US 11,953,772 B2
Touch driving device and touch sensing device including same
Sun Young Park, Daejeon (KR)
Assigned to LX SEMICON CO., LTD., Daejeon (KR)
Filed by LX SEMICON CO., LTD., Daejeon (KR)
Filed on Mar. 13, 2023, as Appl. No. 18/182,595.
Claims priority of application No. 10-2022-0077569 (KR), filed on Jun. 24, 2022.
Prior Publication US 2023/0418100 A1, Dec. 28, 2023
Int. Cl. G02F 1/1333 (2006.01)
CPC G02F 1/13338 (2013.01) 19 Claims
OG exemplary drawing
 
1. A touch driving device comprising:
a touch sensing circuit configured to receive a touch sensing signal from a touch panel including a first touch panel and a second touch panel; and
a plurality of driving device pads connected to the touch panel and selectively connected to the touch sensing circuit,
wherein the plurality of driving device pads are divided into a first driving device pad, a second driving device pad, and a third driving device pad, and
when the touch sensing signal is received from the first touch panel through the first and second driving device pads, the touch sensing circuit connected to the third driving device pad is turned off.