US 12,008,180 B2
Display device including a fingerprint sensor
Su Yul Seo, Incheon (KR); Ji Hun Ryu, Hwaseong-si (KR); Kwang Hyun Baek, Asan-si (KR); Kyung Min Choi, Seoul (KR); Won Ki Hong, Suwon-si (KR); and Jeong An Hong, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 15, 2022, as Appl. No. 17/819,944.
Claims priority of application No. 10-2021-0177703 (KR), filed on Dec. 13, 2021.
Prior Publication US 2023/0185390 A1, Jun. 15, 2023
Int. Cl. G06F 3/041 (2006.01); G06V 40/13 (2022.01)
CPC G06F 3/0412 (2013.01) [G06V 40/1306 (2022.01)] 20 Claims
OG exemplary drawing
 
16. A display device, comprising:
a display panel;
a metal plate disposed on a bottom surface of the display panel and comprising a top surface facing the bottom surface of the display panel and a bottom surface opposite to the top surface; and
a fingerprint sensor disposed on the bottom surface of the metal plate,
wherein the metal plate comprises a recess recessed in a direction from the bottom surface of the metal plate in a direction toward the top surface of the metal plate,
wherein the fingerprint sensor overlaps the recess,
wherein a roughness of the bottom surface of the metal plate where the recess is formed is greater than a roughness of the bottom surface of the metal plate where the recess is not formed, and
wherein a folding area and a non-folding area in a periphery of the folding area are defined in the display panel and the fingerprint sensor overlaps the non-folding area.