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公开(公告)号：US11444132B2
公开(公告)日：2022-09-13
申请号：US16976827
申请日：2019-11-29
Inventor： Zhongyuan Wu , Yongqian Li , Can Yuan , Zhidong Yuan , Meng Li , Dacheng Zhang , Lang Liu
Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. The display substrate further includes an extension portion protruding from the gate electrode of the first transistor, and the extension portion is extended from the gate electrode of the first transistor in the second direction; the extension portion is at least partially overlapped with the first electrode of the second transistor in a direction perpendicular to the base substrate and is electrically connected with the first electrode of the second transistor; in the first direction, the extension portion has a second side closest to the second capacitor electrode, and the second side is recessed in a direction away from the second capacitor electrode.
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公开(公告)号：US11443677B2
公开(公告)日：2022-09-13
申请号：US16772312
申请日：2020-02-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongxu Han , Chi Zhang , Tieshi Wang , Zhongyuan Wu , Yongqian Li , Jinxia Hu
IPC: G09G3/20 , G09G3/3208
Abstract: The present disclosure relates to a display method of a display panel. The display method may include obtaining original luminance of three single color subpixels in each of the pixel units based on an image to be displayed; obtaining luminance compensation values of the three single color subpixels that need to be color compensated at a time of obtaining the luminance of the mixed color subpixel as the first substitute luminance; calculating luminance of the mixed color produced by the three single color subpixels in the pixel unit respectively based on each of the luminance of the three single color subpixels after color compensation; and setting input luminance of the single color subpixel having the smallest luminance of the mixed color as 0, and obtaining actual luminance of the other single color subpixels and the mixed color subpixel.
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公开(公告)号：US20220262315A1
公开(公告)日：2022-08-18
申请号：US17735260
申请日：2022-05-03
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G11C19/28
Abstract: A shift register unit, a gate drive circuit, and a drive method are provided. The shift register unit includes a first input circuit, a second input circuit, and an output circuit. The first input circuit is configured to charge a first node in response to a first input signal to control a level of the first node; the second input circuit is configured to charge a second node in response to a second input signal to control a level of the second node; and the output circuit is configured to output an output signal to an output terminal under common control of the level of the first node and the level of the second node; the first input circuit includes a first transistor and a first capacitor, and a second electrode of the first capacitor is connected to the first electrode of the first transistor.
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104.发明授权公开(公告)号：US11328672B2
公开(公告)日：2022-05-10
申请号：US16765565
申请日：2020-01-08
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G5/00 , G09G3/3266 , G09G3/3225 , G11C19/28 , G09G3/36 , G09G3/3208
Abstract: A shift register unit and a driving method thereof, a gate driving circuit, and a display device are provided. The shift register unit includes: a first input circuit, a second input circuit, an output circuit, and a compensation circuit, the first input circuit is configured to write a first input signal to the first node in response to a first control signal; the second input circuit is configured to input a second input signal to the second node in response to a detection control signal and configured to transmit a level of the second node to the first node in response to a second control signal; the compensation circuit is configured to compensate the level of the second node; and the output circuit is configured to output a composite output signal to the output terminal under control of a level of the first node.
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公开(公告)号：US11315960B2
公开(公告)日：2022-04-26
申请号：US16097875
申请日：2018-03-14
Inventor： Can Yuan , Zhenfei Cai , Yongqian Li , Pan Xu , Zhidong Yuan , Meng Li , Xuehuan Feng
IPC: H01L27/12 , H01L29/786 , H01L27/32
Abstract: A thin film transistor structure and a manufacturing method thereof, a circuit structure, a display substrate and a display device are provided. The thin film transistor structure includes: a base plate, and a first thin film transistor and a second thin film transistor stacked on the base plate. The first thin film transistor and the second thin film transistor share a same active layer.
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Patent Agency Ranking
公开(公告)号：US11296162B2
公开(公告)日：2022-04-05
申请号：US16638556
申请日：2019-09-04
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
Abstract: An array substrate includes a base substrate (1); a driving transistor (2) on the base substrate (1); an insulating layer (3) on the driving transistor (2), the insulating layer (3) comprising a via hole above a first electrode (21) of the driving transistor (2); a conductive portion (4) on the insulating layer (3); and a light emitting device (6) on the conductive portion (4) and electrically connected to the conductive portion (4). The conductive portion (4) may be electrically connected to the first electrode (21) of the driving transistor (2) through the via hole. The light emitting device (6) may be above the via hole, and an orthographic projection of the light emitting device (6) on the base substrate (1) may cover an orthographic projection of the via hole on the base substrate (1).
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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：US11263953B2
公开(公告)日：2022-03-01
申请号：US16616348
申请日：2019-05-08
Inventor： Xuehuan Feng , Yongqian Li
Abstract: A shift register unit and a drive method thereof, a gate drive circuit, and a display device are provided. A shift register unit includes a first noise reduction circuit, a first input circuit, and an output circuit; the first input circuit is coupled to a first node, and is configured to input a first control signal to the first node in response to a first input signal; the output circuit is coupled to the first node and an output terminal, and is configured to output a first output signal to the output terminal under control of a level of the first node; and the first noise reduction circuit is coupled to the output terminal, and is configured to perform noise reduction on the output terminal in response to a level of the output terminal.
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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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110.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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