US 11,930,652 B2
Organic light emitting display apparatus including sub light emitting layers
Chi-O Cho, Yongin-si (KR); Byungchoon Yang, Yongin-si (KR); Young-Jun Seo, Yongin-si (KR); and Won Sang Park, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Dec. 12, 2022, as Appl. No. 18/064,796.
Application 18/064,796 is a continuation of application No. 17/179,224, filed on Feb. 18, 2021, granted, now 11,527,733.
Application 17/179,224 is a continuation of application No. 16/697,002, filed on Nov. 26, 2019, granted, now 10,944,068, issued on Mar. 9, 2021.
Application 16/697,002 is a continuation of application No. 16/202,397, filed on Nov. 28, 2018, granted, now 10,497,889, issued on Dec. 3, 2019.
Application 16/202,397 is a continuation of application No. 15/958,726, filed on Apr. 20, 2018, granted, now 10,236,463, issued on Mar. 19, 2019.
Application 15/958,726 is a continuation of application No. 15/439,602, filed on Feb. 22, 2017, granted, now 9,978,973, issued on May 22, 2018.
Application 15/439,602 is a continuation of application No. 14/933,856, filed on Nov. 5, 2015, granted, now 9,583,727, issued on Feb. 28, 2017.
Application 14/933,856 is a continuation of application No. 14/446,746, filed on Jul. 30, 2014, granted, now 9,184,403, issued on Nov. 10, 2015.
Claims priority of application No. 10-2013-0127431 (KR), filed on Oct. 24, 2013.
Prior Publication US 2023/0119269 A1, Apr. 20, 2023
Int. Cl. H10K 50/11 (2023.01); H10K 50/115 (2023.01); H10K 50/81 (2023.01); H10K 50/814 (2023.01); H10K 50/818 (2023.01); H10K 50/82 (2023.01); H10K 50/828 (2023.01); H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 77/10 (2023.01); H10K 101/10 (2023.01); H10K 102/00 (2023.01); H10K 102/10 (2023.01)
CPC H10K 50/115 (2023.02) [H10K 50/11 (2023.02); H10K 50/814 (2023.02); H10K 50/818 (2023.02); H10K 50/82 (2023.02); H10K 50/828 (2023.02); H10K 50/844 (2023.02); H10K 50/86 (2023.02); H10K 59/35 (2023.02); H10K 59/38 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 59/12 (2023.02); H10K 59/121 (2023.02); H10K 59/1216 (2023.02); H10K 59/122 (2023.02); H10K 77/111 (2023.02); H10K 2101/10 (2023.02); H10K 2102/00 (2023.02); H10K 2102/101 (2023.02); H10K 2102/103 (2023.02); H10K 2102/3026 (2023.02); H10K 2102/331 (2023.02)] 22 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a substrate;
a device/line layer on the substrate;
a first electrode on the device/line layer;
a second electrode on the first electrode;
a plurality of main light emitting layers between the first electrode and the second electrode; and
a plurality of sub light emitting layers on the plurality of main light emitting layers, respectively,
wherein the plurality of main light emitting layers comprises a material to emit a first light,
wherein the plurality of sub light emitting layers comprises a quantum dot,
wherein the first light emitted from the plurality of main light emitting layers is to be incident on at least one of the plurality of sub light emitting layers, and
wherein the plurality of sub light emitting layers has a quantum efficiency that compensates for a color shift caused by a side viewing angle.