US 11,758,793 B2
Display device including a fingerprint sensor
Yun Ho Kim, Yongin-si (KR); Keum Dong Jung, Yongin-si (KR); Jin Oh Kwag, Yongin-si (KR); Won Sang Park, Yongin-si (KR); Deok Hwa Woo, Yongin-si (KR); Bong Hyun You, Yongin-si (KR); Chul Kim, Yongin-si (KR); Seung Hyun Moon, Yongin-si (KR); Jun Hee Moon, Yongin-si (KR); and Hee Chul Hwang, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 13, 2020, as Appl. No. 16/992,801.
Claims priority of application No. 10-2019-0110917 (KR), filed on Sep. 6, 2019.
Prior Publication US 2021/0073507 A1, Mar. 11, 2021
Int. Cl. G06V 40/13 (2022.01); H10K 59/65 (2023.01); G06V 40/12 (2022.01); H10K 59/12 (2023.01); H01L 27/146 (2006.01)
CPC H10K 59/65 (2023.02) [G06V 40/1318 (2022.01); G06V 40/1388 (2022.01); G06V 40/1394 (2022.01); H10K 59/12 (2023.02); H01L 27/14623 (2013.01); H01L 27/14678 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate including a fingerprint area, the fingerprint area including a first area and a second area, wherein the first area encloses a perimeter of the second area;
a light-emitting element layer disposed on a first surface of the substrate, the light-emitting element layer including light-emitting elements; and
a sensor layer disposed on a second surface of the substrate, the sensor layer including photosensors disposed in an area corresponding to the second area,
wherein the light-emitting elements include a first light-emitting element arranged in the first area and a second light-emitting element arranged in the second area,
wherein during a fingerprint sensing period, the first light-emitting element emits light and the second light-emitting element does not emit light, and
wherein the first light-emitting element and the second light-emitting element are configured to emit light in the same color.