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公开(公告)号：US20220005414A1
公开(公告)日：2022-01-06
申请号：US17294231
申请日：2020-09-30
发明人： Dongni LIU , Minghua XUAN , Xiaochuan CHEN , Xue DONG , Haoliang ZHENG , Han YUE , Ning CONG
IPC分类号： G09G3/3258 , G09G3/3266 , G09G3/3291
摘要： A pixel driving circuit includes a data writing sub-circuit, a driving sub-circuit, and a control sub-circuit. The data writing sub-circuit is configured to: in response to a first scanning signal and a third scanning signal, write a first data signal into the driving sub-circuit; and in response to a second scanning signal and the third scanning signal, write a second data signal into the driving sub-circuit. The control sub-circuit is configured to, in response to an enable signal, connect a driving transistor to a first power supply voltage signal terminal and an element to be driven. The driving sub-circuit is configured to: according to the first data signal and a first power supply voltage signal, output a driving signal; and according to the second data signal and the first power supply voltage signal, control an operating state of the element to be driven.
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公开(公告)号：US20210390904A1
公开(公告)日：2021-12-16
申请号：US16345854
申请日：2018-11-01
发明人： Minghua XUAN , Lei WANG , Li XIAO , Xiaochuan CHEN
IPC分类号： G09G3/3225 , G09G3/3266
摘要： A display panel, a method of driving a display panel, and a display device are provided. The display panel includes a plurality of sub-pixel units arranged in an array, a plurality of compensation driving circuits and a plurality of light emitting control lines; sub-pixel units in each row are divided into a plurality of compensation light emitting groups, the plurality of compensation light emitting groups include a plurality of first compensation light emitting groups, the first compensation light emitting groups each include N sub-pixel units that are adjacent, and light emitting circuits of the N sub-pixel units that are adjacent are connected to one same compensation driving circuit; the light emitting circuits of the N sub-pixel units that are adjacent of each of the first compensation light emitting groups are respectively connected to N light emitting control lines that are different.
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公开(公告)号：US20210375702A1
公开(公告)日：2021-12-02
申请号：US17253960
申请日：2019-11-29
发明人： Li XIAO , Dongni LIU , Minghua XUAN , Jiao ZHAO , Haoliang ZHENG , Zhenyu ZHANG , Liang CHEN , Hao CHEN , Jing LIU , Qi QI
摘要： The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.
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公开(公告)号：US20210375210A1
公开(公告)日：2021-12-02
申请号：US17287536
申请日：2020-08-31
发明人： Minghua XUAN , Han YUE , Qi QI , Jing LIU
IPC分类号： G09G3/3258 , G09G3/3266
摘要： Disclosed are a drive circuit, a driving method therefor, and a display device. The drive circuit is configured to drive a device to be driven to work; the drive circuit and said device are connected in series between a first working voltage end (VL1) and a second working voltage end (VL2); the drive circuit is configured to control formation of a current path between the first working voltage end (VL1) and the second working voltage end (VL2); the drive circuit comprises a drive sub-circuit, a writing sub-circuit, a compensation sub-circuit, and a gray-scale control sub-circuit, wherein the compensation sub-circuit is separately connected to the first working voltage end (VL1), a first scan signal end (G_A), a first node (N1), and a third node (N3) and is configured to compensate for the first node (N1) under control of the first scan signal end (G_A) and the first working voltage end (VL1).
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公开(公告)号：US20210375204A1
公开(公告)日：2021-12-02
申请号：US16757526
申请日：2019-08-07
发明人： Liang CHEN , Lei WANG , Li XIAO , Dongni LIU , Detao ZHAO , Ning CONG , Minghua XUAN , Shengji YANG , Xiaochuan CHEN
IPC分类号： G09G3/3233 , G09G3/3258 , H01L27/32
摘要： The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.
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公开(公告)号：US20210350747A1
公开(公告)日：2021-11-11
申请号：US16479694
申请日：2019-01-02
发明人： Liang CHEN , Lei WANG , Li XIAO , Dongni LIU , Xiaochuan CHEN , Minghua XUAN , Ning CONG , Detao ZHAO
IPC分类号： G09G3/3258 , G09G3/3266 , G09G3/3275
摘要： A pixel circuit, a display panel, and a display device comprising the pixel circuit. The pixel circuit comprises a light emitting element and a driving circuit. The driving circuit comprises a light emission driving circuit for driving the light emitting element to emit light, and a light sensing driving circuit for controlling the light emitting element to convert external light incident on the light emitting element into an electrical signal. The pixel circuit integrates the light emission driving circuit with the light sensing driving circuit and can achieve the light sensing function for the screen of the display device, which makes it possible to not reserve an area dedicated to a camera on the surface of the display device.
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公开(公告)号：US20210335257A1
公开(公告)日：2021-10-28
申请号：US16612321
申请日：2019-04-18
发明人： Liang CHEN , Lei WANG , Li XIAO , Dongni LIU , Minghua XUAN , Xiaochuan CHEN , Shengji YANG , Detao ZHAO
IPC分类号： G09G3/3258
摘要： A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.
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公开(公告)号：US20210333969A1
公开(公告)日：2021-10-28
申请号：US16496236
申请日：2019-04-22
发明人： Detao ZHAO , Pengcheng LU , Liang CHEN , Ning CONG , Ming YANG , Dongni LIU , Li XIAO , Shengji YANG , Lei WANG , Minghua XUAN , Xiaochuan CHEN
摘要： A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.
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公开(公告)号：US20210327365A1
公开(公告)日：2021-10-21
申请号：US16338813
申请日：2018-10-18
发明人： Minghua XUAN , Lei WANG , Xiaochuan CHEN , Dongni LIU , Detao ZHAO
IPC分类号： G09G3/3291
摘要： The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.
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公开(公告)号：US20210265444A1
公开(公告)日：2021-08-26
申请号：US16638703
申请日：2019-03-22
发明人： Ming YANG , Can ZHANG , Minghua XUAN , Liang CHEN , Xiaochuan CHEN , Wenqing ZHAO
IPC分类号： H01L27/32 , H04N13/302
摘要： An array substrate is provided, including a substrate, wherein the substrate is provided with a plurality of electrodes and a plurality of first signal lines, each of the electrodes being correspondingly connected with a first signal line. In some examples, the first signal lines extend in the same direction. In some examples, at least two of the plurality of first signal lines are located in different layers of an insulating spacer from each other. In some examples, orthographic projections on the substrate of at least two of the first signal lines in the different layers at least partially overlap. Accordingly, a light field display device comprising the array substrate is also provided. The array substrate can reduce a light-emitting point size and increase a density distribution of light-emitting points.
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