CN101114088A - Multiple domain horizontal direction matching type liquid crystal display board - Google Patents
Multiple domain horizontal direction matching type liquid crystal display board Download PDFInfo
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- CN101114088A CN101114088A CNA2006101085816A CN200610108581A CN101114088A CN 101114088 A CN101114088 A CN 101114088A CN A2006101085816 A CNA2006101085816 A CN A2006101085816A CN 200610108581 A CN200610108581 A CN 200610108581A CN 101114088 A CN101114088 A CN 101114088A
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Abstract
The invention discloses a multi-field alignment type LCD faceplate, comprising a driving element array base board, a subtended base board and a liquid crystal layer arranged between the two parts, wherein, the subtended base board is provide with a community electrode layer, and the driving element array base board comprises a base board, a plurality of scanning beams, a plurality of data cables and a plurality of image element units, wherein, the scanning beams and data cables are arranged on the base board and a plurality of L-shaped image element zones are formed on the base board, and image element units are respectively arranged on the L-shaped image element zones. Each image element unit comprises a driving element, an image element electrode, a plurality of first alignment components and a plurality of second alignment components, wherein, the image element electrode is electrically connected with the driving element. The first alignment components and the second alignment components are arranged on the image element electrode and are vertical with each other, and the first alignment components have a 45-degree angle on horizontal direction.
Description
Technical field
(liquid crystal display panel LCDpanel), and is particularly to a kind of multiple domain horizontal direction matching type (Multi-domain Horizontal Alignment, MHA) display panels relevant for a kind of display panels in the present invention.
Background technology
Thin Film Transistor-LCD because have that high image quality, space utilization efficient are good, low consumpting power, advantageous characteristic such as radiationless, thereby become the market mainstream gradually.At present, market is towards characteristics such as height contrast (High Contrast Ratio), rapid reaction and wide viewing angles for the performance requirement of LCD.Can reach the technology of wide viewing angle requirement at present, multi-zone vertical alignment nematic (Multi-domain VerticallyAlignment is for example arranged, MVA) Thin Film Transistor-LCD, multiple domain horizontal direction matching (Multi-domain HorizontalAlignment, MHA) Thin Film Transistor-LCD or the like.
Fig. 1 is existing a kind of top view that is used for the thin-film transistor array base-plate of multiple domain horizontal direction matching liquid crystal display panel of thin film transistor.Please refer to Fig. 1, existing thin-film transistor array base-plate 100 comprises a substrate 110, multi-strip scanning line 120, many data lines 130, a plurality of pixel cell 140 and many shared distributions (commonline) 150.Wherein, sweep trace 120, data line 130, pixel cell 140 all are disposed on the substrate 110 with shared distribution 150.Pixel cell 140 is electrical connected with corresponding scanning line 120 and data line 130, and each pixel cell 140 comprises a thin film transistor (TFT) 142 and a pixel electrode 144.Wherein, thin film transistor (TFT) 142 is electrical connected with corresponding scanning line 120 and data line 130, and pixel electrode 144 then is electrical connected with thin film transistor (TFT) 142.
More specifically, each pixel electrode 144 has many first slit 144a and many second slit 144b, and wherein the first slit 144a is vertical mutually with the second slit 144b.In addition, the first slit 144a and sweep trace 120 almost parallels, and the second slit 144b and data line 130 almost parallels.In addition, shared distribution 150 general one-tenth H shapes.
When above-mentioned thin-film transistor array base-plate 100 and a colored optical filtering substrates (not shown) to group, and inject after the liquid crystal (not shown), just form a multiple domain horizontal direction matching liquid crystal display panel of thin film transistor.Then, on the upper and lower surface of this multiple domain horizontal direction matching liquid crystal display panel of thin film transistor, can dispose the polaroid (not shown) usually.Polarization direction that it should be noted that these two polaroids is respectively 45 degree and 135 degree.Yet the polarization direction of polaroid on the market is generally 0 degree and 90 degree, and the axial polaroid of X-Y just, so the polaroid of this kind kenel must just can be used for this kind multiple domain horizontal direction matching liquid crystal display panel of thin film transistor through suitable cutting.For now, the price of the employed polaroid of multiple domain horizontal direction matching liquid crystal display panel of thin film transistor is about about 1.4 times of general polaroid.
In addition, under the environment of high temperature and high humility, when polaroid deforms, on four sides of this kind multiple domain horizontal direction matching liquid crystal display panel of thin film transistor, occur white partially phenomenon easily, just pull out (edgemura) problem in vain.
Summary of the invention
In view of this, the objective of the invention is is providing a kind of multiple domain horizontal direction matching type liquid crystal display board, to be suitable for the axial polaroid of general X-Y.
Based on above-mentioned purpose or other purposes, the present invention proposes a kind of multiple domain horizontal direction matching type liquid crystal display board, it comprises an active component array base board, a subtend substrate and a liquid crystal layer, wherein the subtend substrate has and uses electrode layer altogether, and liquid crystal layer is disposed between active component array base board and the subtend substrate.This active component array base board comprises a substrate, multi-strip scanning line, many data lines and a plurality of pixel cell, and wherein sweep trace and data line are disposed on the substrate, and sweep trace and data line define a plurality of L shaped pixel regions on substrate.Pixel cell is disposed at respectively on the L shaped pixel region, and pixel cell is controlled by sweep trace and data line.Each pixel cell comprises an active member, a pixel electrode, a plurality of first orientation member and a plurality of second orientation member, and wherein active member and corresponding scanning line and data line are electrical connected, and pixel electrode and active member are electrical connected.The first orientation member and the second orientation member are disposed on the pixel electrode, and wherein the first orientation member is vertical with the second orientation member, and the first orientation member is from the horizontal by 45 degree angles.
In one embodiment of this invention, multiple domain horizontal direction matching type liquid crystal display board also comprises one first polaroid and one second polaroid, wherein first polaroid is disposed on the surface of subtend substrate away from liquid crystal layer, and second polaroid is disposed on the surface of active component array base board away from liquid crystal layer.In addition, the polarization direction of first polaroid from the horizontal by 0 degree and 90 degree one of them, and the polarization direction of second polaroid is from the horizontal by 0 degree and wherein another of 90 degree.
In an embodiment of the present invention, active component array base board more comprises many shared distributions (common line), and it is disposed on the substrate.
In an embodiment of the present invention, each shared distribution has a plurality of T-branches.
In an embodiment of the present invention, the total length of the first orientation member is identical with the total length of the second orientation member in each pixel cell.
In an embodiment of the present invention, each sweep trace is a zigzag.
In an embodiment of the present invention, each data line is a zigzag.
In an embodiment of the present invention, the first orientation member can be orientation protrusion (alignmentprotrusion) or slit.
In an embodiment of the present invention, the second orientation member can be orientation protrusion or slit.
Based on above-mentioned, because the present invention's quantity and orientation of changing orientation members such as orientation protrusion or slit, arranging in pairs or groups the axial polaroid of general X-Y, so the present invention can reduce manufacturing cost.In addition, because the present invention adopts the axial polaroid of general X-Y, therefore compared to prior art, multiple domain horizontal direction matching type liquid crystal display board of the present invention is not easy to occur (edge mura) problem of pulling out in vain.
State with other purposes, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is existing a kind of top view that is used for the thin-film transistor array base-plate of multiple domain horizontal direction matching liquid crystal display panel of thin film transistor.
Fig. 2 A is the diagrammatic cross-section of the multiple domain horizontal direction matching type liquid crystal display board of first embodiment of the invention.
Fig. 2 B is the vertical view of the active component array base board of Fig. 2 A.
Fig. 2 C is the diagrammatic cross-section along the A-A ' line of Fig. 2 B.
Fig. 3 is the vertical view of second embodiment of the invention active component array base board.
Fig. 4 is the vertical view of third embodiment of the invention active component array base board.
Embodiment
[first embodiment]
Fig. 2 A is the diagrammatic cross-section of the multiple domain horizontal direction matching type liquid crystal display board of first embodiment of the invention, and Fig. 2 B is the vertical view of the active component array base board of Fig. 2 A.Fig. 2 C is the diagrammatic cross-section along the A-A ' line of Fig. 2 B.Please refer to Fig. 2 A, the multiple domain horizontal direction matching type liquid crystal display board 200 of present embodiment comprises an active component array base board 210, a subtend substrate 220, a liquid crystal layer 230, a glue frame 240, first polaroid 250 and second polaroid 260.Wherein, liquid crystal layer 230 is disposed between active component array base board 210 and the subtend substrate 220.Glue frame 240 is to be disposed between active component array base board 210 and the subtend substrate 220, and around liquid crystal layer 230.In addition, subtend substrate 220 comprises a substrate 2210 and has altogether with electrode layer 2220 that wherein common electrode layer 2220 is disposed on the substrate 2210, and towards liquid crystal layer 230.In the present embodiment, subtend substrate 220 can be a colored optical filtering substrates.
Please continue with reference to Fig. 2 B and Fig. 2 C, the active component array base board 210 of present embodiment comprises a substrate 2110, multi-strip scanning line 2120, many data lines 2130, a plurality of pixel cell 2140 and many shared distributions 2150.Wherein, sweep trace 2120, data line 2130 is disposed on the substrate 2110 with shared distribution 2150, and these sweep traces 2120 and data line 2130 define a plurality of L shaped pixel region 2110a on substrate 2110.In addition, in the present embodiment, each sweep trace 2120 is a zigzag, and each data line 2130 also is a zigzag.In addition, each shared distribution 2150 has a plurality of T-branch 2150a.In the present embodiment, memory capacitance is framework (Cst on common) on shared distribution, yet memory capacitance also can framework (Cst on gate) on grid.
Please refer to Fig. 2 B, pixel cell 2140 is disposed at respectively on the L shaped pixel region 2110a, and pixel cell 2140 is controlled by corresponding sweep trace 2120 and data line 2130.More specifically, each pixel cell 2140 comprises an active member 2142, a pixel electrode 2144, a plurality of first orientation member 2146 and a plurality of second orientation members 2148, wherein active member 2142 is electrical connected with corresponding scanning line 2120 and data line 2130, and pixel electrode 2144 is electrical connected with active member 2142.
Please refer to Fig. 2 C, in the present embodiment, active member 2142 can be a thin film transistor (TFT).More specifically, active member 2142 comprises first dielectric layer 21422, semiconductor layer 21424a, ohmic contact layer 21424b, source electrode 21426a, drain electrode 21426b and one second dielectric layer 21428.Wherein, part of scanning line 2120 is as the grid of active member 2142, and first dielectric layer 21422 covers on the sweep trace 2120.Semiconductor layer 21424a is disposed on first dielectric layer 21422, and is positioned at sweep trace 2120 tops.Ohmic contact layer 21424b is disposed on the semiconductor layer 21424a, and source electrode 21426a is disposed on the ohmic contact layer 21424b with drain electrode 21426b, and wherein source electrode 21426a and data line 2130 electrically connect.In addition, second dielectric layer 21428 covers source electrode 21426a and drain electrode 21426b, and second dielectric layer 21428 has a contact hole 21428a, and it exposes part drain electrode 21426b.Pixel electrode 2144 is just through contact hole 21428a and drain electrode 21426b electrically connect thus.
In the present embodiment, part of scanning line 2120 is as the grid of active member 2142, yet grid and sweep trace 2120 also can be indivedual independences.In addition, pixel electrode 2144 for example is a transparency electrode (transmissive electrode), reflecting electrode (reflective electrode) or semi-penetration semi-reflective electrode (transflective electrode), wherein the material of transparency electrode can be indium tin oxide, indium-zinc oxide (indium zinc oxide, IZO) or other transparent conductive materials.
Please refer to Fig. 2 B, the first orientation member 2146 and the second orientation member 2148 are disposed on the pixel electrode 2144.In the present embodiment, the first orientation member 2146 and the second orientation member 2148 are jagged edges slit (jagged slit), yet the first orientation member 2146 and the second orientation member 2148 also can be the slits of general rectangle.In addition, the first orientation member 2146 is vertical with the second orientation member 2148, and the first orientation member 2146 is from the horizontal by 45 degree angles.Though the first orientation member 2146 of present embodiment and the second orientation member 2148 are slit, in other embodiments, the first orientation member 2146 and the second orientation member 2148 also can the orientation protrusions.It should be noted that the total length of the first orientation member 2146 is identical or close with the total length of the second orientation member 2148 in each pixel cell 2140 in order to make that the image performance in each field (domain) can be more consistent.In the present embodiment, the rough subpixel area that is divided into two rectangles of L shaped pixel region 2110a, and on each subpixel area, dispose the first orientation member 2146 and the second orientation member 2148 simultaneously.At this moment, the 2150 rough one-tenth H shapes of the shared distribution on each subpixel area.
From the above, the multiple domain horizontal direction matching type liquid crystal display board 200 of present embodiment has advantages such as wide viewing angle, quick response equally.In addition, because the present invention adopts the orientation of L shaped pixel region 2110a and the change first orientation member 2146 and the second orientation member 2148, so the present invention can adopt the axial polaroid of general X-Y, to reduce manufacturing cost.In addition, because first polaroid 250 and second polaroid 260 can adopt the axial polaroid of general X-Y, so multiple domain horizontal direction matching type liquid crystal display board 200 is not easy to occur (edge mura) problem of pulling out in vain.
Owing on subtend substrate 220, also orientation protrusion or slit need be set, and the orientation protrusion is light tight usually, therefore when shared distribution 2150 is positioned at the orientation protrusion below of subtend substrate 220, shared distribution 2150 not only can constitute the part of memory capacitance, and also can not influence aperture opening ratio (Aperture Ratio).In addition, the orientation protrusion on the subtend substrate 220 also can be configured in sweep trace 2120 or data line 2130 tops.
Because the orientation protrusion on the subtend substrate 220 can cause Liquid Crystal Molecules Alignment unusual, and this shared distribution 2150 also can be used as light shield layer, improving light leak or colour cast, and improve display quality and show contrast.Moreover if the width of shared distribution 2150 is greater than the width of the orientation protrusion on the subtend substrate 220, then this regional subtend substrate 220 can not design black matrix layer, to improve aperture opening ratio and to show contrast.
[second embodiment]
Fig. 3 is the vertical view of the active component array base board of second embodiment of the invention.Please refer to Fig. 3, the active component array base board 310 of present embodiment and the active component array base board 210 of first embodiment are similar, its difference is: in each pixel cell 3140, and the arrangement mode of the first orientation member 3146 and the second orientation member 3148 and the kenel of shared distribution 3150.Similarly, the total length of the first orientation member 3146 is preferably identical with the total length of the second orientation member 3148.In addition, the first orientation member 3146 and the second orientation member 3148 are not defined as slit or jagged edges slit, can be the orientation protrusions yet.
In addition, shared distribution 3150 has T-branch 3150a equally.In the present embodiment, L shaped pixel region 2110a is rough to be divided into two trapezoidal subpixel area, and disposes the first orientation member 3146 and the second orientation member 3148 on each subpixel area simultaneously.
[the 3rd embodiment]
Fig. 4 is the vertical view of the active component array base board of third embodiment of the invention.Please refer to Fig. 4, the active component array base board 410 of present embodiment and the active component array base board 210 of first embodiment are similar, its difference is: in each pixel cell 4140, and the arrangement mode of the first orientation member 4146 and the second orientation member 4148 and the kenel of shared distribution 4150.Similarly, the total length of the first orientation member 4146 is preferably identical with the total length of the second orientation member 4148.In addition, the first orientation member 4146 and the second orientation member 4148 are not defined as slit or jagged edges slit, can be the orientation protrusions yet.
In addition, shared distribution 4150 has T-branch 4150a equally.In the present embodiment, the rough subpixel area that is divided into two rectangles of L shaped pixel region 2110a, and on each subpixel area, dispose the first orientation member 4146 and the second orientation member 4148 simultaneously.Arrangement mode that it should be noted that the first orientation member 4146 and the second orientation member 4148 also can have other kinds variation.At this moment, pixel region just might become Z-shaped, and just the subpixel area of three rectangles links to each other.
In sum, multiple domain horizontal direction matching type liquid crystal display board of the present invention has following advantage at least:
One, compared to prior art, because the present invention's orientation of adopting L shaped pixel region and changing the first orientation member and the second orientation member, so the present invention can adopt the axial polaroid of general X-Y, to reduce manufacturing cost.
Two, compared to prior art, because the present invention can adopt the axial polaroid of general X-Y, therefore multiple domain horizontal direction matching type liquid crystal display board of the present invention is not easy to occur (edge mura) problem of pulling out in vain.
Three, the present invention and existing five road light shield process-compatible.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those of ordinary skills, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (9)
1. multiple domain horizontal direction matching type liquid crystal display board comprises:
One active component array base board comprises:
One substrate;
The multi-strip scanning line is disposed on this substrate;
Many data lines are disposed on this substrate, and wherein those sweep traces and those data lines define a plurality of L shaped pixel regions on this substrate;
A plurality of pixel cells are disposed at respectively on those L shaped pixel regions, and those pixel cells control by those sweep traces and those data lines, and wherein each those pixel cell comprises:
One active member is electrical connected with corresponding this sweep trace and this data line;
One pixel electrode is electrical connected with this active member;
A plurality of first orientation members are disposed on this pixel electrode, and those first orientation members are from the horizontal by 45 degree angles;
A plurality of second orientation members are disposed on this pixel electrode, and those first orientation members are vertical with those second orientation members;
One subtend substrate has and uses electrode layer altogether; And
One liquid crystal layer is disposed between this active component array base board and this subtend substrate.
2. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, also comprises:
One first polaroid is disposed on the surface away from this liquid crystal layer of this subtend substrate; And
One second polaroid, be disposed on the surface away from this liquid crystal layer of this active component array base board, wherein the polarization direction of this first polaroid from the horizontal by 0 degree and 90 degree one of them, and the polarization direction of this second polaroid is from the horizontal by 0 degree and wherein another of 90 degree.
3. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, this active component array base board also comprises many shared distributions, is disposed on this substrate.
4. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 3 is characterized in that, respectively this shared distribution has a plurality of T-branches.
5. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, the total length of those first orientation members is identical with the total length of those second orientation members in this pixel cell respectively.
6. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, respectively this sweep trace is a zigzag.
7. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, respectively this data line is a zigzag.
8. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, those first orientation members are orientation protrusion or slit.
9. multiple domain horizontal direction matching type liquid crystal display board as claimed in claim 1 is characterized in that, those second orientation members are orientation protrusion or slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101085816A CN100545723C (en) | 2006-07-25 | 2006-07-25 | Multiple domain horizontal direction matching type liquid crystal display board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101085816A CN100545723C (en) | 2006-07-25 | 2006-07-25 | Multiple domain horizontal direction matching type liquid crystal display board |
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| Publication Number | Publication Date |
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| CN101114088A true CN101114088A (en) | 2008-01-30 |
| CN100545723C CN100545723C (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101085816A Expired - Fee Related CN100545723C (en) | 2006-07-25 | 2006-07-25 | Multiple domain horizontal direction matching type liquid crystal display board |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859044A (en) * | 2009-04-09 | 2010-10-13 | 三星电子株式会社 | Display device with display quality of raising |
| US9176356B2 (en) | 2013-11-18 | 2015-11-03 | Shanghai Avic Optoelectronics Co., Ltd. | Pixel unit, pixel array structure and display device |
| CN106448527A (en) * | 2015-08-06 | 2017-02-22 | 中华映管股份有限公司 | Display panel |
| CN111458911A (en) * | 2019-01-18 | 2020-07-28 | 中强光电股份有限公司 | Display device and light source module thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180896A (en) * | 1998-12-15 | 2000-06-30 | Casio Comput Co Ltd | Display panel and production thereof |
| JP4468529B2 (en) * | 1999-07-09 | 2010-05-26 | シャープ株式会社 | Liquid crystal display |
| TWI239418B (en) * | 1999-11-29 | 2005-09-11 | Chii Mei Optoelectronics Corp | Control method for package material dimension used in aligner of liquid crystal display device |
| JP4599867B2 (en) * | 2004-03-30 | 2010-12-15 | ソニー株式会社 | Liquid crystal display |
-
2006
- 2006-07-25 CN CNB2006101085816A patent/CN100545723C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859044A (en) * | 2009-04-09 | 2010-10-13 | 三星电子株式会社 | Display device with display quality of raising |
| US9176356B2 (en) | 2013-11-18 | 2015-11-03 | Shanghai Avic Optoelectronics Co., Ltd. | Pixel unit, pixel array structure and display device |
| CN106448527A (en) * | 2015-08-06 | 2017-02-22 | 中华映管股份有限公司 | Display panel |
| CN111458911A (en) * | 2019-01-18 | 2020-07-28 | 中强光电股份有限公司 | Display device and light source module thereof |
| CN111458911B (en) * | 2019-01-18 | 2024-03-19 | 中强光电股份有限公司 | Display device and light source module thereof |
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| Publication number | Publication date |
|---|---|
| CN100545723C (en) | 2009-09-30 |
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Granted publication date: 20090930 Termination date: 20200725 |