公开(公告)号：US11854489B2

公开(公告)日：2023-12-26

申请号：US17610043

申请日：2021-01-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan Lu ,  Can Zheng

IPC: G09G5/00 ,  G09G3/3266 ,  G11C19/28 ,  H10K59/131

CPC classification number: G09G3/3266 ,  G11C19/28 ,  H10K59/131 ,  G09G2300/0852 ,  G09G2310/0286

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.

公开(公告)号：US11749156B2

公开(公告)日：2023-09-05

申请号：US17373143

申请日：2021-07-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zheng

IPC: G09G3/20 ,  G11C19/18 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/184 ,  G11C19/28 ,  G09G2310/0267 ,  G09G2310/0286

Abstract: A shift register and driving method thereof, a gate driving circuit and a display device are provided. The shift register includes a first input unit, a second input unit, a pull-up control unit, a pull-down control unit, an output control unit and an output reset unit, wherein the first input unit, the second input unit, the pull-up control unit, the pull-down control unit and the output control unit are coupled to a first node, and the pull-up control unit, the pull-down control unit and the output reset unit are coupled to a second node.

公开(公告)号：US11626065B2

公开(公告)日：2023-04-11

申请号：US17440259

申请日：2021-01-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zheng

IPC: G09G3/3208

Abstract: A display substrate includes a display region, a non-display region at a periphery of the display region, pixel units in the display region and arranged in an array, gate lines extending in a row direction of the array, and data lines extending in a column direction of the array. Each row of pixel units is provided with at least one gate line, and each gate line is coupled to at least a part of the pixel units in a corresponding row. Each column of pixel units is provided with at least two data lines, and each data line is coupled to a part of the pixel units in a corresponding column. Each pixel unit is coupled to one gate line and one data line, and two pixel units in a same column and in two adjacent rows are coupled to different data lines, respectively.

公开(公告)号：US11574581B2

公开(公告)日：2023-02-07

申请号：US17696251

申请日：2022-03-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zheng

IPC: G09G3/20

Abstract: A shift register unit, a driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first control circuit, and a second control circuit. The first input circuit is electrically connected to a first node, and is configured to transmit an input signal to the first node; the second input circuit is electrically connected to the first node and a second node, and is configured to control a level of the second node; the first control circuit is electrically connected to the second node and a third node, and is configured to control a level of the third node; and the output circuit is electrically connected to the third node and an output terminal, and is configured to output an output signal to the output terminal.

公开(公告)号：US11170715B2

公开(公告)日：2021-11-09

申请号：US15751267

申请日：2017-06-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Can Zheng ,  Yunfei Li ,  Libin Liu

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3275

Abstract: A pixel circuit, a display panel, a display device and a driving method are provided. The pixel circuit includes: a driving transistor, a first transistor, a first capacitor, the organic light-emitting diode and a switching induced error compensation circuit. The switching induced error compensation circuit is connected with a first node and/or a second node and is configured to compensate a switching induced error of the first transistor.

公开(公告)号：US11170682B2

公开(公告)日：2021-11-09

申请号：US16651816

申请日：2019-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Libin Liu ,  Can Zheng ,  Yipeng Chen ,  Xinshe Yin ,  Shiming Shi

IPC: G09G3/20 ,  G11C19/28

Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.

公开(公告)号：US10964359B2

公开(公告)日：2021-03-30

申请号：US16645697

申请日：2019-08-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zheng

IPC: G11C7/00 ,  G11C7/10 ,  G09G3/20 ,  G11C7/12 ,  G11C7/20 ,  G11C7/22 ,  G11C11/4074

Abstract: Shift register includes input sub-circuit coupling input terminal to first node responsive to signal of first clock terminal in input stage, control sub-circuit transmitting signal of second clock terminal to intermediate output terminal according to level at first node and controlling potential of third node according to potential of intermediate output terminal and signal of third clock terminal in input, output and reset stages, pull-up sub-circuit coupling second level terminal to final output terminal responsive to potential of intermediate output terminal in output stage, first voltage stabilization sub-circuit stabilizing voltage between final output terminal and third node responsive to signal of next-stage node connection terminal, pull-down transistor having gate electrode coupled to third node, first electrode coupled to first level terminal, and second electrode coupled to final output terminal. First voltage stabilization sub-circuit lowers potential of third node to level lower than signal of first level terminal in reset stage.

公开(公告)号：US20160180800A1

公开(公告)日：2016-06-23

申请号：US14895583

申请日：2015-06-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zheng

IPC: G09G5/00 ,  G11C19/28

CPC classification number: G09G5/003 ,  G09G3/20 ,  G09G3/3674 ,  G09G2300/0871 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2330/021 ,  G11C19/28

Abstract: A shift register unit and a driving method, a gate drive circuit and a display device, the shift register unit comprises a first transistor (T1), an input module (10), a first control module (20), a second control module (30) and an output module (40). The shift register unit and driving method, gate drive circuit and display device are capable of solving the problem that the decrease of drive capacity of the shift register unit is caused by loss of the threshold voltage.

Abstract translation: 移位寄存器单元和驱动方法，门驱动电路和显示装置，移位寄存器单元包括第一晶体管（T1），输入模块（10），第一控制模块（20），第二控制模块 30）和输出模块（40）。 移位寄存器单元和驱动方法，栅极驱动电路和显示装置能够解决移位寄存器单元的驱动能力的降低是由阈值电压的损失引起的。

公开(公告)号：US12223893B2

公开(公告)日：2025-02-11

申请号：US17764993

申请日：2021-05-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zheng ,  Li Wang ,  Long Han ,  Jianchao Zhu ,  Libin Liu

IPC: G09G3/32 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35 ,  H10K71/00

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

公开(公告)号：US12148393B2

公开(公告)日：2024-11-19

申请号：US18464404

申请日：2023-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan Lu ,  Can Zheng

IPC: G09G3/00 ,  G09G3/3266 ,  G11C19/28 ,  H10K59/131

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.