US 12,346,513 B2
Touch display device
Hung-Yu Tsai, Yilan County (TW); Pei-Hung Lin, Yilan County (TW); and Ju-Ting Huang, Yilan County (TW)
Assigned to HIGGSTEC INC., Yilan County (TW)
Filed by HIGGSTEC INC., Yilan County (TW)
Filed on Nov. 20, 2023, as Appl. No. 18/514,239.
Prior Publication US 2025/0165088 A1, May 22, 2025
Int. Cl. G06F 3/042 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0412 (2013.01) 10 Claims
OG exemplary drawing
 
1. A touch display device, which is a layered structure and comprising a touch surface, a touch portion, and a display portion, the touch surface located above the touch portion, the touch portion located above the display portion, and the touch display device further comprising a first light energy filter layer and a second light energy filter layer, and the first light energy filter layer and the second light energy filter layer acts on different optical bands;
wherein the first light energy filter layers is located below the touch surface, and the second light energy filter layer is located below the first light energy filter layer, and wherein an optical band wavelength acted upon by the first light energy filter layer is smaller than an optical band wavelength acted upon by the second light energy filter layer; and
wherein the first light energy filter layer is configured to provide protection for the touch portion and the display portion comprised in the layered structure, and the second light energy filter layer is configured to provide protection at least for the display portion comprised in the layered structure.