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公开(公告)号：US20210407435A1
公开(公告)日：2021-12-30
申请号：US16605616
申请日：2019-03-20
发明人： Guoqiang TANG , Yingsong XU
IPC分类号： G09G3/3291 , H01L27/32
摘要： The present disclosure provides a compensation apparatus and method of a light-emitting device and display substrate and fabrication method thereof. The apparatus of light-emitting device includes a light sensing circuit and a compensation amount computing circuit. The light sensing circuit is configured to output a first photo-generated current under a condition that the light-emitting device emits light, when the light-emitting device needs to be compensated. The compensation amount computing circuit is connected with the light sensing circuit, and configured to compute a compensation amount required to compensate the light-emitting device according to the first photo-generated current.
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公开(公告)号：US20190228202A1
公开(公告)日：2019-07-25
申请号：US16197602
申请日：2018-11-21
发明人： Yuanyuan CHAI , Yangpeng WANG , Weinan DAI , Yao HU , Yingsong XU
摘要： A method and a device for unlocking a fingerprint are provided. The method includes: controlling a predetermined light-emitting region of a display device to enter a first display mode upon receipt of external light, controlling the predetermined light-emitting region of the display device to enter a second display mode when the predetermined light-emitting region of the display device is pressed; and acquiring fingerprint information in the predetermined light-emitting region of the display device after the predetermined light-emitting region enters the second display mode, and determining whether to allow unlocking or not according to the fingerprint information.
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公开(公告)号：US20190057648A1
公开(公告)日：2019-02-21
申请号：US15756973
申请日：2017-06-08
发明人： Yingsong XU
IPC分类号： G09G3/3233 , H01L27/32 , G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G2300/0819 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , G09G2320/0219 , G09G2320/0233 , H01L27/3262
摘要： A pixel circuit is disclosed that includes an organic light-emitting diode, a driving transistor connected in series with the organic light-emitting diode and having a gate connected to a first node and a drain connected to a second node, a dual-gate transistor coupled between the first node and the second node, and a leakage current suppression structure for suppressing a change in a driving current of the organic light-emitting diode caused by a leakage current flowing through the dual-gate transistor. A display device having the pixel circuit is also disclosed.
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公开(公告)号：US20230120335A1
公开(公告)日：2023-04-20
申请号：US17914192
申请日：2021-10-28
发明人： Changlong YUAN , Yingsong XU , Xiaoxiao WANG
摘要： A pixel circuit, a driving method thereof, a display panel and a display apparatus are provided. The pixel circuit includes a light-emitting element, a first voltage terminal, a data signal line, a light emission control sub-circuit, and a photoelectric sensing sub-circuit. The light emission control sub-circuit is connected with the first voltage terminal, the data signal line and the light-emitting element. The photoelectric sensing sub-circuit is connected with the first voltage terminal and the data signal line.
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15.发明申请公开(公告)号：US20220036798A1
公开(公告)日：2022-02-03
申请号：US17216852
申请日：2021-03-30
发明人： Jingyi FENG , Yingsong XU , Jiandong BAO
摘要： The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.
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16.发明申请公开(公告)号：US20210334493A1
公开(公告)日：2021-10-28
申请号：US16492347
申请日：2019-01-17
发明人： Guoqiang TANG , Yingsong XU
摘要： This application provides an ultrasonic fingerprint recognition module including: a base substrate; at least one ultrasonic wave signal receiver and at least one ultrasonic wave signal transmitter on the base substrate, which are on a same side of the base substrate and spaced apart from each other in a first direction parallel to the base substrate; a piezoelectric sensing layer on a side of the at least one ultrasonic wave signal transmitter and the at least one ultrasonic wave signal receiver distal to the base substrate; and an electrode layer on a side of the piezoelectric sensing layer distal to the base substrate.
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公开(公告)号：US20210272518A1
公开(公告)日：2021-09-02
申请号：US16316036
申请日：2018-06-06
发明人： Yingsong XU
IPC分类号： G09G3/3258 , G09G3/3291 , G09G3/3266
摘要： A pixel driving circuit is disclosed. A first electrode, a second electrode, and a third electrode of a driving sub-circuit respectively receives a first voltage signal, is coupled to the light-emission control sub-circuit, and to a first electrode of a second storage sub-circuit. A first electrode and second electrode of a first storage sub-circuit is coupled to a first node and receives a second voltage signal respectively. A second electrode of the second storage sub-circuit is coupled to a second node. A writing-compensation control sub-circuit is coupled to the first node and the second node, and receives a data signal, a gate signal, and a third voltage signal. A light-emission control sub-circuit is coupled to the first node, the second node, a second electrode of the driving sub-circuit, and the light-emission sub-circuit, and receives a light-emission control signal.
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公开(公告)号：US20200312245A9
公开(公告)日：2020-10-01
申请号：US16225633
申请日：2018-12-19
发明人： Yingsong XU
IPC分类号： G09G3/3241 , G09G3/32
摘要： Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, an array substrate, and a display panel. The pixel circuit includes a drive transistor, a data write circuit, a light emission control circuit, a compensation circuit, a reset circuit, and a light emitting device. A first control electrode of the drive transistor is coupled to a first node, a second control electrode of the drive transistor is coupled to a second node, a first electrode of the drive transistor is coupled to a first voltage signal terminal, and a second electrode of the drive transistor is coupled to a third node and may provide a drive current. The light emitting device is coupled between the light emission control circuit and a second voltage signal terminal and may emit light based on the drive current.
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公开(公告)号：US20190189724A1
公开(公告)日：2019-06-20
申请号：US16322006
申请日：2018-01-24
发明人： Yingsong XU
IPC分类号： H01L27/32 , G09G3/3266 , G09G3/3275
摘要： A pixel circuit includes: a data input sub-circuit for transmitting a reference voltage to a first node; a second control sub-circuit disconnecting a first power terminal from a second node; a driving sub-circuit transmitting a signal of the second node to a third node; a first control sub-circuit transmitting the voltage of the third node to a second power terminal; a first storage sub-circuit storing the voltage between the first power terminal and the second node; and a second storage sub-circuit storing the voltage between the first node and the second node, wherein the data input sub-circuit is configured to transmit a data voltage of a data signal terminal to the first node, the second control sub-circuit is configured to transmit a supply voltage of the first power terminal to the second node, and the driving sub-circuit is configured to output a drive signal to the third node.
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公开(公告)号：US20190066580A1
公开(公告)日：2019-02-28
申请号：US15957547
申请日：2018-04-19
发明人： Yingsong XU
IPC分类号： G09G3/3233
摘要： The present disclosure provides a pixel circuit, a driving method thereof, and a display device. The pixel circuit includes: a resetting module configured to output a voltage from an initial voltage end to a driving module and a light-emitting module; a data write-in module configured to write a voltage from a data voltage end to the driving module; a compensation module configured to compensate a threshold voltage of the driving module and output a voltage from a first voltage end to the driving module; the light-emitting module configured to emit light in accordance with a driving current from the driving module; and the driving module configured to drive the light-emitting module to emit light. The pixel circuit is used to drive subpixels to display an image.
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