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公开(公告)号：US20240346973A1
公开(公告)日：2024-10-17
申请号：US18754789
申请日：2024-06-26
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0286 , G09G2310/061 , G09G2310/08
Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, a first control circuit, a blanking control circuit, a first output circuit, and a second output circuit. The input circuit is configured to control a level of a first node; the first control circuit is configured to control a level of the second node; the blanking control circuit is configured to control the level of the first node and the level of the second node; the first output circuit is configured to output a first output signal at the first output terminal; and the second output circuit is configured to output a second output signal at the second output terminal under control of the level of the second node.
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公开(公告)号：US20240233650A1
公开(公告)日：2024-07-11
申请号：US17921677
申请日：2021-11-08
Inventor： Zhidong YUAN , Yongqian LI , Pan XU , Can YUAN
IPC: G09G3/3266 , G09G3/20 , G09G3/3233 , G11C19/28
CPC classification number: G09G3/3266 , G09G3/2096 , G09G3/3233 , G11C19/28 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/08 , G09G2340/00
Abstract: A light-emitting control shift register includes an input circuit, a pulse width adjustment circuit, a pull-up circuit, a pull-down control circuit and a pull-down circuit. The input circuit is configured to output a signal of a first signal input terminal. The pulse width adjustment circuit is configured to transmit the signal output from the input circuit to a pull-up node, and is further configured to output a signal of a second clock signal terminal to the pull-up node. The pull-up circuit is configured to output a voltage of a first voltage terminal to a signal output terminal. The pull-down control circuit is configured to output the voltage of the first voltage terminal, and is further configured to output a voltage of a second voltage terminal. The pull-down circuit is configured to pull down a voltage of the signal output terminal to the voltage of the second voltage terminal.
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公开(公告)号：US20240203357A1
公开(公告)日：2024-06-20
申请号：US17802580
申请日：2021-04-01
Inventor： Xuehuan FENG , Yongqian LI , Pan XU
IPC: G09G3/3266 , G11C19/28
CPC classification number: G09G3/3266 , G11C19/28 , G09G2300/0426 , G09G2300/0842 , G09G2310/0286 , G09G2310/08
Abstract: A display panel has a display area and a fan-out region. The display panel includes: a substrate; a scan driving circuit including shift registers and clock signal lines, sub-pixels and signal transmission lines that are located in the display area; and a power supply voltage bus and connection lines that are located in the fan-out region. The sub-pixels are arranged in rows and columns, sub-pixels in a column are arranged along a second direction. A signal transmission line is electrically connected to column(s) of sub-pixels. The connection lines include first connection sub-lines, second connection sub-lines and third connection sub-lines that extend along the second direction and are located away from the sub-pixels. A first connection sub-line, a second connection sub-line and a third connection sub-line are electrically connected to the signal transmission line, the power supply voltage bus, and a clock signal line, respectively.
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公开(公告)号：US20240087516A1
公开(公告)日：2024-03-14
申请号：US17767757
申请日：2021-05-13
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
IPC: G09G3/3233 , G09G3/3266 , H10K59/131
CPC classification number: G09G3/3233 , G09G3/3266 , H10K59/131 , G09G2310/061 , G09G2320/0204
Abstract: Provided is a display substrate, including: a base substrate; a plurality of sub-pixels arranged in an array on the base substrate, each of the sub-pixels including a light-emitting drive circuit, a reset circuit, a compensation circuit and a light-emitting element; wherein the light-emitting drive circuit and the reset circuit are connected to the light-emitting element, the light-emitting drive circuit is configured to provide a drive signal to the light-emitting element, and the reset circuit is configured to provide a reset signal to the light-emitting element; the compensation circuit is connected to the light-emitting drive circuit, and the compensation circuit is configured to provide a compensation signal to the light-emitting drive circuit; wherein at least two of the sub-pixels share a same target circuit, and the target circuit includes at least one of the reset circuit and the compensation circuit.
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公开(公告)号：US20240071541A1
公开(公告)日：2024-02-29
申请号：US18503575
申请日：2023-11-07
Inventor： Xuehuan FENG , Yongqian LI
CPC classification number: G11C19/28 , G09G3/20 , G09G3/3266 , G09G2310/0267 , G09G2310/0286
Abstract: A shift register includes a first scan unit, a leakage prevention unit, and a leakage prevention input unit. The first scan unit includes a first input circuit configured to transmit an input signal to a first pull-up node. The leakage prevention input unit is configured to: transmit a first voltage signal to a leakage prevention input node; and transmit a second voltage signal to the leakage prevention input node. The first voltage signal and the second voltage signal are different. The leakage prevention unit is configured to transmit one of the first voltage signal and the second voltage signal from the leakage prevention input node to a first leakage prevention node.
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Patent Agency Ranking
公开(公告)号：US20230180547A1
公开(公告)日：2023-06-08
申请号：US17416481
申请日：2020-12-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan XU , Li SUN , Dacheng ZHANG , Lang LIU , Chen XU , Yongqian LI
IPC: H10K59/131 , G02F1/1362
CPC classification number: H10K59/131 , G02F1/136286
Abstract: A display panel and a display device are provided, since a plurality of source ICs (01) are arranged, a large-sized display panel is driven, and since the plurality of source ICs (01) are scattered around a display area (A) along the tangential directions of the edge of the display area (A), that is, the source ICs (01) are distributed according to the shape of the display panel, a distance between the source ICs (01) and the display area (A) is shortened, and thus a narrow bezel design of the display panel is facilitated.
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公开(公告)号：US20230178014A1
公开(公告)日：2023-06-08
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 , G09G2300/0842 , 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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公开(公告)号：US20230122411A1
公开(公告)日：2023-04-20
申请号：US17914466
申请日：2021-11-19
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN , Pan XU
IPC: H10K59/131 , G09G3/3266 , H10K59/121 , H10K59/126 , H10K50/824 , H10K50/813
Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a base substrate and a scan line, a data line, a power supply line, a sensing line, a pixel driving circuit and a light-emitting unit that are sequentially stacked on the base substrate. The array substrate also includes a gate layer, a first conductive layer, a second conductive layer, and a third conductive layer. The first electrode of the storage capacitor is at least disposed at the first conductive layer, and the second electrode of the storage capacitor is at least disposed at the second conductive layer. The data line, the power supply line, and the sensing line are disposed at the third conductive layer.
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公开(公告)号：US20230043145A1
公开(公告)日：2023-02-09
申请号：US17789409
申请日：2021-09-15
Inventor： Zhidong YUAN , Dacheng ZHANG , Can YUAN , Yongqian LI
IPC: H01L27/32 , G09G3/3233
Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure has a display region, and includes a base and a plurality of data lines and a plurality of fan-out traces on the base; each of the plurality of data lines is connected to a corresponding one of the plurality of fan-out traces at a connection node in the display region; and at least one of the plurality of data lines is connected to a corresponding fan-out trace at a plurality of connection nodes.
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公开(公告)号：US20230006023A1
公开(公告)日：2023-01-05
申请号：US17773501
申请日：2021-03-12
Inventor： Can YUAN , Meng LI , Yongqian LI , Zhidong YUAN , Dacheng ZHANG
Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and gate lines extending in a first direction, data lines extending in a second direction and pixel units that are on the base substrate, the first direction intersecting the second direction; each pixel unit including sub-pixels, each sub-pixel including a pixel circuit; the pixel circuit including at least a switching transistor, a drive transistor, a sensing transistor, and a storage capacitor; for each pixel circuit, the switching transistor, the drive transistor, and the sensing transistor therein are all on a same side of the storage capacitor; the switching transistor is at an intersection of the gate line and the data line connected thereto, and the switching transistor is adjacent to the sensing transistor in the first direction and adjacent to the drive transistor in the second direction.
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