CN201788337U - Liquid crystal display device with vertical orientation mode - Google Patents
Liquid crystal display device with vertical orientation mode Download PDFInfo
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- CN201788337U CN201788337U CN2010202864867U CN201020286486U CN201788337U CN 201788337 U CN201788337 U CN 201788337U CN 2010202864867 U CN2010202864867 U CN 2010202864867U CN 201020286486 U CN201020286486 U CN 201020286486U CN 201788337 U CN201788337 U CN 201788337U
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- liquid crystal
- alignment film
- conductive glass
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Abstract
The utility model relates to a liquid crystal display device, in particular to a liquid crystal display device with a vertical orientation mode, which comprises an upper polaroid, upper conductive glass, a liquid crystal layer, lower conductive glass and a lower polaroid. A light transmitting axis of the upper polaroid is mutually orthogonal to a light transmitting axis of the lower polaroid, a vertically oriented upper alignment film is arranged on the lower surface of the upper conductive glass, a vertically oriented lower alignment film is arranged on the upper surface of the lower conductive glass, and inclined netted micro-grooves are arranged on both the upper alignment film and the lower alignment film. Liquid crystal molecules can incline to all directions when the liquid crystal display device with a vertical orientation mode is in the condition of exertion of voltage due to the fact that the inclined netted micro-grooves are arranged on both the upper alignment film and the lower alignment film, polydomain array of the liquid crystal molecules is formed in each pixel to effectively optically compensate light in all directions, and thereby the liquid crystal display device is wider in visual angle range.
Description
Technical field
The utility model relates to a kind of liquid crystal indicator, is specifically related to a kind of liquid crystal indicator of vertical alignment mode.
Background technology
In the prior art, the liquid crystal indicator of vertical alignment mode uses the liquid crystal that shows negative dielectric anisotropic to constitute liquid crystal layer.Liquid crystal indicator at vertical alignment mode does not apply under the voltage condition, and liquid crystal molecule is arranged perpendicular to electro-conductive glass; Liquid crystal indicator at vertical alignment mode applies under the voltage condition, and liquid crystal molecule trends towards the direction of vertical electric field and arranges.In order to make the liquid crystal indicator of vertical alignment mode have wideer visual angle, by in pixel, designing different farmland (subregion), the angle of inclination difference of the liquid crystal molecule on each farmland, make that the indicating characteristic of pixel is wherein each the farmland effect of integral mean spatially, so that people can obtain the optical compensation of respective direction when different directions is watched liquid crystal indicator, make the vision difference of people when different directions is watched liquid crystal indicator less.
A kind of superelevation contrast and super liquid crystal display apparatus with wide viewing angle are disclosed as Chinese utility model patent (patent No. is 200920129398.3), it is the liquid crystal indicator of vertical alignment mode, it comprises electro-conductive glass and following electro-conductive glass, be provided with polaroid above the last electro-conductive glass He below the following electro-conductive glass, between last electro-conductive glass and following electro-conductive glass is liquid crystal layer, the lower surface of last electro-conductive glass be printed with vertical orientation on alignment film 600, be printed with the following alignment film 700 of vertical orientation at the upper surface of following electro-conductive glass, as Fig. 1, shown in Figure 2, last alignment film 600 and following alignment film 700 are provided with the little longitudinally groove row 800 that are arranged in parallel, leave the gap between adjacent little longitudinally groove row 800 of last alignment film 600, leave the gap between adjacent little longitudinally groove row 800 of following alignment film 700, be dislocation arrangement between little groove row 800 of last alignment film 600 and the little groove row 800 of following alignment film 700.This structure makes the angular field of view of liquid crystal indicator improve.Wherein, little groove be by carry out on the alignment film surface directly to the micron-sized minor groove that forms of rubbing, for example friction matching film surface from bottom to up will form little longitudinally groove on the alignment film surface.
In above-mentioned patented technology, applying under the voltage condition, liquid crystal molecule is subjected to the electric field effects oblique arrangement, yet,, make that the vergence direction of liquid crystal molecule is comparatively single because little groove row of alignment film surface distributed are vertical arrangement, liquid crystal molecule can not tilt to all directions, it can not provide optical compensation to all directions, the optical compensation that it has limited in one's ability, thus caused the angular field of view of this liquid crystal indicator still less.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, and the liquid crystal indicator of the wideer vertical alignment mode of a kind of angular field of view is provided.
The purpose of this utility model realizes by following scheme: a kind of liquid crystal indicator of vertical alignment mode, comprise the last polaroid that sets gradually from top to bottom, last electro-conductive glass, liquid crystal layer, following electro-conductive glass and following polaroid, wherein, the light transmission shaft of last polaroid is mutually orthogonal with the light transmission shaft of following polaroid, the lower surface of last electro-conductive glass be provided with vertical orientation on alignment film, be provided with the following alignment film of vertical orientation at the upper surface of following electro-conductive glass, it is characterized in that: described upward alignment film and described alignment film down are provided with oblique netted little groove, oblique netted little groove of last alignment film and following alignment film forms by a plurality of little groove row that are tilted to the left that are arranged in parallel and a plurality of little groove column interleaving arrangement that is tilted to the right that is arranged in parallel, little groove row that are tilted to the left and the little groove that is tilted to the right are listed as by a plurality of little grooves that are arranged in parallel and constitute, leave the gap between the adjacent little groove row that are tilted to the left, leave the gap between the adjacent little groove row that are tilted to the right, be dislocation arrangement between the little groove row that are tilted to the left of the little groove row that are tilted to the left of last alignment film and following alignment film, be dislocation arrangement between the little groove row that are tilted to the right of the little groove row that are tilted to the right of last alignment film and following alignment film.
Described liquid crystal layer comprises liquid crystal, at the sark in the support of filling between last electro-conductive glass and following electro-conductive glass appropriateness space and the envelope frame glue of setting all around between last electro-conductive glass and following electro-conductive glass, last electro-conductive glass, following electro-conductive glass and the sealing of envelope frame glue form airtight inner chamber, and liquid crystal is filled in this airtight inner chamber.
Described upward polaroid and described polaroid down are plane phasic difference and vertical direction phasic difference biaxial compensation film polaroid all with compensation for.
Advantage of the present utility model is: because the last alignment film of the liquid crystal indicator of vertical alignment mode of the present utility model and following alignment film are provided with oblique netted little groove, when being in, the utility model applies under the voltage condition, liquid crystal molecule trends towards the direction of vertical electric field and arranges, oblique netted little groove of last alignment film and following alignment film makes liquid crystal molecule tilt to all directions, the multidomain that has all formed liquid crystal molecule in each pixel is arranged, make the light on all directions all obtain effective optical compensation, make people's vision difference when different directions is watched the liquid crystal indicator of vertical alignment mode of the present utility model less, make the utility model that wideer angular field of view arranged.
Description of drawings
Fig. 1 is the structural representation of groove of last alignment film of liquid crystal indicator of the vertical alignment mode of prior art;
Fig. 2 is the structural representation of groove of following alignment film of liquid crystal indicator of the vertical alignment mode of prior art;
Fig. 3 is the transverse sectional view of the liquid crystal indicator of vertical alignment mode of the present utility model;
Fig. 4 is the Liquid Crystal Molecules Alignment synoptic diagram of the amplification of liquid crystal indicator under "on" position of vertical alignment mode of the present utility model;
Fig. 5 is the Liquid Crystal Molecules Alignment synoptic diagram of the amplification of liquid crystal indicator under the no power state of vertical alignment mode of the present utility model;
Fig. 6 is the structural representation of oblique netted little groove of last alignment film of the liquid crystal indicator of vertical alignment mode of the present utility model;
Fig. 7 is the structural representation of oblique netted little groove of following alignment film of the liquid crystal indicator of vertical alignment mode of the present utility model.
Description of reference numerals:
In Fig. 1, Fig. 2
600---go up alignment film; 700---following alignment film;
800---little longitudinally groove row;
In Fig. 3 to Fig. 7
100---go up polaroid; 200---go up electro-conductive glass;
300---liquid crystal layer; 310---liquid crystal;
320---oblique netted little groove; 321---the little groove row that are tilted to the left;
322---the little groove row that are tilted to the right; 330---envelope frame glue;
340---go up alignment film; 350---following alignment film;
360---liquid crystal molecule; 400---following electro-conductive glass;
500---following polaroid.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As Fig. 3, Fig. 6, shown in Figure 7, a kind of liquid crystal indicator of vertical alignment mode, comprise the last polaroid 100 that sets gradually from top to bottom, last electro-conductive glass 200, liquid crystal layer 300, following electro-conductive glass 400 and following polaroid 500, wherein, the light transmission shaft of last polaroid 100 is mutually orthogonal with the light transmission shaft of following polaroid 500, the lower surface of last electro-conductive glass 200 be provided with vertical orientation on alignment film 340, be provided with the following alignment film 350 of vertical orientation at the upper surface of following electro-conductive glass 400, last alignment film 340 and following alignment film 350 are provided with oblique netted little groove 320, oblique netted little groove 320 of last alignment film 340 and following alignment film 350 forms by the arrangement that interweaves of a plurality of little groove row 321 that are tilted to the left that are arranged in parallel and a plurality of little groove row 322 that are tilted to the right that are arranged in parallel, little groove row 321 that are tilted to the left and the little groove row 322 that are tilted to the right constitute by a plurality of little grooves that are arranged in parallel, leave the gap between the adjacent little groove row 321 that are tilted to the left, leave the gap between the adjacent little groove row 322 that are tilted to the right, be dislocation arrangement between the little groove row 321 that are tilted to the left of last alignment film 340 and the little groove row 321 that are tilted to the left of following alignment film 350, be dislocation arrangement between the little groove row 322 that are tilted to the right of last alignment film 340 and the little groove row 322 that are tilted to the right of following alignment film 350.
In the utility model, last alignment film 340 and following alignment film 350 have all formed oblique netted little groove 320 through repeatedly diagonal cross friction on last alignment film 340 and following alignment film 350.Wherein, repeatedly the diagonal cross friction is that the friction of repeatedly last alignment film 340 being carried out from the lower left corner to the upper right corner and from the lower right corner to the upper left corner forms little groove row 322 that are tilted to the right and the little groove row 321 that are tilted to the left respectively, or the friction that following alignment film 350 is carried out from the lower left corner to the upper right corner and from the lower right corner to the upper left corner forms little groove row 322 that are tilted to the right and the little groove row 321 that are tilted to the left respectively.
The utility model as shown in Figure 5, is not applying under the voltage condition when work, and liquid crystal molecule 360 is arranged perpendicular to electro-conductive glass; As shown in Figure 4, liquid crystal indicator at vertical alignment mode applies under the voltage condition, liquid crystal molecule 360 trends towards the direction of vertical electric field and arranges, oblique netted little groove 320 of last alignment film 340 and following alignment film 350 makes liquid crystal molecule 360 tilt to all directions, the multidomain that has all formed liquid crystal molecule 360 in each pixel is arranged, and has enlarged angular field of view of the present utility model.
In the utility model, liquid crystal layer 300 comprises liquid crystal 310, at the sark in the support appropriateness space of filling between last electro-conductive glass 200 and the following electro-conductive glass 400 and the envelope frame glue 330 of setting all around between last electro-conductive glass 200 and following electro-conductive glass 400, last electro-conductive glass 200, following electro-conductive glass 400 and 330 sealings of envelope frame glue form airtight inner chamber, and liquid crystal 310 is filled in this airtight inner chamber.
In the utility model, last polaroid 100 and following polaroid 500 all can adopt plane phasic difference and vertical direction phasic difference biaxial compensation film polaroid all with compensation for, because this biaxial compensation film polaroid has higher degree of polarization, it has reduced the utility model at the transmittance that does not apply under the voltage condition, has improved demonstration contrast of the present utility model and visible angle.
Should be noted that at last; above content is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although this embodiment part has been done to explain to the utility model; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (3)
1. the liquid crystal indicator of a vertical alignment mode, comprise the last polaroid that sets gradually from top to bottom, last electro-conductive glass, liquid crystal layer, following electro-conductive glass and following polaroid, wherein, the light transmission shaft of last polaroid is mutually orthogonal with the light transmission shaft of following polaroid, the lower surface of last electro-conductive glass be provided with vertical orientation on alignment film, be provided with the following alignment film of vertical orientation at the upper surface of following electro-conductive glass, it is characterized in that: described upward alignment film and described alignment film down are provided with oblique netted little groove, oblique netted little groove of last alignment film and following alignment film forms by a plurality of little groove row that are tilted to the left that are arranged in parallel and a plurality of little groove column interleaving arrangement that is tilted to the right that is arranged in parallel, little groove row that are tilted to the left and the little groove that is tilted to the right are listed as by a plurality of little grooves that are arranged in parallel and constitute, leave the gap between the adjacent little groove row that are tilted to the left, leave the gap between the adjacent little groove row that are tilted to the right, be dislocation arrangement between the little groove row that are tilted to the left of the little groove row that are tilted to the left of last alignment film and following alignment film, be dislocation arrangement between the little groove row that are tilted to the right of the little groove row that are tilted to the right of last alignment film and following alignment film.
2. according to the liquid crystal indicator of the described vertical alignment mode of claim 1, it is characterized in that: described liquid crystal layer comprises liquid crystal, at the sark in the support of filling between last electro-conductive glass and following electro-conductive glass appropriateness space and the envelope frame glue of setting all around between last electro-conductive glass and following electro-conductive glass, last electro-conductive glass, following electro-conductive glass and the sealing of envelope frame glue form airtight inner chamber, and liquid crystal is filled in this airtight inner chamber.
3. according to the liquid crystal indicator of claim 1 or 2 described vertical alignment modes, it is characterized in that: described upward polaroid and described polaroid down are plane phasic difference and vertical direction phasic difference biaxial compensation film polaroid all with compensation for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202864867U CN201788337U (en) | 2010-08-09 | 2010-08-09 | Liquid crystal display device with vertical orientation mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202864867U CN201788337U (en) | 2010-08-09 | 2010-08-09 | Liquid crystal display device with vertical orientation mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788337U true CN201788337U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202864867U Expired - Lifetime CN201788337U (en) | 2010-08-09 | 2010-08-09 | Liquid crystal display device with vertical orientation mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091919A (en) * | 2013-01-25 | 2013-05-08 | 北京京东方光电科技有限公司 | Array substrate, preparation method of array substrate and display device of array substrate |
| CN104460116A (en) * | 2014-12-19 | 2015-03-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
-
2010
- 2010-08-09 CN CN2010202864867U patent/CN201788337U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091919A (en) * | 2013-01-25 | 2013-05-08 | 北京京东方光电科技有限公司 | Array substrate, preparation method of array substrate and display device of array substrate |
| CN103091919B (en) * | 2013-01-25 | 2015-04-08 | 北京京东方光电科技有限公司 | Array substrate, preparation method of array substrate and display device of array substrate |
| CN104460116A (en) * | 2014-12-19 | 2015-03-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
| CN104460116B (en) * | 2014-12-19 | 2017-03-29 | 京东方科技集团股份有限公司 | A kind of display panels, its manufacture method and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |