US 12,193,298 B2
Organic light emitting display apparatus
HyeonHoon Shin, Paju-si (KR); Heejae Park, Paju-si (KR); and Taehoon Lee, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Dec. 10, 2021, as Appl. No. 17/548,198.
Claims priority of application No. 10-2020-0173478 (KR), filed on Dec. 11, 2020.
Prior Publication US 2022/0190053 A1, Jun. 16, 2022
Int. Cl. H10K 59/35 (2023.01); H10K 50/844 (2023.01); H10K 59/38 (2023.01)
CPC H10K 59/35 (2023.02) [H10K 50/8445 (2023.02); H10K 59/38 (2023.02)] 13 Claims
OG exemplary drawing
 
1. An organic light emitting display apparatus comprising:
a display panel including a plurality of subpixels;
an organic light emitting device provided in each of the plurality of subpixels; and
a color shift prevention structure on the organic light emitting device,
wherein the color shift prevention structure includes a first capping layer on the organic light emitting device and second capping layers on the first capping layer, and
wherein the second capping layers are differently provided for each of the plurality of subpixels.