US 11,943,998 B2
Organic light emitting diode and organic light emitting device including the same
Ik-Rang Choe, Paju-si (KR); Hye-Gun Ryu, Paju-si (KR); Jun-Yun Kim, Paju-si (KR); Seong-Keun Kim, Paju-si (KR); and Ju-Young Lee, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Nov. 20, 2020, as Appl. No. 17/100,611.
Claims priority of application No. 10-2019-0155531 (KR), filed on Nov. 28, 2019; and application No. 10-2020-0128779 (KR), filed on Oct. 6, 2020.
Prior Publication US 2021/0167289 A1, Jun. 3, 2021
Int. Cl. H01L 51/50 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 50/13 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/322 (2023.02) [C09K 11/06 (2013.01); H10K 85/622 (2023.02); H10K 85/631 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/121 (2023.02); H10K 50/13 (2023.02); H10K 85/626 (2023.02); H10K 2101/10 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes,
wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and

OG Complex Work Unit Chemistry
wherein each of R1 and R2 is independently selected from the group consisting of hydrogen, deuterium, tritium, halogen, C1 to C20 alkyl, C6 to C30 aryl, C5 to C30 heteroaryl, C1 to C20 alkylamine, and C6 to C30 arylamine, and R3 is C5 to C60 heteroaryl including a nitrogen atom.
 
11. An organic light emitting device, comprising:
a substrate; and
an organic light emitting diode disposed on the substrate, the organic light emitting diode including:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes,
wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and

OG Complex Work Unit Chemistry
wherein each of R1 and R2 is independently selected from the group consisting of hydrogen, deuterium, tritium, halogen, C1 to C20 alkyl, C6 to C30 aryl, C5 to C30 heteroaryl, C1 to C20 alkylamine, and C6 to C30 arylamine, and R3 is C5 to C60 heteroaryl including a nitrogen atom.
 
19. An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes,
wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms,
wherein the emitting material layer includes a first emitting material layer and a second emitting material layer, and the second emitting material layer is positioned between the first emitting material layer and the first electrode, and
wherein the first compound is included in the first emitting material layer, and the second compound is included in the second emitting material layer.