Spiro compounds based on boron or aluminum and the use of...

Details Spiro compounds based on boron or aluminum and the use of... Spiro compounds based on boron or aluminum and the use of...

2005-06-28

2005-06-28

Nazario-Gonzalez, Porfirio (Department: 1621)

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

Organic compounds

Aluminum containing

C568S001000, C568S003000, C556S170000, C549S002000, C549S003000, C549S210000, C549S213000, C548S402000, C548S405000, C546S004000, C546S010000, C546S013000, C544S225000, C544S229000, C372S041000, C136S236100, C136S237000, C136S263000, C252S301180, C428S917000

Reexamination Certificate

active

06911551

ABSTRACT:
The present invention relates to substituted boron or aluminum spiro compounds and their use in the electronic industry. The compounds of the invention are used as electron transport material, hole blocking material and/or as host material in organic electroluminescence and/or phosphorescence devices, as electron transport material in photocopiers, as electron acceptor or electron transport material in solar cells, as charge transport material in organic ICs (circuits) and in organic solid-state lasers or organic photodetectors.

REFERENCES:
patent: 4539507 (1985-09-01), VanSlyke et al.
patent: 5151629 (1992-09-01), VanSlyke
patent: 5621131 (1997-04-01), Kreuder et al.
patent: 44 36 773 (1996-04-01), None
Tetsuya Noda et al., “A Blue-Emitting Organic Electroluminescent Device Using A Novel Emitting Amorphous Molecular Material, 5.5′-Bis(dimesitylboryl)-2.2′-bithiophene”, Adv. Mater. 1999, 11, No. 4.

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