CN111258139A - Pixel structure and display panel - Google Patents
Pixel structure and display panel Download PDFInfo
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- CN111258139A CN111258139A CN202010118581.4A CN202010118581A CN111258139A CN 111258139 A CN111258139 A CN 111258139A CN 202010118581 A CN202010118581 A CN 202010118581A CN 111258139 A CN111258139 A CN 111258139A
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- 239000004973 liquid crystal related substance Substances 0.000 abstract description 8
- 239000010409 thin film Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a pixel structure and a display panel, wherein the pixel structure comprises a plurality of pixel areas, the pixel areas are vertically defined by a plurality of data lines and a plurality of scanning lines in a staggered manner, each pixel area is provided with two sub-pixels, the polarities of the pixel areas in one of a plurality of lines along the vertical direction are distributed into two same first polarities and then are connected with two same second polarities, and the arrangement of the polarity arrangement mode along the vertical direction is that the two same first polarities are connected with two same second polarities, so that the problem of vertical block crosstalk after the matching of a data line sharing framework and visual angle compensation is solved, and the display effect of a thin film transistor liquid crystal display is improved.
Description
Technical Field
The present invention relates to the field of thin film transistor liquid crystal display (TFT-LCD) technology, and more particularly, to a pixel structure and a display panel.
Background
Since Liquid Crystal Displays (LCDs) have the advantages of low radiation, small size, and low power consumption, they are gradually replacing conventional Cathode Ray Tube (CRT) displays and are widely used in information products such as notebook computers, Personal Digital Assistants (PDAs), flat panel televisions, or mobile phones.
In the prior art, the reduction of the manufacturing cost is a very important issue in the production of liquid crystal panels. A Data Line Sharing (DLS) architecture is a common method, and the number of scan lines (gate lines) is doubled, while the number of data lines (data lines) is halved, so as to reduce the number of source drivers (source) and achieve the purpose of reducing cost.
In addition, the View Angle Compensation (VAC) technique is very important for a Vertical Alignment (VA) type display, including azimuth angle compensation and solid angle compensation, generally, the VA type display uses a multi-domain pixel design technique to achieve the purpose of view angle compensation, wherein the VA type display can be further divided into 4-domain (4-domain), 8-domain (8-domain) or more than 8-domain pixel compensation, usually, the 4-domain pixel compensation is used to compensate the azimuth angle of the display, and the more than 8-domain pixel compensation design is used to compensate the solid angle.
Further, the technique of using multi-domain pixel design to compensate the azimuth angle and solid angle of the display requires a sub-domain within a sub-pixel and requires different liquid crystal operation voltages, usually divided into a bright region and a dark region. However, after 4-domain pixels (4-domain pixels) are adopted together with the viewing angle compensation technique, there is a severe vertical block cross talk phenomenon at low gray levels, which further affects the display quality of the picture.
Therefore, there is a need to provide an improved pixel structure and display panel to solve the above-mentioned problems of the prior art.
Disclosure of Invention
The invention aims to provide a pixel structure and a display panel, wherein the arrangement of two same first polarities and two same second polarities are followed by the polarity arrangement mode along the vertical direction, so that the problem of vertical block crosstalk after the data line sharing architecture is matched with the visual angle compensation is solved, and the display effect of a thin film transistor liquid crystal display is improved.
In order to achieve the above-mentioned objectives, an embodiment of the present invention provides a pixel structure, which includes a plurality of pixel regions defined by a plurality of data lines and a plurality of scan lines vertically staggered, wherein each pixel region has two sub-pixels, and the polarities of the pixel regions in one of the plurality of rows along the vertical direction are arranged as two first polarities which are the same and then two second polarities which are the same.
In an embodiment of the invention, the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the horizontal direction are arranged in sequence as a red sub-pixel, a blue sub-pixel and a green sub-pixel.
In an embodiment of the present invention, the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the vertical direction are the same kind of red, blue or green sub-pixels.
In an embodiment of the invention, the polarities of the plurality of pixel regions in the first row along the vertical direction are arranged to be two same first polarities followed by two same second polarities, and the polarities of the plurality of pixel regions in the second row along the vertical direction are arranged to be two same second polarities followed by two same first polarities, wherein the first polarities are positive polarities and the second polarities are negative polarities.
In an embodiment of the invention, the two sub-pixels in each pixel region are arranged horizontally.
In order to achieve the above-mentioned objectives, an embodiment of the present invention provides a display panel, which includes a plurality of data lines, a plurality of scan lines and a plurality of pixel regions, wherein the plurality of pixel regions are defined by vertically interleaving the plurality of data lines and the plurality of scan lines, the plurality of data lines are arranged along a horizontal direction and are parallel to each other for providing data signals to the plurality of pixel regions, the plurality of scan lines are arranged along a vertical direction and are parallel to each other for providing scan signals to the plurality of pixel regions, each pixel region is provided with two sub-pixels, and the polarities of the plurality of pixel regions in one of the plurality of lines along the vertical direction are arranged as two first polarities which are the same and then as two second polarities which are the same.
In an embodiment of the invention, the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the horizontal direction are arranged in sequence as a red sub-pixel, a blue sub-pixel and a green sub-pixel.
In an embodiment of the present invention, the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the vertical direction are the same kind of red, blue or green sub-pixels.
In an embodiment of the invention, the polarities of the pixel regions in the first row along the vertical direction are arranged to be the same two first polarities followed by the same two second polarities, and the polarities of the pixel regions in the second row along the vertical direction are arranged to be the same two second polarities followed by the same two first polarities, wherein the first polarities and the second polarities are respectively positive and negative.
In an embodiment of the invention, the two sub-pixels in each pixel region are arranged horizontally.
As described above, by arranging the same two first polarities and then continuing to the same two second polarities along the vertical direction, in two adjacent pixel regions, one of the same-color sub-pixels in the same row becomes bright and one becomes dark, so that the brightness of the sub-pixels is offset by brightness, thereby improving the vertical block crosstalk problem after the data line sharing architecture is matched with the viewing angle compensation, and further improving the display effect of the thin film transistor liquid crystal display.
Drawings
Fig. 1 is a schematic diagram of a preferred embodiment of a display panel according to the present invention.
FIG. 2 is a schematic diagram of the display panel after the viewing angle compensation is turned on according to a preferred embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. Furthermore, directional phrases used herein, such as, for example, upper, lower, top, bottom, front, rear, left, right, inner, outer, lateral, peripheral, central, horizontal, lateral, vertical, longitudinal, axial, radial, uppermost or lowermost, etc., refer only to the orientation of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Fig. 1 is a schematic view of a display panel according to a preferred embodiment of the invention. The display panel includes a plurality of data lines Dn (e.g., D1, D2, etc.), a plurality of scan lines Sn (e.g., S1, S2, etc.), and a plurality of pixel regions 4. The detailed construction, assembly relationship and operation principle of the above components of the embodiments of the present invention will be described in detail below.
Referring to fig. 1, the pixel regions 4 are defined by the data lines Dn and the scan lines Sn in a vertically staggered manner; wherein the plurality of data lines Dn are arranged in a horizontal direction and are parallel to each other, and are used for providing data signals to the corresponding plurality of pixel regions 4; in addition, the plurality of scan lines Sn are arranged in a vertical direction and are parallel to each other, and the plurality of scan lines Sn are used to supply scan signals to the plurality of pixel regions 4.
Referring to fig. 1, each pixel region 4 is provided with two sub-pixels 41, wherein the two sub-pixels 41 in each pixel region 4 are arranged horizontally. In addition, the polarities of the plurality of pixel regions 4 in one of the plurality of rows along the vertical direction a are arranged to be the same two first polarities followed by the same two second polarities. In this embodiment, for example, the polarities of the pixel regions 4 in the first row of the plurality of rows along the vertical direction a are arranged as two same first polarities, and then are followed by two same second polarities, where the two first polarities are positive polarities and the two second polarities are negative polarities.
Referring to fig. 1, the sub-pixels 41 in the pixel regions 4 of one of the columns along the horizontal direction B are arranged as red, blue and green sub-pixels. In the present embodiment, for example, the plurality of sub-pixels 41 in the plurality of pixel regions 4 in the first column of the plurality of columns along the horizontal direction B are arranged in order of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
Referring to fig. 1, the sub-pixels 41 in the pixel regions 4 of one of the rows along the vertical direction a are red, blue, or green sub-pixels of the same type. In the present embodiment, for example, the plurality of sub-pixels 41 in the plurality of pixel regions 4 in the first row among the plurality of rows along the vertical direction a are the same kind of red sub-pixel; the plurality of sub-pixels 41 in the plurality of pixel regions 4 in the second row among the plurality of rows along the vertical direction a are the same kind of blue sub-pixels; the plurality of sub-pixels 41 in the plurality of pixel regions 4 of the third row among the plurality of rows along the vertical direction a are the same kind of green sub-pixels.
Referring to fig. 1, the polarities of the pixel regions 4 in the first row along the vertical direction a are arranged to be the same two first polarities followed by the same two second polarities, and the polarities of the pixel regions 4 in the second row along the vertical direction a are arranged to be the same two second polarities followed by the same two first polarities. In this embodiment, for example, the first polarity is a positive electrode, and the second polarity is a negative electrode.
According to the above structure, the polarity arrangement along the vertical direction a is the same two first polarities followed by the same two second polarities, and after the viewing angle compensation is turned on, as shown in fig. 2, for example, in the first green sub-pixel of the green sub-pixels in the third row along the vertical direction a, the data signal of the data line D1 jumps from the +48 gray level to the +255 gray level, so that the first green sub-pixel in the third row is coupled to brighten; in the first red sub-pixel of the plurality of red sub-pixels in the fourth row along the vertical direction a, the data signal of the data line D2 jumps from the-48 gray scale to the-255 gray scale, so that the first red sub-pixel in the fourth row is coupled to be dark; in the second green sub-pixel of the plurality of green sub-pixels in the third row, the second green sub-pixel with positive polarity is darkened when the data signal of the data line D1 jumps from the +48 gray scale to the +255 gray scale; in the second red sub-pixel of the plurality of red sub-pixels in the fourth row, the second red sub-pixel with positive polarity becomes bright when the data signal of the data line D2 jumps from-48 gray scale to-255 gray scale; the other sub-pixels are so similar that, for example, the first green sub-pixel in the third row is brighter and the second green sub-pixel in the third row is darker, and the first red sub-pixel in the fourth row is brighter and the second green sub-pixel in the third row is darker.
As described above, by arranging the polarities along the vertical direction a in such a manner that two first polarities are the same and then two second polarities are the same, in two adjacent pixel regions 4, one of the sub-pixels in the same row with the same color becomes bright and dark, so that the brightness of the sub-pixels is offset by brightness, the problem of vertical block crosstalk after the data line sharing architecture is matched with the viewing angle compensation is solved, and the display effect of the thin film transistor liquid crystal display is improved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. Rather, modifications and equivalent arrangements included within the spirit and scope of the claims are included within the scope of the invention.
Claims (10)
1. A pixel structure, characterized by: the pixel structure comprises a plurality of pixel regions, wherein the pixel regions are defined by a plurality of data lines and a plurality of scanning lines in a vertically staggered manner, each pixel region is provided with two sub-pixels, and the polarities of the pixel regions in one of a plurality of lines along the vertical direction are distributed into two same first polarities and then are sequentially connected with two same second polarities.
2. The pixel structure of claim 1, wherein: the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of columns along the horizontal direction are arranged in order of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
3. The pixel structure of claim 2, wherein: the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the vertical direction are the same kind of red, blue or green sub-pixels.
4. The pixel structure of claim 1, wherein: the polarities of the pixel regions in the first row along the vertical direction are arranged to be the same two first polarities followed by the same two second polarities, and the polarities of the pixel regions in the second row along the vertical direction are arranged to be the same two second polarities followed by the same two first polarities, wherein the first polarities are positive and the second polarities are negative.
5. The pixel structure of claim 1, wherein: the two sub-pixels in each pixel region are arranged horizontally.
6. A display panel, characterized in that: the display panel comprises a plurality of data lines, a plurality of scanning lines and a plurality of pixel regions, wherein the plurality of pixel regions are defined by the plurality of data lines and the plurality of scanning lines in a vertically staggered manner, the plurality of data lines are arranged along the horizontal direction and are parallel to each other and are used for providing data signals for the plurality of pixel regions, the plurality of scanning lines are arranged along the vertical direction and are parallel to each other and are used for providing scanning signals for the plurality of pixel regions, each pixel region is provided with two sub-pixels, and the polarities of the plurality of pixel regions in one of the plurality of lines along the vertical direction are arranged into two same first polarities and then are connected into two same second polarities.
7. The display panel of claim 6, wherein: the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of columns along the horizontal direction are arranged in order of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
8. The display panel of claim 7, wherein: the plurality of sub-pixels in the plurality of pixel regions of one of the plurality of rows along the vertical direction are the same kind of red, blue or green sub-pixels.
9. The display panel of claim 6, wherein: the polarities of the pixel regions in the first row along the vertical direction are arranged to be the same two first polarities and then are sequentially connected to the same two second polarities, and the polarities of the pixel regions in the second row along the vertical direction are arranged to be the same two second polarities and then are sequentially connected to the same two first polarities, wherein the first polarities and the second polarities are respectively positive electrodes and negative electrodes.
10. The display panel of claim 6, wherein: the two sub-pixels in each pixel region are arranged horizontally.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010118581.4A CN111258139B (en) | 2020-02-26 | 2020-02-26 | Pixel structure and display panel |
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| CN202010118581.4A CN111258139B (en) | 2020-02-26 | 2020-02-26 | Pixel structure and display panel |
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| CN111258139B CN111258139B (en) | 2023-10-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113741107A (en) * | 2021-08-31 | 2021-12-03 | 惠科股份有限公司 | Array substrate, display panel and display device |
| WO2022057027A1 (en) * | 2020-09-17 | 2022-03-24 | Tcl华星光电技术有限公司 | Array substrate and liquid crystal display panel |
| CN114488639A (en) * | 2022-03-30 | 2022-05-13 | 苏州华星光电技术有限公司 | Array substrate, liquid crystal display panel and display device |
| US11947230B2 (en) | 2022-03-30 | 2024-04-02 | Suzhou China Star Optoelectronics Technology Co., Ltd. | Array substrate, liquid crystal display panel, and display device |
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| CN111258139B (en) | 2023-10-31 |
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