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公开(公告)号：US12236870B2
公开(公告)日：2025-02-25
申请号：US18028522
申请日：2022-04-18
Inventor： Ziyang Yu , Zhiliang Jiang , Ming Hu
IPC: G09G3/3233
Abstract: Disclosed is a pixel circuit including a drive sub-circuit, a writing sub-circuit, a reset sub-circuit, a coupling sub-circuit, a storage sub-circuit, and a light emitting element, wherein the drive sub-circuit is configured to provide a drive current to the light emitting element under control of signals of a first node and a second node; the writing sub-circuit is configured to write a signal of a data signal terminal to the second node under control of a signal of a scan signal terminal; the coupling sub-circuit is configured to raise the voltage of the first node through a coupling action; the reset sub-circuit is configured to reset an anode terminal of the light emitting element under control of a signal of the scan signal terminal and reset a control terminal of the drive sub-circuit under control of a signal of a reset control signal terminal.
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公开(公告)号：US20250046244A1
公开(公告)日：2025-02-06
申请号：US18579420
申请日：2023-02-28
Inventor： Ziyang Yu , Haigang Qing , Jingwen Zhang , Gukhwan Song , Zhiliang Jiang
IPC: G09G3/3233 , H10K59/121 , H10K59/122 , H10K59/131 , H10K59/65
Abstract: An array substrate is provided. The array substrate includes a plurality of first subpixels in a first region and a plurality of second subpixels in a second region. The plurality of first subpixels include a plurality of first pixel driving circuits. The plurality of second subpixels include a plurality of second pixel driving circuits. A respective first pixel driving circuit of the plurality of first pixel driving circuits includes a smaller number of transistors than a respective second pixel driving circuit of the plurality of second pixel driving circuits. The first region has a light transmittance higher than the second region, and a subpixel density same as the second region.
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23.发明授权公开(公告)号：US12170059B2
公开(公告)日：2024-12-17
申请号：US17781720
申请日：2021-07-19
Inventor： Shilong Wang , Haigang Qing , Ziyang Yu , Yunsheng Xiao , Gukhwan Song , Zhiliang Jiang , Ming Hu
IPC: G09G3/3233 , H10K59/121 , H10K59/131
Abstract: A display substrate and a manufacturing method therefor, and a display device are provided in the present disclosure. The display substrate includes a drive circuit layer disposed on a substrate, the drive circuit layer includes a plurality of circuit units, at least one circuit unit of the plurality of circuit units includes a pixel drive circuit, a first power supply line providing a power supply signal to the pixel drive circuit, a data signal line providing a data signal to the pixel drive circuit, and a data fan-out line connected with the data signal line; at least a portion of the first power supply line, the data signal line, and the data fan-out line extends along a second direction and is arranged at intervals along a first direction.
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公开(公告)号：US12029088B2
公开(公告)日：2024-07-02
申请号：US17456881
申请日：2021-11-29
Inventor： Haigang Qing , Ziyang Yu , Wenbo Chen
IPC: H10K59/131 , G09G3/3225 , G09G3/3266
CPC classification number: H10K59/1315 , G09G3/3225 , G09G3/3266 , G09G2300/0408 , G09G2300/0842 , G09G2310/0286 , G09G2310/08
Abstract: A display substrate includes a base substrate including a display area and a peripheral area located at least on a first side of the display area. A plurality of pixel units are arranged in the display area. A first power trace is located in the peripheral area. A scan driving circuit is located in the peripheral area. The scan driving circuit includes a first scan driving circuit and a second scan driving circuit. A layer where the first power trace is located is located on a side of a layer where the scan driving circuit is located away from the base substrate. An orthographic projection of the first power trace on the base substrate at least partially overlaps an orthographic projection of the first scan driving circuit on the base substrate, and at least partially overlaps an orthographic projection of the second scan driving circuit on the base substrate.
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公开(公告)号：US11501707B2
公开(公告)日：2022-11-15
申请号：US17260746
申请日：2020-03-31
Inventor： Ziyang Yu , Zhu Wang , Sheng Hu , Tianliang Liu , Guo Liu
IPC: G09G3/3233 , G09G3/3258
Abstract: A pixel circuit includes: pixel units, wherein each pixel unit includes a light-emitting element and a pixel driving circuit, the pixel driving circuit and the light-emitting element are electrically connected to a first node; a first compensation sub-circuit electrically connected to each pixel driving circuit, and configured to provide an initialization signal to the pixel driving circuit, obtain a voltage at the first node when the light-emitting element emits light via the pixel driving circuit, and generate a compensation data signal based on the voltage at the first node; and a second compensation sub-circuit electrically connected to each pixel driving circuit and configured to keep the voltage at the first node within a set operating voltage range of the light-emitting element. The pixel driving circuit is further configured to initialize the first node based on the initialization signal, and use the compensation data signal to drive the light-emitting element.
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Patent Agency Ranking
公开(公告)号：US20220319418A1
公开(公告)日：2022-10-06
申请号：US17419704
申请日：2020-09-29
Inventor： Ziyang Yu
IPC: G09G3/3233
Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a data write sub-circuit connected to a data line and connected to a second capacitor electrode, the data write sub-circuit configured to write a voltage of a data voltage signal and a threshold voltage of a driving transistor into the second capacitor electrode in a data write phase; a light emitting control sub-circuit connected to the driving transistor, the light emitting control sub-circuit configured to control a voltage supply signal of a voltage supply line to be written into the driving transistor to generate a driving signal in a light emitting phase; and a first reset transistor having a gate electrode connected to a reset control signal line, a source electrode connected to a first reset signal line, and a drain electrode connected to the gate electrode of the driving transistor and the second capacitor electrode.
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公开(公告)号：US11170714B2
公开(公告)日：2021-11-09
申请号：US17001737
申请日：2020-08-25
IPC: G09G3/3233
Abstract: The present disclosure discloses a pixel circuit, a method for driving the same, a display panel and a display device. The pixel circuit includes: a first switching transistor, a second switching transistor, a first capacitor, a second capacitor, a driving transistor, and a light emitting device; where a gate electrode of the first switching transistor is connected with a scanning signal end, a first electrode of the first switching transistor is connected with a reference signal end, and a second electrode of the first switching transistor is connected with a gate electrode of the driving transistor; and a gate electrode of the second switching transistor is connected with a light emitting control signal end, a first electrode of the second switching transistor is connected with a first power supply end, and a second electrode of the second switching transistor is connected with a first electrode of the driving transistor.
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公开(公告)号：US20210056903A1
公开(公告)日：2021-02-25
申请号：US16807378
申请日：2020-03-03
Inventor： Ziyang Yu
IPC: G09G3/3258
Abstract: The embodiments of the present disclosure provide a pixel circuit and a method for driving the same, a display panel and a display apparatus. The pixel circuit includes: a storage capacitor having a first terminal coupled to receive a first control signal; a first transistor having a first electrode electrically coupled to a first voltage signal terminal, and a gate electrically coupled to a second terminal of the storage capacitor; and a second transistor having a first electrode electrically coupled to the second terminal of the storage capacitor, a second electrode electrically coupled to a second electrode of the first transistor, and a gate coupled to receive a second control signal. A threshold voltage of the first transistor is compensated through the first control signal, the second control signal and a voltage signal applied at the first voltage signal terminal.
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公开(公告)号：US20250107362A1
公开(公告)日：2025-03-27
申请号：US18727637
申请日：2023-03-30
Inventor： Mengqi Wang , Ziyang Yu , Zhiliang Jiang , Rong Wang , Ming Hu , Haijun Qiu , Xiangdan Dong , Jun Yan , Fan He
IPC: H10K59/131
Abstract: A display substrate has a fan-out area and includes a plurality of conductive layers. The plurality of conductive layers include data lines, connection lines and fan-out lines. A connection line is electrically connected to a first data line, and crosses at least one data line and is insulated from the crossed data line. A first fan-out line is electrically connected to the connection line. A second fan-out line is electrically connected to a second data line. The first fan-out line includes a transfer line, and is located in a different conductive layer from second fan-out lines and crosses at least one second fan-out line. An order of arrangement of ends of the fan-out lines away from the display area in a first direction is same as an order of arrangement of the data lines in the first direction.
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公开(公告)号：US20250095572A1
公开(公告)日：2025-03-20
申请号：US18560980
申请日：2023-02-24
Inventor： Wenbo Chen , Quanyong Gu , Ziyang Yu , Zhiliang Jiang , Ming Hu
IPC: G09G3/3233
Abstract: A pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a light-emitting element, a driving circuit, and a data writing circuit; the data writing circuit is electrically connected to a first scanning terminal, a data line and a first terminal of the driving circuit, and is configured to write a data voltage provided by the data line into the first terminal of the driving circuit under control of a first scanning signal provided by the first scanning terminal during a data writing phase included in a refresh frame, and write a reset voltage provided by the data line into the first terminal of the driving circuit under control of the first scanning signal during a reset phase included in a hold frame; the driving circuit is configured to drive the light-emitting element under control of a potential of a control terminal thereof.
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