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.:
Date of Patent:
Oct. 11, 2022
Filed:
Aug. 24, 2021
Applicant:
Himax Technologies Limited, Tainan, TW;
Inventors:
Chun-Kai Chuang, Tainan, TW;
Yu-Ming Liao, Tainan, TW;
Pei-Yuan Hung, Tainan, TW;
Yu-Hsiang Lin, Tainan, TW;
Assignee:
HIMAX TECHNOLOGIES LIMITED, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G09G 3/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/04166 (2019.05); G09G 3/006 (2013.01);
Abstract
A touch display apparatus is disclosed, which includes a touch display panel and a driving circuit coupled to the touch display panel. The touch display panel is configured for display and touch sensing, and includes plural touch sensing pads. The driving circuit is configured to provide a voltage signal with a test pattern to the touch sensing pads, and is configured to determine whether an open circuit or a short circuit exists in the touch display panel from a detected signal in response to the voltage signal.