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公开(公告)号：US20230120967A1
公开(公告)日：2023-04-20
申请号：US18082610
申请日：2022-12-16
发明人： Tieshi WANG , Xueling GAO , Zhiqiang XU
摘要： The present disclosure provides a smart watch and a method for measuring heart rate information. The smart watch includes a dial, a watchband, and a processing device disposed on the dial or inside the watchband. The processing device includes an optical emitter configured to emit light; an optical receiver configured to receive reflected light, the reflected light being generated by the light emitted by the optical emitter irradiating a skin for conversion into an electrical signal; and a processor configured to process the electrical signal to obtain heart rate information of a user.
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公开(公告)号：US20220262310A1
公开(公告)日：2022-08-18
申请号：US17661318
申请日：2022-04-29
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：US20200090591A1
公开(公告)日：2020-03-19
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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4.发明申请公开(公告)号：US20190385530A1
公开(公告)日：2019-12-19
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
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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公开(公告)号：US20230309341A1
公开(公告)日：2023-09-28
申请号：US18194348
申请日：2023-03-31
发明人： Xueling GAO , Kuanjun PENG , Chengchung YANG , Xiangxiang ZOU , Wei QIN
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , 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 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：US20230206832A1
公开(公告)日：2023-06-29
申请号：US16486201
申请日：2019-01-14
发明人： Xueling GAO , Chengchung YANG , Tieshi WANG , Jintao PENG
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0852 , G09G2300/0819 , G09G2310/08 , G09G2300/0426 , G09G2320/0233 , G09G2320/045 , G09G2320/041 , 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：US20210358405A1
公开(公告)日：2021-11-18
申请号：US16466418
申请日：2018-11-21
发明人： Chengchung YANG , Xueling GAO , Kuanjun PENG
IPC分类号： G09G3/3233
摘要： A pixel circuit, a driving method thereof and a display device are provided. The pixel circuit includes a drive circuit, a data writing circuit, a compensation-and-reset circuit, and a storage circuit. The drive circuit includes a control terminal, a first terminal and a second terminal, and is configured to control a driving current for driving a light-emitting element to emit light; the data writing circuit is configured to write a data signal to the control terminal of the drive circuit in response to a scanning signal; the compensation-and-reset circuit is configured to apply the reset voltage to the control terminal of the drive circuit in response to a compensation signal; the storage circuit is configured to store the data signal that is wrote and a threshold voltage, and to couple and adjust a voltage of the control terminal of the drive circuit.
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公开(公告)号：US20190096322A1
公开(公告)日：2019-03-28
申请号：US15964367
申请日：2018-04-27
发明人： Xueling GAO
IPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3275 , H01L27/32
摘要： The present disclosure provides a pixel driving circuit, a pixel driving method, and a display device. The pixel driving circuit includes: a first switch element, a second switch element, a third switch element, a fourth switch element, a fifth switch element, a sixth switch element, a driving transistor and a storage capacitor.
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公开(公告)号：US20210366386A1
公开(公告)日：2021-11-25
申请号：US16342035
申请日：2018-09-29
发明人： Xueling GAO
IPC分类号： G09G3/3233
摘要： A pixel circuit and a method of driving the same, and a display panel. The pixel circuit includes a drive circuit, a data writing circuit, a compensating circuit, a reset circuit and a first light emitting control circuit. The drive circuit is configured to control a drive current for driving a light emitting element to emit light; the data writing circuit is configured to write a data signal to the first terminal of the drive circuit; the compensating circuit is configured to compensate the drive circuit; the reset circuit is configured to apply a reset voltage to the control terminal of the drive circuit and the first terminal of the light emitting element; the first light emitting control circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the drive circuit.
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公开(公告)号：US20210241697A1
公开(公告)日：2021-08-05
申请号：US17234873
申请日：2021-04-20
发明人： Tieshi WANG , Xueling GAO , Zhiqiang XU , Chengchung YANG , Haoran LIU
IPC分类号： G09G3/3258 , G09G3/3266 , G09G3/3233
摘要： A method of driving a pixel includes providing a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit connected a data signal end, a first scanning end and the first node; a first control circuit connected to a first power end, a light emitting control end and the first node; a reset circuit connected to a reference signal end, a second scanning end, and the second node; a compensation circuit connected between the second node and the third node; a second control circuit connected to the third node, a light emitting element, and the light emitting control end; and an energy storage circuit connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.
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