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:
Jun. 07, 2022
Filed:
Feb. 19, 2021
Himax Technologies Limited, Tainan, TW;
Chin-Yuan Chiang, Tainan, TW;
Ho-Chia Hung, Tainan, TW;
Li-Lin Liu, Tainan, TW;
Chung-Wen Chang, Tainan, TW;
Shen-Feng Tai, Tainan, TW;
HIMAX TECHNOLOGIES LIMITED, Tainan, TW;
Abstract
A touch display apparatus is disclosed, which includes a touch display panel and a driving circuit. The touch display panel is configured for display and touch sensing, which includes plural touch sensing pads arranged in touch sensing groups. The driving circuit is coupled to the touch display panel, and is configured to drive the touch display panel to perform display with respect to common voltage signal at a display stage of a frame period and to drive the touch display panel to perform touch sensing by applying a touch detection signal to all of the touch sensing pads simultaneously at a touch sensing stage of the frame period.