Blue electroluminescent polymer and organic...

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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C428S917000, C313S504000, C313S506000, C257S040000, C257SE51035, C257SE51036, C528S007000, C528S423000

Reexamination Certificate

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07569287

ABSTRACT:
A blue electroluminescent polymer having a phenoxazine-based unit in a polyarylene backbone and an organic electroluminescent device using the polymer. The organic electroluminescent device has improved luminous efficiency and color purity.

REFERENCES:
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patent: 5879821 (1999-03-01), Hsieh
patent: 6169163 (2001-01-01), Woo et al.
patent: 6387544 (2002-05-01), Thompson et al.
patent: 2003/0218418 (2003-11-01), Sato et al.
patent: 2004/0072989 (2004-04-01), Son et al.
patent: 2004/0135131 (2004-07-01), Treacher et al.
patent: 1020030097658 (2003-12-01), None

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