US 11,989,967 B2
Display device having fingerprint sensing function, electronic device including the same, and operation method thereof
Chul Kim, Hwaseong-si (KR); Keumdong Jung, Seoul (KR); KyungTea Park, Seoul (KR); Sunhwa Lee, Yongin-si (KR); Mukyung Jeon, Ulsan (KR); and Sanghyun Heo, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jun. 15, 2023, as Appl. No. 18/210,607.
Application 18/210,607 is a continuation of application No. 17/892,107, filed on Aug. 21, 2022, granted, now 11,715,320.
Application 17/892,107 is a continuation of application No. 16/838,689, filed on Apr. 2, 2020, granted, now 11,423,684, issued on Aug. 23, 2022.
Claims priority of application No. 10-2019-0038997 (KR), filed on Apr. 3, 2019.
Prior Publication US 2023/0326229 A1, Oct. 12, 2023
Int. Cl. G06V 40/13 (2022.01); G06F 3/041 (2006.01); G06V 40/12 (2022.01)
CPC G06V 40/13 (2022.01) [G06F 3/0416 (2013.01); G06V 40/1365 (2022.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a plurality of pixels configured to display an image;
a touch sensing unit configured to sense an external input;
a fingerprint sensing unit comprising a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines;
a fingerprint scan driving circuit comprising a plurality of scan blocks; and
a read-out circuit configured to output a clock signal and a plurality of block selection signals,
wherein:
each of the plurality of scan blocks outputs a plurality of fingerprint scan signals to corresponding fingerprint scan lines among the plurality of fingerprint scan lines in response to the clock signal and a received block selection signal among the plurality of block selection signals,
each of the scan blocks sequentially outputs the plurality of fingerprint scan signals to an active level when the received block selection signal is in an active state; and
each of the scan blocks outputs the plurality of fingerprint scan signals to an inactive level when the received block selection signal is in an inactive state.