The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 18, 2025

Filed:

Apr. 17, 2024
Applicants:

Chongqing Boe Optoelectronics Technology Co., Ltd., Chongqing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Technology Development Co., Ltd., Beijing, CN;

Inventors:

Xiaolin Wang, Beijing, CN;

Pengcheng Fu, Beijing, CN;

Taeyup Min, Beijing, CN;

Zhifu Dong, Beijing, CN;

Hui Guo, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/3266 (2016.01); G09G 3/20 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G11C 19/28 (2013.01); G09G 2300/0408 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0286 (2013.01); G09G 2320/043 (2013.01); G09G 2330/04 (2013.01);
Abstract

A display substrate and a display device are provided, the display substrate includes a base substrate, and a shift register and a clock signal line that are on the base substrate; the shift register includes an input circuit, an output circuit, a first control circuit, a second control circuit, a first noise reduction circuit and a second noise reduction circuit; the input circuit includes a first transistor and a second transistor, the first transistor and the second transistor are both oxide transistors, and the second node is connected to the second voltage signal only through the second control circuit, and a potential of the second node is pulled down only through the second control circuit.


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