Patent ID: 11937440
Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 16:
17. The organic electroluminescent device of claim 16, wherein the bipolar compound comprises an EWG moiety represented by the following Chemical Formula 4:, wherein in Chemical Formula 4,
Z are the same as or different from each other, each independently being C(R) or N, and at least one of Z is N,
a plurality of R are the same as or different from each other, each independently being selected from the group consisting of: hydrogen, deuterium, a halogen group, a cyano group, a nitro group, an amino group, a C1 to C40 alkyl group, a C2 to C40 alkenyl group, a C2 to C40 alkynyl group, a C3 to C40 cycloalkyl group, a heterocycloalkyl group having 3 to 40 nuclear atoms, a C6 to C60 aryl group, a heteroaryl group having 5 to 60 nuclear atoms, a C1 to C40 alkyloxy group, a C6 to C60 aryloxy group, a C1 to C40 alkylsilyl group, a C6 to C60 arylsilyl group, a C1 to C40 alkylboron group, a C6 to C60 arylboron group, a C1 to C40 phosphine group, a C1 to C40 phosphine oxide group, and a C6 to C60 arylamine group, or form a condensed ring with an adjacent group, and
the alkyl group, the alkenyl group, the alkynyl group, the cycloalkyl group, the heterocycloalkyl group, the aryl group, the heteroaryl group, the alkyloxy group, the aryloxy group, the alkylsilyl group, the arylsilyl group, the alkylboron group, the arylboron group, the phosphine group, the phosphine oxide group and the arylamine group of R are each independently substituted or unsubstituted with one or more kinds of substituents selected from the group consisting of deuterium, a halogen group, a cyano group, a nitro group, an amino group, a C1 to C40 alkyl group, a C2 to C40 alkenyl group, a C2 to C40 alkynyl group, a C3 to C40 cycloalkyl group, a heterocycloalkyl group having 3 to 40 nuclear atoms, a C6 to C40 aryl group, a heteroaryl group having 5 to 40 nuclear atoms, a C1 to C40 alkyloxy group, a C6 to C60 aryloxy group, a C1 to C40 alkylsilyl group, a C6 to C60 arylsilyl group, a C1 to C40 alkylboron group, a C6 to C60 arylboron group, a C1 to C40 phosphine group, a C1 to C40 phosphine oxide group, and a C6 to C60 arylamine group.