Organic electroluminescence device using a copolymer and a...

Details Organic electroluminescence device using a copolymer and a... Organic electroluminescence device using a copolymer and a...

2011-01-18

2011-01-18

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C526S310000

Reexamination Certificate

active

07872411

ABSTRACT:
An organic electroluminescence device including one layer or two or more layers of organic layer sandwiched between an anode and a cathode. At least one of the organic layers includes a phosphorescent compound and a polymer. The polymer has a structural unit derived from a monomer represented by formula (1) as defined herein, and a structural unit derived from a monomer having heterocycle(s) containing two or more heteroatoms.

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Mitsunori Suzuki et al., “Highly efficient polymer light-emitting devices using ambipolar phosophorescent polymers”, Applied Physics Letters, AIP, American Institute of Physics, Mar. 3, 2005, pp. 103507(1-3), vol. 86, No. 10.

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