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:
May. 03, 2022

Filed:

Jul. 01, 2021
Applicant:

Yungu (Gu'an) Technology Co., Ltd., Langfang, CN;

Inventors:

Xinquan Chen, Langfang, CN;

Xiaobao Zhang, Langfang, CN;

Zheng Wang, Langfang, CN;

Wei Ding, Langfang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G06V 40/13 (2022.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G06V 40/1318 (2022.01); G09G 2320/0276 (2013.01); G09G 2320/0626 (2013.01);
Abstract

A display device includes: a screen body, including a first display area and a second display area; and a display driving chip; wherein the display driving chip includes: a first preset grayscale generation module, configured to generate a first preset grayscale voltage; a second grayscale generation module, configured to calculate the grayscale required by each pixel unit in the second display area according to image data, and generate a grayscale voltage range including a plurality of grayscale voltages; a grayscale driving module and configured to select the grayscale voltage corresponding to the grayscale required by each pixel unit in the second display area from the grayscale voltage range; and, a first control module, electrically connected to the grayscale driving module, configured to control the grayscale driving module to allocate the first preset grayscale voltage to all pixel units in the first display area.


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