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公开(公告)号：US11910660B2
公开(公告)日：2024-02-20
申请号：US17267376
申请日：2020-04-29
IPC分类号： H01L33/00 , H10K59/124 , H10K50/813 , H10K50/844 , H10K71/00 , H10K59/131 , H10K59/12 , H10K77/10 , H10K102/00
CPC分类号： H10K59/124 , H10K50/813 , H10K50/844 , H10K71/00 , H10K59/1201 , H10K59/131 , H10K77/111 , H10K2102/311
摘要： Provided are an organic light-emitting display substrate and a manufacturing method thereof, and an organic light-emitting display device. A display area of the display substrate includes at least one opening. The display substrate includes a substrate, and an organic layer, a first inorganic layer, an anode layer and an organic functional layer that are sequentially arranged on one side of the substrate. The inorganic layer and the organic layer has at least one annular partition groove corresponding to each opening. A width of an orthographic projection of the notch of the annular partition groove on the substrate is smaller than that of an orthographic projection of the annular partition groove on the substrate. The functional layer includes a first organic functional material portion located outside the annular partition groove and a second organic functional material portion located inside the annular partition groove that are not connected.
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公开(公告)号：US11925074B2
公开(公告)日：2024-03-05
申请号：US17473170
申请日：2021-09-13
IPC分类号： H10K59/123 , H10K59/121 , H10K59/124 , H10K71/00 , H01L27/12 , H10K59/12
CPC分类号： H10K59/123 , H10K59/1213 , H10K59/124 , H10K71/00 , H01L27/1214 , H10K59/1201
摘要： A display panel has an active area, and the active area has a camera region. The display panel includes a base, an insulating layer, and a plurality of transparent wirings. The insulating layer is disposed on the base. The insulating layer is provided with a plurality of first grooves located in the camera region. An included angle between a groove wall of a first groove and a surface on which an opening of the first groove is located is less than 90 degrees. The plurality of transparent wirings are disposed on groove walls of the plurality of first grooves.
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公开(公告)号：US11818920B2
公开(公告)日：2023-11-14
申请号：US17332020
申请日：2021-05-27
发明人： Zeliang Li , Yanqiang Wang , Tao Gao , Guoyi Cui , Zhendong Li
IPC分类号： H01L27/32 , H01L51/56 , H10K59/123 , H10K59/65 , H10K71/00 , H10K59/121 , H10K59/124 , H10K59/35
CPC分类号： H10K59/123 , H10K59/121 , H10K59/124 , H10K59/65 , H10K71/00 , H10K59/353
摘要： A display panel includes an under screen camera display area and a normal display area surrounding the under screen camera display area, a plurality of switch assemblies are positioned at the normal display area, and a plurality of sub-pixels are positioned at the under screen camera display area. The display panel includes an insulating layer group and a plurality of connection lines; a plurality of trenches are positioned on the insulating layer group and extend from the sub-pixels to the switch assemblies; and at least part of the connection lines is positioned in the trench to reduce spacing distance between two adjacent connection lines, where the connection lines are connected between the switch assemblies and the sub-pixels.
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公开(公告)号：US11735603B2
公开(公告)日：2023-08-22
申请号：US17333098
申请日：2021-05-28
发明人： Tao Gao , Kuo Sun , Weifeng Zhou
CPC分类号： H01L27/1251 , H01L27/1229 , H01L27/1255 , H01L27/1259 , H01L29/66757 , H01L29/66969
摘要： Disclosed in embodiments of the present disclosure are a display substrate, a display panel, and a method for preparing the display substrate. The display substrate includes: a base substrate; a first source-drain layer, including first source-drain electrodes in the first area, and a first gate located in the second area; a first active layer, including a poly-silicon active layer located in the first area; a first gate layer, including a second gate and a connecting electrode located in the first area; a second active layer, including an oxide active layer located in the second area; a second gate layer, including a third gate located in the second area; and a second source-drain layer, including a second source-drain electrodes in the second area, and a lapping electrode located in the first area.
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公开(公告)号：US11563033B2
公开(公告)日：2023-01-24
申请号：US16905105
申请日：2020-06-18
发明人： Yuanzheng Guo , Tao Gao
摘要： Embodiments of the present disclosure provide a flexible array substrate, a manufacturing method thereof, and a flexible display device, which relate to the field of display technology, and can reduce the difficulty of wiring, decrease the IR drop, and improve the problem that the wiring is prone to breakage when bent. The flexible array substrate includes a substrate, the substrate including a first sub-substrate and a second sub-substrate which are stacked, the second sub-substrate including at least one via hole; a wiring layer disposed between the first sub-substrate and the second sub-substrate; and a pixel array layer disposed on a side of the second sub-substrate facing away from the first sub-substrate; the wiring layer including a wiring, wherein the pixel array layer is electrically connected to the wiring through the at least one via hole.
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公开(公告)号：US20220320227A1
公开(公告)日：2022-10-06
申请号：US17310401
申请日：2020-09-30
发明人： Tao Gao , Peng Huang , Bingqiang Gui , Ke Yang
IPC分类号： H01L27/32
摘要： A display substrate, a display panel, and a display device are provided. The display substrate includes: a base substrate; a first semiconductor layer on the base substrate; and a second semiconductor layer on a side of the first semiconductor layer away from the base substrate. The display substrate further includes a plurality of thin film transistors on the base substrate, which at least include a first transistor, a second transistor and a third transistor. Each of the plurality of thin film transistors includes an active layer. The active layer of at least one of the first transistor and the second transistor is located in the second semiconductor layer and contains an oxide semiconductor material. The active layer of the third transistor is located in the first semiconductor layer and contains a polysilicon semiconductor material. At least one of the first transistor and the second transistor has a dual-gate structure.
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公开(公告)号：US20210257392A1
公开(公告)日：2021-08-19
申请号：US17026503
申请日：2020-09-21
发明人： Peng Huang , Tao Gao , Bingqiang Gui , Yucheng Chan
IPC分类号： H01L27/12 , H01L23/60 , H01L29/786
摘要： A drive backplane and a display panel are provided, the drive backplane includes: a substrate; and an oxide thin film transistor arranged on the substrate, wherein the oxide thin film transistor includes: an oxide active layer; a first gate structure disposed on a side of the oxide active layer away from the substrate; and a second gate structure disposed between the oxide active layer and the substrate; wherein at least one of the first gate structure and the second gate structure comprises a plurality of gate electrodes spaced apart along a direction in which the oxide active layer extends.
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公开(公告)号：US20210098503A1
公开(公告)日：2021-04-01
申请号：US17007477
申请日：2020-08-31
发明人： Xiaoqi Ding , Peng Huang , Guoyi Cui , Tao Gao , Li Jia , Zeliang Li , Ke Liu
IPC分类号： H01L27/12
摘要： A method for preparing an array substrate includes: forming first and second active layers, and first and second gate layers above a base substrate; forming first and second via holes for exposing the first active layer and etching the first active layer; forming a first source-drain electrode layer including a first source electrode layer contacting the first active layer through the first via hole and a first drain electrode layer contacting the first active layer through the second via hole; forming third and fourth via holes for exposing the second active layer; forming a second source-drain electrode layer including a second source electrode layer contacting the second active layer through the third via hole and a second drain electrode layer contacting the second active layer through the fourth via hole. The second source/drain electrode layer is electrically connected with the first source-drain electrode layer.
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公开(公告)号：US12096655B2
公开(公告)日：2024-09-17
申请号：US17310405
申请日：2020-09-30
发明人： Bingqiang Gui , Yang Yu , Peng Huang , Tao Gao , Wenqiang Li , Ke Liu
IPC分类号： H10K59/121 , H10K50/86 , H10K59/12
CPC分类号： H10K59/1213 , H10K50/865 , H10K59/1216 , H10K59/1201
摘要： A display substrate, a display panel, and a display device are provided. The display substrate includes: a base substrate; and a first transistor on the base substrate. The first transistor includes a first active layer, a first bottom gate electrode between the base substrate and the first active layer, and a first top gate electrode on a side of the first active layer away from the base substrate. A third gate insulating layer is provided between the first bottom gate electrode and the first active layer. The first active layer contains an oxide semiconductor material, and the third gate insulating layer contains a silicon oxide material. A surface of the first bottom gate electrode away from the base substrate is in direct contact with the silicon oxide material, and a surface of the first active layer close to the base substrate is in direct contact with the silicon oxide material.
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公开(公告)号：US12087215B2
公开(公告)日：2024-09-10
申请号：US17783657
申请日：2021-06-23
发明人： Peng Huang , Zhu Wang , Tao Gao , Ling Shi
IPC分类号： G09G3/3208 , H10K59/131
CPC分类号： G09G3/3208 , H10K59/131 , G09G2300/0408 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0233 , G09G2330/021
摘要： A display substrate includes a plurality of sub-pixels, wherein at least one sub-pixel includes a driving circuit layer and a light emitting structure layer disposed on the driving circuit layer; the driving circuit layer includes a pixel driving circuit, and the light emitting structure layer includes a light emitting device connected with the pixel driving circuit; the pixel driving circuit includes a reset sub-circuit, a writing sub-circuit, a driving sub-circuit, a compensation sub-circuit, an energy storage sub-circuit and a light emitting control sub-circuit; and at least one of the reset sub-circuit, the compensation sub-circuit, and the writing sub-circuit includes an oxide transistor and a one-way conductive device.
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