US 11,886,671 B2
Touch sensor and display device including the same
Hyung Bae Kim, Yongin-si (KR); Min Hong Kim, Yongin-si (KR); Sang Kook Kim, Yongin-si (KR); Tae Joon Kim, Yongin-si (KR); Jae Hyun Park, Yongin-si (KR); Ji Yeong Lee, Yongin-si (KR); and Hyun Wook Cho, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 16, 2022, as Appl. No. 17/807,166.
Claims priority of application No. 10-2021-0158018 (KR), filed on Nov. 16, 2021.
Prior Publication US 2023/0152928 A1, May 18, 2023
Int. Cl. G06F 3/044 (2006.01); G06F 3/041 (2006.01)
CPC G06F 3/0443 (2019.05) [G06F 3/0446 (2019.05); G06F 3/04164 (2019.05)] 23 Claims
OG exemplary drawing
 
1. A touch sensor, comprising:
first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern that is disposed within a first dummy pattern area; and
second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern that is disposed within a second dummy pattern area,
wherein a fingerprint sensor overlaps the second touch sensing area but not the first touch sensing area,
wherein an area of the first touch sensing area is greater than an area of the second touch sensing area, and
wherein an area of the first dummy pattern area in the first touch sensing area that does not overlap the fingerprint sensor is greater than an area of the second dummy pattern area in the second touch sensing area that overlaps the fingerprint sensor.