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:
Oct. 24, 2023

Filed:

Jan. 19, 2020
Applicant:

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

Inventors:

Xitong Ma, Beijing, CN;

Lihua Geng, Beijing, CN;

Yanfu Li, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 5/36 (2006.01); G09G 5/399 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 5/363 (2013.01); G09G 5/399 (2013.01); G09G 2310/08 (2013.01); G09G 2360/121 (2013.01); G09G 2360/128 (2013.01);
Abstract

A display driving device and a control method thereof, and a display device. The control method includes: generating, by the master processing chip, a read/write synchronization signal, and receiving, by each of the slave processing chip, the read/write synchronization signal; in response to the read/write synchronization signal, caching, by the master processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, reading and processing cached display data of a previous to-be-displayed frame image and transmitting the processed display data; and in response to the read/write synchronization signal, caching synchronously, by each of the slave processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, and reading and processing synchronously cached display data of the previous to-be-displayed frame image and transmitting the processed display data.


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