US 11,793,012 B2
Organic light emitting diode
Dong Chan Kim, Yongin-si (KR); Won Jong Kim, Yongin-si (KR); Eung Do Kim, Yongin-si (KR); Dong Kyu Seo, Yongin-si (KR); Da Hea Im, Yongin-si (KR); Sang Hoon Yim, Yongin-si (KR); and Chang Woong Chu, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Nov. 17, 2021, as Appl. No. 17/529,228.
Application 17/529,228 is a continuation of application No. 16/880,878, filed on May 21, 2020, granted, now 11,211,575.
Application 16/880,878 is a continuation of application No. 16/281,363, filed on Feb. 21, 2019, granted, now 10,665,809, issued on May 26, 2020.
Application 16/281,363 is a continuation of application No. 14/821,983, filed on Aug. 10, 2015, granted, now 10,236,464, issued on Mar. 19, 2019.
Application 14/821,983 is a continuation in part of application No. 14/735,582, filed on Jun. 10, 2015, granted, now 10,003,041, issued on Jun. 19, 2018.
Claims priority of application No. 10-2014-0109197 (KR), filed on Aug. 21, 2014; and application No. 10-2015-0099984 (KR), filed on Jul. 14, 2015.
Prior Publication US 2022/0077415 A1, Mar. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/54 (2006.01); H10K 50/13 (2023.01); H10K 50/82 (2023.01); H10K 50/17 (2023.01); H10K 50/852 (2023.01)
CPC H10K 50/13 (2023.02) [H10K 50/171 (2023.02); H10K 50/82 (2023.02); H10K 50/852 (2023.02)] 16 Claims
 
1. A light emitting diode comprising:
a first electrode;
a second electrode facing the first electrode, the second electrode including magnesium and silver;
an emission layer between the first electrode and the second electrode, the emission layer including a blue light emitting layer; and
an electron injection layer between the second electrode and the emission layer,
wherein the electron injection layer includes Yb and a dipole material including a first component and a second component having different polarities.