公开(公告)号：US20240304266A1

公开(公告)日：2024-09-12

申请号：US18245030

申请日：2022-05-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Guangliang SHANG ,  Jianchao ZHU ,  Zhenzhen SHAN ,  Xing YAO

IPC: G11C19/28 ,  G09G3/3225

CPC classification number: G11C19/287 ,  G09G3/3225 ,  G09G2300/0426 ,  G09G2310/0286

Abstract: A shift register unit includes: an input circuit configured to provide an input signal to a first node in response to a first clock signal; a reset circuit configured to provide a first reference signal to a second node in response to a second clock signal; a first control circuit configured to provide the second clock signal to the second node in response to a first control signal; an output circuit configured to provide a third clock signal to a drive output terminal in response to a signal of the first node, and provide a second reference signal to the drive output terminal in response to a signal of the second node; where a duration of an active level of the first control signal is longer than a duration of an active level of a signal of the drive output terminal.

公开(公告)号：US20240144884A1

公开(公告)日：2024-05-02

申请号：US18274958

申请日：2022-07-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan LU ,  Libin LIU ,  Zhenzhen SHAN ,  Shiming SHI

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/062 ,  G09G2310/08

Abstract: Provided are a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit, a storage sub-circuit, a first reset sub-circuit, a second reset sub-circuit. The driving sub-circuit and the storage sub-circuit are connected at a first node; the data writing sub-circuit and the storage sub-circuit are connected at a second node; the first reset sub-circuit includes a first transistor having a control electrode connected with a first reset signal line, a first electrode connected with a first initialization signal line, and a second electrode connected with the first node; the threshold compensation sub-circuit includes a second transistor having a first electrode connected with the first node, a second electrode connected with the second node, and a control electrode connected with a second scan line; the first transistor and/or the second transistor includes an oxide thin film transistor.

公开(公告)号：US20240290271A1

公开(公告)日：2024-08-29

申请号：US18044967

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhenzhen SHAN ,  Jiangnan LU ,  Guangliang SHANG ,  Libin LIU ,  Jianchao ZHU ,  Xing YAO

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2300/0426

Abstract: A display substrate includes a driving module arranged on the base substrate, the driving module includes a plurality of driving units, and the driving unit includes a plurality of stages of driving circuits; the driving unit includes a first signal line, and the driving circuit includes an output sub-circuit; the display substrate includes at least two metal layers stacked along a direction away from the base substrate; in at least one driving unit, an orthographic projection of the first signal line on the base substrate at least partially overlaps an orthographic projection of a first electrode or a second electrode of at least one transistor included in the output sub-circuit on the base substrate, the first electrode and the second electrode are arranged on the same metal layer, and the first electrode and the first signal line are arranged on different metal layers.