US 11,877,478 B2
Display device
Do Yeong Park, Hwaseong-si (KR); Kyung Bae Kim, Seongnam-si (KR); Mee Hye Jung, Suwon-si (KR); and Chong Chul Chai, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Aug. 5, 2021, as Appl. No. 17/395,004.
Claims priority of application No. 10-2020-0106305 (KR), filed on Aug. 24, 2020.
Prior Publication US 2022/0059628 A1, Feb. 24, 2022
Int. Cl. H10K 59/122 (2023.01); H10K 59/35 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/353 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
subpixels each comprising an emission area;
electrodes which are disposed in the emission area, extend in a first direction, and are spaced apart in a second direction intersecting the first direction;
a first insulating layer disposed on the electrodes;
a first bank comprising:
a first bank part disposed on the first insulating layer and surrounding the emission area; and
a second bank part connected to the first bank part and disposed in the emission area;
light emitting elements disposed on the electrodes spaced apart in the second direction, wherein a height of the second bank part of the first bank is lower than a height of the first bank part of the first bank;
a second insulating layer which is dispose on the light emitting elements and the second bank part and exposes ends of each of the light emitting elements; and
contact electrodes which are disposed on the electrodes and the second insulating layer and contact the light emitting elements.