ORGANOSELENIUM MATERIALS AND THEIR USES IN ORGANIC LIGHT EMITTING DEVICES
First Claim
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1. An organic light emitting device, comprising an organic layer positioned between an anode layer and a cathode layer, said organic layer comprising an organoselenium material selected from the group consisting of a compound comprising a dibenzoselenophene, a compound comprising a benzo[b]selenophene, and a compound comprising benzo[c]selenophene.
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Abstract
The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices.
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22 Claims
- 1. An organic light emitting device, comprising an organic layer positioned between an anode layer and a cathode layer, said organic layer comprising an organoselenium material selected from the group consisting of a compound comprising a dibenzoselenophene, a compound comprising a benzo[b]selenophene, and a compound comprising benzo[c]selenophene.
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18. An organoselenium compound selected from the group consisting of
wherein each of R1, R2, R3, R4, R5, R6 and R7 indicates an optional substitutent to any possible position in the relevant moiety, Ar indicates an aromatic group, and each line linking two molecular moieties indicates attachment between the two moieties at any possible positions on the respective moieties.
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22. An organoselenium compound selected from the group consisting of
and derivatives thereof.
Specification