WO2021104049A1 - 有机发光二极管显示基板、显示面板和装置 - Google Patents
有机发光二极管显示基板、显示面板和装置 Download PDFInfo
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- WO2021104049A1 WO2021104049A1 PCT/CN2020/128744 CN2020128744W WO2021104049A1 WO 2021104049 A1 WO2021104049 A1 WO 2021104049A1 CN 2020128744 W CN2020128744 W CN 2020128744W WO 2021104049 A1 WO2021104049 A1 WO 2021104049A1
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- signal lines
- pair
- vent hole
- display substrate
- vent
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Images
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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- 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
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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]
-
- 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0281—Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
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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
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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- G—PHYSICS
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- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Definitions
- both of the two first signal lines of the pair of first signal lines overlap with the projections of the same row of vent holes in the vent hole projection pattern.
- the number of the vent holes in the two rows of the vent holes overlapping the same pair of first signal lines is the same, and the area of each vent hole is the same.
- the source-drain layer includes a plurality of pairs of first signal lines, and the relationship between any two pairs of first signal lines and the overlap area of the vent hole projection pattern is one of equal and unequal.
- At least one embodiment of the present disclosure provides a display panel.
- the display panel includes the display substrate as described above.
- At least one embodiment of the present disclosure provides a display device, which includes: the display panel as described above.
- FIG. 2 is a schematic diagram of an area of an OLED display substrate provided by an embodiment of the present disclosure
- FIG. 4 is a timing diagram of a clock signal in a related technology provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of an organic light emitting diode display substrate provided by an embodiment of the present disclosure
- FIG. 1 is a hierarchical diagram of an OLED display substrate provided by an embodiment of the present disclosure.
- the OLED display substrate includes a substrate 100, a first gate (English: Gate) layer 104, a gate insulating layer (English: Gate Insulator, GI) 105, and a second gate stacked on the substrate 100.
- Layer 106 interlayer insulating layer 107, source drain (English: Source Drain, abbreviation: SD) layer 101, planarization layer (English: Planarization, abbreviation: PLN) 102, anode layer 103, pixel defining layer (English: Pixel Definition Layer (abbreviation: PDL) 108, organic light-emitting layer 109 and cathode layer 1010.
- the pixel defining layer 108 may be a layer of liquid repellent material, such as a layer of fluorine-containing polyimide or fluorine-containing polymethyl methacrylate.
- the organic light emitting layer 109 may include a hole transport layer, a light emitting layer, an electron transport layer, etc., which are stacked.
- FIG. 3 is a schematic diagram of a film layer in a related technology provided by an embodiment of the present disclosure.
- the signal line 1000 includes a first signal line 110 and a second signal line 120, where the first signal line 110 refers to a signal line that overlaps with the projection of the exhaust hole 131, and the second signal line 120 is a summation line.
- the projection of the air hole 131 is staggered (not overlapped) by the signal line.
- the overlap area of the common power line and the two first signal lines of the pair of first signal lines, the common power line and the two first signal lines of the pair of first signal lines is equal, so that the parasitic capacitance between the common power line and the two first signal lines of the pair of first signal lines is the same, so that the signals transmitted by the pair of first signal lines match, that is, the pair of first signal lines
- the rising edge duration and the falling edge duration of the signals transmitted by the two first signal lines in one signal line are both equal, which ensures the uniformity of the displayed image.
- the difference between the parasitic capacitance between the CK1 and VSS lines and the parasitic capacitance between the CB1 and VSS lines is only about 1fF, which is much smaller than the difference in the parasitic capacitance in the related technology (in the related technology, the parasitic capacitance between the CK1 and VSS lines is The parasitic capacitance difference between the CB1 and VSS lines is at least 10fF).
- FIG. 6 is a timing diagram of a clock signal provided by an embodiment of the present disclosure.
- the rising edge x1 (or falling edge) of CK1 and the rising edge x1 (or falling edge) of CB1 are longer The same (see Figure 6 that the rising edge of CK1 and the rising edge of CB1 have different slopes, and the falling edge of CK1 and the falling edge of CB1 are also the same), because the rising edge (or falling edge) duration of the two signals is the same, so that the two The high and low time lengths of the channel signals are also consistent, which in turn makes the output match and ensures the display uniformity of the display panel. Even in high-frequency display products, this rise time and fall time will not affect the display uniformity, ensuring the display effect.
- the overlapping areas of the projections of the two first signal lines 110 and the same vent hole 131 are equal.
- the overlapping areas of the projections of the two first signal lines 110 and the same vent hole 131 may be unequal, and only the sum of the overlapping areas of the projections of one first signal line and multiple vent holes 131 is required.
- the sum of the overlapping area of the projection of the other first signal line and the plurality of vent holes 131 should be equal; for example, the leftmost pair of first signal line and the vent hole projection pattern overlap in FIG.
- the two first signal lines 110 of the pair of first signal lines 110 overlap with the projections of the same row of vent holes 131 in the projection pattern of the vent holes 131, and only each vent hole is required.
- the projection of 131 and the overlap area of the two first signal lines 110 are equal, which can ensure that the overlap area of the two first signal lines 110 of the pair of first signal lines 110 and the projection pattern of the vent hole is equal. Since there is a certain distance between the two first signal lines, if one vent hole 131 overlaps with two first signal lines at the same time, in this case, a larger vent hole 131 can be designed to facilitate the patterning of the common power line.
- each vent hole 131 in a row of vent holes 131 in FIG. 5 are the same.
- the shape of each vent hole 131 in a row of vent holes 131 may not be completely the same, for example, part of the vent hole 131 is circular, and the shape of part of the vent hole 131 is square; or, each vent hole in a row of vent holes 131
- the area of 131 may not be completely the same, for example, the area of part of the vent holes 131 is the same, and the area of the other vent holes 131 are different.
- the two first signal lines 110 of the pair of first signal lines 110 in the at least one pair of first signal lines 110 respectively overlap with the projections of a row of vent holes 131 in the vent hole projection pattern.
- the number of vent holes 131 of the two rows of vent holes 131 is the same, and the area of each vent hole 131 is the same.
- FIG. 7 is a schematic structural diagram of another organic light emitting diode display substrate provided by an embodiment of the present disclosure.
- the shape of the vent hole 131 may be a square; in other implementation manners, the vent hole 131 may also be a circle.
- the use of square or round vent holes 131 is convenient for design and production. In other implementations, the vent 131 may also be other regular or irregular patterns.
- vent holes 131 can be distributed at intervals, as shown in FIG. 5, when the spacing m of the vent holes 131 in the row direction is greater than the total width n of the pair of second signal lines, a pair of second signal lines 120 and vent holes will appear. There is no overlap between the projection patterns.
- neither of the second signal lines CK2 and CB2 overlaps the projection of the vent hole 131, that is, the projection of the vent hole 131 on the source and drain layer is outside of CK2 and CB2.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (15)
- 一种有机发光二极管显示基板,所述显示基板包括:依次层叠的源漏极层(101)、平坦化层(102)和阳极层(103);所述源漏极层(101)包括至少一对第一信号线(110);所述阳极层(103)包括公共电源线(130),所述公共电源线(130)上具有放气孔(131);任一对所述第一信号线(110)中的两根第一信号线(110)与放气孔投影图案的重叠面积相等,所述重叠面积大于0,所述放气孔投影图案为所述公共电源线(130)上的放气孔(131)在所述源漏极层上(101)的正投影的图案。
- 根据权利要求1所述的显示基板,其中,所述公共电源线(130)上的放气孔(131)排成多列;任一对所述第一信号线(110)中的两根第一信号线(110)与所述放气孔投影图案中的至少一列所述放气孔(131)的投影重叠。
- 根据权利要求2所述的显示基板,其中,一对所述第一信号线(110)中的两根第一信号线(110)均与所述放气孔投影图案中的同一列放气孔(131)的投影重叠。
- 根据权利要求3所述的显示基板,其中,所述两根第一信号线(110)与同一个放气孔(131)的投影的重叠面积相等。
- 根据权利要求4所述的显示基板,其中,所述一列放气孔(131)中的每个放气孔(131)的形状均为中心对称图形,所述放气孔(131)的投影的中心位于所述两根第一信号线(110)的正中间。
- 根据权利要求3至5任一项所述的显示基板,其中,所述放气孔(131)在所述第一信号线(110)的宽度方向上的最大尺寸,大于任一根所述第一信号线(110)的宽度。
- 根据权利要求2所述的显示基板,其中,一对所述第一信号线(110)中的两根第一信号线(110)分别与所述放气孔投影图案中的一列放气孔(131)的投影重叠。
- 根据权利要求7所述的显示基板,其中,投影与同一对第一信号线(110)重叠的两列所述放气孔(131)的放气孔(131)数量相同,各个放气孔(131)的面积相同。
- 根据权利要求1至8任一项所述的显示基板,其中,所述源漏极层(101) 还包括:至少一对第二信号线(120);任一对所述第二信号线(120)中的两根第二信号线(120)与所述放气孔投影图案错开。
- 根据权利要求1至9任一项所述的显示基板,其中,所述放气孔(131)的形状为方形和圆形中的一种。
- 根据权利要求1至10任一项所述的显示基板,其中,所述源漏极层(101)包括多对第一信号线(110),任意两对第一信号线(110)与所述放气孔投影图案的重叠面积的关系为相等和不等中的一种。
- 根据权利要求1至11任一项所述的显示基板,其中,所述至少一对第一信号线(110)中的一对第一信号线包括高电平时钟信号线和低电平时钟信号线。
- 根据权利要求1至12任一项所述的显示基板,其中,所述至少一对第一信号线(110)中的一对第一信号线包括栅极高电平线和栅极低电平线。
- 一种显示面板,所述显示面板包括:如权利要求1至13任一项所述的显示基板。
- 一种显示装置,所述显示装置包括:如权利要求14所述的显示面板。
Priority Applications (2)
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US17/427,076 US11963407B2 (en) | 2019-11-28 | 2020-11-13 | Organic light-emitting diode display substrate including an anode layer comprises a common power line provided with vent holes, display panel and display device |
US17/953,941 US20230021618A1 (en) | 2019-11-28 | 2022-09-27 | Organic light-emitting diode display substrate, display panel and display device |
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CN201911189833.6A CN110890407B (zh) | 2019-11-28 | 2019-11-28 | 有机发光二极管显示基板、显示面板和装置 |
CN201911189833.6 | 2019-11-28 |
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US17/427,076 A-371-Of-International US11963407B2 (en) | 2019-11-28 | 2020-11-13 | Organic light-emitting diode display substrate including an anode layer comprises a common power line provided with vent holes, display panel and display device |
US17/953,941 Continuation US20230021618A1 (en) | 2019-11-28 | 2022-09-27 | Organic light-emitting diode display substrate, display panel and display device |
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WO2021104049A9 WO2021104049A9 (zh) | 2021-07-15 |
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2019
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- 2019-11-28 CN CN201911189833.6A patent/CN110890407B/zh active Active
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2020
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- 2020-11-13 US US17/427,076 patent/US11963407B2/en active Active
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- 2022-09-27 US US17/953,941 patent/US20230021618A1/en active Pending
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CN114725172A (zh) | 2022-07-08 |
US11963407B2 (en) | 2024-04-16 |
WO2021104049A9 (zh) | 2021-07-15 |
CN110890407B (zh) | 2022-07-22 |
CN110890407A (zh) | 2020-03-17 |
US20230021618A1 (en) | 2023-01-26 |
US20220149138A1 (en) | 2022-05-12 |
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