US 12,441,937 B2
Organic light emitting device
Su-Na Choi, Paju-si (KR); In-Bum Song, Paju-si (KR); and Jeong-Dae Seo, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 3, 2021, as Appl. No. 17/518,539.
Claims priority of application No. 10-2020-0184953 (KR), filed on Dec. 28, 2020.
Prior Publication US 2022/0216407 A1, Jul. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 11/06 (2006.01); C07C 15/28 (2006.01); C07D 307/91 (2006.01); C07F 5/02 (2006.01); H10K 50/11 (2023.01); H10K 50/19 (2023.01); H10K 59/12 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01)
CPC C09K 11/06 (2013.01) [C07C 15/28 (2013.01); C07D 307/91 (2013.01); C07F 5/027 (2013.01); H10K 85/322 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); H10K 85/658 (2023.02); C07B 2200/05 (2013.01); C07C 2603/24 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/19 (2023.02); H10K 59/12 (2023.02); H10K 2101/10 (2023.02)] 12 Claims
OG exemplary drawing
 
1. An organic light emitting device, comprising:
a substrate; and
an organic light emitting diode positioned on the substrate and including:
a first electrode;
a second electrode facing the first electrode;
a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first electrode and the second electrode;
a hole injection layer between the first electrode and the first emitting material layer;
a hole transporting layer between the hole injection layer and the first emitting material layer; and
an electron blocking layer between the hole transporting layer and the first emitting material layer,
wherein the first dopant is one of compounds in Formula 3:

OG Complex Work Unit Chemistry
wherein the first host is represented by Formula 2:

OG Complex Work Unit Chemistry
wherein in Formula 2,
each of Ar1 and Ar2 is independently C6 to C30 aryl group benzo[b]naphtho[2,3-d]furan or benzo[b]naphtho[1,2-d]furan, and L is a single bond or C6 to C30 arylene group,
wherein a is an integer of 0 to 8, each of b, c and d is independently an integer of 0 to 30,
wherein a, b, c and d are a positive integer, and
wherein at least one of the hole injection layer and the hole transporting layer includes a material represented by Formula 5, and the electron blocking layer includes a material represented by Formula 6:

OG Complex Work Unit Chemistry