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. 15, 2022

Filed:

Mar. 16, 2021
Applicant:

Qisda Corporation, Taoyuan, TW;

Inventors:

Wei-Jou Chen, Taoyuan, TW;

Chen-Yang Hu, Taoyuan, TW;

Assignee:

Qisda Corporation, Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G09G 2320/064 (2013.01);
Abstract

An operation method of a backlight module is disclosed. The operation method includes: determining whether a first video synchronization signal is received; in response to a determination that the first video synchronization signal is received, activating a counter, and controlling the backlight module to emit light a specific number of times at a first brightness for a first time period; determining whether the counter is timeout and a second video synchronization signal is not received; and in response to a determination that the counter is timeout and the second video synchronization signal is not received, controlling the backlight module to switch between lighting and not lighting multiple times within a second time period.


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