US 12,256,604 B2
Display device
Jong Ho Son, Yongin-si (KR); Young Gu Kim, Yongin-si (KR); Ji Yun Park, Yongin-si (KR); Duck Jong Suh, Yongin-si (KR); Bong Sung Seo, Yongin-si (KR); Yeon Hee Lee, Yongin-si (KR); Baek Kyun Jeon, Yongin-si (KR); and Kyung Seon Tak, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 4, 2021, as Appl. No. 17/444,396.
Claims priority of application No. 10-2020-0161574 (KR), filed on Nov. 26, 2020.
Prior Publication US 2022/0165816 A1, May 26, 2022
Int. Cl. H01L 27/32 (2006.01); H10K 59/122 (2023.01); H10K 59/38 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/38 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate comprising a non-display area and a display area, the display area comprising an emission area and a non-emission area;
a display element layer comprising a light emitting element on the emission area of the substrate;
a bank on the display element layer and overlapping the non-display area and the non-emission area of the substrate in a plan view;
a color conversion layer on the display element layer, overlapping the emission area in the plan view, and to convert a color of light emitted from the light emitting element; and
an organic insulating layer on the color conversion layer and the bank,
wherein a maximum thickness of the bank is about 4 μm to about 20 μm, and
wherein an average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area with respect to an upper surface of the substrate is less than or equal to about 45 degrees.