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公开(公告)号:US12002410B2
公开(公告)日:2024-06-04
申请号:US17642025
申请日:2021-04-08
发明人: Hao Chen , Zhenyu Zhang , Jiao Zhao , Li Xiao , Dongni Liu , Haoliang Zheng , Liang Chen , Minghua Xuan , Ming Yang , Xinhong Lu , Qi Qi
CPC分类号: G09G3/32 , G01R31/52 , G01R31/54 , G09G3/006 , G09G3/035 , H01L25/0753 , H01L27/1244 , H01L33/62 , G09F9/33 , G09G2300/0426 , G09G2300/0452 , G09G2320/0233 , G09G2330/021
摘要: An array substrate, a detection method for the array substrate, and a tiled display panel. In the array substrate, each of pixels (1) comprises sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) comprises at least one inorganic light-emitting diode; a display area (A1) further comprises: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.
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公开(公告)号:US11996035B2
公开(公告)日:2024-05-28
申请号:US17639790
申请日:2021-03-11
发明人: Seungwoo Han , Li Xiao , Haoliang Zheng , Dongni Liu , Jiao Zhao , Liang Chen , Hao Chen , Minghua Xuan
IPC分类号: G09G3/32
CPC分类号: G09G3/32 , G09G2300/0842 , G09G2310/061
摘要: Provided is a pixel circuit. The pixel circuit includes a reset circuit, a data write circuit, a light-emission control circuit, and a drive circuit; wherein the reset circuit is configured to transmit a reset power signal supplied by the reset power terminal to the first node in response to a reset control signal; the data write circuit is configured to transmit a data signal supplied by the data signal terminal to the first node in response to a gate drive signal; the light-emission control circuit is configured to control conduction/non-conduction between the cathode of the light-emitting element and the second node, and control conduction/non-conduction between the third node and the pull-down power terminal, in response to a light-emission control signal; and the drive circuit is configured to control conduction/non-conduction between the second node and the third node in response to a potential of the first node.
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公开(公告)号:US11854493B2
公开(公告)日:2023-12-26
申请号:US17052526
申请日:2019-11-27
发明人: Jiao Zhao , Li Xiao , Minghua Xuan , Haoliang Zheng , Dongni Liu , Jing Liu , Qi Qi
IPC分类号: G09G3/3291
CPC分类号: G09G3/3291 , G09G2300/0426 , G09G2310/0286 , G09G2330/06 , G09G2330/08
摘要: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.
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公开(公告)号:US11721287B2
公开(公告)日:2023-08-08
申请号:US17789661
申请日:2021-08-18
发明人: Zhenyu Zhang , Li Xiao , Dongni Liu , Liang Chen , Hao Chen , Haoliang Zheng , Minghua Xuan , Jiao Zhao
IPC分类号: G09G3/3258 , G06F3/042 , H04N25/00 , H04N25/40 , H04N25/47
CPC分类号: G09G3/3258 , G06F3/042 , G06F3/0421 , G09G2300/0439 , G09G2310/061 , G09G2320/0233 , G09G2360/14 , G09G2360/148 , H04N25/00 , H04N25/40 , H04N25/47
摘要: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.
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公开(公告)号:US11605348B2
公开(公告)日:2023-03-14
申请号:US17433402
申请日:2020-09-28
发明人: Minghua Xuan , Dongni Liu , Haoliang Zheng , Li Xiao , Xue Dong
IPC分类号: G09G3/20 , G09G3/3258
摘要: A pixel circuit includes an input circuit and a time control circuit. The input circuit includes a driving transistor, and the input circuit is configured to write a data signal into a gate of the driving transistor in response to a first gate signal, so that the driving transistor outputs a driving signal for driving an element to be driven to emit light according to a gate voltage and a source voltage thereof. The time control circuit is coupled to the input circuit and the element to be driven, and is configured to control the input circuit to transmit the driving signal to the element to be driven for a first duration, and control the input circuit to transmit the driving signal to the element to be driven for a second duration. The second duration is shorter than the first duration, and includes a plurality of phases spaced apart.
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公开(公告)号:US11568797B2
公开(公告)日:2023-01-31
申请号:US17408967
申请日:2021-08-23
发明人: Dongni Liu , Minghua Xuan , Haoliang Zheng , Li Xiao , Seungwoo Han , Liang Chen , Hao Chen , Jiao Zhao
IPC分类号: G09G3/32
摘要: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.
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公开(公告)号:US11538404B2
公开(公告)日:2022-12-27
申请号:US17476798
申请日:2021-09-16
发明人: Seungwoo Han , Haoliang Zheng , Li Xiao , Minghua Xuan
IPC分类号: G09G3/32
摘要: The present disclosure provides a pixel driving structure and a display panel. The pixel driving structure includes a pulse width modulation driving circuit, a pulse amplitude modulation driving circuit, and a buffer circuit. The pulse width modulation driving circuit is configured to control a pulse width of a driving current supplied to the light emitting device to be driven according to a pulse width modulation data voltage; the pulse amplitude modulation driving circuit is configured to control an amplitude of the driving current supplied to the light emitting device to be driven according to a pulse amplitude modulation data voltage; and the buffer circuit is electrically coupled between the pulse width modulation driving circuit and the pulse amplitude modulation driving circuit and is configured to adjust a rate at which the pulse width modulation driving circuit applies a pulse width modulation voltage to the pulse amplitude modulation driving circuit.
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公开(公告)号:US11373584B2
公开(公告)日:2022-06-28
申请号:US16976858
申请日:2019-11-29
发明人: Jiao Zhao , Li Xiao , Minghua Xuan , Haoliang Zheng , Dongni Liu , Jing Liu , Qi Qi , Zhenyu Zhang , Liang Chen , Hao Chen , Lijun Yuan
摘要: An array substrate has a display area, and the array substrate includes at least one pixel group and at least one pixel circuit group. The at least one pixel group is disposed in the display area, and each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group.
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公开(公告)号:US10811114B2
公开(公告)日:2020-10-20
申请号:US16138878
申请日:2018-09-21
发明人: Lijun Yuan , Mingfu Han , Seung Woo Han , Xing Yao , Zhichong Wang , Guangliang Shang , Haoliang Zheng
IPC分类号: G11C19/00 , G11C19/28 , G09G3/3258 , G09G3/36
摘要: Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.
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公开(公告)号:US10204695B2
公开(公告)日:2019-02-12
申请号:US15520191
申请日:2016-11-04
发明人: Guangliang Shang , Seungwoo Han , Mingfu Han , Haoliang Zheng , Xing Yao , Hyunsic Choi
摘要: The present application discloses a control circuit for controlling a noise reduction thin film transistor in a shift register unit. The control circuit includes a timer for initiating a timing process when the shift register is turned on, to obtain an operating time of the shift register; a threshold voltage calculator coupled to the timer for calculating a present threshold voltage based on the operating time, a gate voltage of the noise reduction thin film transistor, and an initial threshold voltage of the noise reduction thin film transistor; and a gate voltage controller coupled to the threshold voltage calculator for adjusting the gate voltage of the noise reduction thin film transistor during the noise reduction phase, to control the noise reduction thin film transistor in an ON state during the noise reduction phase.
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