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公开(公告)号：US11282915B2
公开(公告)日：2022-03-22
申请号：US16963975
申请日：2019-09-10
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/3233 , H01L27/32 , G09G3/00
Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixel units arranged in an array, and the array includes N rows and 8M columns. Sub-pixel units in each row are divided into a plurality of sub-pixel unit groups, and each sub-pixel unit group includes a first sub-pixel unit, a second sub-pixel unit, a third sub-pixel unit, a fourth sub-pixel unit, a fifth sub-pixel unit, a sixth sub-pixel unit, a seventh sub-pixel unit and an eighth sub-pixel unit which are sequentially in eight adjacent columns along a first direction.
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公开(公告)号：US20220076622A1
公开(公告)日：2022-03-10
申请号：US17419205
申请日：2020-09-21
Inventor： Xuehuan FENG , Zheng LIU
IPC: G09G3/3208
Abstract: A pixel driving circuit includes a light-emitting control sub-circuit and a plurality of display control sub-circuits. The light-emitting control sub-circuit is connected to a light-emitting control signal terminal, a power supply signal terminal and a light-emitting control node, and is configured to transmit a power supply signal from the power supply signal terminal to the light-emitting control node in response to a light-emitting control signal received from the light-emitting control signal terminal. Each display control sub-circuit is connected to the light-emitting control node, a scan signal terminal, a data signal terminal, and a light-emitting element. Each display control sub-circuit is configured to, in response to a scan signal received from the scan signal terminal, output a driving signal according to the power supply signal and a data signal from the data signal terminal, so as to drive the light-emitting element to emit light.
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公开(公告)号：US11244619B2
公开(公告)日：2022-02-08
申请号：US16643280
申请日：2019-03-01
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/36 , G09G5/00 , G09G3/3258 , G11C19/28
Abstract: A shift register unit, a gate driving circuit, a display device and a driving method. The shift register unit includes a blank input circuit, a blank pull-up circuit, a display input circuit, and an output circuit. The blank input circuit charges and holds the level of the pull-up control node, the blank pull-up circuit uses a first clock signal to charge a pull-up node, the display input circuit charges the pull-up node, and the output circuit outputs a plurality of output clock signals respectively to a plurality of output terminals. The plurality of output terminals include a shift signal output terminal and a plurality of pixel signal output terminals. The plurality of pixel signal output terminals are configured to respectively output a plurality of pixel signals to a plurality of rows of pixel units.
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264.发明授权公开(公告)号：US11238805B2
公开(公告)日：2022-02-01
申请号：US16766450
申请日：2019-11-04
Inventor： Xuehuan Feng , Yongqian Li , Can Yuan , Meng Li , Zehua Ding , Zhidong Yuan
IPC: G09G5/00 , G09G3/3266 , G09G3/3225 , G11C19/28
Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-unit and a leakage prevention circuit; the first sub-unit includes a first input circuit and a first output circuit. The first input circuit controls a level of a first node in response to a first input signal, the first output circuit provides an output signal at an output terminal under control of the level of the first node, the leakage prevention circuit is connected to the first node and a first voltage terminal, and controls a level of a leakage prevention node under control of the level of the first node, whereby a conductive path is formed between the leakage prevention node and the first voltage terminal, and a circuit connected between the first node and the leakage prevention node is turned off.
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公开(公告)号：US20220013067A1
公开(公告)日：2022-01-13
申请号：US17280283
申请日：2020-05-15
Inventor： Meng Li , Yongqian Li , Chen Xu , Dacheng Zhang , Jingquan Wang , Shi Sun
IPC: G09G3/3233 , G09G3/3275 , G09G3/3266
Abstract: A pixel driving circuit, a display device and an electronic device are provided. The pixel driving circuit includes: a first sub-pixel driving circuit, a second sub-pixel driving circuit, a third sub-pixel driving circuit, and a fourth sub-pixel driving circuit sequentially arranged in a first direction; a detection line; a first power line extending in the second direction; and a second power line extending in the second direction; wherein one of the first power line and the second power line is provided on a side of the second sub-pixel driving circuit away from the third sub-pixel driving circuit, and the other of the first power line and the second power line is provided on a side of the third sub-pixel driving circuit away from the second sub-pixel driving circuit.
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Patent Agency Ranking
公开(公告)号：US20210407391A1
公开(公告)日：2021-12-30
申请号：US17468705
申请日：2021-09-08
Inventor： Xuehuan FENG , Yongqian LI , Yubao KONG
IPC: G09G3/3208
Abstract: Disclosed are a display substrate and a display device. A display region and a peripheral region are included. The peripheral region includes a plurality of shift registers and a plurality of clock signal lines. The plurality of clock signal lines are arranged side by side in a first direction and include a first clock signal line to a Zth clock signal line, Z≥1. The shift registers are connected with gate lines in the display region and the first clock signal line to the Zth clock signal line respectively. There is at least a group of ith clock signal lines satisfying that the ith clock signal lines include X ith clock signal lines which are arranged one by one according to a sequence of connection with shift registers and further include N ith clock signal lines.
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公开(公告)号：US11200861B2
公开(公告)日：2021-12-14
申请号：US17000219
申请日：2020-08-21
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
IPC: G09G3/36 , G09G3/3266 , G11C19/28
Abstract: A shift register unit includes a pull-down sustaining sub-circuit and a pull-down sub-circuit. The pull-down sustaining sub-circuit includes: a first transistor having a control electrode configured to input a pull-down sustaining signal, a first electrode connected to a first power signal terminal, and a second electrode connected to a pull-down node; a first capacitor; and a second transistor having a control electrode connected to an input signal terminal. The pull-down sub-circuit includes: a third transistor having a control electrode connected to the first terminal of the first capacitor, a first electrode connected to a pull-up node, and a second electrode connected to the second power signal terminal; a fourth transistor having a control electrode connected to the first terminal of the first capacitor, a first electrode connected to an output sub-circuit, and a second electrode connected to the second power signal terminal.
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268.发明申请公开(公告)号：US20210358417A1
公开(公告)日：2021-11-18
申请号：US17265226
申请日：2020-06-18
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/3266 , G09G3/3258 , G11C19/28
Abstract: A shift register unit, a gate driving circuit, a display device, and a method for controlling a shift register unit are provided. The shift register unit includes a first input sub-circuit, a second input sub-circuit, a first isolation sub-circuit, and a first output sub-circuit. The first input sub-circuit is configured to control a potential of a first node. The second input sub-circuit is configured to control a potential of a second node. The first isolation sub-circuit is configured to control conduction and interruption of electrical coupling between the first node and the second node. The first output sub-circuit is configured to output a gate driving signal in a display phase and output a compensation driving signal in a field blanking phase.
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公开(公告)号：US20210335269A1
公开(公告)日：2021-10-28
申请号：US17206121
申请日：2021-03-19
Inventor： Zhidong YUAN , Pan XU , Yongqian LI , Can YUAN
IPC: G09G3/3266 , G09G3/3233 , G11C19/28
Abstract: The present disclosure relates to the field of display technology, and provides a shift register unit and a driving method thereof, a gate driving circuit, and a display panel. The shift register unit includes: an input circuit, a charging circuit, an inverter circuit, an output circuit, and a pull-down circuit. The input circuit is connected to a second clock signal terminal, a signal input terminal and a first node. The inverter circuit is connected to the signal input terminal, the second clock signal terminal, a first power supply terminal, a second power supply terminal and a pull-down node. The output circuit is connected to the pull-up node, the first power supply terminal and an output terminal. The pull-down circuit is connected to the pull-down node, the second power supply terminal, the pull-up node, and the output terminal.
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公开(公告)号：US20210295778A1
公开(公告)日：2021-09-23
申请号：US17254728
申请日：2020-06-18
Inventor： Xuehuan Feng , Sixiang Wu
IPC: G09G3/3266 , G11C19/28
Abstract: The present disclosure provides a shift register unit, a driving method thereof, and a gate driving circuit. The shift register unit includes: an input circuit configured to receive an input signal from an input signal terminal and output the input signal to a voltage stabilizer node; a voltage-stabilizing circuit configured to input potential of the voltage stabilizer node to a pull-up node and control potential of the voltage stabilizer node under control of potential of the pull-up node; an output circuit configured to receive a clock signal from a clock signal terminal and provide an output signal to an output signal terminal based on the clock signal received under control of the potential of the pull-up node; and a control circuit configured to control potential of the output signal terminal under control of the potential of the pull-up node.
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