公开(公告)号：US20240029660A1

公开(公告)日：2024-01-25

申请号：US18464404

申请日：2023-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan LU ,  Can ZHENG

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

CPC classification number: G09G3/3266 ,  H10K59/131 ,  G11C19/28 ,  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：US20230154401A1

公开(公告)日：2023-05-18

申请号：US17621861

申请日：2021-01-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mei LI ,  Tian DONG ,  Li WANG ,  Guangliang SHANG ,  Can ZHENG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2320/0214

Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a first transistor, the pixel unit including a first pixel unit and a second pixel unit located in a same row and adjacent columns; a first gate line and a second gate line, connected to gate electrodes of the first transistors of the first pixel unit and the second pixel unit; a first gate signal line, connected to the first pixel unit; a second gate signal line, connected to the second pixel unit; a first connection line connected with the first gate signal line through the first connection line; and a second connection line connected with the second gate signal line through the second connection line.

公开(公告)号：US20230147984A1

公开(公告)日：2023-05-11

申请号：US18092974

申请日：2023-01-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/0286

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：US20230042966A1

公开(公告)日：2023-02-09

申请号：US17793841

申请日：2021-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Li WANG ,  Can ZHENG ,  Tian DONG ,  Libin LIU

IPC: G09G3/3258

Abstract: A pixel driving circuit includes: an energy storage sub-circuit, a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, and a current leakage suppression sub-circuit. The energy storage sub-circuit is coupled to a first node and a second node. The reset sub-circuit is coupled to the second node, a first scan timing signal terminal, and an initialization signal terminal. The compensation sub-circuit is coupled to the second node, a third node, and a second scan timing signal terminal. The driving sub-circuit is coupled to the second node, the third node, and a first voltage signal terminal. The current leakage suppression sub-circuit is coupled to the energy storage sub-circuit, the reset sub-circuit, and the compensation sub-circuit. The current leakage suppression sub-circuit is configured to suppress current leakage of the energy storage sub-circuit in a process of generating and transmitting the driving signal by the driving sub-circuit.

公开(公告)号：US20220351666A1

公开(公告)日：2022-11-03

申请号：US17594771

申请日：2020-10-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG ,  Can ZHENG ,  Li WANG ,  Long HAN ,  Yu FENG ,  Hao ZHANG ,  Jiangnan LU ,  Jie ZHANG ,  Bo WANG ,  Jingquan WANG

IPC: G09G3/20

Abstract: The display panel includes a plurality of rows and a plurality of columns of pixel circuits, a plurality of rows of gate lines, a plurality rows of reset control lines, and a plurality of columns of data lines, a same row of pixel circuits corresponds to two rows of gate lines, and one/the other row of gate line is electrically connected to odd/even-numbered columns of pixel circuits in the row of pixel circuits, and provides a corresponding gate driving signal for the odd/even-numbered columns of pixel circuits; a same column of pixel circuits corresponds to two columns of data lines, and one/the other column of data line of the two columns of data lines is electrically connected to odd/even-numbered rows of pixel circuits, and provides a corresponding data voltage for the odd/even-numbered rows of pixel circuits.

公开(公告)号：US20220199022A1

公开(公告)日：2022-06-23

申请号：US17599387

申请日：2021-01-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Libin LIU ,  Can ZHENG

IPC: G09G3/3233

Abstract: The present disclosure provides a display panel, a pixel circuit and a method for driving the pixel circuit, the pixel circuit includes: a storage capacitor circuit; a light-emitting element; a driving transistor; a reset circuit, the reset circuit is configured to receive a reset control signal and reset a first node and a second node according to the reset control signal, or receive a writing control signal and/or a timing sequence control signal of an adjacent pixel row and reset the first node and the second node according to the writing control signal and/or the timing sequence control signal of the adjacent pixel row; a threshold compensation circuit, configured to receive a compensation control signal and write a compensation voltage into the first node according to the compensation control signal; a writing circuit; and a light-emitting control circuit.

公开(公告)号：US20210358367A1

公开(公告)日：2021-11-18

申请号：US16613125

申请日：2019-05-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG

IPC: G09G3/20 ,  G11C19/28

Abstract: A shift register and a driving method thereof, a gate drive circuit, and a display device are provided. The shift register includes: an input circuit, configured to input an input voltage provided by the input voltage terminal to an intermediate circuit under control of a first clock signal provided by the first clock signal terminal; the intermediate circuit, configured to write a second clock signal output by the second clock signal terminal or a first power signal output by the first power terminal to the intermediate output terminal as an intermediate output signal under control of the input voltage and the control circuit; and an output circuit, configured to output an output signal, a phase of which is opposite to a phase of the intermediate output signal.

公开(公告)号：US20180091151A1

公开(公告)日：2018-03-29

申请号：US15519966

申请日：2016-10-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHENG ,  Song SONG

IPC: H03K19/096 ,  G09G3/3266 ,  G11C19/28

CPC classification number: H03K19/096 ,  G09G3/3266 ,  G11C19/184 ,  G11C19/28

Abstract: Embodiments of the present disclosure provide a shift register and a driving method thereof, a gate driving circuit and a display device. The shift register includes a control signal generation module, a first low level pulse generation module, a second low level pulse generation module, and a high level pulse generation module. The control signal generation module generates a first control signal and a second control signal. The first low level pulse generation module receives the first control signal and the second control signal and generate a first low level pulse signal. The second low level pulse generation module receives the first control signal and the second control signal and generate a second low level pulse signal. The high level pulse generation module receives the first control signal and generates a high level pulse signal. This shift register reduces the number of circuit elements.

公开(公告)号：US20180090064A1

公开(公告)日：2018-03-29

申请号：US15521564

申请日：2016-08-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying LIU ,  Chenggeng ZHANG ,  Zhaohui MENG ,  Hongwei TIAN ,  Juanjuan BAI ,  Meng SHAO ,  Wen SUN ,  Can ZHENG ,  Hualing YANG

IPC: G09G3/3233

Abstract: A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (DTFT) for driving a display element is turned off by jumping one or more of a reference voltage input (Vref), a reset voltage input (Vinit) and a data signal input (Vdata) before beginning to output an EL high level (ELVDD) of a pixel compensation circuit and after beginning to output an EL low level (ELVSS), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.

公开(公告)号：US20250095579A1

公开(公告)日：2025-03-20

申请号：US18964486

申请日：2024-12-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.