Organic compounds -- part of the class 532-570 series – Organic compounds – Aluminum containing
Reexamination Certificate
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.
Becker Heinrich
Drott Jacqueline
Spreitzer Hubert
Stössel Philipp
Connolly Bove & Lodge & Hutz LLP
Covion Organic Semiconductors GmbH
Nazario-Gonzalez Porfirio
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