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公开(公告)号：US20240233644A1
公开(公告)日：2024-07-11
申请号：US18547182
申请日：2022-09-30
Inventor： Liu Wu , Can Yuan , Zhidong Yuan , Cheng Xu , Luke Ding , Yongqian Li , Xiuting Liu
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0814 , G09G2300/0819 , G09G2300/0842 , G09G2310/0221 , G09G2310/04 , G09G2310/08 , G09G2330/021 , G09G2340/0435
Abstract: A display substrate, including: a plurality of partition control signal lines disposed on a base substrate; and a plurality of sub-pixels disposed on the base substrate, at least one of the sub-pixels includes a pixel circuit and a light emitting device. The pixel circuit includes a switch transistor, a first partition control transistor, a drive transistor and a first initialization transistor. The first partition control transistor is electrically connected to the switch transistor, the first initialization transistor, the drive transistor and at least one partition control signal line. The first partition control transistor is configured to: in response to a partition control signal on the partition control signal line, selectively transmit a received first initialization signal to a gate electrode of the drive transistor in an initialization phase, and selectively transmit a received data signal to the gate electrode of the drive transistor in a data writing phase.
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公开(公告)号：US12016219B2
公开(公告)日：2024-06-18
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
IPC: H10K59/131 , H10K50/842 , H10K59/12 , H10K59/121 , H10K59/122 , H10K71/00
CPC classification number: H10K59/131 , H10K50/8426 , H10K59/121 , H10K59/122 , H10K71/00 , H10K59/1201
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：US11985872B2
公开(公告)日：2024-05-14
申请号：US17309882
申请日：2020-12-29
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: H10K59/131 , G09G3/3233 , H10K59/121
CPC classification number: H10K59/131 , G09G3/3233 , G09G2300/0408 , G09G2300/0426 , G09G2300/0842 , G09G2320/0233 , H10K59/1216
Abstract: A display panel and an electronic device are provided. The display panel includes: a base substrate; a plurality of gate lines and a plurality of data lines located on the base substrate. A plurality of sub-pixel units are located on the base substrate, and at least one of the plurality of sub-pixel units includes a light-emitting element, a switching transistor, an induction transistor, a driving transistor and a storage transistor. In this sub-pixel unit, an orthographic projection of the switching transistor on the base substrate and an orthographic projection of the induction transistor on the base substrate are located on a first side of an orthographic projection of the storage capacitor on the base substrate. An orthographic projection of the driving transistor on the base substrate is located on a second side of the orthographic projection of the storage capacitor on the base substrate.
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公开(公告)号：US11984072B2
公开(公告)日：2024-05-14
申请号：US17921911
申请日：2021-06-03
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2300/0819 , G09G2300/0842 , G09G2310/0297 , G09G2320/0219 , G09G2320/0223 , G09G2320/0233
Abstract: A display substrate (100) and a design method therefor, and a display apparatus. The display substrate (100) includes: pixel circuits which are arranged in an array, where the pixel circuits are divided into at least two areas; and data switching circuits (10), which are correspondingly connected to the pixel circuits in the areas by means of data signal lines, wherein a channel width-to-length ratio (W/L) of a switch device in each data switching circuit (10) is positively correlated with a design data load of an area corresponding to the data switching circuit (10). The width-to-length ratios (W/L) of different switch devices can be matched according to different design data loads of different areas.
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35.发明授权公开(公告)号：US11972821B2
公开(公告)日：2024-04-30
申请号：US17766828
申请日：2021-04-15
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
CPC classification number: G11C19/28 , G09G3/32 , G09G2300/0426 , G09G2310/0286 , G09G2310/08
Abstract: A shift register unit and a control method thereof, a gate driving circuit, and a display device are provided. The shift register unit comprises: a first control circuit (110) and an energy storage circuit (150), which directly control the potential of a first node (Q1); a pull-down control circuit (120), a second control circuit (130) and a first pull-down circuit (140), which indirectly control the potential of the first node (Q1); and an output circuit (160), which outputs, under the control of the potential of the first node (Q1), a first voltage signal provided by a first voltage end (VDD) to a signal output end. By means of the shift register unit, the control method thereof and the gate drive circuit, the pulse width of a gate scanning signal can be adjusted, thereby meeting various display requirements.
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Patent Agency Ranking
36.发明公开公开(公告)号：US20240135882A1
公开(公告)日：2024-04-25
申请号：US18016903
申请日：2022-01-27
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
IPC: G09G3/3258
CPC classification number: G09G3/3258
Abstract: A voltage supply circuit, a voltage supply method, a voltage supply module and a display device are provided. The voltage supply circuit includes a first node control circuit, a first control node control circuit, a second node control circuit and a driving voltage output circuit. The first node control circuit controls a potential of the first node; the first control node control circuit controls the potential of the first control node; the second node control circuit controls a potential of the second node; the driving voltage output circuit is electrically connected to the second node, the driving voltage output terminal and the initial voltage terminal respectively, and is configured to control the driving voltage output terminal to output a driving voltage according to the initial voltage provided by the initial voltage terminal under the control of the potential of the second node.
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公开(公告)号：US11937480B2
公开(公告)日：2024-03-19
申请号：US17869079
申请日：2022-07-20
Inventor： Zhongyuan Wu , Yongqian Li , Can Yuan , Zhidong Yuan , Meng Li , Dacheng Zhang , Lang Liu
IPC: H01L29/08 , H10K59/121 , H10K59/131 , H10K59/35 , H10K59/12
CPC classification number: H10K59/353 , H10K59/1213 , H10K59/1216 , H10K59/131 , H10K59/1201
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 first transistor, a second 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：US11849617B2
公开(公告)日：2023-12-19
申请号：US16976796
申请日：2019-11-29
Inventor： Zhongyuan Wu , Yongqian Li , Can Yuan , Zhidong Yuan , Meng Li , Dacheng Zhang , Lang Liu
IPC: H10K59/131
CPC classification number: H10K59/1315
Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.
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公开(公告)号：US11769445B2
公开(公告)日：2023-09-26
申请号：US17793536
申请日：2021-09-02
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/32 , G09G3/3275 , H03K17/693
CPC classification number: G09G3/32 , G09G3/3275 , H03K17/693 , G09G2310/0297 , G09G2330/021
Abstract: A multiplexer circuit includes a first selection sub-circuit and a second selection sub-circuit. The first selection sub-circuit configured to transmit an input signal received at a input signal terminal to a first output terminal in response to a first control signal received at a first control terminal, and transmit a voltage of a power supply voltage terminal to the first output terminal in response to a second control signal received at a second control terminal. The second selection sub-circuit configured to transmit the input signal received at the input signal terminal to a second output terminal in response to a third control signal received at a third control terminal, and transmit the voltage of the power supply voltage terminal to the second output terminal in response to a fourth control signal received at a fourth control terminal.
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公开(公告)号：US11424294B2
公开(公告)日：2022-08-23
申请号：US16963629
申请日：2019-09-10
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: H01L29/08 , H01L27/32 , G09G3/3258
Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixel units arranged in an array which includes N rows and 4M columns, sub-pixel units in each row is 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 and a fourth sub-pixel unit which are sequentially in four adjacent columns along a first direction.
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