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:
Sep. 18, 2018

Filed:

Aug. 18, 2015
Applicant:

Himax Technologies Limited, Tainan, TW;

Inventors:

Guan-Ying Huang, Tainan, TW;

Yaw-Guang Chang, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G02F 1/1333 (2006.01); G06F 3/044 (2006.01); G09G 3/36 (2006.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0416 (2013.01); G02F 1/13338 (2013.01); G06F 1/16 (2013.01); G06F 3/044 (2013.01); G06F 3/0412 (2013.01); G09G 3/3655 (2013.01); G09G 2354/00 (2013.01);
Abstract

A driver integrated circuit (IC) is arranged to selectively operate in a display mode and a touch-sensing mode when the driver IC is coupled to a touch display panel. When the driver IC operates in the display mode, the driver IC controls a plurality of common voltage lines of the touch display panel to have a common voltage. When the driver IC operates in the touch-sensing mode, the driver IC controls a first source line of the touch display panel which corresponds to a specific common voltage line, or controls a neighboring common voltage line of the specific common voltage line, to have a first signal pattern the same as the first signal pattern on the specific voltage line or to be floating, wherein the specific common voltage line is arranged to detect touch currently.


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