enlarged diagram of the strip shaped electric poles shown in Fig. 5;
The structural representation that the strip shaped electric poles that Fig. 7 provides for the utility model embodiment and the lead-in wire of strip shaped electric poles are arranged;
Strip sub-electrode in the strip shaped electric poles that Fig. 8 provides for the utility model embodiment be oppositely arranged structural representation;
The structural representation of one of set-up mode of the strip shaped electric poles that Fig. 9 provides for the utility model embodiment;
Two structural representation of the set-up mode of the strip shaped electric poles that Figure 10 provides for the utility model embodiment;
Three structural representation of the set-up mode of the strip shaped electric poles that Figure 11 provides for the utility model embodiment;
The three-dimensional display apparatus structural representation that Figure 12 provides for the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of liquid crystal lens and three-dimensional display apparatus, bad in order to eliminate the moire fringes existing when available liquid crystal lens are realized 3-D view demonstration.
Illustrate below with reference to accompanying drawing the technical scheme that the utility model embodiment provides.
Referring to Fig. 4, for the utility model embodiment provide do not apply voltage time liquid crystal lens schematic cross-section, comprising:
The first substrate 1 being oppositely arranged and second substrate 2, the liquid crystal layer 3 between first substrate 1 and second substrate 2, and be positioned at one of at least upper multiple strip shaped electric poles that are parallel to each other and distribute near liquid crystal layer 3 one sides of first substrate 1 and second substrate 2.
Liquid crystal lens shown in Fig. 4, wherein a kind of embodiment is: on first substrate 1, be provided with the first electrode 4, it is multiple strip shaped electric poles that are parallel to each other and distribute that the second electrode 5, the second electrodes 5 are set on second substrate 2, and the first electrode 4 is plate electrode.
It should be noted that, the liquid crystal lens shown in Fig. 4 only, for strip shaped electric poles of the present utility model is described, is not limited to the concrete structure of liquid crystal lens of the present utility model, that is to say, the first electrode 4 shown in Fig. 4 is not limited to tabular, can be also strip.The second electrode 5 is not limited to strip also can be for tabular.Preferably, one of the first electrode and second electrode are plate electrode, and another is strip shaped electric poles.
Referring to Fig. 5, it is the schematic top plan view of the strip shaped electric poles 5 shown in Fig. 4;
The bearing of trend of strip shaped electric poles 5 is parallel with line direction or the column direction of pixel in display panel 6; As shown in Figure 5, the line segment with arrow is the bearing of trend of strip shaped electric poles 5.
Referring to Fig. 6, be the local enlarged diagram of strip shaped electric poles 5, strip shaped electric poles 5 comprises: the strip sub-electrode 51 that multiple head and the tail are connected successively, the bearing of trend of the bearing of trend of each strip sub-electrode 51 and strip shaped electric poles 5 is sets angle α.As shown in Figure 6, the line segment with arrow is the bearing of trend of strip shaped electric poles 5, and this bearing of trend is also column direction.Phantom line segments represents the bearing of trend of strip sub-electrode.
From the liquid crystal lens shown in Fig. 4 to Fig. 6 cut and liquid crystal lens in electrode structure, the bearing of trend of strip shaped electric poles 5 is parallel with line direction or the column direction of pixel in display panel, that is to say, the bearing of trend of strip shaped electric poles 5 is parallel with line direction or the column direction of black matrix in display panel, the distribution of black matrix is along line direction and the column direction of pixel in display panel, there is setting angle α with line direction or the column direction of black matrix in each strip sub-electrode 51, gap between black matrix and strip shaped electric poles is irregular, therefore, make diffraction and/or interference between black matrix and strip shaped electric poles slacken or eliminate, and then the moire fringes that slackens or eliminate the three-dimensional display apparatus causing because of diffraction and/or interference is bad.In addition, the bearing of trend of strip shaped electric poles 5 is parallel with line direction or the column direction of pixel in display panel, can realize each strip shaped electric poles length consistent, has solved the strip shaped electric poles unequal problem of the signal delay causing that causes different in size.Further, as shown in Figure 7, the strip shaped electric poles 5 providing with the utility model embodiment one by one corresponding connected lead-in wire 52 rules is arranged, each lead-in wire 52 is without intersection, arrangement is simple, and can be formed on same rete by a composition technique, and manufacture craft is simple.
Preferably, the strip sub-electrode in described each strip shaped electric poles equal in length, the strip sub-electrode rule in each strip shaped electric poles is arranged, and can realize better 3-D display effect.
The bearing of trend of the each strip sub-electrode in each strip shaped electric poles is consistent or partly consistent.
Fig. 5 is consistent with the bearing of trend of the each strip sub-electrode 51 in the strip shaped electric poles 5 shown in Fig. 6, extends towards same direction.
Referring to Fig. 8, it is the not quite identical wherein a kind of preferred embodiment of the bearing of trend of each strip sub-electrode 51.In strip shaped electric poles 5 shown in Fig. 8, the bearing of trend of odd number strip sub-electrode 51 is consistent, and the bearing of trend of even number strip sub-electrode 51 is consistent.
Preferably, described setting angle is 0～45 °, and wherein, 12.53 °, 18.43 °, 15.53 ° are and preferably set angle, slackens or eliminate the bad effect of the moire fringes of the three-dimensional display apparatus causing because of diffraction and/or interference better.
As shown in Figure 8, preferably, the line of the center O of each strip sub-electrode 51 parallels with the bearing of trend of strip shaped electric poles 5, further guarantees that described strip shaped electric poles linearly distributes on the whole, on the whole along line direction or the column direction of sub-pixel.
Usually, sub-pixel is regular rectangle, and the line direction of sub-pixel or column direction parallel with long limit or the minor face of described sub-pixel.The shape of the sub-pixel that the utility model embodiment provides is not limited to rectangle, can be also polygon etc.
In the time that sub-pixel is regular figure, preferably, described strip shaped electric poles distributes along the direction parallel with the long limit of sub-pixel in described display panel.
Preferably, described strip shaped electric poles distributes along the direction parallel with the minor face of sub-pixel in described display panel.
In order to be illustrated more clearly in the relative position of described strip shaped electric poles and sub-pixel, illustrate below with reference to accompanying drawing.
Referring to Fig. 9, display panel 6 comprises the multiple sub-pixel 61 that ranks distribute, rectangular shapes in region that sub-pixel 61 covers of being;
Strip shaped electric poles 5 in liquid crystal lens 7 distributes along the direction parallel with the long limit of sub-pixel in display panel 61; Or strip shaped electric poles 5 distributes along the direction parallel with the minor face of sub-pixel 61 in display panel 6.
Strip shaped electric poles 5 shown in Fig. 9 distributes along the direction parallel with the long limit of sub-pixel in display panel 61.
Strip shaped electric poles 5 shown in Figure 10 distributes along the direction parallel with 61 minor faces of sub-pixel in display panel.
Preferably, shown in Fig. 9 or Figure 10, each strip sub-electrode 51 is positioned at the region corresponding with one or more sub-pixels, in the time that liquid crystal lens and display panel combination are three-dimensional display apparatus, orthogonal projection that each strip sub-electrode 51 at display panel is covers one or adjacent multiple sub-pixels 61 successively, and each strip sub-electrode 51 extends to the another side of this sub-pixel or extends to the another side of adjacent successively multiple sub-pixels from one side of a sub-pixel 61.
Electrode structure shown in Fig. 9 and Figure 10 is that each strip sub-electrode 51 is corresponding with a sub-pixel.
Electrode structure shown in Figure 11 is that each strip sub-electrode 51 is corresponding with two sub-pixels.Figure 11 is only an embodiment, and the orthogonal projection that each strip sub-electrode 51 at display panel is covers the example of adjacent multiple sub-pixels 61 successively and no longer illustrates.
From the structure of strip shaped electric poles shown in Fig. 9 to Figure 11, strip shaped electric poles 5 distributes along the direction parallel with the long limit of sub-pixel in display panel 61; Or strip shaped electric poles 5 distributes along the direction parallel with the minor face of sub-pixel 61 in display panel 6.Because the long limit of sub-pixel 61 is parallel with pixel column or pixel column respectively with minor face, therefore, the bearing of trend of strip shaped electric poles 5 is parallel with line direction or the column direction of black matrix in display panel, the distribution of black matrix is along line direction and the column direction of pixel in display panel, there is setting angle α with line direction or the column direction of black matrix in each strip sub-electrode 51, gap between black matrix and strip shaped electric poles is irregular, therefore, make diffraction and/or interference between black matrix and strip shaped electric poles slacken or eliminate, and then the moire fringes that slackens or eliminate the three-dimensional display apparatus causing because of diffraction and/or interference is bad.
The concrete structure of the three-dimensional display apparatus that the utility model embodiment provides will be illustrated below.
Referring to Figure 12, the three-dimensional display apparatus structural section schematic diagram providing for the utility model embodiment;
Comprise display panel 6 and be positioned at the liquid crystal lens 7 of display panel bright dipping side;
Be provided with the three-dimensional display apparatus of the liquid crystal lens that the utility model embodiment provides, can slacken or eliminate because of diffraction and interfere the moire fringes of the three-dimensional display apparatus causing bad, can also avoid, because of the problem that causes that signal delay does not wait different in size between strip shaped electric poles, realizing the more 3-D view of high-quality and showing simultaneously.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. a liquid crystal lens, comprise: the first substrate being oppositely arranged and second substrate, liquid crystal layer between first substrate and second substrate, and be positioned at one of at least upper multiple strip shaped electric poles that are parallel to each other and distribute near liquid crystal layer one side of first substrate and second substrate, it is characterized in that, the bearing of trend of described strip shaped electric poles is parallel with line direction or the column direction of pixel in display panel;
Described strip shaped electric poles comprises the strip sub-electrode that multiple head and the tail are connected successively, and the bearing of trend of each strip sub-electrode and the bearing of trend of described strip shaped electric poles are setting angle.
2. liquid crystal lens according to claim 1, is characterized in that, the strip sub-electrode in described each strip shaped electric poles equal in length.
3. liquid crystal lens according to claim 1, is characterized in that, the bearing of trend of described each strip sub-electrode is consistent.
4. liquid crystal lens according to claim 1, is characterized in that, described setting angle is 0～45 °.
5. liquid crystal lens according to claim 4, is characterized in that, described setting angle is 18.43 °, 15.53 ° or 12.53 °.
6. liquid crystal lens according to claim 1, is characterized in that, the line of centres of described each strip sub-electrode parallels with the bearing of trend of described strip shaped electric poles.
7. liquid crystal lens according to claim 1, is characterized in that, described strip shaped electric poles distributes along the direction parallel with the long limit of sub-pixel in described display panel.
8. liquid crystal lens according to claim 1, is characterized in that, described strip shaped electric poles distributes along the direction parallel with the minor face of sub-pixel in described display panel.
9. according to the liquid crystal lens described in claim 7 or 8, it is characterized in that, described each strip sub-electrode is positioned at the region corresponding with one or more sub-pixels.
10. a three-dimensional display apparatus, is characterized in that, comprises display panel and is positioned at the liquid crystal lens of described display panel bright dipping side; Described liquid crystal lens is the liquid crystal lens described in the arbitrary claim of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031165.0U CN203673193U (en) | 2014-01-17 | 2014-01-17 | Liquid crystal lens and three-dimensional display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031165.0U CN203673193U (en) | 2014-01-17 | 2014-01-17 | Liquid crystal lens and three-dimensional display device |
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| Publication Number | Publication Date |
|---|---|
| CN203673193U true CN203673193U (en) | 2014-06-25 |
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| CN201420031165.0U Expired - Lifetime CN203673193U (en) | 2014-01-17 | 2014-01-17 | Liquid crystal lens and three-dimensional display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777416A (en) * | 2014-01-17 | 2014-05-07 | 京东方科技集团股份有限公司 | Liquid-crystal lens and three-dimensional displaying device |
-
2014
- 2014-01-17 CN CN201420031165.0U patent/CN203673193U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777416A (en) * | 2014-01-17 | 2014-05-07 | 京东方科技集团股份有限公司 | Liquid-crystal lens and three-dimensional displaying device |
| WO2015106507A1 (en) * | 2014-01-17 | 2015-07-23 | 京东方科技集团股份有限公司 | Liquid crystal lens and three-dimensional display device |
| US9638964B2 (en) | 2014-01-17 | 2017-05-02 | Boe Technology Group Co., Ltd. | Liquid crystal lens and three-dimensional display device |
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Granted publication date: 20140625 |
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