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公开(公告)号：US20230129625A1
公开(公告)日：2023-04-27
申请号：US17609504
申请日：2021-01-28
发明人： Weixing Liu , Wei Qin , Kuanjun Peng , Tieshi Wang , Chunfang Zhang , Hui ZHANG , Changfeng Li , Shunhang Zhang , Kai Hou , Hongrun Wang , Liwei Liu , Yunsik Im , Wanpeng Teng , Xiaolong Li , Kai Guo , Zhiqiang Xu
摘要： The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
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2.发明授权公开(公告)号：US11238764B2
公开(公告)日：2022-02-01
申请号：US16942218
申请日：2020-07-29
发明人： Shengnan Li , Wei Qin , Tieshi Wang , Weixing Liu , Dongni Liu
摘要： The present disclosure provides a light emitting control circuit, an array substrate and a display device, and a driving method of the light emitting control circuit. The light emitting control circuit includes: a light emitting device; a driving circuit including a driving switch device configured to drive the light emitting device to emit light when the driving switch device is turned on; a detection circuit, configured to detect whether the light emitting device is short-circuited in the detection stage of the light emitting control circuit; if the light emitting device is short-circuited, the driving switch device is turned off in the light emitting stage of the light emitting control circuit; if the light emitting device is not short-circuited, the driving switch device is turned on in the light emitting stage of the light emitting control circuit.
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公开(公告)号：US11335261B2
公开(公告)日：2022-05-17
申请号：US17202560
申请日：2021-03-16
发明人： Weixing Liu , Tieshi Wang , Wei Qin , Chunfang Zhang
IPC分类号： G09G3/3233
摘要： A display panel and a driving method thereof, and a display apparatus are provided. In the present disclosure, external compensation circuits electrically connected to pixel circuits are added. The external compensation circuits are configured to adjust anode voltages of light emitting devices to cause the anode voltages of the light emitting devices to be consistent with voltages of data voltage ends.
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公开(公告)号：US20210327357A1
公开(公告)日：2021-10-21
申请号：US17271776
申请日：2020-07-22
发明人： Weixing Liu , Tieshi Wang , Zhiqiang Xu , Shengnan Li , Wanpeng Teng , Chunfang Zhang , Xiaolong Li , Wei Qin , Kai Guo , Kuanjun Peng
IPC分类号： G09G3/3258 , H01L27/32 , H01L51/50
摘要： The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.
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公开(公告)号：US11138923B2
公开(公告)日：2021-10-05
申请号：US16891124
申请日：2020-06-03
发明人： Shengnan Li , Wei Qin , Tieshi Wang , Weixing Liu , Chunfang Zhang , Wanpeng Teng , Dongni Liu
IPC分类号： G09G3/32
摘要： A pixel circuit, a driving method thereof and a display apparatus are provided. The pixel circuit comprises a control module, a short-circuit protection module, a drive transistor and a light-emitting device, wherein the short-circuit protection module is used for providing a data voltage to a gate of the drive transistor in response to a gate signal; a second pole of the drive transistor is connected to a positive pole of the light-emitting device, and a negative pole of the light-emitting device receives a second power supply voltage; the short-circuit protection module is used for providing a third power supply voltage to the gate of the drive transistor to turn off the drive transistor in response to the data voltage provided to the gate of the drive transistor and the second power supply voltage provided to the positive pole of the light-emitting device.
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公开(公告)号：US20210166607A1
公开(公告)日：2021-06-03
申请号：US16944973
申请日：2020-07-31
发明人： Shengnan LI , Wei Qin , Tieshi Wang , Xiaolong Li , Weixing Liu , Kuanjun Peng
IPC分类号： G09G3/20 , G09G3/3266
摘要： Disclosed are a method for driving a silicon-based driving back plate and a display apparatus. The method includes: acquiring a watch position of a user on the silicon-based driving back plate within one frame time; determining a watch region of the user on the silicon-based driving back plate according to the watch position; and controlling a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in the watch region to be greater than a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in a non-watch region.
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公开(公告)号：US11636818B2
公开(公告)日：2023-04-25
申请号：US17353841
申请日：2021-06-22
发明人： Weixing Liu , Tieshi Wang , Wei Qin , Zhiqiang Xu , Chunfang Zhang
IPC分类号： G09G3/36
摘要： Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes a plurality of scan signal lines, a plurality of data signal lines and a plurality of sub-pixels; at least one sub-pixel includes switch assembly and a display unit, wherein the switch assembly at least includes a control terminal, an input terminal and an output terminal, wherein the input terminal is connected to the data signal line, the output terminal is connected to the display unit, and the control terminal or the input terminal is connected to the scan signal line; the display panel further includes at least one switch control line, which is connected to the control terminal of the switch assembly, and the switch control line is configured to control the input terminal and the output terminal of the switch assembly to be turned on or off.
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公开(公告)号：US20220068206A1
公开(公告)日：2022-03-03
申请号：US17213557
申请日：2021-03-26
发明人： Weixing Liu , Zhiqiang Xu , Tieshi Wang , Wei Qin , Wanpeng Teng
IPC分类号： G09G3/3258 , G09G3/3241
摘要： A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
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公开(公告)号：US11250782B1
公开(公告)日：2022-02-15
申请号：US17213557
申请日：2021-03-26
发明人： Weixing Liu , Zhiqiang Xu , Tieshi Wang , Wei Qin , Wanpeng Teng
IPC分类号： G09G3/3258 , G09G3/3241
摘要： A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
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公开(公告)号：US11250781B2
公开(公告)日：2022-02-15
申请号：US16829407
申请日：2020-03-25
发明人： Wei Qin , Zhiqiang Xu , Xiaolong Li , Tieshi Wang , Weixing Liu , Kai Guo , Jintao Peng , Yanan Niu , Kuanjun Peng
IPC分类号： G09G3/3258 , G06F3/044 , G06F3/041 , G06K9/00 , G09G3/3291
摘要： A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.
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