US 11,893,944 B2
Display device with reduced discontinuity of image at boundary between sensor region and display region and method of driving the same
Yoo Min Ko, Yongin-si (KR); Dong Hyun Kim, Yongin-si (KR); Dong Hwan Shim, Yongin-si (KR); and Seung Chan Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 18, 2020, as Appl. No. 16/996,313.
Claims priority of application No. 10-2019-0102548 (KR), filed on Aug. 21, 2019.
Prior Publication US 2021/0056913 A1, Feb. 25, 2021
Int. Cl. H10K 59/121 (2023.01); G09G 3/3208 (2016.01); G09G 3/3275 (2016.01); G06F 1/16 (2006.01); H10K 59/35 (2023.01)
CPC G09G 3/3275 (2013.01) [G06F 1/1605 (2013.01); G06F 1/1686 (2013.01); G09G 3/3208 (2013.01); H10K 59/121 (2023.02); H10K 59/353 (2023.02); G09G 2320/0626 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a display panel including a first display region having first pixels, a second display region having second pixels, and a third display region located between the first and second display regions and having third pixels; and
a light sensor disposed between the substrate and the display panel and which overlaps the second display region and does not overlap the first and third display regions in a plan view,
wherein the third display region does not have any light sensors, and
wherein the first and third pixels have the same material and layout and are disposed at a first density in the first display region and the third display region, respectively, and the second pixels are disposed at a second density smaller than the first density in the second display region,
the third display region surrounds an entirety of the second display region,
the third display region comprises a first group of unit pixel regions and a second group of unit pixel regions arranged to alternate with each other,
the first group of unit pixel regions is controlled to emit light during a first display period and the second group of unit pixel regions is controlled to emit light during a second display period, and
the first display period and the second display period are alternately repeated.