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公开(公告)号：US20220246098A1
公开(公告)日：2022-08-04
申请号：US17726875
申请日：2022-04-22
发明人： Tieshi WANG , Xueling GAO , Zhiqiang XU , Chengchung YANG , Haoran LIU
IPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266
摘要： A circuit for driving a pixel includes a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second end connected to a third node; a writing circuit connected to a first scanning signal and the first node and configured to transmit a data signal to the first node; a reset circuit connected to a second scanning signal and configured to transmit a reference signal to the second node; a compensation circuit connected to a compensation control signal and configured to put through a connection between the second end and the control end of the driving transistor in response to the compensation control signal, wherein the compensation control signal is different from the first scanning signal and the second scanning signal; and an energy storage circuit connected between a first power end and the second node.
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公开(公告)号：US20210280132A1
公开(公告)日：2021-09-09
申请号：US17327937
申请日：2021-05-24
发明人： Xueling GAO , Kuanjun PENG , Chengchung YANG , Xiangxiang ZOU , Wei QIN
IPC分类号： G09G3/3233
摘要： A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.
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公开(公告)号：US20190189054A1
公开(公告)日：2019-06-20
申请号：US16214887
申请日：2018-12-10
发明人： Chengchung YANG , Xueling GAO , Kuanjun PENG
IPC分类号： G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275 , H01L27/32
CPC分类号： G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , G09G2320/0257 , H01L27/3244
摘要： The present disclosure discloses a pixel circuit and a driving method thereof, a display substrate and a display device, the pixel circuit includes: an initialization sub-circuit, a writing compensation sub-circuit, a light-emitting enabling sub-circuit, a light-emitting device, and a driving sub-circuit, the light-emitting enabling sub-circuit is configured to couple the driving sub-circuit to the light-emitting device under control of an enabling signal terminal. The initialization sub-circuit is configured to input a voltage of an initial voltage terminal to a gate of a driving transistor in the driving sub-circuit under control of a reset signal terminal to initialize the driving sub-circuit. The writing compensation sub-circuit is configured to input, under control of a scanning signal terminal, a data voltage output from a data signal terminal to the driving sub-circuit to perform data compensation on the driving sub-circuit.
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公开(公告)号：US20190096327A1
公开(公告)日：2019-03-28
申请号：US16134026
申请日：2018-09-18
发明人： Kuanjun PENG , Xiangxiang ZOU , Chengchung YANG
IPC分类号： G09G3/3241
摘要： Disclosed are a pixel circuit, a method for driving the same, a display panel, and a display device, and in the pixel circuit, a node reset sub-circuit resets a gate of a driver transistor in a first reset stage, a data writing sub-circuit writes a data signal, and compensates for drifting threshold voltage of the driver transistor, in a data writing stage, and a light-emission control sub-circuit connects a first voltage terminal with a light-emitting diode in a light emission stage.
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公开(公告)号：US20240169917A1
公开(公告)日：2024-05-23
申请号：US18421268
申请日：2024-01-24
发明人： Xueling GAO , Kuanjun PENG , Chengchung YANG , Xiangxiang ZOU , Wei QIN
IPC分类号： G09G3/3233 , H10K59/121
CPC分类号： G09G3/3233 , H10K59/121 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0257
摘要： A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.
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公开(公告)号：US20240112635A1
公开(公告)日：2024-04-04
申请号：US18534793
申请日：2023-12-11
发明人： Xueling GAO , Chengchung YANG , Tieshi WANG , Jintao PENG
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/08 , G09G2320/0233 , G09G2320/041 , G09G2320/045 , G09G2330/028
摘要： A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.
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公开(公告)号：US20230145828A1
公开(公告)日：2023-05-11
申请号：US18150092
申请日：2023-01-04
发明人： Chengchung YANG
IPC分类号： G09G3/3233 , G09G3/3266
CPC分类号： G09G3/3233 , G09G3/3266 , G09G2300/0426
摘要： The present disclosure relates to a pixel circuit and a method of driving the same, and a display device. A pixel circuit, including: a light emitting device; a driving sub-circuit configured to drive the light emitting device, the driving sub-circuit including a driving transistor configured to generate a driving current flowing through the light emitting device so that the light emitting device emits light; and a reset sub-circuit configured to reset a voltage between a gate electrode and a second electrode of the driving transistor.
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公开(公告)号：US20220366851A1
公开(公告)日：2022-11-17
申请号：US17874508
申请日：2022-07-27
发明人： Chengchung YANG
IPC分类号： G09G3/3233
摘要： A pixel circuit, a driving method thereof and a display device are disclosed. The pixel circuit includes: a reset sub-circuit, a drive sub-circuit, a write sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a light-emitting element. The drive transistor is in the on-bias state in the reset period; the write sub-circuit is configured to write a data voltage of the data voltage terminal into the drive sub-circuit; the compensation sub-circuit is configured to compensate a threshold voltage of the drive transistor in the drive sub-circuit; the light-emitting control sub-circuit is configured to transmit a drive current, generated by the drive sub-circuit under action of the first voltage terminal, the second voltage terminal and the data voltage written into the drive sub-circuit, to the light-emitting element; and the light-emitting element is configured to emit light according to the drive current.
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公开(公告)号：US20190392768A1
公开(公告)日：2019-12-26
申请号：US16436238
申请日：2019-06-10
发明人： Xiaolong LI , Wei QIN , Kuanjun PENG , Xueling GAO , Chengchung YANG , Zhiqiang XU
IPC分类号： G09G3/3266
摘要： The present application provides a display panel, a method of driving the same and a display apparatus. The display panel has pixel regions, each of which has pixel structures. Each of the pixel structures includes an anode, a cathode and a light emitting layer. The display panel further includes a controller and power signal lines coupled to the controller. Cathodes or anodes in a same pixel region are coupled to a same power signal line. The controller is configured to control a duty cycle of a control signal input to a power signal line coupled to a pixel region in response to a motion picture being displayed in the pixel region.
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公开(公告)号：US20190325826A1
公开(公告)日：2019-10-24
申请号：US16216122
申请日：2018-12-11
发明人： Chengchung YANG , Kuanjun PENG , Xueling GAO
IPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3291 , G09G3/3266
摘要： A pixel circuit, a method for driving the same, a display panel, and a display device are provided. The pixel circuit includes: a drive controlling sub-circuit, a data writing sub-circuit, a light-emission controlling sub-circuit, a first resetting sub-circuit, a second resetting sub-circuit, a charging sub-circuit, a capacitor sub-circuit, and a light-emitting element; and the respective sub-circuits cooperate in operation so that charges in the drive controlling sub-circuit in the pixel circuit can be reset, and driving current of the drive controlling sub-circuit to drive the light-emitting element to emit light can be made dependent upon the voltage of a data signal, and independent of threshold voltage of the drive controlling sub-circuit.
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