US 12,073,038 B2
Touch display device
Chen Cheng Lin, Hsinchu (TW); Mondal Somnath, Hsinchu (TW); Fang Chia Hu, Hsinchu (TW); and Hung Wei Tseng, Hsinchu (TW)
Assigned to E Ink Holdings Inc., Hsinchu (TW)
Filed by E Ink Holdings Inc., Hsinchu (TW)
Filed on Mar. 13, 2023, as Appl. No. 18/182,402.
Claims priority of application No. 111115984 (TW), filed on Apr. 27, 2022.
Prior Publication US 2023/0350509 A1, Nov. 2, 2023
Int. Cl. G06F 3/041 (2006.01); B32B 7/12 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/0412 (2013.01) [B32B 7/12 (2013.01); G06F 3/0445 (2019.05)] 11 Claims
OG exemplary drawing
 
1. A touch display device comprising:
a driving substrate;
a display medium layer disposed on the driving substrate;
a common electrode layer in direct contact with and disposed on the display medium layer, wherein the common electrode layer comprises a plurality of common electrodes, and the two adjacent common electrodes have a spacing between each other;
a touch electrode layer disposed on the display medium layer, wherein the touch electrode layer and the common electrode layer define a touch structure layer;
a protective layer disposed on the touch electrode layer;
a barrier layer disposed on the common electrode layer;
a first substrate disposed on the barrier layer;
an optical adhesive layer disposed on the first substrate; and
a second substrate disposed on the optical adhesive layer, wherein the touch electrode layer is located between the second substrate and the optical adhesive layer, and the common electrode layer, the barrier layer, the first substrate, the optical adhesive layer, the touch electrode layer, and the second substrate define the touch structure layer.