US 12,067,803 B2
Fingerprint sensor and display device including the same
Soo Jung Lee, Yongin-si (KR); Keum Dong Jung, Yongin-si (KR); Yu Na Kim, Yongin-si (KR); and Il Nam Kim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 3, 2023, as Appl. No. 18/177,968.
Application 18/177,968 is a division of application No. 16/796,341, filed on Feb. 20, 2020, granted, now 11,600,096.
Claims priority of application No. 10-2019-0035098 (KR), filed on Mar. 27, 2019.
Prior Publication US 2023/0206682 A1, Jun. 29, 2023
Int. Cl. G06V 40/13 (2022.01); G06V 10/75 (2022.01)
CPC G06V 40/1318 (2022.01) [G06V 40/1306 (2022.01); G06V 10/751 (2022.01)] 18 Claims
OG exemplary drawing
 
1. A fingerprint sensor comprising:
a base substrate including a first sensing region and a second sensing region;
a plurality of first photo sensors disposed on the first sensing region;
a plurality of second photo sensors disposed on the second sensing region; and
a fingerprint detector disposed on the base substrate,
wherein the fingerprint detector is electrically connected to the plurality of first and second sensor photo sensors,
wherein the first sensing region has an area larger than that of the second sensing region,
wherein the plurality of second photo sensors have an arrangement density higher than that of the plurality of first photo sensors,
wherein each of the plurality of first photo sensors has a width wider than that of each of the plurality of second photo sensors,
wherein the base substrate further includes a first region surrounding the first sensing region and the second sensing region,
wherein no photo sensor is provided in the first region,
wherein the fingerprint detector is disposed in the first region, and
wherein the fingerprint detector includes a vertical fingerprint detector disposed adjacent to a long side of the base substrate and a horizontal fingerprint detector disposed adjacent to a short side of the base substrate.