WO2020098052A1 - Structure de pixel et panneau d'affichage - Google Patents

Structure de pixel et panneau d'affichage Download PDF

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Publication number
WO2020098052A1
WO2020098052A1 PCT/CN2018/121757 CN2018121757W WO2020098052A1 WO 2020098052 A1 WO2020098052 A1 WO 2020098052A1 CN 2018121757 W CN2018121757 W CN 2018121757W WO 2020098052 A1 WO2020098052 A1 WO 2020098052A1
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WO
WIPO (PCT)
Prior art keywords
pixel
sub
pixels
main
auxiliary
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PCT/CN2018/121757
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English (en)
Chinese (zh)
Inventor
赵文勤
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惠科股份有限公司
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Publication of WO2020098052A1 publication Critical patent/WO2020098052A1/fr

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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
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods

Definitions

  • the present application relates to the design of a pixel structure, in particular to a pixel structure and a display panel.
  • the display panel is usually provided with a plurality of light-emitting pixels arranged according to a certain rule, and the display needs of the display panel are realized by the orderly light-emitting of the light-emitting pixels.
  • the pixel structure of a light-emitting pixel is generally such that sub-pixels of various colors are alternately arranged and scanned by a scan signal, and the data signal is powered to realize light emission of the sub-pixels.
  • the display quality of the liquid crystal display device is easily affected by the viewing angle, and the color shift phenomenon is likely to occur when viewing at a large viewing angle.
  • a pixel structure and a display panel that can improve the color shift phenomenon when a liquid crystal display device is viewed at a large viewing angle are provided.
  • a pixel structure including:
  • any one of the main pixels includes four main sub-pixels, and the four main sub-pixels are arranged in two rows and two columns;
  • any auxiliary pixel includes four auxiliary sub-pixels, and the four auxiliary sub-pixels are arranged in two rows and two columns;
  • the main pixels and the auxiliary pixels are staggered to form an array, and the data voltage of the main pixels is different from the data voltage of the auxiliary pixels.
  • the pixel structure further includes:
  • a plurality of data lines including a plurality of first voltage data lines and a plurality of second voltage data lines, the voltage of the first voltage data line is different from the voltage of the second voltage data line;
  • a plurality of scanning lines are arranged to cross the data lines
  • the main sub-pixel is connected to the first voltage data line and the scan line; the auxiliary sub-pixel is connected to the second voltage data line and the scan line.
  • the voltages of the first voltage data line and the second voltage data line are different.
  • the voltage of the first voltage data line is greater than the voltage of the second voltage data line.
  • the main pixels and the auxiliary pixels are alternately arranged along the first direction of the array.
  • the main pixels and the auxiliary pixels are alternately arranged along the second direction of the array.
  • any one of the main pixels includes a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel.
  • the any sub-pixel includes a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel.
  • the red sub-pixel, the green sub-pixel, the blue sub-pixel and the white sub-pixel are arranged in two rows and two columns.
  • the red sub-pixel, the green sub-pixel, the blue sub-pixel, and the white sub-pixel are arranged in two rows and two columns.
  • the arrangement rule of the main sub-pixels in the main pixel is the same as the arrangement rule of the auxiliary sub-pixels in the auxiliary pixel.
  • any one of the main sub-pixel and the auxiliary sub-pixel corresponding to the main sub-pixel are separated by one main sub-pixel or one auxiliary sub-pixel.
  • the sub-pixel corresponding to the main sub-pixel refers to the sub-pixel having the same color as the main sub-pixel and the closest distance.
  • the shape of the main sub-pixel is a square with the same length and width.
  • the shape of the sub-pixel is a square with the same length and width.
  • the main sub-pixel and the auxiliary sub-pixel have the same size.
  • a display panel including:
  • any one of the main pixels includes four main sub-pixels, and the four main sub-pixels are arranged in two rows and two columns;
  • any auxiliary pixel includes four auxiliary sub-pixels, and the four auxiliary sub-pixels are arranged in two rows and two columns;
  • the main pixels and the auxiliary pixels are staggered to form an array, and the data voltage of the main pixels is different from the data voltage of the auxiliary pixels.
  • the display panel further includes:
  • a plurality of data lines including a plurality of first voltage data lines and a plurality of second voltage data lines, the voltage of the first voltage data line is different from the voltage of the second voltage data line;
  • a plurality of scanning lines are arranged to cross the data lines
  • the main sub-pixel is connected to the first voltage data line and the scan line; the auxiliary sub-pixel is connected to the second voltage data line and the scan line.
  • the display panel further includes a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate;
  • the plurality of main pixels, the plurality of auxiliary pixels, the plurality of data lines, and the plurality of scan lines are disposed on the first substrate.
  • a display device including:
  • any one of the main pixels includes four main sub-pixels, and the four main sub-pixels are arranged in two rows and two columns;
  • any auxiliary pixel includes four auxiliary sub-pixels, and the four auxiliary sub-pixels are arranged in two rows and two columns;
  • the main pixels and the auxiliary pixels are staggered to form an array, and the data voltage of the main pixels is different from the data voltage of the auxiliary pixels.
  • FIG. 1 is a schematic diagram of an arrangement of pixel structures in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the arrangement and circuit relationship of pixel structures in an embodiment of the present application.
  • FIG. 3 is a schematic diagram of arrangement and circuit relationship of sub-pixels in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of arrangement and circuit relationship of sub-pixels in another embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a display panel in an embodiment of the present application.
  • the present application provides a pixel structure, as shown in FIG. 1, including a plurality of main pixels 100 and a plurality of auxiliary pixels 200.
  • the pixel is the smallest repeating structure composed of several sub-pixels.
  • Any sub-pixel may be one of an R (Red, red) sub-pixel, a G (Green, green) sub-pixel, a B (Blue, blue) sub-pixel, and a W (White, white) sub-pixel.
  • R Red, red
  • G Green, green
  • B Blue, blue
  • W White, white
  • Pixels are generally driven by data voltages to emit light.
  • two different data voltages of different sizes are used to drive different pixels. Therefore, in order to distinguish pixels having different data voltage sizes, pixels driven by data voltages of the same size are named main pixels 100, and pixels driven by data voltages of another size are named secondary pixels 200.
  • main pixels 100 pixels driven by data voltages of the same size
  • secondary pixels 200 pixels driven by data voltages of another size
  • pixels with a larger data voltage are the main pixels 100
  • pixels with a smaller data voltage are the auxiliary pixels 200.
  • the sub-pixels constituting the main pixel 100 are named main sub-pixels; the sub-pixels constituting the auxiliary pixel 200 are named sub-sub-pixels.
  • the main pixels 100 and the auxiliary pixels 200 are staggered to form an array, as shown in FIG. 1.
  • the pixel structure emits light
  • the main pixel 100 is bright and the auxiliary pixel 200 is dark. Therefore, the pixels forming the pixel structure are arranged alternately in light and dark.
  • any main pixel 100 includes four main sub-pixels, and the four main sub-pixels are arranged in two rows and two columns.
  • Any sub-pixel 200 includes four sub-pixels, and the four sub-pixels are arranged in two rows and two columns.
  • the contrast between the main pixels 100 and the auxiliary pixels 200 that are staggered and have different brightness levels is large, which can solve the problem of color shift phenomenon in a display panel using the pixel structure at a large viewing angle Improve its display effect.
  • the four sub-pixels are arranged in two rows and two columns, which can make the sub-pixels driven by the same data voltage more concentrated, thereby improving its display effect.
  • main pixel 100 and the auxiliary pixel 200 are only named to distinguish the size of the data voltage.
  • the pixel with the smaller data voltage may also be named the main pixel 100, and the one with the larger data voltage
  • the pixel is named sub-pixel 200. This change can still solve the color shift problem by staggering the arrangement of pixels in light and dark. Therefore, it should also be understood that it is within the protection scope of the present application.
  • the pixel structure of the present application further includes multiple data lines and multiple scan lines 21.
  • the data line is used to provide a data voltage for the pixel. Based on the data voltages of different sizes in the present application, the data line includes a first voltage data line 11 and a second voltage data line 12.
  • the first voltage data line 11 is connected to the main sub-pixel and is used to provide a data voltage for the main sub-pixel.
  • the second voltage data line 12 is connected to the auxiliary sub-pixel, and is used to provide a data voltage for the auxiliary sub-pixel. Since the data voltage of the main pixel 100 is greater than the data voltage of the sub-pixel, the voltage of the first voltage data line 11 is greater than the voltage of the second voltage data line 12.
  • the scanning line 21 and the data line are arranged to cross, and the pixels are connected to the intersection of the scanning line 21 and the data line.
  • the scan line 21 is connected to the main pixel 100 and the sub-pixel 200, and is used to turn on the driving circuit of the pixel.
  • the scan line 21 corresponding to the sub-pixel is energized, so that the driving circuit of the sub-pixel is turned on.
  • the data line corresponding to the sub-pixel provides a data voltage to the sub-pixel, thereby causing the sub-pixel to emit light.
  • the main pixels 100 and the auxiliary pixels 200 are alternately arranged along the first direction and the second direction of the array.
  • the first direction of the array may refer to the row direction of the pixel structure
  • the second direction of the array may refer to the column direction of the pixel structure.
  • the first direction is perpendicular to the second direction.
  • the first direction of the array may also refer to the column direction of the pixel structure
  • the second direction of the array may also refer to the row direction of the pixel structure.
  • the main pixels 100 and the auxiliary pixels 200 are alternately arranged in the first direction and the second direction of the array, so that any adjacent pixels of the main pixels 100 in the first direction and the second direction are auxiliary
  • the adjacent pixels in the first direction and the second direction of any auxiliary pixel 200 are the main pixels 100.
  • a sub-pixel 200 closest to the main pixel 100 is called a sub-pixel 200 corresponding to the main pixel 100; a sub-pixel closest to the main sub-pixel and the same color is called a sub-pixel corresponding to the main sub-pixel.
  • any main pixel 100 has a sub-pixel 200 corresponding to it, and any main sub-pixel has a sub-pixel corresponding to it.
  • the pixel structure can better improve the contrast between adjacent pixels, solve the problem of color shift of the display panel under a large viewing angle, and improve the display effect.
  • each main pixel 100 includes an R sub-pixel, a G sub-pixel, a B sub-pixel, and a W sub-pixel.
  • Each sub-pixel 200 also includes an R sub-pixel, a G sub-pixel, a B sub-pixel, and a W sub-pixel.
  • the four main sub-pixels are arranged in two rows and two columns, and the four auxiliary pixels 200 are also arranged in two rows and two columns.
  • the arrangement rule of the four main sub-pixels in the main pixel 100 is the same as the arrangement rule of the four auxiliary sub-pixels in the auxiliary pixel 200.
  • the arrangement structure of the main pixel 100 and the auxiliary pixel 200 can make the sub-pixels driven by the same data voltage more concentrated, avoiding bright and dark stripes when the pixel structure emits light, thereby improving display effect.
  • this structure can also solve the problem of color shift of the display panel, and avoid the color shift of the positive viewing angle caused by the unequal distance between the different main sub-pixels and the corresponding sub-pixels, thereby improving The display effect of the display panel.
  • any main sub-pixel and an adjacent sub-pixel of the same color are separated by one main sub-pixel or auxiliary sub-pixel.
  • any main sub-pixel is separated from its corresponding sub-pixel by one sub-pixel.
  • the main pixel 100 in the first row and first column is composed of an R1 subpixel, a G1 subpixel, a B1 subpixel, and a W1 subpixel.
  • the auxiliary subpixel corresponding to the R1 subpixel is R2; the auxiliary subpixel corresponding to the G1 subpixel is G2; the auxiliary subpixel corresponding to the B1 subpixel is B2; and the auxiliary subpixel corresponding to the W1 subpixel is W2.
  • the R1 sub-pixel and the R2 sub-pixel are separated by a B1 sub-pixel.
  • the G1 sub-pixel and the G2 sub-pixel are separated by a W1 sub-pixel.
  • the B1 sub-pixel and the B2 sub-pixel are separated by one R2 sub-pixel.
  • the W1 sub-pixel and the W2 sub-pixel are separated by one G2 sub-pixel.
  • the main pixel 100 in the third row and third column it is composed of an R3 subpixel, a G3 subpixel, a B3 subpixel, and a W3 subpixel.
  • the auxiliary sub-pixel corresponding to the R3 sub-pixel is R4; the auxiliary sub-pixel corresponding to the G3 sub-pixel is G4; the auxiliary sub-pixel corresponding to the B3 sub-pixel is B4; and the auxiliary sub-pixel corresponding to the W3 sub-pixel is W4.
  • the R3 sub-pixel and the R4 sub-pixel are separated by a B4 sub-pixel.
  • the G3 sub-pixel and the G4 sub-pixel are separated by a W4 sub-pixel.
  • the B3 sub-pixel and the B4 sub-pixel are separated by an R3 sub-pixel.
  • the W3 sub-pixel and the W4 sub-pixel are separated by one G3 sub-pixel.
  • any main sub-pixel and an adjacent sub-pixel of the same color are separated by one sub-pixel, which can avoid the positive viewing angle caused by the unequal distance between the different main sub-pixel and the corresponding sub-pixel
  • the problem of color shift occurs, improving the display effect of the display panel.
  • any main sub-pixel and any auxiliary sub-pixel have the same size and are square with equal length and width.
  • the present application also provides a display panel, as shown in FIG. 5, including a first substrate 31, a second substrate 32 and a liquid crystal layer 33 sandwiched between the first substrate 31 and the second substrate 32.
  • the first substrate 31 may be an array substrate
  • the second substrate 32 may be a color filter substrate.
  • a pixel structure 34 is provided on the first substrate 31, and the pixel structure 34 is the pixel structure described in any of the above embodiments.
  • the pixel structure includes multiple data lines, multiple scan lines, multiple main pixels, and multiple auxiliary pixels.
  • the data line includes a first voltage data line and a second voltage data line, and the magnitude of the data voltage of the first voltage data line is different from the magnitude of the data voltage of the second voltage data line.
  • Multiple scan lines and multiple data lines are arranged crosswise.
  • the sub-pixel of one pixel is connected to a crossing point of the scanning line and the data line.
  • the main pixel is composed of several main sub-pixels and is the smallest repeating structure of the main sub-pixel. Any main sub-pixel is connected to a crossing point of the first voltage data line and the scanning line to be scanned by the scanning line, and the first voltage data line is driven.
  • the sub-pixel is composed of several sub-sub-pixels, and is the smallest repeating structure of the sub-sub-pixel. Any sub-pixel is connected to a crossing point of the second voltage data line and the scanning line to be scanned by the scanning line, and the second voltage data line is driven.
  • the auxiliary pixels and the main pixels are alternately arranged to form an array.
  • the above-mentioned display panel has main pixels and auxiliary pixels arranged alternately. Since the data voltages of the main pixel and the auxiliary pixel are different, the main pixel and the auxiliary pixel have different levels of light and dark. When the pixel structure emits light, the contrast between the main pixels and the auxiliary pixels arranged in a staggered manner and having different light and dark levels is large, which can solve the problem of color shift in a large viewing angle of the display panel and improve the display effect.
  • the present application also provides a display device including the display panel in any one of the above embodiments.
  • the pixel structure of the display device includes multiple data lines, multiple scan lines, multiple main pixels, and multiple auxiliary pixels.
  • the data line includes a first voltage data line and a second voltage data line, and the magnitude of the data voltage of the first voltage data line is different from the magnitude of the data voltage of the second voltage data line.
  • Multiple scan lines and multiple data lines are arranged crosswise.
  • the sub-pixel of one pixel is connected to a crossing point of the scanning line and the data line.
  • the main pixel is composed of several main sub-pixels and is the smallest repeating structure of the main sub-pixel. Any main sub-pixel is connected to a crossing point of the first voltage data line and the scanning line to be scanned by the scanning line, and the first voltage data line is driven.
  • the sub-pixel is composed of several sub-sub-pixels, and is the smallest repeating structure of the sub-sub-pixel. Any sub-pixel is connected to a crossing point of the second voltage data line and the scan line to be scanned by the scan line and driven by the second voltage data line.
  • the auxiliary pixels and the main pixels are alternately arranged to form an array.
  • the pixel structure of the pixel structure is staggered when emitting light and the contrast between the main pixel and the auxiliary pixel is large, which can solve the problem of color shift phenomenon under a large viewing angle of the display device and improve the display effect.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne une structure de pixel et un panneau d'affichage. La structure de pixel comprend une pluralité de pixels primaires (100) et une pluralité de pixels secondaires (200). L'un des pixels primaires (100) comprend une pluralité de sous-pixels primaires et l'un des pixels secondaires (200) comprend une pluralité de sous-pixels secondaires. Les pixels primaires (100) et les pixels secondaires (200) sont répartis pour former un réseau et la tension de données des pixels primaires (100) est différente de la tension de données des pixels secondaires (200).
PCT/CN2018/121757 2018-11-14 2019-01-09 Structure de pixel et panneau d'affichage WO2020098052A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811353493.1A CN109212857A (zh) 2018-11-14 2018-11-14 像素结构及显示面板
CN201811353493.1 2018-11-14

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WO2020098052A1 true WO2020098052A1 (fr) 2020-05-22

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Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1797142A (zh) * 2004-12-23 2006-07-05 统宝光电股份有限公司 半穿透式液晶显示器及使穿透与反射模式色度相近的方法
US8208099B2 (en) * 2005-09-12 2012-06-26 Hitachi Displays, Ltd. Transmissive type liquid crystal display comprising a main pixel region having a first color filter and a sub-pixel region having a second color filter having a higher transmittance
CN104062825A (zh) * 2014-06-30 2014-09-24 上海天马微电子有限公司 阵列基板、显示面板及显示装置
US20160055781A1 (en) * 2014-08-21 2016-02-25 Vp Assets Limited Image device with imrpoved chrominance quality
CN106531102A (zh) * 2016-12-23 2017-03-22 惠科股份有限公司 液晶显示器的驱动方法、装置及液晶显示器
CN107390442A (zh) * 2017-08-25 2017-11-24 惠科股份有限公司 显示面板及其显示装置
CN107529049A (zh) * 2017-08-28 2017-12-29 惠科股份有限公司 显示装置图像处理方法、图像处理结构及显示装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106647056A (zh) * 2016-12-02 2017-05-10 深圳市华星光电技术有限公司 一种阵列基板及液晶显示器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1797142A (zh) * 2004-12-23 2006-07-05 统宝光电股份有限公司 半穿透式液晶显示器及使穿透与反射模式色度相近的方法
US8208099B2 (en) * 2005-09-12 2012-06-26 Hitachi Displays, Ltd. Transmissive type liquid crystal display comprising a main pixel region having a first color filter and a sub-pixel region having a second color filter having a higher transmittance
CN104062825A (zh) * 2014-06-30 2014-09-24 上海天马微电子有限公司 阵列基板、显示面板及显示装置
US20160055781A1 (en) * 2014-08-21 2016-02-25 Vp Assets Limited Image device with imrpoved chrominance quality
CN106531102A (zh) * 2016-12-23 2017-03-22 惠科股份有限公司 液晶显示器的驱动方法、装置及液晶显示器
CN107390442A (zh) * 2017-08-25 2017-11-24 惠科股份有限公司 显示面板及其显示装置
CN107529049A (zh) * 2017-08-28 2017-12-29 惠科股份有限公司 显示装置图像处理方法、图像处理结构及显示装置

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