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.

Patent No.:

US 7379054 B1

PDF
Full Text
Expired
Date of Patent:
May. 27, 2008

Filed:

Jul. 17, 2003
Applicant:

Yu-tuan Lee, Taipei, TW;

Inventor:

Yu-Tuan Lee, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01); G09G 3/36 (2006.01); G08C 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A touch-control method of an LCD is provided. During the idling time in-between the writing periods, the first touch-position sensing step detects the values of liquid crystal capacitances formed between the scan lines and the counter electrode, and detects a scan-line-direction touch position (Y) according to the values of the liquid crystal capacitances formed between the scan lines and the counter electrode. The charging step charges a voltage signal into each of the data lines needed to be detected after the scan-line-direction touch position (Y) is detected. After the voltage signal is charged, the second touch-position sensing step detects the values of liquid crystal capacitance formed between the data lines and the counter electrode, and detects a data-line-direction touch position (X) according to the values of the liquid crystal capacitance formed between the data lines and the counter electrode.


Find Patent Forward Citations

Lee, Yu-Tuan. (2008). Lcd and touch-control method thereof (U.S. Patent No. 7379054). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7379054

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