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:
Jun. 14, 2022

Filed:

Jul. 20, 2021
Applicant:

Hannstar Display Corporation, Taipei, TW;

Inventors:

I-Hsuan Chen, Kaohsiung, TW;

Mu-Kai Kang, Tainan, TW;

Cheng-Yen Yeh, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/047 (2006.01); G06F 3/044 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/044 (2013.01); G06F 3/047 (2013.01); G06F 3/0416 (2013.01); G02F 1/13338 (2013.01); G06F 2203/04111 (2013.01);
Abstract

A touch display device includes a substrate, a plurality of touch electrodes, a plurality of touch signal lines and a plurality of dummy signal lines disposed on the substrate. The touch electrodes are arranged in i number of touch electrode columns and j number of touch electrode rows, the touch signal lines and the dummy signal lines are divided into i number of groups, each of the groups includes j number of touch signal lines and k number of dummy signal lines, and j number of touch signal lines are disposed between a portion of the k number of dummy signal lines and a remaining portion of the k number of dummy signal lines in each of the i number of groups, wherein i, j, and k are positive integers greater than or equal to two.


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