US 12,016,199 B2
Display device
Hyun Gue Song, Hwaseong-si (KR); Hee Seong Jeong, Suwon-si (KR); Sun Hwa Kim, Hwaseong-si (KR); Hyun Ho Jung, Hwaseong-si (KR); and Sang Min Hong, Cheonan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 12, 2023, as Appl. No. 18/333,515.
Application 18/333,515 is a continuation of application No. 17/087,520, filed on Nov. 2, 2020, granted, now 11,678,511.
Claims priority of application No. 10-2020-0038235 (KR), filed on Mar. 30, 2020.
Prior Publication US 2023/0354638 A1, Nov. 2, 2023
Int. Cl. H10K 50/844 (2023.01); H10K 50/858 (2023.01); H10K 59/124 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/8445 (2023.02) [H10K 50/858 (2023.02); H10K 59/124 (2023.02); H10K 2102/351 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a display element on the substrate;
a capping layer on the display element;
a first inorganic layer on the capping layer;
a second inorganic layer on the first inorganic layer;
a third inorganic layer on the second inorganic layer;
a fourth inorganic layer on the third inorganic layer;
an organic layer on the fourth inorganic layer; and
a fifth inorganic layer on the organic layer,
wherein a refractive index of the second inorganic layer is different from a refractive index of the capping layer, and
wherein a refractive index of the first inorganic layer is between the refractive index of the second inorganic layer and the refractive index of the capping layer.