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公开(公告)号：US20230403902A1
公开(公告)日：2023-12-14
申请号：US18238019
申请日：2023-08-25
发明人： Zhiqiang Xu , Wei Qin , Weixing Liu , Kai Guo , Tieshi Wang
CPC分类号： H10K59/353 , H01L27/124 , H10K59/12 , H10K59/351 , H10K71/00 , G09G3/2003
摘要： A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.
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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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公开(公告)号：US11238803B2
公开(公告)日：2022-02-01
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：US11114061B2
公开(公告)日：2021-09-07
申请号：US16623609
申请日：2019-05-24
发明人： Xueling Gao , Kuanjun Peng , Chengchung Yang , Zhiqiang Xu , Wei Qin , Tieshi Wang , Xiaolong Li , Shengnan Li , Wanpeng Teng
IPC分类号： G09G5/10 , G09G3/3275
摘要： The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.
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公开(公告)号：US20210142719A1
公开(公告)日：2021-05-13
申请号：US16835479
申请日：2020-03-31
发明人： Wei Qin , Xiaolong Li , Kuanjun Peng , Chunfang Zhang , Zhiqiang Xu , Yanan Niu
IPC分类号： G09G3/325 , G09G3/3258 , G09G3/3266 , G09G3/3291
摘要： Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel and a display device. The pixel driving circuit includes: a driving sub-circuit, coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal, and a first terminal of a light-emitting element, and configured to be able to output a first voltage signal from the first voltage signal terminal to the light-emitting element under the control of a scanning signal from the scanning signal terminal, a data signal from the data signal terminal, and a light-emitting control signal from the light-emitting control signal terminal; and an electrostatic discharge sub-circuit, coupled to a second voltage signal terminal and the first terminal of the light-emitting element, and configured to be able to conduct static electricity to the second voltage signal terminal in response to the static electricity generated at the first terminal of the light-emitting element.
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公开(公告)号：US10971069B2
公开(公告)日：2021-04-06
申请号：US16616234
申请日：2019-04-18
发明人： Tieshi Wang , Kuanjun Peng , Wei Qin , Chengchung Yang , Xueling Gao , Xiaolong Li , Zhiqiang Xu , Yan Wei , Shengnan Li
IPC分类号： G09G3/3258
摘要： A pixel driving circuit, a driving method and a display device are provided. The pixel driving circuit includes a driving unit, a capacitor unit, a data write-in unit connected to a corresponding gate line, a corresponding data line and the driving unit, a power source control unit connected to a first light-emitting control end, a power source signal input end and the driving unit, and a first light-emitting control unit connected to a second light-emitting control end, the power source signal input end and the driving unit and configured to, within a predetermined time period of a light-emitting stage, control the power source signal input end to be electrically connected to the driving unit under the control of the second light-emitting control end, stop the operation of the driving unit, and enable the light-emitting unit not to emit light.
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公开(公告)号：US10803806B2
公开(公告)日：2020-10-13
申请号：US16332783
申请日：2018-04-10
发明人： Xueling Gao , Chengchung Yang , Kuanjun Peng , Wei Qin , Xiangxiang Zou , Yang Yang
IPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3208
摘要： Pixel circuit and display substrate and driving methods, and display apparatus are provided. Pixel circuit includes: driving resetting sub-circuit to input voltage at first initial voltage terminal to gate of driving transistor in driving sub-circuit under control of first resetting signal terminal; writing compensation sub-circuit to input data voltage to driving sub-circuit and compensate driving sub-circuit under control of scanning signal terminal in writing compensation phase, and input reference voltage output at data voltage terminal to driving sub-circuit in blanking phase, so driving transistor in On-Bias state; light-emitting resetting sub-circuit to input voltage at first initial voltage terminal to light-emitting device to reset light-emitting device under control of scanning signal terminal; and light-emitting enabling sub-circuit to provide voltage at first power supply voltage terminal to driving sub-circuit and connect driving sub-circuit to light-emitting device under control of enabling signal terminal; and driving sub-circuit to provide driving current to light-emitting device.
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