US 11,903,308 B2
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
Kei Yoshida, Chiba (JP); Masatoshi Saito, Ichihara (JP); Ryoji Maeda, Chiba (JP); Masato Nakamura, Sumida-ku (JP); and Tetsuya Masuda, Chiba (JP)
Assigned to IDEMITSU KOSAN CO., LTD., Chiyoda-ku (JP)
Appl. No. 17/273,563
Filed by IDEMITSU KOSAN CO.,LTD., Chiyoda-ku (JP)
PCT Filed Sep. 2, 2019, PCT No. PCT/JP2019/034437
§ 371(c)(1), (2) Date Apr. 29, 2021,
PCT Pub. No. WO2020/050217, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 2018-168361 (JP), filed on Sep. 7, 2018; and application No. 2019-061161 (JP), filed on Mar. 27, 2019.
Prior Publication US 2021/0359217 A1, Nov. 18, 2021
Int. Cl. C07D 209/82 (2006.01); C07D 403/14 (2006.01); C07D 239/26 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H10K 85/60 (2023.01); C07D 401/14 (2006.01); C07D 409/14 (2006.01); H10K 50/16 (2023.01)
CPC H10K 85/654 (2023.02) [C07D 401/14 (2013.01); C07D 403/14 (2013.01); C07D 409/14 (2013.01); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); H10K 50/16 (2023.02)] 33 Claims
OG exemplary drawing
 
1. An organic electroluminescent device comprising:
a cathode, an anode, and organic layers disposed between the cathode and the anode, wherein:
the organic layers comprise a light-emitting layer, and a first layer disposed between the light-emitting layer and the cathode, and
the first layer comprises a compound of formula (1A):

OG Complex Work Unit Chemistry
wherein,
R1 to R24 each independently represent a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms R31 to R35 each independently represent a hydrogen atom
A1 represents a substituted or unsubstituted, (n+1)-valent residue of an aromatic hydrocarbon having 6 to 30 ring carbon atoms, or a substituted or unsubstituted, (n+1)-valent residue of an aromatic heterocyclic compound having 5 to 30 ring atoms,
wherein a hydrogen atom represents a protium isotope and/or a deuterium isotope,
A2 each independently represents a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms, and
n represents an integer of 1 to 3.