US 12,191,424 B2
Pixel and display device including the same
Jeong Hyun Lee, Yongin-si (KR); Sung Geun Bae, Yongin-si (KR); Myeong Hun Song, Yongin-si (KR); Jong Chan Lee, Yongin-si (KR); Tae Hee Lee, Yongin-si (KR); and Kyung Ah Choi, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 15, 2021, as Appl. No. 17/150,499.
Claims priority of application No. 10-2020-0072583 (KR), filed on Jun. 15, 2020.
Prior Publication US 2021/0391503 A1, Dec. 16, 2021
Int. Cl. H01L 33/38 (2010.01); H01L 27/15 (2006.01); H01L 33/62 (2010.01)
CPC H01L 33/387 (2013.01) [H01L 27/156 (2013.01); H01L 33/62 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A pixel comprising:
a first electrode, a second electrode, a third electrode, and a fourth electrode each disposed on and above a substrate and physically separated from each other;
at least one first light emitting element disposed between the first electrode and the second electrode;
at least one second light emitting element disposed between the second electrode and the third electrode;
at least one third light emitting element disposed between the third electrode and the fourth electrode;
a first contact electrode disposed on and above the first electrode and electrically contacting the first electrode and a first end of the at least one first light emitting element;
a first intermediate electrode disposed on the second electrode and electrically contacting a second end of the at least one first light emitting element and a first end of the at least one second light emitting element;
a second contact electrode disposed on the third electrode and electrically contacting the third electrode, a second end of the at least one second light emitting element, and a second end of the at least one third light emitting element; and
a second intermediate electrode disposed on the fourth electrode and electrically contacting a first end of the at least one third light emitting element, wherein
the first intermediate electrode and the second intermediate electrode are electrically connected to each other,
the second contact electrode forms an electrical connection between the third electrode and the second end of the at least one second light emitting element, and
the second contact electrode forms an electrical connection between the third electrode and the second end of the at least one third light emitting element.