US 12,379,817 B2
Touch panel and touch panel manufacturing method
Takao Saitoh, Kameyama (JP); Yohsuke Kanzaki, Kameyama (JP); Masaki Yamanaka, Kameyama (JP); Masahiko Miwa, Kameyama (JP); Yi Sun, Kameyama (JP); and Masaki Fujiwara, Kameyama (JP)
Assigned to Sharp Display Technology Corporation, Kameyama (JP)
Appl. No. 18/704,014
Filed by Sharp Display Technology Corporation, Kameyama (JP)
PCT Filed Dec. 29, 2021, PCT No. PCT/JP2021/049012
§ 371(c)(1), (2) Date Apr. 23, 2024,
PCT Pub. No. WO2023/127157, PCT Pub. Date Jul. 6, 2023.
Prior Publication US 2024/0419290 A1, Dec. 19, 2024
Int. Cl. G06F 3/047 (2006.01)
CPC G06F 3/047 (2013.01) [G06F 2203/04103 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A touch panel, comprising:
a first metal wire formed on an underlayer;
an insulating film formed to cover the first metal wire; and
a second metal wire formed on the insulating film,
wherein the second metal wire has:
a first pattern extending in a first direction, and
a plurality of second patterns formed to be insulated from the first pattern,
the first metal wire has:
a bridge pattern connecting together, in a second direction, a pair of second patterns arranged to sandwich the first pattern, and
a dummy pattern formed to be insulated from the bridge pattern, the second direction intersecting with the first direction, and the pair of second patterns being included in the plurality of second patterns,
the bridge pattern is formed in a V-shaped mesh pattern as a whole,
each of the first pattern, the second pattern, and the dummy pattern is formed in a mesh pattern, and
the dummy pattern is positioned to overlap with the first pattern and the second pattern as a whole.