US 11,817,432 B2
Display device
Sung Geun Bae, Yongin-si (KR); Jeong Nyun Kim, Yongin-si (KR); Zu Seok Oh, Yongin-si (KR); Jeong Hyun Lee, Yongin-si (KR); Jong Chan Lee, Yongin-si (KR); and Da Sol Jeong, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on May 6, 2021, as Appl. No. 17/313,490.
Claims priority of application No. 10-2020-0114160 (KR), filed on Sep. 7, 2020.
Prior Publication US 2022/0077121 A1, Mar. 10, 2022
Int. Cl. H01L 25/075 (2006.01); H01L 27/12 (2006.01); H01L 33/58 (2010.01); H01L 33/60 (2010.01); H01L 33/50 (2010.01)
CPC H01L 25/0753 (2013.01) [H01L 27/1214 (2013.01); H01L 33/507 (2013.01); H01L 33/58 (2013.01); H01L 33/60 (2013.01); H01L 2933/0091 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a base layer including a display area;
a first pixel, a second pixel, and a third pixel that are disposed in the display area and include light-emitting elements disposed in light-emitting areas;
an insulating layer disposed in the display area to cover the light-emitting areas and having a flat surface;
a first light conversion layer, a second light conversion layer, and a third light conversion layer that are disposed on the flat surface of the insulating layer corresponding to the light-emitting areas of the first pixel, the second pixel, and the third pixel, respectively;
a light blocking layer disposed between the first light conversion layer, the second light conversion layer, and the third light conversion layer on the insulating layer and having a height lower than the first light conversion layer, the second light conversion layer, and the third light conversion layer, the light blocking layer surrounding a portion of side surfaces of the first light conversion layer, the second light conversion layer, and the third light conversion layer; and
a first reflective layer disposed on the light blocking layer, the first reflective layer surrounding the first light conversion layer, the second light conversion layer, and the third light conversion layer.