US 12,457,899 B2
Multi-component host material and an organic electroluminescence device comprising the same
Hee-Choon Ahn, Gyeonggi-do (KR); Young-Kwang Kim, Gyeonggi-do (KR); Su-Hyun Lee, Gyeonggi-do (KR); Ji-Song Jun, Gyeonggi-do (KR); Seon-Woo Lee, Gyeonggi-do (KR); Chi-Sik Kim, Gyeonggi-do (KR); Kyoung-Jin Park, Gyeonggi-do (KR); Nam-Kyun Kim, Gyeonggi-do (KR); Kyung-Hoon Choi, Gyeonggi-do (KR); Jae-Hoon Shim, Seoul (KR); Young-Jun Cho, Gyeonggi-do (KR); and Kyung-Joo Lee, Seoul (KR)
Assigned to DuPont Specialty Materials Korea Ltd., (KR)
Filed by ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD., Chungcheongnam-do (KR)
Filed on Oct. 26, 2023, as Appl. No. 18/495,274.
Application 18/495,274 is a continuation of application No. 17/689,438, filed on Mar. 8, 2022, abandoned.
Application 18/495,274 is a continuation of application No. 17/689,508, filed on Mar. 8, 2022, abandoned.
Application 17/689,438 is a continuation of application No. 15/301,975, filed on Oct. 5, 2016, abandoned.
Application 17/689,438 is a continuation of application No. 15/301,975, abandoned, previously published as PCT/KR2015/003890, filed on Apr. 17, 2015.
Claims priority of application No. 10-2014-0046857 (KR), filed on Apr. 18, 2014; and application No. 10-2014-0087769 (KR), filed on Jul. 11, 2014.
Prior Publication US 2024/0090328 A1, Mar. 14, 2024
Int. Cl. H01L 51/54 (2006.01); C07D 209/86 (2006.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); C07D 209/88 (2006.01); C07D 401/04 (2006.01); C07D 401/10 (2006.01); C07D 401/14 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 487/04 (2006.01); C07D 491/04 (2006.01); C07D 495/04 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/6572 (2023.02) [C07D 209/86 (2013.01); C07F 15/0033 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07D 209/88 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 487/04 (2013.01); C07D 491/04 (2013.01); C07D 495/04 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/156 (2023.02); H10K 85/636 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02)] 4 Claims
 
1. An organic electroluminescent device comprising a hole injection layer, a first hole transport layer, a second hole transport layer and at least one light-emitting layer between an anode and a cathode, wherein the first hole transport layer comprises compounds of a fluorene derivative structure and a mono-amine derivative structure, wherein the light-emitting layer comprises a host and a phosphorescent dopant, the host consists of multi-component host compounds, at least a first host compound of the multi-component host compounds is represented by the following formula 4, 5, or 6, and a second host compound is represented by the following formula 2:

OG Complex Work Unit Chemistry
wherein
A1 and A2 each independently represent a substituted or unsubstituted (C6-C30) aryl;
L1 is represented by formula 7:

OG Complex Work Unit Chemistry
Xi to XI each independently represent hydrogen or deuterium;
X1 to X16 each independently represent hydrogen, or deuterium;

OG Complex Work Unit Chemistry
wherein
Ma represents a substituted triazinyl;
La represents a single bond, or one of the following formulae 7 and 8:

OG Complex Work Unit Chemistry
Xi to XI each independently represent hydrogen or deuterium;
Xa to Xh each independently represent hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C2-C30)alkenyl, a substituted or unsubstituted (C2-C30)alkynyl, a substituted or unsubstituted (C3-C30) cycloalkyl, a substituted or unsubstituted (C6-C60) aryl, a substituted or unsubstituted (3- to 30-membered) heteroaryl, a substituted or unsubstituted tri(C1-C30)alkylsilyl, a substituted or unsubstituted tri(C6-C30)arylsilyl, a substituted or unsubstituted di(C1-C30)alkyl(C6-C30)arylsilyl, or a substituted or unsubstituted mono- or di-(C6-C30) arylamino; or are linked to an adjacent substituent(s) to form substituted or unsubstituted benzene, a substituted or unsubstituted indole, or a substituted or unsubstituted benzoindole; and
the heteroaryl contains at least one hetero atom selected from B, N, O, S, P(═O), Si, and P.