US 12,148,362 B2
Input sensing device and display device including the same
Kyowon Ku, Yongin-si (KR); and Sanghyun Lim, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 16, 2023, as Appl. No. 18/234,792.
Claims priority of application No. 10-2022-0131516 (KR), filed on Oct. 13, 2022.
Prior Publication US 2024/0127740 A1, Apr. 18, 2024
Int. Cl. G09G 3/32 (2016.01)
CPC G09G 3/32 (2013.01) 20 Claims
OG exemplary drawing
 
1. An input sensing device comprising:
an input sensor including a transmission electrode, a first reception electrode, and a second reception electrode; and
a readout circuit configured to provide a transmit signal to the transmission electrode, to receive a first receive signal from the first reception electrode, and to receive a second receive signal from the second reception electrode,
wherein the readout circuit includes:
a switching circuit configured to transfer the first receive signal and the second receive signal to a first node and a second node, respectively, during a touch sensing period and to transfer one of the first receive signal and the second receive signal to the first node and the second node during a compensation period;
a first output circuit configured to convert a signal of the first node into a first sensing signal; and
a second output circuit configured to convert a signal of the second node into a second sensing signal.