US 12,033,420 B2
Display device
Ji Hun Ryu, Yongin-si (KR); Kwang Hyun Baek, Yongin-si (KR); Su Yul Seo, Yongin-si (KR); Dong Hwan Lee, Yongin-si (KR); Jae Hyung Jo, Yongin-si (KR); and Sung Ho Jin, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 19, 2021, as Appl. No. 17/206,294.
Claims priority of application No. 10-2020-0076720 (KR), filed on Jun. 23, 2020.
Prior Publication US 2021/0397803 A1, Dec. 23, 2021
Int. Cl. G06V 40/13 (2022.01); G06F 1/16 (2006.01); G06F 21/32 (2013.01); G06F 21/84 (2013.01)
CPC G06V 40/1306 (2022.01) [G06F 1/1652 (2013.01); G06F 21/32 (2013.01); G06F 21/84 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a display area;
a cover panel disposed on a rear surface of the display panel, wherein
the cover panel includes an upper layer and a support member, and wherein
the upper layer includes an opening surrounding a sensing area of the display panel in a plan view;
a fingerprint sensor disposed on the rear surface of the display panel in the opening of the cover panel, wherein
the fingerprint sensor includes a base layer and a sensor layer; and
a reinforcing member disposed on a rear surface of the base layer, wherein
the reinforcing member includes a sidewall and a bottom portion that extends from the sidewall, wherein
the sidewall surrounds the sensor layer in each direction in the plan view, and overlaps the base layer in the plan view, wherein
the sidewall is spaced apart from the sensor layer and from the upper layer of the cover panel in each direction in the plan view, wherein
the bottom portion of the reinforcing member overlaps the support member in the plan view and is spaced apart from a rear surface of the sensor layer in a sectional view, wherein
the reinforcing member is spaced apart from the sensor layer by an air gap that extends from the rear surface of the sensor layer to the bottom portion of the reinforcing member in the sectional view, and wherein
the base layer surrounds the sidewall of the reinforcing member in each direction of the plan view.