Conjugated compounds containing heteroatom-center-arylsilane...

Details Conjugated compounds containing heteroatom-center-arylsilane... Conjugated compounds containing heteroatom-center-arylsilane...

2007-10-22

2010-10-26

Shiao, Rei-tsang (Department: 1628)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C556S413000, C556S402000

Reexamination Certificate

active

07820844

ABSTRACT:
The present invention discloses conjugated compounds containing heteroatom-centered arylsilane derivatives and their applications as host materials, electron transport materials, or hole transport materials in an organic electroluminescent device. The general structure of the conjugated compounds containing heteroatom-centered arylsilane derivatives is as follows:where X1, X2, X3, and X4can be identical or different and X1, X2, X3, and X4are independently selected from the group consisting of the following: H, B, N, P═O, Si—R9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9can be identical or different and R1, R2, R3, R4, R5, R6, R7, R8, and R9are independently selected from aryl group or heterocyclic aryl group containing one or more substituents.

REFERENCES:
patent: 5187310 (1993-02-01), Mishima et al.
Bai et al. publication, Chem. Eur. J, May 16, 2007, 13:5713-5723.
Kurimoto et al., 1998, CAS: 129:296147.

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