US 11,706,983 B2
Organic light-emitting device
Sangyeob Lee, Hwaseong-si (KR); Sangdong Kim, Seoul (KR); Jiwhan Kim, Seoul (KR); Banglin Lee, Su-won-si (KR); Seungyeon Kwak, Yongin-si (KR); and Hyeonho Choi, Seoul (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on May 28, 2020, as Appl. No. 16/885,992.
Application 16/885,992 is a division of application No. 14/838,987, filed on Aug. 28, 2015, granted, now 10,741,772.
Claims priority of application No. 10-2014-0114518 (KR), filed on Aug. 29, 2014; and application No. 10-2015-0120784 (KR), filed on Aug. 27, 2015.
Prior Publication US 2020/0295272 A1, Sep. 17, 2020
Int. Cl. H01L 51/00 (2006.01); H10K 85/60 (2023.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/40 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/30 (2023.01)
CPC H10K 85/6572 (2023.02) [C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02)] 17 Claims
OG exemplary drawing
 
1. An organic light-emitting device (OLED), comprising
a first electrode;
a second electrode;
an emission layer between the first electrode and the second electrode, the emission layer including an electron-transporting host and a hole-transporting host;
a hole transport region between the first electrode and the emission layer, the hole transport region including a hole transport layer, the hole transport layer including a hole transport material; and
an electron transport region between the emission layer and the second electrode, the electron transport region including an electron transport layer, the electron transport layer includes an electron transport material,
wherein the electron-transporting host includes at least one of Compounds EH3-1 to EH3-3, EH3-5 to EH3-7, EH3-11 to EH3-13, EH3-15 to EH3-26, EH3-28 to EH3-42, EH3-44 to EH3-80, EH3-82 to EH3-94 and EH3-101 below,

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wherein the hole-transporting host includes a compound represented by Formula 20 below,

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wherein in Formula 20,
each of L31 to L33 are independently selected from a substituted or unsubstituted C3-C10 cycloalkylene group, a substituted or unsubstituted C3-C10 cycloalkenylene group, a substituted or unsubstituted C6-C60 arylene group, and a substituted or unsubstituted divalent non-aromatic condensed polycyclic group,
each of a31 to a33 are independently an integer of 0 to 5,
each of R31 and R32 are independently a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, and a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group,
each of R33 to R36 are independently a hydrogen, a deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, and a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group,
each of b31 to b36 are independently an integer of 1 to 3, and
at least one of substituents of the substituted C3-C10 cycloalkylene group, the substituted C3-C10 cycloalkenylene group, the substituted C6-C60 arylene group, the substituted divalent non-aromatic condensed polycyclic group, the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C3-C10 cycloalkyl group, the substituted C3-C10 cycloalkenyl group, the substituted C6-C60 aryl group, and the substituted monovalent non-aromatic condensed polycyclic group is selected from a deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C3-C10 cycloalkenyl group, a C6-C60 aryl group, and a monovalent non-aromatic condensed polycyclic group.