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1.发明授权公开(公告)号：US12125428B2
公开(公告)日：2024-10-22
申请号：US17923690
申请日：2021-11-29
发明人： Seungwoo Han , Haoliang Zheng , Dongni Liu , Li Xiao , Jiao Zhao , Xiaorong Cui , Minghua Xuan
CPC分类号： G09G3/32 , G11C19/28 , G09G2300/0842 , G09G2300/0861 , G09G2310/0286 , G09G2310/08
摘要： A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.
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公开(公告)号：US12112707B2
公开(公告)日：2024-10-08
申请号：US18308385
申请日：2023-04-27
发明人： Li Xiao , Haoliang Zheng , Hao Chen , Minghua Xuan , Dongni Liu , Seungwoo Han , Liang Chen , Jiao Zhao , Xue Dong
IPC分类号： G09G3/3258 , G09G3/3291
CPC分类号： G09G3/3258 , G09G3/3291
摘要： A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
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公开(公告)号：US11972989B2
公开(公告)日：2024-04-30
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
CPC分类号： H01L22/32 , G01R31/54 , G01R31/58 , H01L22/22 , H01L24/02 , H01L27/124 , H10K59/131 , H01L25/167 , H01L2224/02321 , H01L2224/02375 , H01L2224/02379
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：US11901486B2
公开(公告)日：2024-02-13
申请号：US17256185
申请日：2020-04-03
发明人： Liang Chen , Lei Wang , Minghua Xuan , Dongni Liu , Li Xiao , Detao Zhao , Hao Chen
CPC分类号： H01L33/20 , H01L24/81 , H01L33/005 , H01L24/14 , H01L2933/0066
摘要： Provided is a method for transferring a chip, including: disposing a target substrate in a sealed chamber; applying charges of different polarities to a first alignment bonding structure of the target substrate and a first chip bonding structure of the chip, and injecting an insulation fluid flowing in a first direction into the sealed chamber, so that the first chip bonding structure is aligned with the first alignment bonding structure; applying charges of different polarities to a second alignment bonding structure of the target substrate and a second chip bonding structure of the chip, and changing the flowing direction of the insulation fluid to a second direction, so that the second chip bonding structure is aligned with the second alignment bonding structure; and applying a bonding force to the chip, so that the chip bonding structures is bonded to the alignment bonding structures.
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公开(公告)号：US11847966B2
公开(公告)日：2023-12-19
申请号：US17760733
申请日：2021-03-18
发明人： Haoliang Zheng , Minghua Xuan , Dongni Liu , Zhenyu Zhang , Li Xiao , Liang Chen , Hao Chen , Jiao Zhao , Lijun Yuan , Yi Ouyang , Qi Qi
IPC分类号： G09G3/3233 , G11C19/28
CPC分类号： G09G3/3233 , G11C19/28 , G09G2300/043 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/08
摘要： A shift register (SR) includes a voltage control circuit (110) and a bias compensation circuit (120). The voltage control circuit (110) is configured to control a voltage at a first node (Output) to be a first voltage or a second voltage. The bias compensation circuit (120) is configured to: when the voltage at the first node (Output) is the first voltage, transmit a first signal received by a first signal terminal (VDD-A) to a first signal output terminal (EM1), and transmit a second signal received by a second signal terminal (VDD-B) to a second signal output terminal (EM2); and in response to the voltage at the first node (Output) being the second voltage, transmit a signal received by a first voltage terminal (LVGL1) to the first signal output terminal (EM1) and the second signal output terminal (EM2).
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公开(公告)号：US11798473B2
公开(公告)日：2023-10-24
申请号：US17309917
申请日：2020-09-28
发明人： Dongni Liu , Minghua Xuan , Haoliang Zheng , Li Xiao , Liang Chen , Zhenyu Zhang , Jiao Zhao , Hao Chen
IPC分类号： G09G3/3233 , G09G3/20
CPC分类号： G09G3/3233 , G09G3/2007 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08
摘要： The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit configured to transmit a data voltage signal to a first terminal of a driving sub-circuit in response to a first scanning signal; a threshold compensation sub-circuit configured to compensate for a threshold voltage of the driving sub-circuit in response to a second scanning signal; a storage sub-circuit configured to store the data voltage signal; the driving sub-circuit configured to provide a driving current for a light emitting device to be driven according to voltages of a first terminal and a control terminal of the driving sub-circuit; and a voltage maintaining sub-circuit configured to maintain the voltage of the control terminal of the driving sub-circuit when the voltage of the first terminal of the driving sub-circuit jumps.
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公开(公告)号：US11450270B2
公开(公告)日：2022-09-20
申请号：US16484621
申请日：2019-01-25
发明人： Liang Chen , Lei Wang , Dongni Liu , Li Xiao , Minghua Xuan , Xiaochuan Chen , Shengji Yang , Pengcheng Lu , Detao Zhao , Ning Cong
IPC分类号： G09G3/3233 , G09G3/3275
摘要： A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).
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公开(公告)号：US11335224B2
公开(公告)日：2022-05-17
申请号：US17255529
申请日：2020-05-07
发明人： Dongni Liu , Minghua Xuan , Han Yue , Li Xiao , Liang Chen , Hao Chen
摘要： A pixel circuit, a driving method thereof, and a display device are provided. The pixel circuit includes: a light-emitting assembly including a plurality of light-emitting elements; a driving sub-circuit electrically coupled to the light-emitting assembly and configured to generate driving current for driving the light-emitting assembly; and a repair sub-circuit electrically coupled to the light-emitting assembly and configured to: receive a repair scanning signal (Gate_R, Gate_Ri) and a repair data signal (Data_R, Data_Ri), and provide the driving current to at least one light-emitting element capable of emitting light normally among the plurality of light-emitting elements under the control of the repair scanning signal (Gate_R, Gate_Ri) and the repair data signal (Data_R, Data_Ri).
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9.发明授权公开(公告)号：US11244602B2
公开(公告)日：2022-02-08
申请号：US17086097
申请日：2020-10-30
发明人： Haoliang Zheng , Dongni Liu , Minghua Xuan , Zhenyu Zhang , Li Xiao , Liang Chen , Hao Chen , Guangliang Shang , Lijun Yuan , Xing Yao
IPC分类号： G09G3/32
摘要： A shift register includes an input sub-circuit, a control sub-circuit, an output sub-circuit and a reset sub-circuit. The input sub-circuit is configured to transmit an input signal from an input signal terminal to a pull-up node. The control sub-circuit is configured to transmit a clock signal from a clock signal terminal to the control node. The output sub-circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a first output signal terminal, and to transmit a first voltage signal from a first voltage signal terminal to the first output signal terminal. The reset sub-circuit is configured to transmit the second voltage signal to the control node to reset the control node, and to transmit a third voltage signal from the third voltage signal terminal to the pull-up node to reset the pull-up node.
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10.发明授权公开(公告)号：US11177294B2
公开(公告)日：2021-11-16
申请号：US16701706
申请日：2019-12-03
发明人： Dongni Liu , Minghua Xuan , Li Xiao , Detao Zhao , Liang Chen , Hao Chen
IPC分类号： H01L23/48 , H01L27/12 , H01L21/288 , H01L21/768 , H01L23/522
摘要： An array substrate, a manufacturing method thereof and a display device are provided. A display unit is disposed on a first surface of a base substrate, and a driving circuit is disposed on a second surface of the base substrate opposite to the first surface, the driving circuit is electrically connected with the display unit through a signal connection structure in at least one via structure, a longitudinal section of the at least one via hole is a trapezoid, and a length of a bottom edge of the trapezoid at one side of the trapezoid close to the display unit is larger than a length of a bottom edge of the trapezoid at one side of the trapezoid away from the display unit.
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