WO2021238512A1 - 显示基板及显示装置 - Google Patents
显示基板及显示装置 Download PDFInfo
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- WO2021238512A1 WO2021238512A1 PCT/CN2021/088830 CN2021088830W WO2021238512A1 WO 2021238512 A1 WO2021238512 A1 WO 2021238512A1 CN 2021088830 W CN2021088830 W CN 2021088830W WO 2021238512 A1 WO2021238512 A1 WO 2021238512A1
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- pixels
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- pixel
- common voltage
- display substrate
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- 239000000758 substrate Substances 0.000 title claims abstract description 59
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
Definitions
- the present disclosure relates to the field of display technology, in particular to a display substrate and a display device.
- OLED display devices are one of the hot spots in the field of flat panel display research today. Compared with liquid crystal displays, OLED display devices have low energy consumption, low production costs, self-luminescence, wide viewing angles and response speed. Fast and other advantages. At present, in the field of flat panel displays such as mobile phones, PDAs, and digital cameras, OLED display devices have begun to replace traditional liquid crystal displays (LCD).
- LCD liquid crystal displays
- a plurality of signal lines extending in a first direction and arranged in a second direction, the plurality of signal lines including a plurality of data lines and a plurality of common signal lines, and the first direction is substantially perpendicular to the second direction;
- each of the pixels includes at least three sub-pixels of different colors, and each of the sub-pixels in the pixels is respectively connected to one of the data lines, for For any two adjacent pixels, the signal lines on both sides of the sub-pixels of the same color in the two pixels are arranged symmetrically; each adjacent N pixels arranged along the second direction are taken as A pixel repeating unit, where N of the pixels in the pixel repeating unit share one common signal line; N is an integer greater than 1.
- N 2
- the plurality of common signal lines include a plurality of first common voltage lines
- any one of the pixel repeating units two pixels share one first common voltage line, and the common first common voltage line is located between the two pixels;
- any one of the pixel repeating units the arrangement of the sub-pixels in the two pixels is symmetrically arranged with respect to the shared first common voltage line;
- the data lines connected to the sub-pixels of the same color are arranged symmetrically.
- all the sub-pixels in the pixel are arranged in a row along the second direction.
- the data line connected to the sub-pixel is arranged adjacent to the sub-pixel.
- the data line connected to the sub-pixel is located at the sub-pixel away from the first common voltage line.
- One side of the voltage line is located at the sub-pixel away from the first common voltage line.
- the plurality of common signal lines further include a plurality of second common voltage lines
- Each pixel repeating unit is provided with one second common voltage line on both sides, and only one second common voltage line is provided between two adjacent pixel repeating units along the second direction.
- the pixels located on both sides of the second common voltage line and both adjacent to the second common voltage line share the second common voltage line.
- the data line connected to the sub-pixel is located at the sub-pixel away from the second common voltage line.
- One side of the voltage line is located at the sub-pixel away from the second common voltage line.
- the opening shapes of the sub-pixels of the same color are symmetrically arranged with respect to the shared first common voltage line.
- the display substrate provided by the embodiment of the present disclosure further includes a pixel driving circuit connected to each of the pixels in a one-to-one correspondence;
- the pixel driving circuits connected to the sub-pixels of the same color are arranged symmetrically with respect to the shared first common voltage line.
- the line width of the common signal line is greater than the line width of the data line.
- the display substrate provided by the embodiment of the present disclosure, it further includes: a plurality of scan lines extending along the second direction and arranged along the first direction, and at least one scan line is provided on both sides of each pixel.
- embodiments of the present disclosure also provide a display device, including any of the above-mentioned display substrates provided by the embodiments of the present disclosure.
- FIG. 1 is a schematic diagram of a structure of a display substrate provided by an embodiment of the disclosure
- FIG. 2 is a schematic diagram of another structure of a display substrate provided by an embodiment of the disclosure.
- FIG. 3 is a schematic diagram of another structure of the display substrate provided by the embodiments of the disclosure.
- FIG. 4 is a schematic diagram of the structure of two sub-pixels with the same color in a display substrate provided by an embodiment of the disclosure
- FIG. 5 is a schematic structural diagram of a pixel driving circuit in a display substrate provided by an embodiment of the disclosure.
- FIG. 6 is a schematic structural diagram of a pixel driving circuit correspondingly connected to two sub-pixels of the same color in a display substrate provided by an embodiment of the disclosure.
- a display substrate provided by an embodiment of the present disclosure generally refers to an OLED display substrate, as shown in FIGS. 1 and 2, including a plurality of pixels P1 or P2 arranged in a matrix, extending along the first direction Y and along the second direction Multiple signal lines arranged in X; among them:
- the multiple signal lines include multiple data lines D_A, D_B, and D_C and multiple common signal lines (V11 in FIG. 1 and FIG. 2);
- Each pixel P1 or P2 includes at least three sub-pixels of different colors (in FIG. 1 and FIG. 2, the three sub-pixels A, B, and C in the pixel P1 or P2 are taken as an example for illustration), and the pixel in the pixel P1 or P2
- Each sub-pixel A, B, and C is respectively connected to a data line D_A, D_B, and D_C;
- N pixels in the pixel repeating unit 10 share a common signal line V11; N is an integer greater than 1;
- the signal lines on both sides of the sub-pixels of the same color in the two pixels P1 and P2 are arranged symmetrically.
- the signal lines on both sides of sub-pixel A in pixel P1 are symmetrically arranged with the signal lines on both sides of sub-pixel A in pixel P2, and the signal lines on both sides of sub-pixel B in pixel P1 and pixel P2 on both sides of sub-pixel B
- the signal lines are arranged symmetrically, and the signal lines on both sides of the sub-pixel C in the pixel P1 and the signal lines on both sides of the sub-pixel C in the pixel P2 are arranged symmetrically.
- each pixel includes at least three sub-pixels of different colors, and each of the sub-pixels in the pixels is respectively connected to one of the data lines;
- the adjacent N pixels are a pixel repeating unit. Since N pixels in the pixel repeating unit share a common signal line; N is an integer greater than 1; therefore, the number of common signal lines in the entire display panel can be reduced, thereby facilitating the realization of high PPI display panel.
- the signal lines on both sides of the sub-pixels of the same color in the two pixels are arranged symmetrically.
- the light output of the sub-pixel is mainly determined by the aperture area of the sub-pixel. Therefore, the aperture areas of the sub-pixels of the same color in the related display substrates are the same.
- the consistency of the signal lines around the sub-pixels that is, the consistency of the layout
- the peripheral signal lines of the sub-pixels of the same color are inconsistent in distribution, it can affect the light-emitting angle of the light-emitting layer, and the inconsistent signal line distribution will lead to inconsistent impedances on the signal lines, thereby affecting the light-emitting current.
- the signal lines on both sides of the sub-pixels of the same color in the two pixels are arranged symmetrically, so that the sub-pixels of the same color are affected by the surrounding signal lines to the same degree, so as to ensure the sub-pixels of the same color. Uniformity of luminescence.
- the plurality of common signal lines V1 include a plurality of first common voltage lines V11;
- any pixel repeating unit 10 two pixels P1 and P2 share a first common voltage line V11, and the common first common voltage line V11 is located between the two pixels P1 and P2;
- any pixel repeating unit 10 the sub-pixels A, B, and C in the two pixels P1 and P2 are arranged symmetrically with respect to the shared first common voltage line V11;
- the data lines D_A, D_B, and D_C connected to the sub-pixels A, B, or C of the same color are arranged symmetrically.
- the data line D_A corresponding to the sub-pixel A in the pixel P1 and the data line D_A corresponding to the sub-pixel A in the pixel P2 are arranged symmetrically, corresponding to the sub-pixel B in the pixel P1
- the connected data line D_B and the data line D_B corresponding to the sub-pixel B in the pixel P2 are arranged symmetrically, and the data line D_C corresponding to the sub-pixel C in the pixel P1 is connected to the sub-pixel C in the pixel P2.
- the data line D_C is arranged symmetrically. In this way, the signal lines on both sides of the sub-pixels of the same color are arranged symmetrically.
- the arrangement order of the sub-pixels in the pixel is not limited.
- all the sub-pixels A, B, and C in the pixel P1 or P2 are along the second direction X is arranged in an arrangement, or all sub-pixels in the pixel are arranged in an arrangement along the first direction, which is not limited here.
- the data lines D_A, D_B, and D_C connected to the sub-pixels A, B, and C are in phase with the sub-pixels A, B, and C. Neighborhood settings. That is, the data line D_A connected to the sub-pixel A is adjacent to the sub-pixel A, the data line D_B connected to the sub-pixel B is adjacent to the sub-pixel B, and the data line D_C connected to the sub-pixel C is adjacent to the sub-pixel.
- C is arranged adjacently, so that the distance between the sub-pixel and the data line connected to it is as close as possible to facilitate the connection between the data line and the sub-pixel.
- the voltage drop on the common signal line may affect the light-emitting brightness of the sub-pixels. Therefore, in order to reduce the voltage drop of the common signal line on the display panel, the line width of the common signal line is greater than the line width of the data line.
- the data line D_C connected to the sub-pixel C is located in this The sub-pixel C is away from a side of the first common voltage line V11. Avoid arranging the data line D_C and the first common voltage line V11 together, so that the gap between adjacent sub-pixels belonging to different pixels is larger, and the gap between adjacent sub-pixels in the same pixel is smaller.
- the plurality of common signal lines further include a plurality of second common voltage lines V12;
- a second common voltage line V12 is respectively provided on both sides of each pixel repeating unit 10, and only one second common voltage line V12 is provided between two adjacent pixel repeating units 10 along the second direction X;
- adjacent pixels share the second common voltage line to further increase the PPI of the display panel.
- the second common voltage line and the first common voltage line are alternately arranged between adjacent pixels to ensure The layout of the signal lines on both sides of the sub-pixels of the same color is consistent.
- the data line D_A connected to the sub-pixel A is located at the sub-pixel away from the second common voltage line V12.
- One side Avoid arranging the data line D_A and the second common voltage line V12 together, so that the gap between adjacent sub-pixels belonging to different pixels is larger, and the gap between adjacent sub-pixels in the same pixel is smaller.
- the common signal line refers to a signal line whose signal input to each sub-pixel is the same.
- power supply voltage line, reference signal line for example, power supply voltage line, reference signal line.
- the first common voltage line and the second common voltage line may be the power supply voltage line and the reference signal line, respectively, which is not limited herein.
- the opening shapes of the sub-pixels of the same color are the same.
- the opening shapes of the same color sub-pixels are arranged symmetrically. This further improves the consistency of the distribution of the sub-pixels of the same color and the surrounding signal lines.
- the aperture area and the aperture shape of the sub-pixels of different colors in the same pixel may be the same or different, which is not limited herein.
- the display substrate further includes a pixel drive circuit connected to each pixel in a one-to-one correspondence; each pixel drive circuit generally includes a plurality of transistors and at least one capacitor.
- each pixel drive circuit generally includes a plurality of transistors and at least one capacitor.
- the specific structure of the pixel drive circuit in the present disclosure Not limited.
- the pixel driving circuit shown in FIG. 5 includes transistors T1 to T3 and a capacitor C1, but it is not limited to this.
- the structure of each pixel driving circuit is the same, that is, the size and film structure of the transistors with the same function in different pixel driving circuits are the same, and the capacitance of the capacitor with the same function is the same.
- the value and the film structure are also the same.
- the pixel driving circuits connected to the sub-pixels of the same color are arranged symmetrically with respect to the shared first common voltage line. That is, the devices with the same function in the pixel drive circuit are also arranged symmetrically.
- the pixel drive circuit connected to the sub-pixel A of the same color corresponds to the shared second pixel drive circuit.
- a common voltage line V11 is arranged symmetrically. This further ensures that the layout of the sub-images of the same color is consistent, thereby further ensuring the uniformity of light emission of the sub-pixels of the same color.
- the number of sub-pixels in a pixel is not limited.
- the number of sub-pixels in a pixel is 3, 4, or 5, which is not limited here.
- the number of sub-pixels in a pixel is generally 3 or 4.
- the three sub-pixels may be red sub-pixels, blue sub-pixels, and green sub-pixels, respectively.
- the four sub-pixels may be red sub-pixels, blue sub-pixels, green sub-pixels, and white sub-pixels, respectively.
- the display substrate provided by the embodiment of the present disclosure, as shown in FIG. 1 to FIG. 3, it further includes: a plurality of scan lines G extending along the second direction X and arranged along the first direction Y, and each pixel At least one scan line G is provided on both sides; the number of scan lines G on both sides of each pixel is the same.
- the influence of the scan line G on the sub-pixels of the same color is consistent.
- embodiments of the present disclosure also provide a display device, including any of the above-mentioned display substrates provided by the embodiments of the present disclosure.
- the display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and the like.
- a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and the like.
- each pixel includes at least three sub-pixels of different colors, and each of the sub-pixels in the pixels is respectively connected to one of the data lines;
- Each adjacent N pixels arranged in the direction is a pixel repeating unit. Since N pixels in the pixel repeating unit share a common signal line; N is an integer greater than 1; therefore, the number of common signal lines in the entire display panel can be reduced, This is beneficial to the realization of a high PPI display panel.
- the signal lines on both sides of the sub-pixels of the same color in the two pixels are arranged symmetrically.
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Abstract
Description
Claims (12)
- 一种显示基板,其中,包括:沿第一方向延伸且沿第二方向排列的多条信号线,所述多条信号线包括多条数据线和多条公共信号线,所述第一方向与所述第二方向大致垂直;矩阵排列的多个像素,每一所述像素包括至少三个不同颜色的子像素,且所述像素中的每一所述子像素分别对应连接一条所述数据线,对于沿所述第二方向相邻设置的任意两个所述像素,两个所述像素中相同颜色的子像素的两侧的信号线呈对称设置;以沿所述第二方向排列的每相邻N个所述像素为一像素重复单元,所述像素重复单元中的N个所述像素共用一条所述公共信号线;N为大于1的整数。
- 如权利要求1所述的显示基板,其中,N=2,所述多条公共信号线包括多条第一公共电压线;任一所述像素重复单元中,两个所述像素共用一条所述第一公共电压线,且共用的所述第一公共电压线位于所述两个像素之间;任一所述像素重复单元中,两个所述像素中的子像素的排列关于共用的所述第一公共电压线呈对称设置;在沿所述第二方向相邻的任意两个所述像素中,与相同颜色的子像素连接的所述数据线呈对称设置。
- 如权利要求2所述的显示基板,其中,所述像素中的所有子像素沿所述第二方向排列设置。
- 如权利要求3所述的显示基板,其中,与所述子像素连接的所述数据线与所述子像素相邻设置。
- 如权利要求4所述的显示基板,其中,对于与所述第一公共电压线相邻的子像素,与所述子像素连接的数据线位于所述子像素远离所述第一公共电压线的一侧。
- 如权利要求5所述的显示基板,其中,所述多条公共信号线还包括多 条第二公共电压线;每一所述像素重复单元的两侧分别设置有一条所述第二公共电压线,且沿所述第二方向相邻的两个所述像素重复单元之间仅设置有一条所述第二公共电压线;位于所述第二公共电压线两侧且均与所述第二公共电压线相邻的所述像素共用所述第二公共电压线。
- 如权利要求6所述的显示基板,其中,对于与所述第二公共电压线相邻的子像素,与所述子像素连接的数据线位于所述子像素远离所述第二公共电压线的一侧。
- 如权利要求2所述的显示基板,其中,在任一所述像素重复单元中,相同颜色的子像素的开口形状关于共用的所述第一公共电压线呈对称设置。
- 如权利要求2所述的显示基板,其中,还包括与每一所述像素一一对应连接的像素驱动电路;在任一所述像素重复单元中,相同颜色的子像素对应连接的所述像素驱动电路关于共用的所述第一公共电压线呈对称设置。
- 如权利要求1-9任一项所述的显示基板,其中,所述公共信号线的线宽大于所述数据线的线宽。
- 如权利要求1-9任一项所述的显示基板,其中,还包括:多条沿所述第二方向延伸且沿第一方向排列的扫描线,每一所述像素的两侧分别设置有至少一条所述扫描线;位于每一导电像素两侧的所述扫描线的数量相同。
- 一种显示装置,其中,包括如权利要求1-11任一项所述的显示基板。
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JP2011048962A (ja) * | 2009-08-26 | 2011-03-10 | Canon Inc | 有機el表示装置 |
CN102623462A (zh) * | 2011-12-16 | 2012-08-01 | 友达光电股份有限公司 | 显示面板 |
CN104181735A (zh) * | 2014-07-24 | 2014-12-03 | 上海中航光电子有限公司 | 阵列基板、显示面板和显示装置 |
CN104347663A (zh) * | 2013-08-05 | 2015-02-11 | 业鑫科技顾问股份有限公司 | 有机发光二极管显示面板 |
CN110731014A (zh) * | 2019-09-10 | 2020-01-24 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
CN110730987A (zh) * | 2019-09-10 | 2020-01-24 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
-
2020
- 2020-05-26 CN CN202010452797.4A patent/CN113725257A/zh active Pending
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- 2021-04-22 WO PCT/CN2021/088830 patent/WO2021238512A1/zh active Application Filing
Patent Citations (6)
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JP2011048962A (ja) * | 2009-08-26 | 2011-03-10 | Canon Inc | 有機el表示装置 |
CN102623462A (zh) * | 2011-12-16 | 2012-08-01 | 友达光电股份有限公司 | 显示面板 |
CN104347663A (zh) * | 2013-08-05 | 2015-02-11 | 业鑫科技顾问股份有限公司 | 有机发光二极管显示面板 |
CN104181735A (zh) * | 2014-07-24 | 2014-12-03 | 上海中航光电子有限公司 | 阵列基板、显示面板和显示装置 |
CN110731014A (zh) * | 2019-09-10 | 2020-01-24 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
CN110730987A (zh) * | 2019-09-10 | 2020-01-24 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
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