CN100437314C - Liquid crystal display and its pixel electrode array - Google Patents
Liquid crystal display and its pixel electrode array Download PDFInfo
- Publication number
- CN100437314C CN100437314C CNB2006101470387A CN200610147038A CN100437314C CN 100437314 C CN100437314 C CN 100437314C CN B2006101470387 A CNB2006101470387 A CN B2006101470387A CN 200610147038 A CN200610147038 A CN 200610147038A CN 100437314 C CN100437314 C CN 100437314C
- Authority
- CN
- China
- Prior art keywords
- pixel electrode
- pixel
- lcd
- electrode
- infrabasal plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The invention provides a LCD and its pixel electrode array. The pixel electrode array includes a first and a second pixel electrode. The first pixel electrode includes at least two first-sub-pixel electrodes, which are distributed in the neighboring region or shares one part of two pixel areas, and link with each other with their adjacent angles. The second and the first pixel electrode are opposite on their polarity and interlaced in arrange to let at least a first and a second electrode sub-pixel electrodes distribute in each pixel region.
Description
Technical field
The invention relates to a kind of LCD, and particularly relevant for a kind of LCD with pixel electrode (sub-pixel electrode).
Background technology
Because multiple domain homeotropic alignment (multi-domain vertical alignment; MVA) LCD has advantages such as super wide viewing angle and high image quality, has attracted numerous notices.Existing multiple domain vertical alignment liquid crystal display is utilized and make some projections or slit on the inside surface of two transparency carriers, allow liquid crystal molecule in projection or slit is sentenced and on every side orientation departs to some extent with the orientation of position at the liquid crystal molecule at smooth place, increase the visual angle of LCD.
In No. 6922183 patent of the U.S., in order to increase the transverse electric field at the slit place of multiple domain vertical alignment liquid crystal display on the transparency carrier inside surface, with the deviation angle of the Liquid Crystal Molecules Alignment direction that increases the slit place and the reaction time (response time) that shortens liquid crystal molecule, a pixel electrode is divided into two pixel electrodes.Allow the current potential equal and opposite in direction polarity of two pixel electrodes opposite and then, on slit, producing transverse electric field, and further shorten the reaction time of liquid crystal molecule across a slit.
But according to the design of No. 6922183 patent of the U.S., two pixel electrodes must link to each other with a switching element separately, as the driving element of two pixel electrodes.So design, then the number of the driving element of each pixel electrode is original twice, and must contact arranged in a crossed manner hole between the pixel electrode could conduct signal separately.If a pixel electrode is divided into several pixel electrodes, then the pixel electrode of identical polar also must join with lead more in addition, in order to using same switching device as driving element.Then these leads, the difficulty of the complexity of extra circuits and technology again.
Summary of the invention
Therefore one of purpose of the present invention is exactly to form the LCD of pixel electrode with pixel electrode providing a kind of, but does not need to increase the number of the driving switching device of any pixel electrode.
Another object of the present invention is that a kind of LCD of forming pixel electrode with pixel electrode is being provided.Only need original signal wire and switching device, just can allow the polarity of adjacent subpixels electrode opposite.
Another purpose of the present invention is that a kind of LCD is being provided, and has the reaction time of picture demonstration faster.
According to above-mentioned purpose of the present invention, a kind of LCD is proposed, comprise a upper substrate and an infrabasal plate and the liquid crystal layer between described upper substrate and infrabasal plate, described infrabasal plate comprises a pel array, and this pixel electrode array comprises first pixel electrode and second pixel electrode.Described first pixel electrode can be divided at least two first pixel electrodes, is distributed on the two adjacent or shared one jiao pixel regions, and is connected with each other with its adjacent diagonal separately.Similarly, second pixel electrode also can be divided at least two second pixel electrodes, is distributed on the two adjacent or shared one jiao pixel regions, and is connected with each other with its adjacent diagonal separately.Described pel array also comprises a plurality of switching devices, and each first pixel electrode and each second pixel electrode only are electrical connected with a switching device respectively.
Described second pixel electrode is opposite with the current potential size identical polar of first pixel electrode, and first pixel electrode and second pixel electrode are arrangement interlaced with each other, so that be distributed with at least one first pixel electrode and at least one second pixel electrode on each pixel region at least.
The minimum repetitive of the pattern that described first pixel electrode and described second pixel electrode are arranged out lays respectively at two diagonal angles of a parallelogram for wherein described 2 first pixel electrodes, and described 2 second pixel electrodes wherein lay respectively at two diagonal angles in addition of described parallelogram.
Described LCD also comprises and is arranged at a plurality of sweep traces and a plurality of data line that electrically connects respectively with each described switching device on the described substrate.
According to above-mentioned, owing to just pixel electrode is distinguished into several pixel electrodes, but do not cut off on the structure, therefore can a pixel only use one to drive switching device.And first pixel electrode and second pixel electrode for being staggered, therefore as long as the first adjacent pixel electrode is opposite with the current potential equal and opposite in direction polarity of second pixel electrode, do not need to increase again signal wire and drive switching device, can allow be distributed with opposite polarity at least one first pixel electrode and at least one second pixel electrode on each pixel region.
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described in detail as follows:
Description of drawings
Fig. 1 illustrates the pel array schematic top plan view according to a kind of LCD of a preferred embodiment of the present invention;
Fig. 2 illustrates the pel array schematic top plan view according to a kind of LCD of another preferred embodiment of the present invention;
Fig. 3 illustrates the pel array schematic top plan view according to a kind of LCD of the another preferred embodiment of the present invention;
Fig. 4 illustrates the cross-sectional view of general LCD.
The main element symbol description:
100,200,300: pel array
110,210,310: pixel electrode
115,215,315: pixel electrode
110a, 110b: pixel electrode
110c: connecting portion
115a, 115b: pixel electrode
115c: connecting portion
120,220,320: pixel region
130,230,330: sweep trace
140,240,340: data line
150,250,350: switching device
210a, 210b, 210c: pixel electrode
210d, 210e: connecting portion
215a, 215b, 215c: pixel electrode
215d, 215e: connecting portion
310a, 310b: pixel electrode
310c: connecting portion
315a, 315b: pixel electrode
315c: connecting portion
400: LCD
410: infrabasal plate
420: upper substrate
430: liquid crystal layer
Embodiment
According to above-mentioned, the invention provides a kind of LCD, its each pixel electrode all is distinguished into several pixel electrodes, and the polarity of the adjacent pixel electrode in same pixel is opposite.But, do not need to increase the number of the driving switching device of any pixel electrode, only need original signal wire and switching device, the polarity of the adjacent pixel electrode in same pixel of just can stepping down is opposite, with the reaction time of the picture demonstration that reduces LCD.
Embodiment one:
Please refer to Fig. 1, it illustrates the pel array schematic top plan view according to a kind of LCD of a preferred embodiment of the present invention.In Fig. 1, pel array 100 is made of pixel electrode 110, and pixel electrode 110 comprises two pixel electrode 110a, 110b.Pixel electrode 110a, 110b lay respectively on two adjacent pixel regions 120, and are connected with each other by connecting portion 110c between pixel electrode 110a, the 110b.Similarly, pixel electrode 115 comprises two pixel electrode 115a, 115b.Pixel electrode 115a, 115b lay respectively on two adjacent pixel regions 120, and are connected with each other by connecting portion 115c between pixel electrode 115a, the 115b.
Above-mentioned pixel region 120 be by sweep trace 130 and data line 140 intersect the zone dividing out.In addition, a switching device 150 is set in the corner of each pixel region 120.In the present embodiment, switching device 150 is a thin film transistor (TFT), and its grid, source electrode link to each other with pixel electrode 110b or 115b with sweep trace 130, data line 140 respectively with drain electrode.
According to above-mentioned, allow the pixel electrode 110,115 shown in Fig. 1 be staggered on the switching device substrate, allow the polarity of adjacent pixel electrodes 110,115 opposite again, can allow have positive-negative polarity opposite two pixel electrode 115a, 110b on the same pixel region 120.Though pixel electrode 115a, 110b adhere to two different pixels electrodes 115,110 separately, but,, pixel electrode 110 or 115 needs of pixel electrode promptly are enough to drive in the pixel electrode 110 corresponding pixel electrode 115a, 115b in corresponding pixel electrode 110a, 110b or the pixel electrode 115 so being provided with a switching device 150 because two pixel electrode 110a, 110b of pixel electrode 110 or pixel electrode 115 or 115a, 115b interconnect.In addition, the opposite polarity method of adjacent pixel electrodes 110,115 can be used as any suitable methods such as existing some counter-rotating (dot inversion) driving methods implements.
Embodiment two:
Please refer to Fig. 2, it illustrates the pel array schematic top plan view according to a kind of LCD of another preferred embodiment of the present invention, and it is the distortion of Fig. 1.In Fig. 2, pel array 200 is made of pixel electrode 210, and pixel electrode 210 is divided into three pixel electrode 210a, 210b, 210c.Pixel electrode 210a, 210b, 210c are distributed on two adjacent pixel regions 220, and are connected with each other by connecting portion 210d, 210e between pixel electrode 210a, 210b, the 210c, do not cut off.Similarly, pixel electrode 215 is divided into three pixel electrode 215a, 215b, 215c.Pixel electrode 215a, 215b, 215c are distributed on two adjacent pixel regions 220, and are connected with each other by connecting portion 215d, 215e between pixel electrode 215a, 215b, the 215c, do not cut off.
Above-mentioned pixel region 220 be by sweep trace 230 and data line 240 intersect the zone dividing out.In addition, a switching device 250 is set in the corner of each pixel region 220.In the present embodiment, switching device 250 is a thin film transistor (TFT), and its grid, source electrode link to each other with pixel electrode 210c or 215c with sweep trace 230, data line 240 respectively with drain electrode.
According to above-mentioned, allow the pixel electrode 210,215 shown in Fig. 2 be staggered on the switching device substrate, allow the polarity of adjacent pixel electrodes 210,215 opposite again, can allow have positive-negative polarity opposite three pixel electrode 210a, 215b, 210c on the same pixel region 220.Though pixel electrode 210a, 215b, 210c adhere to two different pixels electrodes 210,215 separately, but owing to still be connected together between pixel electrode 210a, 210b, 210c or the 215a of pixel electrode 210 or pixel electrode 215,215b, the 215c, so that pixel electrode 210 or 215 needs of pixel electrode are provided with a switching device 250 is just much of that.And allow the opposite polarity method of adjacent pixel electrodes 210,215 can use any available method to implement, for example existing some inversion driving method.
Embodiment three:
Please refer to Fig. 3, it illustrates the pel array schematic top plan view according to a kind of LCD of the another preferred embodiment of the present invention.In Fig. 3, pel array 300 is made of pixel electrode 310, and pixel electrode 310 is divided into two pixel electrode 310a, 310b.With Fig. 1 and the different part of Fig. 2 be that the shape of pixel electrode is transformed into triangle from square, and pixel electrode 310a, 310b lay respectively on two pixel regions 320 sharing one jiao.Still be connected with each other between pixel electrode 310a, the 310b, do not cut off by connecting portion 310c.Similarly, pixel electrode 315 also is divided into two pixel electrode 315a, 315b.Pixel electrode 315a, 315b lay respectively on two pixel regions 320 sharing one jiao, and are connected with each other by connecting portion 315c between pixel electrode 315a, the 315b, do not cut off.
Above-mentioned pixel region 320 be by sweep trace 330 and data line 340 intersect the zone dividing out.In addition, a switching device 350 is set in the corner of each pixel region 320, in the present embodiment, switching device 350 is a thin film transistor (TFT), and its grid, source electrode link to each other with pixel electrode 310a or 315a with sweep trace 330, data line 340 respectively with drain electrode.
According to above-mentioned, allow the pixel electrode 310,315 shown in Fig. 3 be staggered on the switching device substrate, allow the polarity of pixel electrode 310,315 opposite again, can allow have positive-negative polarity opposite two pixel electrodes (310b, 315a) or (315b, 310a) on the same pixel region 320.Similarly, though pixel electrode 310b, 315a or pixel electrode 315b, 310a adhere to two different pixels electrodes 310,315 separately, but because two pixel electrode 310a, 310b of pixel electrode 310 or 315 or 315a, 315b still be connected together, so that a pixel electrode (310 or 315) only need be provided with a switching device 150 is just much of that.And allow the opposite polarity method of adjacent pixel electrodes 310,315 can use existing any available method to implement, (dot inversion) the driving method of for example reversing.
Above-mentioned picture element array structure can be applicable on any suitable flat-panel screens, for example LCD.Please refer to Fig. 4, it illustrates the cross-sectional view of general LCD.In Fig. 4, the liquid crystal layer 430 that LCD 400 has infrabasal plate 410, upper substrate 420 and is clipped in the middle.The infrabasal plate 410 of LCD 400 has many variations with upper substrate 420 at present.For example, under first kind of situation, if infrabasal plate 410 is the control circuit substrate, then upper substrate 420 can be color filter.Under second kind of situation, control circuit and chromatic filter layer also can all be arranged on the infrabasal plate 410, and then upper substrate 420 has only one deck common electrode.At this moment, the upper and lower relation according to control circuit and chromatic filter layer can be divided into chromatic filter layer (color filter on array on thin film transistor (TFT) array again; COA) and thin film transistor (TFT) array be installed in (Array on Color Filter on the chromatic filter layer; AOC) two kinds of structures.Because the many variations of above-mentioned liquid crystal display device structure is known by the people who is familiar with this skill, therefore give unnecessary details no longer one by one, in Fig. 4, do not show detailed structure yet.
According to above-mentioned, owing to just pixel electrode is distinguished into several pixel electrodes, but do not cut off on the structure, therefore can a pixel only use one to drive switching device.And therefore the different pixel electrode of polarity, do not need to increase signal wire again and drive switching device for being staggered, and can allow be distributed with opposite polarity at least two pixel electrodes on each pixel region.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the claim scope person of defining.
Claims (4)
1. a LCD is characterized in that, described LCD comprises:
One upper substrate;
One infrabasal plate has a pel array, and described pel array comprises:
At least one first pixel electrode, be positioned on the infrabasal plate with a plurality of pixel regions, described at least one first pixel electrode comprises at least two first pixel electrodes, described first pixel electrode is arranged at respectively on the adjacent described pixel region, and the adjacent diagonal of described first pixel electrode is connected with each other, to constitute described at least one first pixel electrode;
At least one second pixel electrode, it comprises at least two second pixel electrodes, described second pixel electrode is arranged on the adjacent described pixel region, and the adjacent diagonal of described second pixel electrode is connected with each other, to constitute described at least one second pixel electrode, wherein said at least one second pixel electrode is opposite with the polarities of potentials of described at least one first pixel electrode, and described first pixel electrode and the arrangement interlaced with each other of described second pixel electrode, so that be distributed with one of described first pixel electrode and one of described second pixel electrode on each described pixel region at least; And
A plurality of switching devices, each described switching device are arranged at respectively in each corresponding pixel region, to control described at least one first pixel electrode and described at least one second pixel electrode respectively; And
One liquid crystal layer is between described upper substrate and described infrabasal plate.
2. LCD according to claim 1 is characterized in that, described LCD also comprises and is arranged at a plurality of sweep traces and a plurality of data line that electrically connects respectively with each described switching device on the described infrabasal plate.
3. a LCD is characterized in that, described LCD comprises:
One upper substrate;
One infrabasal plate has a pel array, and described pel array comprises:
At least one first pixel electrode, it is positioned on the infrabasal plate with a plurality of pixel regions, described at least one first pixel electrode comprises at least two first pixel electrodes, described first pixel electrode is arranged on shared one jiao two pixel regions of described pixel region, and the adjacent diagonal of described first pixel electrode is connected with each other, to constitute described at least one first pixel electrode; And
At least one second pixel electrode, it comprises at least two second pixel electrodes, described second pixel electrode is arranged on shared one jiao two pixel regions of described pixel region, and the adjacent diagonal of described second pixel electrode is connected with each other, to constitute described at least one second pixel electrode, wherein said at least one second pixel electrode is opposite with the polarities of potentials of described at least one first pixel electrode, and described first pixel electrode and the arrangement interlaced with each other of described second pixel electrode, so that be distributed with one of described first pixel electrode and one of described second pixel electrode on each described pixel region at least; And
A plurality of switching devices, each described switching device are arranged at respectively in each corresponding described pixel region, to control described at least one first pixel electrode and described at least one second pixel electrode respectively; And
One liquid crystal layer is between described upper substrate and described infrabasal plate.
4. LCD according to claim 3 is characterized in that, described LCD also comprises and is arranged at a plurality of sweep traces and a plurality of data line that electrically connects respectively with each described switching device on the described infrabasal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101470387A CN100437314C (en) | 2006-11-13 | 2006-11-13 | Liquid crystal display and its pixel electrode array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101470387A CN100437314C (en) | 2006-11-13 | 2006-11-13 | Liquid crystal display and its pixel electrode array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945411A CN1945411A (en) | 2007-04-11 |
| CN100437314C true CN100437314C (en) | 2008-11-26 |
Family
ID=38044880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101470387A Active CN100437314C (en) | 2006-11-13 | 2006-11-13 | Liquid crystal display and its pixel electrode array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100437314C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913913B (en) | 2013-12-10 | 2016-11-02 | 上海中航光电子有限公司 | A kind of array base palte and preparation method thereof, display floater and display device |
| CN106371257B (en) * | 2016-11-02 | 2020-05-05 | 深圳市华星光电技术有限公司 | Liquid crystal panel and display device |
| CN109188794A (en) * | 2018-10-15 | 2019-01-11 | 惠科股份有限公司 | Display panel and display device |
| CN115755472B (en) * | 2022-11-29 | 2023-11-14 | 惠科股份有限公司 | Array substrate, liquid crystal display panel, driving method and liquid crystal display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001281626A (en) * | 2000-03-29 | 2001-10-10 | Seiko Epson Corp | Liquid crystal display device |
| US6922183B2 (en) * | 2002-11-01 | 2005-07-26 | Chin-Lung Ting | Multi-domain vertical alignment liquid crystal display and driving method thereof |
| JP2006071891A (en) * | 2004-09-01 | 2006-03-16 | Sharp Corp | Liquid crystal display device and driving circuit and driving method thereof |
| US20060139289A1 (en) * | 1999-10-13 | 2006-06-29 | Hidefumi Yoshida | Apparatus and method to improve quality of moving image displayed on liquid crystal display device |
| CN1797144A (en) * | 2004-12-31 | 2006-07-05 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device using in-plane switching mode |
| CN1808250A (en) * | 2004-12-20 | 2006-07-26 | 三星电子株式会社 | Thin film transistor array panel and display device |
-
2006
- 2006-11-13 CN CNB2006101470387A patent/CN100437314C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060139289A1 (en) * | 1999-10-13 | 2006-06-29 | Hidefumi Yoshida | Apparatus and method to improve quality of moving image displayed on liquid crystal display device |
| JP2001281626A (en) * | 2000-03-29 | 2001-10-10 | Seiko Epson Corp | Liquid crystal display device |
| US6922183B2 (en) * | 2002-11-01 | 2005-07-26 | Chin-Lung Ting | Multi-domain vertical alignment liquid crystal display and driving method thereof |
| JP2006071891A (en) * | 2004-09-01 | 2006-03-16 | Sharp Corp | Liquid crystal display device and driving circuit and driving method thereof |
| CN1808250A (en) * | 2004-12-20 | 2006-07-26 | 三星电子株式会社 | Thin film transistor array panel and display device |
| CN1797144A (en) * | 2004-12-31 | 2006-07-05 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device using in-plane switching mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1945411A (en) | 2007-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4394114B2 (en) | Liquid crystal display device and pixel electrode array thereof | |
| US10146097B2 (en) | Liquid crystal display | |
| CN104536215B (en) | A kind of array base palte and liquid crystal display panel | |
| CN108508666B (en) | Liquid crystal display device and viewing angle switching method | |
| US20120306732A1 (en) | Liquid crystal display device | |
| US9646553B2 (en) | Display device | |
| JP2003215636A (en) | Liquid crystal display | |
| CN102692769A (en) | Liquid crystal display panel | |
| CN109116639B (en) | Liquid crystal display device and driving method thereof | |
| CN110174795A (en) | Liquid crystal display device | |
| CN104808401A (en) | Liquid crystal display panel | |
| US8803858B2 (en) | Display device | |
| CN105182620B (en) | Dot structure and driving method, display base plate and display device | |
| CN115145082A (en) | Pixel structure, array substrate and display panel | |
| CN100437314C (en) | Liquid crystal display and its pixel electrode array | |
| CN106094382A (en) | Display floater, display device and driving method thereof | |
| CN108761856B (en) | Array substrate, liquid crystal display device and driving method | |
| CN207249311U (en) | Array base palte and display device | |
| CN108681160B (en) | Liquid crystal display panel and driving method thereof | |
| JP6166381B2 (en) | LCD panel | |
| KR101327300B1 (en) | Array substrate and display panel having the same | |
| CN109298571B (en) | Liquid crystal display device and driving method | |
| CN205067928U (en) | Dot structure, display substrates and display device | |
| CN107132711A (en) | Array base palte and liquid crystal display panel | |
| CN108761935A (en) | array substrate and liquid crystal display device and driving method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |