US 12,302,669 B2
Display device having bank and a light emitting element in an opening
Hoon Kim, Suwon-si (KR); Myeong Su So, Seoul (KR); Eun Je Jang, Hwaseong-si (KR); Jang Bog Ju, Seoul (KR); and Joon Hoo Choi, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jun. 14, 2021, as Appl. No. 17/347,147.
Claims priority of application No. 10-2020-0112167 (KR), filed on Sep. 3, 2020.
Prior Publication US 2022/0069168 A1, Mar. 3, 2022
Int. Cl. H01L 21/027 (2006.01); H01L 23/13 (2006.01); H01L 23/528 (2006.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01); H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 20/84 (2025.01); H10H 20/851 (2025.01); H10H 29/14 (2025.01)
CPC H10H 20/84 (2025.01) [H10H 20/01 (2025.01); H10H 20/8312 (2025.01); H10H 20/851 (2025.01); H10H 29/142 (2025.01); H10H 20/032 (2025.01); H10H 20/034 (2025.01)] 17 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a partition wall on the substrate and defining a first opening;
a first bank on the substrate and integrally formed with the partition wall, and defining a second opening;
a first electrode on the partition wall and the first bank;
a light emitting element located in the first opening and electrically connected to the first electrode;
an insulating layer on the light emitting element; and
a wavelength conversion layer on the insulating layer and configured to convert a wavelength of light emitted from the light emitting element,
wherein the wavelength conversion layer fills the first opening, and
wherein the first electrode disposed on a side surface of the first bank is directly in contact with the wavelength conversion layer.