CN102520545A - Wide-angle liquid crystal display - Google Patents
Wide-angle liquid crystal display Download PDFInfo
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- CN102520545A CN102520545A CN201210003529XA CN201210003529A CN102520545A CN 102520545 A CN102520545 A CN 102520545A CN 201210003529X A CN201210003529X A CN 201210003529XA CN 201210003529 A CN201210003529 A CN 201210003529A CN 102520545 A CN102520545 A CN 102520545A
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Abstract
The invention discloses a wide-angle liquid crystal display. The wide-angle liquid crystal display comprises a first substrate, liquid crystal molecules, a common electrode, a pixel electrode, a protection layer, a second substrate, a gate line and a source line, wherein parallel indium tin oxide (ITO) metal lines are tunneled in the common electrode which corresponds to the pixel electrode at intervals; and the ITO metal lines are folded lines to make the common electrode and the pixel electrode form electric fields in different directions, and the liquid crystal molecules are driven to be subjected to multi-domain display. Compared with the prior art, the wide-angle liquid crystal display has the advantages that: straight ITO metal lines on the common electrode are replaced by the folded ITO metal lines, so that single-direction electric fields between the common electrode and the pixel electrode are changed into multi-direction electric fields, the liquid crystal molecules are oriented multi-directionally, and the problem of color offset of the wide-angle liquid crystal display in the prior art is effectively solved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of wide-angle liquid crystal display.
Background technology
TFT (Thin Film Transistor, TFT) is meant that each the liquid crystal pixel point on the wide-angle liquid crystal display all is to be driven by the thin film transistor (TFT) that is integrated in thereafter, thus high brightness high-contrast display screen information at full speed.Increasing being used during the TFT LCD is lived in modern times is like mobile phone display screen, GPS display screen, computer display screen, MP3 display screen etc.
In the prior art, as shown in Figure 1, the TFT wide-angle liquid crystal display comprises: first substrate 101, liquid crystal molecule 102, public electrode 103, protective seam 104, pixel electrode 105, second substrate 106, source layer 107, grid layer 108, amorphous silicon layer 109 etc.In procedure for displaying, public electrode and pixel electrode 105 form electric field after obtaining charging, can drives liquid crystal molecules 102 flip horizontals, show bright dark degree with control.Wherein, pixel electrode 105 is corresponding one by one with pixel, and each pixel electrode 105 is the metal solid layer, and public electrode 103 corresponding each pixel electrode 105 are emptied processing, form spaced ITO metal wire, is not had the ITO metal by the place of emptying.Shown in Figure 2ly be single pixel public electrode corresponding, that have transversal I TO metal wire 1, wherein, ITO metal wire 1 with for opening Gate line 2 that the TFT transistor provides voltage in the same way; Shown in Figure 3ly be single pixel public electrode corresponding, that have vertical ITO metal wire 1, wherein, ITO metal wire 1 with as the Source line 3 of pixel electrode charging circuit in the same way.
Because ITO metal wire arrangement mode such as Fig. 2 or shown in Figure 3 in the prior art; Make that the formed plane electric fields direction of public electrode and pixel electrode is single; Therefore, driven liquid crystal molecule is the single domain pattern, and the liquid crystal molecular orientation design has unicity in the promptly single sub-pix.And under this single domain pattern, after the Liquid Crystal Molecules Alignment orientation, when different visual angles is watched,, thereby produce colour cast because the transmitance of liquid crystal molecule is different.
The colour cast that how to reduce in the wide-angle liquid crystal display is a problem that merits attention.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of wide-angle liquid crystal display, and to reduce the colour cast of wide-angle liquid crystal display in the prior art, technical scheme is following:
A kind of wide-angle liquid crystal display; Comprise: first substrate, liquid crystal molecule, public electrode, pixel electrode, protective seam, second substrate, Gate line, Source line; Wherein, empty at interval on the public electrode corresponding with pixel electrode and be provided with parallel ITO metal wire, said ITO metal wire is a broken line; So that said public electrode and pixel electrode form the electric field of different directions, and then the drives liquid crystal molecules multidomain shows.
Wherein, the ITO metal wire on the said public electrode is centrosymmetric broken lines horizontal expansion, two line segment formations.
Wherein, the ITO metal wire on the said public electrode is centrosymmetric broken lines horizontal expansion, four line segment formations.
Wherein, said Gate line is parallel with the ITO metal wire on the said public electrode.
Wherein, the ITO metal wire on the said public electrode is centrosymmetric broken lines longitudinal extension, two line segment formations.
Wherein, the ITO metal wire on the said public electrode is centrosymmetric broken lines longitudinal extension, four line segment formations.
Wherein, said Source line is parallel with the ITO metal wire on the said public electrode.
In the technical scheme that the embodiment of the invention provided; Empty at interval on the public electrode corresponding parallel ITO metal wire is set with pixel electrode; And the ITO metal wire is set to broken line shape; Make public electrode and the formed electric field of pixel electrode have multidirectional with this, and then the drives liquid crystal molecules multidomain show.Compared with prior art; ITO metal wire on the public electrode becomes broken line by straight line; Make that formed electric field is become multi-direction between public electrode and the pixel electrode by single direction; And then the orientation of liquid crystal molecule has polytropism, thereby effectively improves the colour cast problem of wide-angle liquid crystal display in the prior art.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of wide-angle liquid crystal display in the prior art;
Fig. 2 is the paving mode of ITO metal wire on the corresponding public electrode of single pixel in a kind of wide-angle liquid crystal display in the prior art;
Fig. 3 is another paving mode of ITO metal wire on the corresponding public electrode of single pixel in a kind of wide-angle liquid crystal display in the prior art;
Fig. 4 is a kind of paving mode of the ITO metal wire on the corresponding public electrode of single pixel in a kind of wide-angle liquid crystal display of the embodiment of the invention;
Fig. 5 is the another kind of paving mode of the ITO metal wire on the corresponding public electrode of single pixel in a kind of wide-angle liquid crystal display of the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In the prior art, the arrangement mode of emptying ITO metal wire setting, parallel in the wide-angle liquid crystal display on the public electrode corresponding with pixel electrode at interval is for like Fig. 2 or comb shape shown in Figure 3.Such arrangement mode makes public electrode and the formed plane electric fields direction of pixel electrode single, and therefore, driven liquid crystal molecule is the single domain pattern, and the liquid crystal molecular orientation design has unicity in the promptly single sub-pix.And under this single domain pattern, after the Liquid Crystal Molecules Alignment orientation, when different visual angles is watched,, thereby produce colour cast because the transmitance of liquid crystal molecule is different.
In order to reduce the colour cast problem of existing wide-angle liquid crystal display; The invention provides a kind of wide-angle liquid crystal display; Comprise: first substrate, liquid crystal molecule, public electrode, pixel electrode, protective seam, second substrate, Gate line, Source line; Wherein, empty at interval on the public electrode corresponding with pixel electrode and be provided with parallel ITO metal wire, said ITO metal wire is a broken line; So that said public electrode and pixel electrode form the electric field of different directions, and then the drives liquid crystal molecules multidomain shows.
In the technical scheme that the embodiment of the invention provided; Empty at interval on the public electrode corresponding parallel ITO metal wire is set with pixel electrode; And the ITO metal wire is set to broken line shape; Make public electrode and the formed electric field of pixel electrode have multidirectional with this, and then the drives liquid crystal molecules multidomain show.Compared with prior art; ITO metal wire on the public electrode becomes broken line by straight line; Make that formed electric field is become multi-direction between public electrode and the pixel electrode by single direction; And then the orientation of liquid crystal molecule has polytropism, thereby effectively improves the colour cast problem of wide-angle liquid crystal display in the prior art.
Be that horizontal expansion is an example with the ITO metal wire below, a kind of LCD provided by the present invention is introduced.
As shown in Figure 1; A kind of wide-angle liquid crystal display comprises: first substrate 101, liquid crystal molecule 102, public electrode 103, pixel electrode 105, protective seam 104, second substrate 106, Gate line, Source line; Wherein, As shown in Figure 4, the ITO metal wire 1 on the corresponding public electrode 103 of single pixel is centrosymmetric ' V ' shape broken line that falls horizontal expansion, that be made up of two line segments.Through ITO metal wire 1 being set to down ' V ' shape; Make pixel electrode 105 and public electrode 103 after obtaining charging; Formed electric field has polytropism, and then liquid crystal molecule clocklike overturns the distribution of formation multidomain to different directions under the electric field action of different directions; Through arranging of liquid crystal molecule is divided into more farmland, can bigger visual angle be compensated, reduce the fluctuation of transmittance under the angle of inclination, therefore, can effectively improve the problem of colour cast.
It is understandable that; Stablize under the polydirectional prerequisite guaranteeing that pixel electrode and electric field that public electrode forms have; For the shape of the ITO metal wire of horizontal expansion; What be not limited to that present embodiment provides falls ' V ' shape, for example: centrosymmetric just ' W ' the shape broken line or ' W ' shape broken line etc. that falls that can constitute for centrosymmetric just ' V ' shape broken line of being made up of two line segments, by four line segments.
Further, as shown in Figure 4 for the space of better utilization pixel electric field and pixel to guarantee the utilization factor of electric field, can Gate line 2 be set to parallel with ITO metal wire 1.Through the shape of change Gate line 2, thereby guaranteed the usable area that liquid crystal molecule overturns, guaranteed high aperture indirectly, the display effect of wide-angle liquid crystal display effectively is provided.
Accordingly, be that longitudinal extension is an example with the ITO metal wire below, a kind of LCD provided by the present invention is introduced.
As shown in Figure 1; A kind of wide-angle liquid crystal display comprises: first substrate 101, liquid crystal molecule 102, public electrode 103, pixel electrode 105, protective seam 104, second substrate 106, Gate line, Source line; Wherein, As shown in Figure 5, the ITO metal wire 1 on the corresponding public electrode 103 of single pixel is centrosymmetric broken line longitudinal extension, that be made up of two line segments.Through ITO metal wire 1 is set to broken line shape; Make pixel electrode 105 and public electrode 103 after obtaining charging; Formed electric field has polytropism, and then liquid crystal molecule clocklike overturns the distribution of formation multidomain to different directions under the electric field action of different directions; Through arranging of liquid crystal molecule is divided into more farmland, can bigger visual angle be compensated, reduce the fluctuation of transmittance under the angle of inclination, therefore, can effectively improve the problem of colour cast.
It is understandable that; Stablize under the polydirectional prerequisite guaranteeing that pixel electrode and electric field that public electrode forms have; For the shape of the ITO metal wire of longitudinal extension; Be not limited to the broken line shape that present embodiment provides, for example: centrosymmetric broken line that can constitute etc. for the broken line of the centrosymmetric other curved shape that constitutes by two line segments, by four line segments.
Further, as shown in Figure 5 for the space of better utilization pixel electric field and pixel to guarantee the utilization factor of electric field, can Source line 3 be set to parallel with ITO metal wire 1.Through the shape of Source line 3 is set, thereby guaranteed the usable area of liquid crystal molecule upset, guaranteed high aperture indirectly, the display effect of wide-angle liquid crystal display effectively is provided.
The above only is an embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. wide-angle liquid crystal display comprises: first substrate, liquid crystal molecule, public electrode, pixel electrode, protective seam, second substrate, Gate line, Source line, it is characterized in that,
Empty at interval on the public electrode corresponding with pixel electrode and be provided with parallel ITO metal wire, said ITO metal wire is a broken line, so that said public electrode and pixel electrode form the electric field of different directions, and then the drives liquid crystal molecules multidomain shows.
2. wide-angle liquid crystal display according to claim 1 is characterized in that, the ITO metal wire on the said public electrode is centrosymmetric broken lines horizontal expansion, two line segment formations.
3. wide-angle liquid crystal display according to claim 1 is characterized in that, the ITO metal wire on the said public electrode is centrosymmetric broken lines horizontal expansion, four line segment formations.
4. according to claim 2 or 3 described wide-angle liquid crystal displays, it is characterized in that said Gate line is parallel with the ITO metal wire on the said public electrode.
5. wide-angle liquid crystal display according to claim 1 is characterized in that, the ITO metal wire on the said public electrode is centrosymmetric broken lines longitudinal extension, two line segment formations.
6. wide-angle liquid crystal display according to claim 1 is characterized in that, the ITO metal wire on the said public electrode is centrosymmetric broken lines longitudinal extension, four line segment formations.
7. according to claim 5 or 6 described wide-angle liquid crystal displays, it is characterized in that said Source line is parallel with the ITO metal wire on the said public electrode.
Priority Applications (3)
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CN201210003529XA CN102520545A (en) | 2012-01-05 | 2012-01-05 | Wide-angle liquid crystal display |
US14/370,870 US20150002776A1 (en) | 2012-01-05 | 2013-01-05 | Wide viewing angle liquid crystal display realizing multi-domain display |
PCT/CN2013/070041 WO2013102439A1 (en) | 2012-01-05 | 2013-01-05 | Wide viewing angle liquid crystal display realizing multi-domain display |
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CN201210003529XA CN102520545A (en) | 2012-01-05 | 2012-01-05 | Wide-angle liquid crystal display |
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CN103018980A (en) * | 2012-12-31 | 2013-04-03 | 信利半导体有限公司 | Wide-viewing-angle liquid crystal display and display method thereof |
WO2013102439A1 (en) * | 2012-01-05 | 2013-07-11 | 信利半导体有限公司 | Wide viewing angle liquid crystal display realizing multi-domain display |
WO2022068006A1 (en) * | 2020-09-30 | 2022-04-07 | 厦门天马微电子有限公司 | Display panel and display apparatus |
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Application publication date: 20120627 |