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公开(公告)号：US11348531B2
公开(公告)日：2022-05-31
申请号：US16772958
申请日：2019-11-05
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3225 , G09G3/3266 , G11C19/28
Abstract: The present disclosure provides a shift register unit, including a detection signal input sub-circuit, a display signal input sub-circuit, an output circuit, a pull-down control circuit and a signal output terminal, the output circuit includes a pull-up sub-circuit and a pull-down sub-circuit, the pull-down control circuit includes a selection sub-circuit and a plurality of pull-down control sub-circuits. The present disclosure further provides a gate driving circuit, a display panel and a driving method for driving the display panel. The shift register unit has a simple structure and a long service life.
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42.发明授权公开(公告)号：US11342386B2
公开(公告)日：2022-05-24
申请号：US16768266
申请日：2019-05-27
Inventor： Can Yuan , Yongqian Li , Meng Li , Zhidong Yuan
Abstract: An array substrate and a display device are provided. The array substrate includes at least one data line and a plurality of sub-pixel groups arranged in an array along a first direction and a second direction. At least one sub-pixel group includes two rows of sub-pixels, one row of the two rows of sub-pixels includes a first color sub-pixel and a second color sub-pixel, and the other row of the two rows of sub-pixels includes a third color sub-pixel; the first color sub-pixel, the second color sub-pixel and the third color sub-pixel in each sub-pixel group are connected to a same data line of the at least one data line.
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公开(公告)号：US11335264B2
公开(公告)日：2022-05-17
申请号：US17294676
申请日：2020-08-07
Inventor： Zhidong Yuan , Xuehuan Feng , Yongqian Li , Can Yuan , Meng Li , Dongxu Han
IPC: G09G3/3241 , G09G3/3266
Abstract: A pixel circuit and a driving method thereof, and a display device, the pixel circuit being configured to drive a light-emitting element and including: a node control sub-circuit, which is configured to provide a first node with a signal of a data signal end and provide a second node with a signal of a control signal end under the control of a first scanning end; a driving sub-circuit, which is configured to provide the second node with a driving current under the control of the first node and the second node; a storage sub-circuit, which is configured to store electric charge between the first node and the second node; a reading sub-circuit, and the light-emitting element, which is electrically connected to the second node and a second power supply end, respectively.
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公开(公告)号：US20220115486A1
公开(公告)日：2022-04-14
申请号：US17279855
申请日：2020-05-19
Inventor： Zhidong Yuan , Dacheng Zhang , Yongqian Li , Lang Liu , Zhongyuan Wu , Can Yuan , Meng Li
Abstract: A display substrate includes: a base substrate including a display area and a peripheral area pixel units in the display area, each including a pixel drive circuit and a light emitting device the light emitting device including a first electrode, a second electrode, and a light emitting layer; a first power trace located in the peripheral area and electrically connected to the first electrode; a second power trace located in the peripheral area and electrically connected to the second electrode; a planarization layer with at least a portion thereof being located in the peripheral area. An orthographic projection of the planarization layer on the base substrate at least partially overlaps an orthographic projection of each of the first and second power traces on the base substrate, the first and second power traces are located in different layers, and a portion of the planarization layer is located between the first and second power traces.
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公开(公告)号：US11296169B2
公开(公告)日：2022-04-05
申请号：US16883001
申请日：2020-05-26
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: H01L29/08 , H01L27/32 , G09G3/3266
Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel units arranged in an array, each pixel unit includes a first sub-pixel, a second sub-pixel and a third sub-pixel, and each of the first, second and third sub-pixels includes a pixel circuit including a switching transistor, a driving transistor, a sensing transistor, a storage capacitor and a light-emitting device. The first sub-pixels, the second sub-pixels and the third sub-pixels included in each row of the array are controlled by four scanning lines, and at least one of the four scanning lines is shared by the row of the array and another row of the array adjacent to the row of the array. Each column of pixel units of the array are coupled to a same data line.
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Patent Agency Ranking
公开(公告)号：US11295667B2
公开(公告)日：2022-04-05
申请号：US16916147
申请日：2020-06-30
Inventor： Zhidong Yuan , Yongqian Li , Song Meng , Can Yuan
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: Provided are a pixel structure, a display panel and a control method thereof. The pixel structure includes four sub-pixel units, wherein the i-th sub-pixel unit includes: an i-th element to be driven and an i-th drive circuit, 1≤i≤4, and the i-th drive circuit is respectively connected with an M-th data line and an N-th scanning line, and is configured to drive the i-th element to be driven according to a data signal of the M-th data line under control of the N-th scanning line, M = { 1 , 1 ≤ i ≤ 2 2 , 3 ≤ i ≤ 4 , N = { 1 , 2 ≤ i ≤ 3 2 , i is 1 or 4 .
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公开(公告)号：US11244610B2
公开(公告)日：2022-02-08
申请号：US16081489
申请日：2018-02-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongqian Li
IPC: G09G3/3233
Abstract: A display panel, a display device and a control method for a display panel are provided. The display panel comprises a plurality of pixel circuits, each of which includes a driving transistor, an energy storage unit, a data writing unit, a reset unit, a compensation unit, and a light emitting unit. The display panel further comprises a driving circuit, which is used to control the compensation unit during a compensation period so as to disconnect the other terminal of the energy storage unit from one terminal of the light emitting unit, so that the light emitting unit in each of the pixel circuits is in an extinguished state.
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公开(公告)号：US20220013610A1
公开(公告)日：2022-01-13
申请号：US17280316
申请日：2020-05-15
Inventor： Meng Li , Zhongyuan Wu , Yongqian Li , Dacheng Zhang , Jingquan Wang , Yu Wang , Chen Xu
IPC: H01L27/32 , G09G3/3225
Abstract: The present disclosure provides a display panel and an electronic device. The display panel includes: a base substrate; and a pixel arranged on the base substrate, wherein the pixel includes a first sub-pixel including a first sub-pixel drive circuit and a first light emitting element and a second sub-pixel including a second sub-pixel drive circuit and a second light emitting element, the first and second sub-pixel drive circuits are arranged sequentially in a first direction and extend in a second direction, wherein the first light emitting element includes a first anode, the second light emitting element includes a second anode, an orthographic projection of each of the first and the second anodes partially covers an orthographic projections of the first and second sub-pixel drive circuits, and the orthographic projection of the first anode does not overlap the orthographic projection of the second anode.
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公开(公告)号：US11222565B2
公开(公告)日：2022-01-11
申请号：US16072049
申请日：2018-01-08
Inventor： Xuehuan Feng , Xing Zhang , Qi Hu , Pan Xu , Yongqian Li , Meng Li , Zhidong Yuan , Zhenfei Cai , Can Yuan
Abstract: The present application discloses a shift register, a gate driving circuit and a driving method thereof, and a display apparatus. The shift register includes an input sub-circuit, an output sub-circuit, a reset control sub-circuit, a pull-up node reset sub-circuit, and an output signal reset sub-circuit; the input sub-circuit is configured to pre-charge the pull-up node under the control of a signal input to the first signal input terminal; the output sub-circuit is configured to output, through the signal output terminal, a signal input to the first clock signal input terminal under the control of a potential of the pull-up node; the reset control sub-circuit is configured to control, under the control of a reset signal input to the second signal input terminal, whether the pull-up node reset sub-circuit and the output signal reset sub-circuit operate to reset the pull-up node and the signal output terminal, respectively.
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公开(公告)号：US20210408440A1
公开(公告)日：2021-12-30
申请号：US16762985
申请日：2019-07-05
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
Abstract: A display substrate including a plurality of light emitting elements respectively in a plurality of subpixels configured to emit light for image display is provided. A respective one of the plurality of subpixels includes a base substrate; a first auxiliary cathode; a passivation layer; a first insulating layer; a second auxiliary cathode; a second insulating layer; and a pixel definition layer. The display substrate has a cathode aperture extending through the pixel definition layer and an auxiliary cathode aperture extending through the first insulating layer and the passivation layer. A cathode of a respective one of the plurality of light emitting elements extends into the cathode aperture to electrically connect with the second auxiliary cathode. The second auxiliary cathode extends into the auxiliary cathode aperture to electrically connect with the first auxiliary cathode.
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