WO2021031318A1 - Panneau d'affichage transparent - Google Patents

Panneau d'affichage transparent Download PDF

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Publication number
WO2021031318A1
WO2021031318A1 PCT/CN2019/111541 CN2019111541W WO2021031318A1 WO 2021031318 A1 WO2021031318 A1 WO 2021031318A1 CN 2019111541 W CN2019111541 W CN 2019111541W WO 2021031318 A1 WO2021031318 A1 WO 2021031318A1
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WO
WIPO (PCT)
Prior art keywords
pixel
sub
region
pixel unit
display panel
Prior art date
Application number
PCT/CN2019/111541
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English (en)
Chinese (zh)
Inventor
肖翔
韩佰祥
Original Assignee
深圳市华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Publication of WO2021031318A1 publication Critical patent/WO2021031318A1/fr

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Classifications

    • 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
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • 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

Definitions

  • the present invention relates to the field of display technology, and in particular to a transparent display panel.
  • Organic Light-Emitting Diode Compared with traditional liquid crystal display (Liquid Crystal Display, LCD), Organic Light-Emitting Diode (OLED) has the advantages of self-luminescence, fast response, wide viewing angle, high brightness, bright color, light and thin. A generation of display technology.
  • a single pixel is divided into an opaque part and a light-transmitting part.
  • the area of the light-transmitting area should be larger, and the opening area of the sub-pixel should be smaller.
  • inkjet printing Ink Jet Printing
  • the solution can be accurately sprayed into the pixel area to form an organic film, but due to the small opening area of the sub-pixels, it is difficult to form an organic film with a uniform thickness in the pixel area.
  • the red, green, and blue sub-pixels have the same opening area, but the three-color sub-pixels have different material efficiencies and the difference in the lifespan of the sub-pixels, resulting in a shorter service life of the transparent OLED display panel.
  • the existing transparent display panel manufacturing process has the problems that the inkjet printing process is difficult and the display panel has a short service life. Therefore, it is necessary to provide a transparent display panel to improve this defect.
  • the present disclosure provides a transparent display panel, which is used to solve the problems of greater difficulty in the inkjet printing process and short service life of the display panel in the manufacturing process of the existing transparent display panel.
  • the embodiments of the present disclosure provide a transparent display panel including a plurality of pixel units arranged in an array, each of the pixel units includes a light emitting sub-region and an external light transmitting sub-region;
  • the light-emitting sub-region includes a plurality of sub-pixel opening portions arranged at intervals, and the sub-pixel opening portions of the same color in adjacent pixel units are connected to each other.
  • the plurality of sub-pixel openings located in the same pixel unit are configured to have different light-emitting colors, and the sub-pixel openings located in the same column of different pixel units are configured to be the same Glowing colors.
  • the sub-pixel opening portion includes a first sub-pixel opening portion, a second sub-pixel opening portion, and a third sub-pixel opening portion, and the area of the first sub-pixel opening portion is less than or equal to the The area of the second sub-pixel opening portion is smaller than the area of the third sub-pixel opening portion.
  • the first sub-pixel opening portion and the second sub-pixel opening portion are respectively configured to be any one of red and green, and the third sub-pixel opening portion is configured to be blue.
  • the pixel unit is a rectangular pixel unit, and the light-emitting sub-region and the external light-transmitting sub-region are respectively arranged in two polygonal regions divided into the rectangle by a straight line passing through the center of the rectangle.
  • the pixel unit is a rectangular pixel unit, and the light-emitting sub-region and the external light transmission sub-region are respectively disposed in two triangular regions formed by a diagonal line of the rectangle.
  • a plurality of adjacent pixel units form a pixel cluster, and the boundaries of the light-emitting subregions located in the pixel cluster overlap with each other.
  • the pixel cluster includes a first pixel unit, a second pixel unit, a third pixel unit, and a fourth pixel unit, wherein the first pixel unit and the second pixel unit are opposite to each other.
  • the intersection line of the first pixel unit and the fourth pixel unit is an axisymmetric structure relative to the intersection line of the two, and the first pixel unit and the third pixel unit are relative to the
  • the center of the pixel cluster has a centrosymmetric structure.
  • the minimum distances between adjacent sub-pixel openings located in the same pixel unit are equal.
  • the light-emitting sub-region further includes a pixel circuit portion, and the pixel circuit portion is disposed in another area of the light-emitting sub-region except the sub-pixel opening portion.
  • the present disclosure provides a transparent display panel including a plurality of pixel units arranged in an array, each of the pixel units includes a light-emitting sub-region and an external light transmission sub-region;
  • the light-emitting sub-region includes a plurality of sub-pixel openings arranged at intervals, and the sub-pixel openings of the same color in adjacent pixel units are connected to each other, and the plurality of sub-pixels located in the same pixel unit The area of the pixel opening varies.
  • the sub-pixel opening portion includes a first sub-pixel opening portion, a second sub-pixel opening portion, and a third sub-pixel opening portion, and the area of the first sub-pixel opening portion is smaller than that of the second sub-pixel opening portion.
  • the area of the sub-pixel opening portion is smaller than the area of the third sub-pixel opening portion.
  • the first sub-pixel opening portion and the second sub-pixel opening portion are respectively configured to be any one of red and green, and the third sub-pixel opening portion is configured to be blue.
  • the pixel unit is a rectangular pixel unit, and the light-emitting sub-region and the external light-transmitting sub-region are respectively arranged in two polygonal regions divided into the rectangle by a straight line passing through the center of the rectangle.
  • the pixel unit is a rectangular pixel unit, and the light-emitting sub-region and the external light transmission sub-region are respectively disposed in two triangular regions formed by a diagonal line of the rectangle.
  • a plurality of adjacent pixel units form a pixel cluster, and the boundaries of the light-emitting subregions located in the pixel cluster overlap with each other.
  • the pixel cluster includes a first pixel unit, a second pixel unit, a third pixel unit, and a fourth pixel unit, wherein the first pixel unit and the second pixel unit are opposite to each other.
  • the intersection line of the first pixel unit and the fourth pixel unit is an axisymmetric structure relative to the intersection line of the two, and the first pixel unit and the third pixel unit are relative to the
  • the center of the pixel cluster has a centrosymmetric structure.
  • the minimum distances between adjacent sub-pixel openings located in the same pixel unit are equal.
  • the light-emitting sub-region further includes a pixel circuit portion, and the pixel circuit portion is disposed in another area of the light-emitting sub-region except the sub-pixel opening portion.
  • the present disclosure provides a transparent display panel including a plurality of pixel units arranged in an array, each of the pixel units includes a light-emitting sub-region and an external light transmission sub-region;
  • the light-emitting sub-region includes a plurality of sub-pixel openings arranged at intervals, and the sub-pixel openings of the same color in adjacent pixel units are connected to each other, and the plurality of sub-pixels located in the same pixel unit
  • the openings are configured in different light-emitting colors, and the areas of the openings of the plurality of sub-pixels located in the same pixel unit are different.
  • the embodiments of the present disclosure provide a transparent display panel, by providing a light-emitting sub-region and an external light transmission sub-region in a pixel unit, the light-emitting sub-region includes a plurality of sub-pixel openings arranged at intervals, and The openings of the sub-pixels of the same color in adjacent pixel units are connected to each other, thereby increasing the area of the openings of the sub-pixels in the transparent display panel, and reducing the difficulty of configuring the light-emitting color of the openings of the sub-pixels in the inkjet printing process , While keeping the area of the external light transmission sub-region unchanged, the technical effect of the transparent display of the transparent display panel is realized.
  • FIG. 1 is a schematic structural diagram of a transparent display panel provided by the first embodiment of the disclosure
  • FIG. 2 is a schematic diagram of another structure of the transparent display panel provided by the first embodiment of the disclosure.
  • FIG. 3 is a schematic diagram of the structure of the transparent display panel provided in the second embodiment of the disclosure.
  • the embodiments of the present disclosure provide a transparent display panel, which will be described in detail below with reference to FIGS. 1 and 2.
  • FIG. 1 is a schematic structural diagram of a transparent display panel 100 provided by an embodiment of the disclosure.
  • the transparent display panel 100 includes a plurality of pixel units arranged in an array, and each of the pixel units includes a light-emitting sub-region 112. And an external light transmission sub-region 111, the light-emitting sub-region 112 is used for normal display light emission, and the external light transmission sub-region 111 is used to provide a path for external light to penetrate when the transparent display panel 100 is not performing a display function, Thus, the transparent display effect of the transparent display panel 100 is realized.
  • the light-emitting sub-region 112 includes a plurality of sub-pixel openings arranged at intervals, and the sub-pixel openings of the same color in adjacent pixel units are connected to each other, and the sub-pixel openings are used for printing through an inkjet printing process.
  • the sub-pixels are configured with different light-emitting colors. While maintaining the accuracy of the inkjet printing process, the openings of the sub-pixels are connected to each other to increase the area of the openings of the sub-pixels and the light-emitting sub-regions. Pixels, thereby reducing the difficulty of the inkjet printing process.
  • multiple sub-pixel openings located in the same pixel unit are configured to have different light-emitting colors, and the sub-pixel openings located in the same column of different pixel units are configured to have the same light-emitting color.
  • the sub-pixel opening portion in the same pixel unit includes a first sub-pixel opening portion 114, a second sub-pixel opening portion 115, and a third sub-pixel opening portion 116, wherein, The area of the first sub-pixel opening portion 114 is smaller than or equal to the area of the second sub-pixel opening portion 115, and the area of the second sub-pixel opening portion 115 is smaller than the area of the third sub-pixel opening portion 116.
  • the first sub-pixel opening portion 114 and the second sub-pixel opening portion 115 are respectively configured to be any one of red and green, and the third sub-pixel opening portion 116 is configured to be blue. Due to the poor luminous efficiency and luminous life of the blue light-emitting material, the life of the panel will be poor. By increasing the area of the blue sub-pixel opening, the content of the blue light-emitting material is increased, thereby improving the use of the transparent display panel 100 life.
  • the pixel units are all rectangular pixel units, and the light-emitting sub-region 111 and the external light transmission sub-region 112 are respectively arranged in two polygonal regions divided into the rectangle by a straight line passing through the center of the rectangle. . Because the straight line passes through the center of the rectangle, the light-emitting sub-region 111 and the external light-transmitting sub-region 112 are divided into two parts of equal area, which not only ensures that the light-emitting sub-region 111 can function as a display normally, but also achieves transparency. The transparent display effect of the display panel 100.
  • the straight line passes through the midpoints of the two sides of the rectangle and the center point of the rectangle, and divides the rectangular pixel unit into two equal rectangular regions up and down.
  • FIG. 2 2 is a schematic diagram of another structure of a display panel provided by an embodiment of the disclosure. Two trapezoidal regions are equal up and down, and the areas of the self-luminous region 111 and the external light transmission sub-region 112 are still equal and can satisfy The area of the third sub-pixel opening portion 116 is larger than the areas of the first sub-pixel opening portion 114 and the second sub-pixel opening portion.
  • a plurality of adjacent pixel units form a pixel cluster, and the boundaries of the light-emitting sub-regions located in the pixel cluster overlap with each other.
  • the pixel cluster includes a first pixel unit 110, a second pixel unit 120, a third pixel unit 130, and a fourth pixel unit 140.
  • the boundaries of the light-emitting sub-regions 112 of the four pixel units overlap each other.
  • the sub-pixel units with the same color in the light-emitting sub-region 112 are connected to each other.
  • the first pixel unit 110 and the second pixel unit 120 have an axisymmetric structure relative to the intersection line of the two, and the first pixel unit 110 and the fourth pixel unit 140 have an axisymmetric structure relative to the intersection line of the two.
  • the first pixel unit 110 and the third pixel unit 130 have a center symmetric structure with respect to the center of the pixel cluster.
  • the number of pixel units in the pixel cluster is not limited to four, and may be less than four or more than four.
  • the minimum distance between the adjacent sub-pixel opening portions located in the same pixel unit is equal, that is, the minimum distance between the first sub-pixel opening portion 114 and the second sub-pixel opening portion 115 is the same.
  • the distance is equal to the minimum distance between the second sub-pixel opening portion 115 and the third sub-pixel opening portion 116.
  • the light-emitting sub-region 112 further includes a pixel circuit portion 113, and the pixel circuit portion 113 is disposed in other regions of the light-emitting sub-region 112 except for the sub-pixel opening portion.
  • the embodiment of the present disclosure provides a transparent display panel 100.
  • a light-emitting sub-region 112 and an external light transmission sub-region 111 are provided in a pixel unit.
  • the light-emitting sub-region 112 includes a plurality of sub-pixel openings arranged at intervals and adjacent to each other.
  • the sub-pixel openings of the same color in the pixel unit are connected to each other, thereby increasing the area of the sub-pixel opening in the transparent display panel, reducing the difficulty of the inkjet printing process, while keeping the area of the external light transmission sub-region unchanged , It is convenient for the external light to pass through the external light transmission sub-region, and the technical effect of transparent display of the transparent display panel is realized.
  • FIG. 3 is a schematic structural diagram of a transparent display panel 200 provided by an embodiment of the disclosure.
  • the transparent display panel 200 includes a plurality of pixel units arranged in an array, and the pixel units all include light-emitting sub-regions 212. And an external light transmission sub-region 211, the light-emitting sub-region 212 is used for normal display light emission, and the external light transmission sub-region 211 is used to provide a path for external light to penetrate when the transparent display panel 200 is not performing a display function, Thus, the transparent display effect of the transparent display panel 200 is realized.
  • the light-emitting sub-region 212 includes a plurality of sub-pixel openings arranged at intervals, and the sub-pixel openings of the same color in adjacent pixel units are connected to each other, and the sub-pixel openings are used for printing through an inkjet printing process.
  • the sub-pixels are configured with different light-emitting colors. While maintaining the accuracy of the inkjet printing process, the sub-pixel openings are connected to each other to increase the area of the sub-pixel openings and the light-emitting sub-region 212, thereby reducing the inkjet printing process The difficulty.
  • multiple sub-pixel openings located in the same pixel unit are configured to have different light-emitting colors, and the sub-pixel openings located in the same column of different pixel units are configured to have the same light-emitting color.
  • the sub-pixel opening portion in the same pixel unit includes a first sub-pixel opening portion 214, a second sub-pixel opening portion 215, and a third sub-pixel opening portion 216, wherein, The area of the first sub-pixel opening portion 214 is smaller than or equal to the area of the second sub-pixel opening portion 215, and the area of the second sub-pixel opening portion 215 is smaller than the area of the third sub-pixel opening portion 216.
  • the first sub-pixel opening portion 214 and the second sub-pixel opening portion 215 are respectively configured to be any one of red and green, and the third sub-pixel opening portion 216 is configured to be blue. Due to the poor luminous efficiency and luminous life of the blue light-emitting material, the life of the panel will be poor. By increasing the area of the blue sub-pixel opening, the content of the blue light-emitting material is increased, thereby improving the use of the transparent display panel 200 life.
  • the pixel unit is a rectangular pixel unit, and the light-emitting sub-region 212 and the external light transmission sub-region 211 are respectively arranged in two rectangles formed by a diagonal line.
  • the area of the light-emitting sub-region 212 and the external light-transmitting sub-region 211 are the same, which not only ensures that the light-emitting sub-region 211 can perform the display function normally, but also realizes the transparent display effect of the transparent display panel 200.
  • a plurality of adjacent pixel units form a pixel cluster, and the boundaries of the light-emitting sub-regions located in the pixel cluster overlap with each other.
  • the pixel cluster includes a first pixel unit 210, a second pixel unit 220, a third pixel unit 230, and a fourth pixel unit 240.
  • the boundaries of the light-emitting sub-regions 212 of the four pixel units overlap each other.
  • a diamond or a square is formed, and the sub-pixel units of the same color in the light-emitting sub-region 212 are connected to each other.
  • the first pixel unit 210 and the second pixel unit 220 have an axisymmetric structure relative to the intersection line of the two, and the first pixel unit 210 and the fourth pixel unit 240 have an axisymmetric structure relative to the intersection line of the two.
  • the first pixel unit 210 and the third pixel unit 230 have a center symmetric structure with respect to the center of the pixel cluster.
  • the embodiment of the present disclosure provides a transparent display panel 200.
  • a light-emitting sub-region 212 and an external light-transmitting sub-region 211 are provided in a pixel unit.
  • the light-emitting sub-region 212 includes a plurality of sub-pixel openings arranged at intervals and adjacent to each other.
  • the sub-pixel openings of the same color in the pixel unit are connected to each other, thereby increasing the area of the sub-pixel opening in the transparent display panel, reducing the difficulty of the inkjet printing process, while keeping the area of the external light transmission sub-region unchanged , It is convenient for the external light to pass through the external light transmission sub-region, and the technical effect of transparent display of the transparent display panel is realized.
  • the light-emitting sub-region 212 further includes a pixel circuit portion 216, and the pixel circuit portion 216 is disposed in other regions of the light-emitting sub-region 212 except for the sub-pixel opening portion.

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  • Electroluminescent Light Sources (AREA)

Abstract

L'invention concerne un panneau d'affichage transparent (100, 200), comprenant une pluralité d'unités de pixel (110, 120, 130, 140, 210, 220, 230, 240) agencées en une matrice, chacune des unités de pixel (110, 120, 130, 140, 210, 220, 230, 240) comprenant une sous-région d'émission de lumière (112, 212) et une sous-région de transmission de lumière externe (111, 211), la sous-région d'émission de lumière (112, 212) comprend une pluralité de parties d'ouverture de sous-pixel (114, 115, 116, 214, 215, 216) disposées à intervalles, et les parties d'ouverture de sous-pixel (114, 115, 116, 214, 215, 216) de la même couleur dans des unités de pixels adjacentes (110, 120, 130, 140, 210, 220, 230, 240) sont reliées l'une à l'autre, ce qui permet d'augmenter la surface des parties d'ouverture de sous-pixel (114, 115, 116, 214, 215, 216) dans le panneau d'affichage transparent (100, 200), et réduisant la difficulté de configuration de la couleur d'émission de lumière des parties d'ouverture de sous-pixel (114, 115, 116, 214, 215, 216) pendant un procédé d'impression à jet d'encre.
PCT/CN2019/111541 2019-08-20 2019-10-16 Panneau d'affichage transparent WO2021031318A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910770062.3 2019-08-20
CN201910770062.3A CN110610962B (zh) 2019-08-20 2019-08-20 透明显示面板

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WO2021031318A1 true WO2021031318A1 (fr) 2021-02-25

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WO (1) WO2021031318A1 (fr)

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CN114170893A (zh) * 2021-07-01 2022-03-11 长沙湘计海盾科技有限公司 一种嵌入式局部显示透明显示器
CN113871441B (zh) * 2021-09-26 2023-05-02 武汉华星光电半导体显示技术有限公司 显示面板

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CN104465714A (zh) * 2014-12-30 2015-03-25 京东方科技集团股份有限公司 一种像素结构及其显示方法、显示装置
US20170104048A1 (en) * 2015-10-13 2017-04-13 Samsung Display Co., Ltd. Substrate structure
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