US 12,189,877 B1
Touch display panel and manufacturing method therefor
Li-xiao Kong, Kunshan (CN); Xin Liu, Kunshan (CN); Chun-Da Tu, Hsin-Chu (TW); and Fu Liang Lin, Hsin-Chu (TW)
Assigned to AUO Corporation, Hsinchu (TW)
Filed by AUO Corporation, Hsinchu (TW)
Filed on Nov. 13, 2023, as Appl. No. 18/388,999.
Claims priority of application No. 202311253324.1 (CN), filed on Sep. 26, 2023.
Int. Cl. G06F 3/041 (2006.01)
CPC G06F 3/0412 (2013.01) [G06F 3/04164 (2019.05); G06F 2203/04103 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A touch display panel, comprising:
a substrate;
a display region disposed on the substrate;
an opening region disposed on the substrate and adjacent to the display region;
a plurality of touch electrodes disposed in the display region;
a plurality of signal lines electrically connected to the touch electrodes;
a common voltage loop surrounding the display region and having a first portion and a second portion spaced apart and adjacent to the opening region;
a connection structure disposed between the first portion and the second portion; and
a plurality of first dummy signal lines electrically connected to the connection structure; wherein,
the first portion is electrically connected to the second portion through the connection structure.