US 12,487,705 B2
Display device and inspecting method thereof
Soo Won Kim, Yongin-si (KR); Il Ho Lee, Yongin-si (KR); and Wan Kee Jun, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Sep. 9, 2024, as Appl. No. 18/828,636.
Claims priority of application No. 10-2023-0153805 (KR), filed on Nov. 8, 2023.
Prior Publication US 2025/0147625 A1, May 8, 2025
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/0418 (2013.01) [G06F 3/0446 (2019.05)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a touch sensor comprising a touch panel and a touch controller; and
a crystal unit connected to the touch controller,
wherein the touch controller comprises:
a plurality of sensing channels connected to the touch panel; and
a feedback circuit,
wherein the crystal unit is connected to at least one of the sensing channels in a first mode, and is connected to the feedback circuit in a second mode.