WO2020238432A1 - 显示基板、显示基板制备方法和显示面板 - Google Patents
显示基板、显示基板制备方法和显示面板 Download PDFInfo
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- WO2020238432A1 WO2020238432A1 PCT/CN2020/084076 CN2020084076W WO2020238432A1 WO 2020238432 A1 WO2020238432 A1 WO 2020238432A1 CN 2020084076 W CN2020084076 W CN 2020084076W WO 2020238432 A1 WO2020238432 A1 WO 2020238432A1
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- 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]
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- 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]
- G09G3/3266—Details of drivers for scan electrodes
Definitions
- the embodiments of the present disclosure relate to a display substrate, a method for manufacturing the display substrate, and a display panel.
- the second area includes a plurality of first block areas and a plurality of second block areas, the plurality of first block areas and the plurality of second block areas are arranged at intervals, and the scan driving circuit is arranged in all In the plurality of first block areas, the pixel driving circuits of sub-pixels in the second pixel unit are arranged in the plurality of second block areas.
- the light-emitting structure layer of the sub-pixel in the second pixel unit is formed on the upper layer of the pixel driving circuit of the sub-pixel in the second pixel unit, or the sub-pixel in the scan driving circuit and the second pixel unit
- the upper layer of the pixel driving circuit forms a light-emitting structure layer of a sub-pixel in the second pixel unit.
- the size of the sub-pixel in the second pixel unit formed in the second area is n times the size of the sub-pixel in the first pixel unit formed in the first area, and n is a positive integer greater than 1.
- each second pixel unit includes two green sub-pixels, one red sub-pixel and one blue sub-pixel, the area of the red sub-pixel is twice the area of the green sub-pixel, and the blue sub-pixel The area of the color sub-pixel is twice the area of the red sub-pixel.
- the scan driving circuit is an array substrate row driving GOA circuit.
- Figure 1 is a schematic diagram of the effective display area and the GOA circuit distribution in the related art
- FIG. 2 is a schematic diagram of the positions of the first area and the second area according to the embodiment of the disclosure
- FIG. 3 is an example of arrangement of pixel units and scan driving circuits according to an embodiment of the disclosure
- FIG. 5 is another example of arrangement of pixel units and scan driving circuits according to the embodiments of the disclosure.
- FIG. 7 is an example of increasing the pixel unit interval by adopting the Pentile arrangement in the embodiment of the disclosure.
- FIG. 8 is an example of increasing the sub-pixel interval by adopting the Pentile arrangement in the embodiment of the disclosure.
- FIG. 9 is a schematic diagram of the second area of the embodiment of the disclosure adopting different implementation modes.
- the display panel includes a display area 10 and a second area 20 located at the periphery of the display area 10.
- the second area 20 may be a frame area.
- the first area includes a plurality of first pixel units arranged in an array, and the plurality of first pixel units form a display with a first resolution;
- the second area includes a plurality of scan driving circuits and a plurality of second pixel units, and the plurality of second pixel units form a display with a second resolution;
- pixel units are provided in the second area 20 to form a display with a resolution lower than that of the first area. Since the resolution of the second area is lower than that of the first area, the second area 20 has more blank areas than the first area 10.
- the second area 20 may be provided on one or more sides of the first area.
- the second area is symmetrically arranged with respect to the first area 10, that is, the second area 20 is arranged on the left and right edges of the first area 10.
- FIG. 2 shows an example of the relationship between the first area 10 and the second area 20.
- the second area 20 is located at the left and right edges of the first area 10.
- the second area 20 can also be arranged on one side, for example, the second area 20 is arranged at a single side edge of the first area 10.
- the scan driving circuit can be arranged in the second area where there is no second pixel unit, for example, at an interval between adjacent pixel units. Since the total area of the second area is determined, that is, the sum of the area of the pixel display device and the area of the blank area is fixed.
- the design can be based on the design size of the scan drive circuit and the low resolution size of the second area to consider, and design the required arrangement of various products.
- the size of the sub-pixel in the second pixel unit is set to n times the size of the sub-pixel in the first pixel unit, and n is a positive integer greater than 1.
- each second pixel unit is set to include two green sub-pixels, one red sub-pixel and one blue sub-pixel, where the red sub-pixel is twice the size of the green sub-pixel, and the blue sub-pixel is the red sub-pixel. 2 times the pixel size.
- Another alternative is to increase the interval between two adjacent second pixel units or increase the interval between sub-pixels in each second pixel unit. For example, the interval between the light-emitting structure layers of two adjacent groups of sub-pixels in the second area is greater than the interval between the light-emitting structure layers of two adjacent groups of sub-pixels in the first area, and a group of sub-pixels forms a first area.
- Two pixel unit is greater than the interval between the light-emitting structure layers of two adjacent groups of sub-pixels in the first area, and a group of sub-pixels forms a first area.
- the arrangement of the pixel drive circuit P and the scan drive circuit GOA can be the same as described above.
- Column arrangement or block arrangement, other arrangements can also be used, for example, all scan drive circuits are arranged together, and all pixel drive circuits are arranged together.
- the arrangement of the pixel drive circuit and the scan drive circuit can be unlimited.
- each pixel unit in the second area includes several sub-pixels, each sub-pixel includes a light-emitting structure layer and a pixel drive circuit, and the light-emitting structure layer of each sub-pixel They are all arranged on the upper layer of the pixel driving circuit.
- the pixel units in the second area are arranged in columns, and spaces for accommodating the scan driving circuit are arranged between the columns.
- the part of the second area in the figure Indicates the scan driving circuit 210, which can be one or multiple, Representing the pixel unit 22, the scan driving circuit is arranged between any two columns of pixel units.
- the structure of the second pixel unit in the second area is also not changed, the pixel units in the second area are arranged at block intervals, and the scan driving circuit is split into the blanks of these intervals.
- the pixel units in the second area may be arranged in the shape of a "pin", and the scan driving circuit is arranged in the space area between the pixel units forming the shape of the "pin".
- the part of the second area is shown in Figure 4.
- Indicates the scan driving circuit 210 Represents the pixel unit 22, " ⁇ " represents the blank area 21, and the scan driving circuit is arranged in a blank position between each pixel unit.
- the arrangement of blocks can ensure higher PPI than the arrangement of columns.
- each pixel unit includes three sub-pixels, red (R), green (G), and blue (B), and the sub-pixels can be arranged in standard RGB arrangement, or Pentile arrangement, or RGB Delta arrangement, etc. .
- the display panel further includes a substrate 100, a scan driving circuit 110 located on the substrate 100, and a pixel driving circuit 120, a light emitting structure layer 200 located on the scan driving circuit 110 and the pixel driving circuit 120, located on the light emitting structure layer
- the color film layer 150 on 200, and the cathode 300 on the color film layer 150 may further include a planarization layer 50 on the scan driving circuit 110 and the pixel driving circuit 120, and a passivation layer 60 on the light emitting structure layer 200.
- a base substrate is provided, a plurality of first pixel units 12 arranged in an array are formed in a first area 10 of the base substrate, and a plurality of scan driving circuits and a plurality of scan drive circuits are formed in a second area 20 of the base substrate.
- forming a plurality of scan driving circuits and a plurality of second pixel units in the second region of the base substrate includes:
- the light-emitting structure layer of the sub-pixel in the second pixel unit is formed on the upper layer of the pixel driving circuit of the sub-pixel in the second pixel unit, or the pixel of the sub-pixel in the scan driving circuit and the second pixel unit
- the upper layer of the driving circuit forms the light-emitting structure layer of the sub-pixel in the second pixel unit.
- the size of the sub-pixel in the second pixel unit formed in the second area is n times the size of the sub-pixel in the first pixel unit formed in the first area, and n is a positive integer greater than 1.
- the interval between the light-emitting structure layers of two adjacent groups of sub-pixels formed in the second area is greater than that of the light-emitting structure layers of adjacent two groups of sub-pixels formed in the first area.
- the interval between two adjacent sub-pixels having the same color light-emitting structure layer formed in the second area is greater than that of the color light-emitting structure formed in the first area The interval between two adjacent sub-pixels of the layer.
- the second region includes a plurality of first column regions and second column regions sequentially arranged, the scan driving circuit is formed in the first column region, and the scan driving circuit is formed in the second column region.
- the area forms the pixel driving circuit of the sub-pixel in the second pixel unit.
- the second area includes a plurality of first block areas and second block areas, the first block areas and the second block areas are arranged at intervals, and the scan is formed in the first block area.
- a driving circuit forming a pixel driving circuit for sub-pixels in the second pixel unit in the second block area.
- the second pixel unit adopts an RGB arrangement, or a Pentile arrangement, or an RGB Delta arrangement.
- each second pixel unit includes two green sub-pixels, one red sub-pixel and one blue sub-pixel.
- the red sub-pixel is twice the size of the green sub-pixel, and the blue sub-pixel The sub-pixel is twice the red sub-pixel.
- the scan driving circuit is an array substrate row driving GOA circuit.
- the embodiments of the present disclosure utilize high-resolution plus low-resolution (H+L) technology on one screen to design the areas on both sides of the display panel to be a second display area that is different from the effective display area in the middle.
- the resolution of is lower than the first display area, that is, the effective display area is a high-resolution area, and the second area is a low-resolution area.
- the GOA circuit in is set in the blank area in the second area, that is, no pixel area, so as to save the wiring area of GOA, or re-arrange the pixel definition layer (PDL) of the low-resolution area on both sides to cover the upper part of GOA , Even the GOA area will have EL devices.
- the area of the non-luminous frame area on the left and right sides of the OLED can be reduced, and the effect of a narrow frame can be achieved. Since only the few lines on both sides of the display panel are used, it has little effect on the display, but it can greatly reduce the distance between the borders.
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- Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (19)
- 一种显示基板,包括:第一区域以及位于所述第一区域一侧或多侧的第二区域,其中:所述第一区域包括阵列排布的多个第一像素单元,所述多个第一像素单元形成具有第一分辨率的显示;所述第二区域包括多个扫描驱动电路和多个第二像素单元,所述多个第二像素单元形成具有第二分辨率的显示;以及所述第一分辨率大于所述第二分辨率。
- 根据权利要求1所述的显示基板,其中,所述第二像素单元中子像素的发光结构层设置于所述第二像素单元中子像素的像素驱动电路的上层;或者所述第二像素单元中子像素的发光结构层设置于所述扫描驱动电路与所述第二像素单元中子像素的所述像素驱动电路的上层。
- 根据权利要求2所述的显示基板,其中,所述第二像素单元中子像素的大小是所述第一像素单元中子像素大小的n倍,n为大于1的正整数。
- 根据权利要求2所述的显示基板,其中,所述第二区域中相邻两组子像素的发光结构层之间的间隔大于所述第一区域中相邻两组子像素的发光结构层之间的间隔,一组子像素组成一个像素单元;或者,所述第二区域中两个相邻的具有相同颜色发光结构层的子像素之间的间隔大于所述第一区域中具有所述颜色发光结构层的相邻两个子像素之间的间隔。
- 根据权利要求1-4中任一项所述的显示基板,其中,所述第二区域中包括多个依次设置的第一列区域和第二列区域,所述扫描驱动电路设置在第一列区域,所述第二像素单元中子像素的所述像素驱动电路设置在第二列区域。
- 根据权利要求1-4中任一项所述的显示基板,其中,所述第二区域包括多个第一块区域和多个第二块区域,所述多个第一块区域和所述多个第二块区域间隔设置,所述扫描驱动电路设置在所述多个第一块区域,所述第二像素单元中子像素的所述像素驱动电路设置在所述多个第二块区域。
- 根据权利要求1-4中任一项所述的显示基板,其中,所述第二像素单元采用RGB排列方式,或者采用Pentile排列方式,或者采用RGB Delta排列方式。
- 根据权利要求7所述的显示基板,其中,每个第二像素单元包括两个绿色子像素、一个红色子像素和一个蓝色子像素,所述红色子像素的面积是绿色子像素的面积的2倍,所述蓝色子像素的面积是所述红色子像素面积的2倍。
- 根据权利要求1所述的显示基板,其中,所述扫描驱动电路为阵列基板行驱动(GOA)电路。
- 一种显示基板制备方法,包括:提供衬底基板,在所述衬底基板的第一区域内形成阵列排布的多个第一像素单元;以及在所述第一区域的一侧或多侧的第二区域内形成多个扫描驱动电路和多个第二像素单元;其中,所述多个第一像素单元形成具有第一分辨率的显示,所述多个第二像素单元形成具有第二分辨率的显示,所述第一分辨率大于所述第二分辨率。
- 根据权利要求10所述的方法,其中,在所述第一区域的一侧或多侧的所述第二区域内形成所述多个扫描驱动电路和所述多个第二像素单元,包括:在所述第二区域内形成多个扫描驱动电路和第二像素单元中子像素的像素驱动电路;以及在所述第二像素单元中子像素的所述像素驱动电路的上层形成所述第二像素单元中子像素的发光结构层,或者在所述扫描驱动电路与所述第二像素单元中子像素的所述像素驱动电路的上层形成所述第二像素单元中子像素的发光结构层。
- 根据权利要求11所述的方法,其中,在所述第二区域形成的所述第二像素单元中子像素的大小是所述第一区域形成的第一像素单元中子像素大小的n倍,n为大于1的正整数。
- 根据权利要求11所述的方法,其中,在所述第二区域形成的相邻两组子像素的发光结构层之间的间隔大于在所述第一区域中形成的相邻两组子像素的发光结构层之间的间隔;或者,在所述第二区域中形成的两个相邻的具有相同颜色发光结构层的子像素之间的间隔大于在所述第一区域中形成的具有所述颜色发光结构层的相邻两个子像素之间的间隔。
- 根据权利要求11所述的方法,其中,所述第二区域包括多个依次设置的第一列区域和第二列区域,在所述第一列区域形成所述扫描驱动电路,在所述第二列区域形成所述所述第二像素单元中子像素的所述像素驱动电路。
- 根据权利要求11所述的方法,其中,所述第二区域包括多个第一块区域和第二块区域,所述多个第一块区域和所述多个第二块区域间隔设置,在所述第一块区域中形成所述扫描驱动电路,在所述第二块区域中形成所述第二像素单元中子像素的像素驱动电路。
- 根据权利要求11所述的方法,其中,所述第二像素单元采用RGB排列方式,Pentile排列方式,或者RGB Delta排列方式之一的排列方式。
- 根据权利要求11所述的方法,其中,每个所述第二像素单元包括两个绿色子像素、一个红色子像素和一个蓝色子像素,所述红色子像素的面积是所述绿色子像素面积的2倍,以及所述蓝色子像素的面积是所述红色子像素面积的2倍。
- 根据权利要求11所述的方法,其中,所述扫描驱动电路为阵列基板行驱动GOA电路。
- 一种显示面板,包括权利要求1-9中任一项所述的显示基板。
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CN103123927A (zh) * | 2013-01-24 | 2013-05-29 | 昆山维信诺显示技术有限公司 | 用于oled显示屏的像素结构及其金属掩膜板 |
CN104537993A (zh) * | 2014-12-29 | 2015-04-22 | 厦门天马微电子有限公司 | 阵列基板、液晶显示面板和有机发光显示面板 |
CN107342045A (zh) * | 2017-08-25 | 2017-11-10 | 武汉华星光电半导体显示技术有限公司 | Amoled显示面板及显示装置 |
CN109448566A (zh) * | 2018-09-27 | 2019-03-08 | 上海天马微电子有限公司 | 一种显示面板及显示装置 |
CN110164382A (zh) * | 2019-05-31 | 2019-08-23 | 京东方科技集团股份有限公司 | 一种显示基板、显示基板制备方法和显示面板 |
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