US 12,439,816 B2
Organic light emitting diode and organic light emitting device including the same
Dae Won Ryu, Paju-si (KR); In Bum Song, Paju-si (KR); Seung Hee Yoon, Paju-si (KR); and Sang Beom Kim, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Appl. No. 17/614,911
Filed by LG DISPLAY CO., LTD., Seoul (KR)
PCT Filed Dec. 23, 2020, PCT No. PCT/KR2020/018952
§ 371(c)(1), (2) Date Nov. 29, 2021,
PCT Pub. No. WO2021/137510, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 10-2019-0178651 (KR), filed on Dec. 30, 2019.
Prior Publication US 2022/0255009 A1, Aug. 11, 2022
Int. Cl. H01L 51/50 (2006.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/12 (2023.01); H10K 50/18 (2023.01); H10K 71/00 (2023.01); H10K 101/00 (2023.01)
CPC H10K 85/626 (2023.02) [H10K 85/40 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/12 (2023.02); H10K 50/18 (2023.02); H10K 71/00 (2023.02); H10K 2101/90 (2023.02)] 33 Claims
OG exemplary drawing
 
1. An organic light emitting diode (OLED), comprising:
a first electrode;
a second electrode facing the first electrode;
a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative, the first emitting material layer positioned between the first and second electrodes; and
a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative, and positioned between the first electrode and the first emitting material layer,
wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated,
wherein at least one of an anthracene core of the anthracene derivative and a pyrene core of the pyrene derivative is deuterated,
wherein the pyrene derivative is represented by Formula 3:

OG Complex Work Unit Chemistry
wherein each of X1 and X2 is independently O or S, each of Ar1 and Ar2 is independently C6˜C30 aryl group or C5˜C30 heteroaryl group,
wherein R3 is C1˜C10 alkyl group or C1˜C10 cycloalkyl group, and f is an integer of 1 to 8, and
wherein g is an integer of 0 to 2, and a summation of f and g is 8 or less.
 
16. 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 host being an anthracene derivative and a first dopant being a pyrene derivative, and positioned between the first and second electrodes; and
a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative, and positioned between the first electrode and the first emitting material layer,
wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated,
wherein the electron blocking material is represent by Formula 5:

OG Complex Work Unit Chemistry
wherein Lis C6˜C30 arylene group,
wherein R1 and R2 is hydrogen, or adjacent two of R1 and R2 or adjacent two of R2 form a fused ring,
wherein R3 is C5˜C30 hetero aryl group, and R4 is hydrogen or C6˜C30 arylene group, and
wherein “a” is 0 or 1, “b” is an integer of 0 to 4, and “c” is an integer of 0 to 5.