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:
Feb. 04, 2025

Filed:

Mar. 14, 2024
Applicant:

Auo Corporation, Hsin-Chu, TW;

Inventors:

Heng-Yi Tseng, Hsin-Chu, TW;

Yi-Han Tseng, Hsin-Chu, TW;

Yi-Jyun Ke, Hsin-Chu, TW;

Kun-Cheng Tien, Hsin-Chu, TW;

Assignee:

AUO CORPORATION, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3629 (2013.01); G09G 2300/0486 (2013.01); G09G 2310/061 (2013.01);
Abstract

A method for driving a cholesteric liquid crystal display, wherein the method includes steps as follows: Firstly, a reflective cholesteric liquid crystal panel including a pixel array composed of a plurality of pixel units is provided. Next, a scanning operation is performed on the pixel array. The scanning operation includes steps as follows: A continuous fixed pulse is applied to at least one of the plurality of pixel units lasting for a time period, so as to make a cholesterol liquid crystal layer of the at least one of the plurality of pixel units having a uniform lying helix (ULH) phase; and a maintaining pulse that is smaller than the continuous fixed pulse is applied to the at least one of the plurality of pixel units.


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