CN103246116A - Active element array substrate and liquid crystal display panel - Google Patents
Active element array substrate and liquid crystal display panel Download PDFInfo
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- CN103246116A CN103246116A CN2012100239649A CN201210023964A CN103246116A CN 103246116 A CN103246116 A CN 103246116A CN 2012100239649 A CN2012100239649 A CN 2012100239649A CN 201210023964 A CN201210023964 A CN 201210023964A CN 103246116 A CN103246116 A CN 103246116A
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- 239000000758 substrate Substances 0.000 title claims abstract description 59
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 35
- 230000000052 comparative effect Effects 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
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Abstract
An active element array substrate and a liquid crystal display panel are provided, wherein the active element array substrate comprises a substrate, a plurality of scanning lines, a plurality of data lines and a plurality of pixel units. The scanning lines, the data lines and the pixel units are positioned on the substrate. Each pixel unit is electrically connected with the corresponding scanning line and the corresponding data line, and comprises an active element, a dielectric layer and a pixel electrode. The active element is electrically connected with the corresponding scanning line and the corresponding data line. The dielectric layer covers the active device and has an opening. The pixel electrode is electrically connected with the active element through the opening of the dielectric layer, wherein the pixel electrode is provided with a slit which divides the pixel electrode into a first sub-pixel electrode and a second sub-pixel electrode, and the first sub-pixel electrode and the second sub-pixel electrode are electrically connected through two connecting parts positioned at two ends of the slit. The protrusion is located on each connection portion of the pixel electrode.
Description
Technical field
The present invention relates to a kind of substrate and liquid crystal indicator, relate in particular to a kind of active component array base board and display panels.
Background technology
Existing market all develops towards height contrast (contrast ratio), the counter-rotating of no GTG (gray scale inversion), high brightness (brightness), high color saturation (color saturation), rapid reaction (response) and wide viewing angle directions such as (viewing angle) for Thin Film Transistor-LCD (TFT-LCD).
Be example with the multifield vertical directional liquid crystal display panel, it can be by some alignment pattern (alignment patterning), as orientation protrusion (alignment protrusion) or slit (slit), so that the liquid crystal molecule in each pixel is multi-direction arrangement, and then obtain several different orientation fields (domain).For existing multifield vertical directional liquid crystal display panel, because the orientation protrusion (alignment protrusions) or the slit (slits) that are formed on colored optical filtering substrates or the thin-film transistor array base-plate can be so that liquid crystal molecule be multi-direction arrangement, obtain several different orientation fields (domains), so multifield vertical directional liquid crystal display panel can be reached the requirement of wide viewing angle.
Under general operation, liquid crystal molecule in the multifield vertical directional liquid crystal display panel can be stable arrangement, but when the external force pressure display panels, because bug hole spacing (cell gap) changes between the two substrates, cause the pressurized place to produce electric field change, make and the Liquid Crystal Molecules Alignment disorder of pressurized place show bad phenomenon so that produce.Specifically, after liquid crystal panel is suffering external force pressure (for example finger pressure), because liquid crystal molecule is subjected to the electric field influence of above-mentioned distortion, can't be returned to ordered state originally fast, often cause the phenomenon of pressing moire (press mura), make the display panels surface seem dirty (smudge), have a strong impact on the quality of display panels.
Summary of the invention
The invention provides a kind of active component array base board, can improve the phenomenon of pressing moire (press mura) effectively when it is applied to display panels.
The invention provides a kind of display panels, it suffers after the external force pressure, and liquid crystal molecule can be returned to ordered state originally rapidly.
The present invention proposes a kind of active component array base board, and it comprises a substrate, multi-strip scanning line and many data lines and a plurality of pixel cell.Sweep trace and data line and pixel cell are positioned on the substrate.Each pixel cell and corresponding scanning line and data line electrically connect, and each pixel cell comprises an active member, a dielectric layer, a pixel electrode and a plurality of thrust.Active member electrically connects corresponding scanning line and data line.Dielectric layer covers active member, and has an opening that exposes the part active member.Pixel electrode electrically connects active member by the opening of dielectric layer, wherein pixel electrode has a slit, and slit is divided into one first pixel electrode and one second pixel electrode with pixel electrode, and wherein first pixel electrode and second pixel electrode electrically connect by two connecting portions that are positioned at the slit two ends.Thrust lays respectively on each connecting portion of this pixel electrode.
In one embodiment of this invention, said active element array substrate also comprises a storage electrode, between dielectric layer and substrate.Particularly, storage electrode for example has one first and stores sub-electrode and one second storage sub-electrode, first store sub-electrode the projection ring of substrate establish and overlapping first pixel electrode around, and second store sub-electrode the projection ring of substrate establish and overlapping second pixel electrode around.
In one embodiment of this invention, above-mentioned thrust lays respectively at the corner of storage electrode and pixel electrode lap.
In one embodiment of this invention, above-mentioned part thrust also is positioned at the corner of one of first pixel electrode neighbor scanning line.At this moment, first pixel electrode for example is block, and thrust lays respectively at four corners of first pixel electrode.
In one embodiment of this invention, above-mentioned part thrust also is positioned at the corner of one of second pixel electrode neighbor scanning line.At this moment, second pixel electrode is block, and thrust lays respectively at four corners of second pixel electrode.
The present invention proposes a kind of display panels in addition, and it comprises an active component array base board, a subtend substrate and a liquid crystal layer.Active component array base board comprises a substrate, multi-strip scanning line and many data lines and a plurality of pixel cell.Sweep trace and many data lines and pixel cell are positioned on the substrate.Each pixel cell and corresponding scanning line and data line electrically connect, and each pixel cell comprises an active member, a dielectric layer, a pixel electrode and a plurality of thrust.Active member electrically connects corresponding scanning line and data line.Dielectric layer covers active member, and has an opening that exposes the part active member.Pixel electrode electrically connects active member by the opening of dielectric layer, wherein pixel electrode has a slit, and slit is divided into one first pixel electrode and one second pixel electrode with pixel electrode, and wherein first pixel electrode and second pixel electrode electrically connect by two connecting portions that are positioned at the slit two ends.Thrust lays respectively on each connecting portion of pixel electrode.The subtend substrate is positioned at the subtend of active component array base board.Liquid crystal layer is between active component array base board and subtend substrate.
In one embodiment of this invention, above-mentioned subtend substrate comprises a plurality of orientation thrusts, and each orientation thrust lays respectively at the central authorities of first pixel electrode and second pixel electrode.
Based on above-mentioned, active component array base board of the present invention and display panels arrange thrust on the connecting portion of two pixel electrodes of pixel electrode.Thus, these thrusts can assist its top liquid crystal molecule to topple over fast toward correct direction, help display panels more easily to reply after suffering pressed by external force, therefore are not easy to produce the problem of pressing moire.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is for looking synoptic diagram on the embodiment in the active component array base board of the present invention;
Fig. 2 is that Fig. 1 is along the diagrammatic cross-section of II-II profile line;
Fig. 3 A is the diagrammatic cross-section of an embodiment in the display panels of the present invention;
Fig. 3 B is in the display panels of Fig. 3 A, and liquid crystal molecule is subjected to the ordered state top view after the effect of orientation thrust of subtend substrate;
Fig. 4 A to Fig. 4 C is respectively the schematic layout pattern of the storage electrode on the substrate, pixel electrode and thrust in the active component array base board of the present invention;
Fig. 5 A be display panels of the present invention in different pressing under the external force, the different view that show;
Fig. 5 B is not for arranging the comparative example of thrust in the corner of first pixel electrode and second pixel electrode.
Reference numeral:
200: active component array base board;
210: substrate;
220: sweep trace;
230: data line;
240: dielectric layer;
250: pixel electrode;
250A, 450A: first pixel electrode;
250B, 450B: second pixel electrode;
250C, 450C: connecting portion;
260: thrust;
270: storage electrode;
270A: first stores sub-electrode;
270B: second stores sub-electrode;
300,400: display panels;
310: the subtend substrate;
320: liquid crystal layer;
330: the orientation thrust;
340: common electrode;
350: alignment film;
H: opening;
P: pixel cell;
S: slit;
T: active member.
Embodiment
Fig. 1 is for looking synoptic diagram on the embodiment in the active component array base board of the present invention, and Fig. 2 is that Fig. 1 is along the diagrammatic cross-section of II-II profile line.As Fig. 1 and shown in Figure 2, active component array base board 200 comprises a substrate 210, multi-strip scanning line 220 and many data lines 230 and a plurality of pixel cell P.Sweep trace 220 is positioned on the substrate 210 with data line 230 and pixel cell P.Each pixel cell P and corresponding scanning line 220 electrically connect with data line 230, and each pixel cell P comprises an active member T, a dielectric layer 240 and a pixel electrode 250, in the pixel cell of present embodiment, further comprise a storage electrode 270, and the reference position that demonstrates orientation thrust 330, relevant orientation thrust 330 will be in Fig. 3 A and hereinafter explanation.
Active member T electrically connects corresponding scanning line 220 and data line 230.In detail, active member T has a grid, one source pole, drain electrode and a passage, wherein grid and sweep trace 220 electrically connect, in order to control the switch of active member T, source electrode and data line 230 electrically connect, in order to transmit the data-signal on the data line 230, channel layer is positioned on the gate insulation layer of grid top, and between source electrode and drain electrode.Dielectric layer 240 is positioned at active member T top and covers active member T, and dielectric layer 240 has an opening H who is positioned at the drain electrode top of active member T.Pixel electrode 250 electrically connects with the drain electrode of active member T by the opening H of dielectric layer 240.
As Fig. 1 and shown in Figure 2, pixel electrode 250 has a slit S, and slit S is divided into one first pixel electrode 250A and one second pixel electrode 250B with pixel electrode 250, and wherein the first pixel electrode 250A and the second pixel electrode 250B electrically connect by the two connecting portion 250C that are positioned at slit S two ends.Specifically, thrust 260 lays respectively on each connecting portion 250C of pixel electrode 250, and thrust 260 is overlapping with the corresponding projection of connecting portion 250C on substrate 210.When covering alignment film 350 thereon, thrust 260 is between each connecting portion 250C of alignment film 350 and pixel electrode 250.
More specifically, Fig. 3 A is the diagrammatic cross-section of an embodiment in the display panels of the present invention, and wherein the sectional view of shown active component array base board 200 is equivalent among Fig. 1 section along III-III profile line position in the display panels.As shown in Figure 3A, display panels 300 comprises the subtend substrate 310 of the subtend that is positioned at active component array base board 200, and liquid crystal layer 320 is between active component array base board 200 and subtend substrate 310.Particularly, subtend substrate 310 comprises a plurality of orientation thrusts 330 and a common electrode 340, and has an alignment film 350 respectively on the apparent surface of active component array base board 200 and subtend substrate 310.In addition, storage electrode 270 has one first storage sub-electrode 270A and one second storage sub-electrode 270B.Each orientation thrust 330 lays respectively at the central authorities of the first pixel electrode 250A and the second pixel electrode 250B, so that the liquid crystal molecule in each pixel electrode 250 is multi-direction arrangement, and then obtains several different orientation fields (domain).
What deserves to be mentioned is, owing to the electric force lines distribution that can change at the connecting portion 250C of the first pixel electrode 250A and the second pixel electrode 250B in the liquid crystal layer 320, feasible script can impel the crooked electric field of lqiuid crystal molecule tipping to weaken because of the shielding that is subjected to connecting portion 250C, therefore when external force pressure display panels 300, because going up, connecting portion 250C is vertical electric field, its crooked electric field weakness makes the liquid crystal molecule that is positioned at connecting portion 250C top produce the problem of pressing moire because being returned to ordered state originally fast easily.Please refer to Fig. 1 and Fig. 2, on the active component array base board 200 of the present invention, connecting portion 250C place at corresponding first sub-pixel electrode 250A and the second pixel electrode 250B, the thrust 260 of setting between connecting portion 250C and alignment film 350, because thrust 260 has oblique structure, it can assist its top liquid crystal molecule to topple over toward correct direction, make liquid crystal molecule after being pressed, can be returned to ordered state originally rapidly, therefore be not easy to produce the problem of pressing moire.
Fig. 3 B is in the display panels of Fig. 3 A, and liquid crystal molecule is subjected to the ordered state top view after the effect of orientation thrust 330 of subtend substrate 310.Shown in Fig. 3 B, even above the connecting portion 250C of the first pixel electrode 250A and the second pixel electrode 250B, thrust 260 is set accordingly, under general operation, the arrangement that liquid crystal molecule still can be stable can't be upset this place's liquid crystal molecule and arrange normally.And when external force pressure display panels 300, thrust 260 can assist its top liquid crystal molecule to topple over toward correct direction, below will further specify.
For clearly demonstrating piling up and layout of each rete on the active component array base board, Fig. 4 A to Fig. 4 C is respectively the schematic layout pattern of the storage electrode on the substrate, pixel electrode and thrust in the active component array base board of the present invention.Fig. 4 A is the schematic layout pattern of storage electrode among the pixel cell P, and as Fig. 4 A and shown in Figure 2, storage electrode 270 is to be arranged between dielectric layer 240 and the substrate 210, and storage electrode 270 has one first storage sub-electrode 270A and one second storage sub-electrode 270B.Fig. 4 B is the schematic layout pattern that pixel electrode 250 further is set on the storage electrode 270, shown in Fig. 4 B, first store sub-electrode 270A the projection ring of substrate 210 establish and be overlapped in the first pixel electrode 250A around, and second store sub-electrode 270B the projection ring of substrate 210 establish and be overlapped in the second pixel electrode 250B around.Can produce first storage capacitors between the first storage sub-electrode 270A, dielectric layer 240 and the first pixel electrode 250A, and can produce second storage capacitors between the second storage sub-electrode 270B, dielectric layer 240 and the second pixel electrode 250B, can promote the display quality of display panels 300 by this.In addition, because storage electrode 270 is layed in the slit S place of pixel electrode 250, thus, storage electrode 270 can be strengthened pixel electrode 250 at the crooked electric field at slit S place, and further auxiliary its top liquid crystal molecule swings to.
Fig. 4 C is for arranging the schematic layout pattern of thrust on pixel electrode.Shown in Fig. 4 C, thrust 260 lays respectively at the corner of storage electrode 270 and pixel electrode 250 laps.Particularly, part thrust 260 also is positioned at the corner of one of first pixel electrode 250A neighbor scanning line 220.At this moment, the first pixel electrode 250A for example is block, and thrust 260 lays respectively at four corners of the first pixel electrode 250A.In addition, 260 of part thrusts are positioned at the corner of one of second pixel electrode 250B neighbor scanning line 220.At this moment, the second pixel electrode 250B is block, and thrust 260 lays respectively at four corners of the second pixel electrode 250B.
Fig. 5 A is that display panels of the present invention is in different pressing under the external force, the different view that show, wherein has aforesaid active component array base board 200 in the display panels 300 among Fig. 5 A, shown in the dot structure in Fig. 5 A (a), it is respectively at corner and the two pixel electrode 250A of the first pixel electrode 250A and the second pixel electrode 250B, the connecting portion 250C place of 250B arranges thrust 260 accordingly, wherein the first pixel electrode 250A and the second pixel electrode 250B link via connecting portion 250C, and (d) among Fig. 5 A shows that orientation is 90 show states when spending, and it is in order to represent the show state that display panels 300 is pressed.
(b) among Fig. 5 A is the show states of 89 degree and 89.5 when spending with (c) being respectively orientation, its in order to representative in various degree press under the external force display panels 300 anti-degree of pressing.Be subjected to pressing in various degree external force Fig. 5 A (b) with (c) compared to (d) of Fig. 5 A that is not subjected to external force, as can be seen Fig. 5 A (b) with (c) in X place and Y place the extrorse side-play amount aquatic foods of cross pattern less, it is strong that this represents its anti-ability of pressing, and the problem of moire is pressed in difficult generation.
With respect to this, Fig. 5 B is not for arranging the comparative example of thrust in the corner of the first pixel electrode 450A and the second pixel electrode 450B, and wherein the first pixel electrode 450A and the second pixel electrode 450B link via connecting portion 450C.The dot structure of comparative example display panels 400 is shown in Fig. 5 A (a), (d) among (d) among Fig. 5 B and the earlier figures 5A is all and represents the show state that display panels is pressed, and (b) among Fig. 5 B is the show states of 89 degree and 89.5 when spending with (c) being respectively orientation, it is in order to be illustrated in pressing under the external force in various degree, display panels 400 anti-degree of pressing.
Pressing under the external force in same degree simultaneously, with reference to Fig. 5 A of the present invention (b) and Fig. 5 B of comparative example (b) as can be known, identical pressing under the external force, be shown in the display panels 300 of Fig. 5 A (b) compared to the present invention, be shown in the comparative example display panels 400 among (b) of Fig. 5 B, the cross pattern at its X place and Y place is more from central extrorse side-play amount, therefore can judge that when the external force pressure display panels, display panels 300 of the present invention has the preferable anti-ability of pressing compared to comparative example display panels 400.In like manner, please be simultaneously with reference to (c) of Fig. 5 A and (c) of Fig. 5 B, identical pressing under the external force, compared to (c) of Fig. 5 A of the present invention, the cross pattern at X place and Y place is many from central extrorse side-play amount among (b) of comparative example Fig. 5 B.Therefore, it is auxiliary that liquid crystal molecule can obtain to swing to by the oblique structure of thrust 260, helps display panels 300 after suffering pressed by external force, is not easy to press the problem of moire.
In sum, owing to adopt thrust to be arranged on the connecting portion of first pixel electrode and second pixel electrode in active component array base board of the present invention and the display panels, make liquid crystal molecule to do clear and definite toppling over by the oblique structure on the thrust, therefore help display panels after suffering pressed by external force, to reply fast, therefore be not easy to press the problem of moire.
Though the present invention discloses as above with embodiment, so it is not in order to limiting the present invention, and any person of an ordinary skill in the technical field when can doing a little change and retouching, and does not break away from the spirit and scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100239649A CN103246116A (en) | 2012-02-03 | 2012-02-03 | Active element array substrate and liquid crystal display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100239649A CN103246116A (en) | 2012-02-03 | 2012-02-03 | Active element array substrate and liquid crystal display panel |
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Cited By (2)
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| EP3048477A1 (en) * | 2015-01-23 | 2016-07-27 | Samsung Display Co., Ltd. | Liquid crystal display |
| CN106324925A (en) * | 2016-08-17 | 2017-01-11 | 友达光电股份有限公司 | Pixel structure and display panel using same |
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| CN101523279A (en) * | 2006-12-25 | 2009-09-02 | 夏普株式会社 | Liquid crystal display panel, liquid crystal display element and liquid crystal display apparatus |
| CN201383064Y (en) * | 2009-04-22 | 2010-01-13 | 上海广电光电子有限公司 | VA type liquid crystal display device |
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| US20040085272A1 (en) * | 2002-11-01 | 2004-05-06 | Chin-Lung Ting | Multi-domain vertical alignment liquid crystal display and driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3048477A1 (en) * | 2015-01-23 | 2016-07-27 | Samsung Display Co., Ltd. | Liquid crystal display |
| CN105824156A (en) * | 2015-01-23 | 2016-08-03 | 三星显示有限公司 | Liquid crystal display |
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| CN106324925A (en) * | 2016-08-17 | 2017-01-11 | 友达光电股份有限公司 | Pixel structure and display panel using same |
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Application publication date: 20130814 |