US 11,680,059 B2
Organic mixture and application thereof in organic electronic devices
Ruifeng He, Guangdong (CN); Jiahui Tan, Guangdong (CN); Weijie Lin, Guangdong (CN); and Junyou Pan, Guangdong (CN)
Assigned to GUANGZHOU CHINARAY OPTOELECTRONIC MATERIALS LTD., Guangdong (CN)
Appl. No. 16/955,551
Filed by GUANGZHOU CHINARAY OPTOELECTRONIC MATERIALS LTD., Guangdong (CN)
PCT Filed Dec. 20, 2018, PCT No. PCT/CN2018/122489
§ 371(c)(1), (2) Date Jun. 18, 2020,
PCT Pub. No. WO2019/120263, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 201711396126.5 (CN), filed on Dec. 21, 2017.
Prior Publication US 2020/0317646 A1, Oct. 8, 2020
Int. Cl. H01L 51/00 (2006.01); C07D 403/14 (2006.01); C07C 211/54 (2006.01); C07D 239/74 (2006.01); C07D 251/24 (2006.01); C07D 403/04 (2006.01); H01L 51/50 (2006.01)
CPC C07D 403/14 (2013.01) [C07C 211/54 (2013.01); C07D 239/74 (2013.01); C07D 251/24 (2013.01); C07D 403/04 (2013.01); H01L 51/0059 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); H01L 2251/552 (2013.01)] 20 Claims
 
1. An organic mixture comprising an organic compound H1 and an organic compound H2, wherein the organic compound H1 is a compound represented by general formula (1):

OG Complex Work Unit Chemistry
wherein,
A and B each independently represent an aromatic hydrocarbon group with 6 to 30 ring atoms or an aromatic heterocyclic group with 6 to 30 ring atoms, and at least one of A and B has more than 6 ring atoms;
R1, R2 and R3 are substituents, each independently selected from the group consisting of H, deuterium, F, CN, alkenyl, alkynyl, nitrile group, amino group, nitro group, acyl, alkoxy group, carbonyl, sulfonyl, substituted or unsubstituted alkyl with 1 to 30 carbon atoms, substituted or unsubstituted cycloalkyl with 3 to 30 carbon atoms, and substituted or unsubstituted aromatic hydrocarbon group with 5 to 60 ring atoms or substituted or unsubstituted aromatic heterocyclic group with 5 to 60 ring atoms;
Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group with 5 to 100 ring atoms or substituted or unsubstituted aromatic heterocyclic group with 5 to 100 ring atoms, and contains at least one electron-accepting group;
the organic compound H2 is a compound represented by general formula (2):

OG Complex Work Unit Chemistry
wherein,
Ar2 represents a substituted or unsubstituted alkyl with 1 to 30 carbon atoms, a substituted or unsubstituted cycloalkyl with 3 to 30 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group with 5 to 100 ring atoms or substituted or unsubstituted aromatic heterocyclic group with 5 to 100 ring atoms;
D is an electron-donating group; and
n is an integer of 1-6;
wherein the difference between sublimation temperature of the organic compound H1 and that of the organic compound H2 does not exceed 30 K.