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公开(公告)号：US20210233476A1
公开(公告)日：2021-07-29
申请号：US17256049
申请日：2020-02-12
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan , Min He , Haixia Xu
IPC: G09G3/3266 , G11C19/28
Abstract: A shift register unit, a driving method, a gate driving circuit, and a display device are disclosed. The shift register unit includes: a shift circuit, used to output, to a first output end during a first time period, a power control signal, and output the power control signal to a second output end during a second time period; and a signal integrated circuit, used to output the power control signal to a third output end in response to the power control signal and a first output signal, output the power control signal to the third output end in response to the power control signal and a second output signal, and output, to the third output end at times other than the first and second time period in response to the power control signal, the first output signal and the second output signal, a first pull-down power signal.
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公开(公告)号：US12283240B2
公开(公告)日：2025-04-22
申请号：US18250175
申请日：2022-04-20
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
IPC: G09G3/3233 , G09G3/3266
Abstract: A light-emitting control circuit includes: a first detection control unit configured to transmit a first voltage signal to the first node under control of a detection control signal and a first clock signal; a first light-emitting output unit configured to transmit the first voltage signal to a first output signal terminal under control of a voltage of the first node; a second detection control unit configured to transmit the first voltage signal to a second node under control of the detection control signal and a second clock signal; and a second light-emitting output unit configured to transmit the first voltage signal to a second output signal terminal under control of a voltage of the second node.
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公开(公告)号：US20250098447A1
公开(公告)日：2025-03-20
申请号：US18558248
申请日：2022-10-28
Inventor： Can Yuan , Zhidong Yuan , Liu Wu , Luke Ding , Yongqian Li , Cheng Xu , Dandan Zhou , Dacheng Zhang
IPC: H10K59/131 , G09G3/3225 , H10K59/122
Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, data lines and sub-pixels on the base substrate. The sub-pixels include a sub-pixel driving circuit and a light-emitting element including a first electrode. The sub-pixel driving circuit includes a driving transistor and a data writing transistor having a first electrode coupled to the data line through a second connection structure. A second electrode of the driving transistor is coupled to the first electrode through a first connection structure. The first and second connection structures are in a non-aperture region of the sub-pixel. Orthographic projections of the first and second connection structures onto the base substrate are arranged along a first direction. An orthographic projection of the second connection structure onto the base substrate and an aperture region of the sub-pixel are along a second direction which intersects the first direction.
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公开(公告)号：US12236892B2
公开(公告)日：2025-02-25
申请号：US18272595
申请日：2022-07-28
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Liu Wu , Luke Ding , Cheng Xu , Miao Liu , Xing Yao
IPC: G09G3/32 , G09G3/3266 , G11C19/28
Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
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公开(公告)号：US12219827B2
公开(公告)日：2025-02-04
申请号：US17795447
申请日：2021-08-25
Inventor： Yongqian Li , Can Yuan , Xuehuan Feng
IPC: H10K59/126 , G09G3/3225 , H10K59/131
Abstract: A display substrate and a display device. The display substrate includes a base substrate, and a plurality of pixel units and a plurality of scanning lines on the base substrate. Each pixel unit includes a plurality of sub-pixels and a light shielding layer, the plurality of sub-pixels is arranged in sequence in a first direction, each sub-pixel includes a sub-pixel driving circuitry and a light-emitting element coupled to each other, and the sub-pixel driving circuitry is configured to provide a driving signal to the light-emitting element. At least a part of the light shielding layer is arranged between the sub-pixel driving circuitry and the base substrate. Each scanning line includes at least a part extending in the first direction, is coupled to a corresponding sub-pixel driving circuitry, and is arranged at a same layer as the light shielding layer.
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Patent Agency Ranking
公开(公告)号：US12183278B2
公开(公告)日：2024-12-31
申请号：US17779576
申请日：2021-07-21
Inventor： Zhidong Yuan , Yongqian Li , Dacheng Zhang , Jingbo Xu , Can Yuan
IPC: G09G3/3233
Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.
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公开(公告)号：US20240251636A1
公开(公告)日：2024-07-25
申请号：US18005676
申请日：2022-02-28
Inventor： XinXin Wang , Dacheng Zhang , Ning Liu , Yu Wang , Bin Zhou , Can Yuan
IPC: H10K59/80 , H10K59/12 , H10K59/124
CPC classification number: H10K59/80522 , H10K59/1201 , H10K59/124
Abstract: An OLED display panel includes a base substrate and an OLED device on the base substrate. The OLED device includes: an auxiliary electrode in the non-light-emitting region, the auxiliary electrode includes a conductive layer and a conductive column on a side of the conductive layer away from the base substrate, and an orthographic projection of the conductive column on the base substrate is within an orthographic projection of the conductive layer on the base substrate; and an insulating layer between the conductive layer and the base substrate; a groove is arranged on a surface of the insulating layer away from the base substrate, and an orthographic projection of the groove on the base substrate at least partially overlaps with the orthographic projection of the isolation structure on the base substrate.
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公开(公告)号：US11963397B2
公开(公告)日：2024-04-16
申请号：US17280725
申请日：2020-05-15
Inventor： Meng Li , Yongqian Li , Jingquan Wang , Chen Xu , Dacheng Zhang , Zhidong Yuan , Can Yuan , Xuehuan Feng
IPC: H10K59/121 , H10K59/126 , H10K59/131 , H10K59/38 , H10K71/00 , H10K59/12
CPC classification number: H10K59/121 , H10K59/1216 , H10K59/126 , H10K59/131 , H10K59/38 , H10K71/00 , H10K59/1201
Abstract: A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display circuitry includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.
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公开(公告)号：US11581372B2
公开(公告)日：2023-02-14
申请号：US16977510
申请日：2019-11-29
Inventor： Zhongyuan Wu , Yongqian Li , Can Yuan , Zhidong Yuan , Dacheng Zhang , Lang Liu
Abstract: A display substrate 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 storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.
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公开(公告)号：US11476310B2
公开(公告)日：2022-10-18
申请号：US16977512
申请日：2019-11-29
Inventor： Zhongyuan Wu , Yongqian Li , Can Yuan , Meng Li , Zhidong Yuan , Dacheng Zhang , Lang Liu
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels which are arranged in a sub-pixel array in a first direction and a second direction. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. An active layer of the third transistor includes a body region and a first via hole region successively arranged in the first direction and electrically connected with each other; a first electrode of the third transistor is electrically connected to the first via hole region through a first via hole which is shifted in the second direction with respect to the body region, allowing the active layer incudes a first active layer side connecting the body region and the first via hole region; an extension direction of the first active layer side intersects with both the first direction and the second direction.
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