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公开(公告)号：US11270654B2
公开(公告)日：2022-03-08
申请号：US16643719
申请日：2019-01-14
Inventor： Zhichong Wang
IPC: G09G3/3291 , G09G3/3258 , G09G3/3266
Abstract: A pixel circuit, a display panel, and a method for driving a pixel circuit are disclosed. The pixel circuit includes a driving circuit, a data writing circuit, and a first light-emitting control circuit. The driving circuit is configured to control a driving current for driving a light-emitting component to emit light, the data writing circuit is configured to write a data signal into the driving circuit in response to a scanning signal, the first light-emitting control circuit is configured to apply a first voltage of a first voltage terminal to the driving circuit in response to a first light-emitting control signal, and the first light-emitting control signal and the scanning signal are provided by a same gate driving circuit.
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公开(公告)号：US11270646B2
公开(公告)日：2022-03-08
申请号：US17178841
申请日：2021-02-18
Inventor： Yi Zhang , Kai Zhang , Minghua Xuan , Young Yik Ko , Lujiang Huangfu
IPC: G09G3/3258 , G09G3/3208 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H01L27/32
Abstract: A pixel circuit, a display panel, a display device, and a driving method. The pixel circuit includes a light emitting element, a driving transistor, a light emitting control circuit, a reset circuit, a threshold compensation circuit, a first data write circuit, and an initializing circuit. The reset circuit includes a first transistor, the first data write circuit includes a third transistor, and a channel length-width ratio of the first transistor is greater than a channel length-width ratio of the third transistor.
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53.发明授权公开(公告)号：US11231629B2
公开(公告)日：2022-01-25
申请号：US16954006
申请日：2020-01-09
IPC: G02F1/1362 , G02F1/1333 , G02F1/1335 , G02F1/1343 , G02F1/1368 , H01L27/12
Abstract: Disclosed are an array substrate and a method for manufacturing the same, a display panel, and a display device. The array substrate includes: a base substrate; a TFT array layer provided on the base substrate, wherein the TFT array layer includes a plurality of driver transistors arranged in an array; a color resist layer provided on a side of the TFT array layer distal to the base substrate, wherein the color resist layer includes a plurality of color resist patterns independent from each other, a first opening is formed between adjacent ones of the color resist patterns, and an orthogonal projection of the first opening onto the base substrate at least partially overlaps with an orthogonal projection of an output electrode in a respective one of the driver transistors onto the base substrate; and pixel electrodes provided on a side of the color resist layer distal to the base substrate.
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公开(公告)号：US11222908B2
公开(公告)日：2022-01-11
申请号：US16631524
申请日：2018-08-06
Inventor： Xinguo Wu , Fengguo Wang , Dawei Shi , Hong Liu , Zifeng Wang , Feng Li , Bo Ma , Zhixuan Guo , Yuanbo Li , Jing Zhao , Cenhong Duan , Haiqin Liang
Abstract: An array substrate is provided. The array substrate includes a base, a first electrode and a second electrode which are on the base and a touch line on the base, both the first electrode and the second electrode are configured to transmit a display signal, the touch line is configured to transmit a touch signal; the first electrode and the touch line are respectively in different layers, and an orthographic projection of the first electrode on the base at least partially overlaps with an orthographic projection of the touch line on the base. A preparation method of the array substrate and a touch display panel are further provided.
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公开(公告)号：US20210408081A1
公开(公告)日：2021-12-30
申请号：US16605588
申请日：2019-04-08
Inventor： Peng LIU , Fuqiang LI , Jun FAN , Bailing LIU , Jianjun ZHANG , Yusheng LIU , Mei LI
IPC: H01L27/12 , H01L29/786 , H01L29/66 , G06F3/041
Abstract: An array substrate, a method of manufacturing an array substrate, a display panel, and an electronic device are provided. The array substrate includes a display area and a peripheral area; the display area includes a pixel region, the pixel region includes a first thin film transistor, and the first thin film transistor includes a first active layer; the peripheral area includes a second thin film transistor, and the second thin film transistor includes a second active layer; and the first active layer includes a material of oxide semiconductor, and the second active layer includes a material of poly-silicon semiconductor.
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Patent Agency Ranking
56.发明授权公开(公告)号：US11205752B2
公开(公告)日：2021-12-21
申请号：US16768582
申请日：2018-10-11
Inventor： Haiping Qi , Chunchieh Huang , Zhen Wang
Abstract: A mask frame and a method for manufacturing the same, a mask assembly for evaporation and an evaporation apparatus are provided. The mask frame includes a frame body. The frame body includes a plurality of frame members, and the frame body comprises a first surface and a second surface opposite to each other. A plurality of grooves are provided at intervals on the first surface of each of the plurality of frame members and along an extending direction of the frame member, and each groove is formed by the first surface recessing towards the second surface, and has a groove depth in a direction perpendicular to the first surface. For the plurality of grooves in each frame member, a groove depth of the groove at a middle position of the frame member is smaller than the grooves at two ends of the frame member.
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公开(公告)号：US11199742B2
公开(公告)日：2021-12-14
申请号：US16072791
申请日：2017-12-15
Inventor： Wei Lin Lai , Guanyin Wen , Zhengyin Xu , Chien Pang Huang
IPC: G02F1/1335 , H01L27/32 , H01L51/52
Abstract: A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.
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公开(公告)号：US11195443B2
公开(公告)日：2021-12-07
申请号：US16707212
申请日：2019-12-09
Inventor： Jiguo Wang , Jun Fan
Abstract: Provided are a latch and a drive method thereof, a source drive circuit and a display device. The latch includes: a first latch circuit and a second latch circuit; the first latch circuit is connected to a first control signal terminal, a data signal terminal and a transmission node, and is configured to latch a data signal from the data signal terminal at a first latch node and transmit the data signal to the transmission node; and the second latch circuit is connected to the transmission node, a first switch signal terminal, a second switch signal terminal and an output node, and is configured to latch a data signal from the transmission node at a second latch node and output the data signal to the output node; a loop in the second latch circuit is turned off in response to the data signal written to the second latch node.
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59.发明申请公开(公告)号：US20210376057A1
公开(公告)日：2021-12-02
申请号：US16648421
申请日：2019-04-25
Inventor： Huafeng LIU , Shengwei ZHAO , Chaochao SUN , Chao WANG , Jingping LV , Lin XIE , Guoqing ZHOU , Panpan ZHANG , Tengfei WANG , Hsinghua PAN , Lele LI , Zhiqiang CHANG , Shaocong DANG , Shijie MU , Zhen WANG
Abstract: Disclosed are a display substrate, a display device, a manufacturing method and a repairing method. A capacitor structure in the display substrate includes a first electrode and a second electrode. The first electrode includes a first main body portion extending in a first direction, first branch portions extending in a second direction, and a first connection portion connecting the first branch portions to the first main body portion. The second electrode includes a second main body portion extending in the first direction, second branch portions extending in the second direction, and a second connection portion connecting the second branch portions to the second main body portion. One side of the first electrode having the first branch portions faces one side of the second electrode having the second branch portions, and each first branch portion and a corresponding second branch portion form a capacitor.
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公开(公告)号：US11189230B2
公开(公告)日：2021-11-30
申请号：US16768395
申请日：2019-12-16
Inventor： Zhichong Wang , Fuqiang Li , Jing Feng , Xinglong Luan , Peng Liu
IPC: G09G3/3258
Abstract: A display device, a pixel compensation circuit and a driving method thereof are disclosed. The pixel compensation circuit includes: a driving transistor, an initialization circuit, a storage circuit, a first data writing circuit, a second data writing circuit, a compensation circuit and a light emitting control circuit. A first terminal of the storage circuit is coupled to the gate electrode of the drive transistor, and the first data writing circuit is configured to write a data signal to a second terminal of the storage circuit. The second data writing circuit is configured to change a potential of the second terminal of the storage circuit so that a potential of the first terminal of the storage circuit is associated with the data signal. The compensation circuit is configured to charge the first terminal of the storage circuit so that it is associated with a threshold voltage of the drive transistor.
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