H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/20 (2006.01) C09K 11/06 (2006.01) C09K 11/07 (2006.01) H01L 51/50 (2006.01) H05B 33/14 (2006.01) H01L 51/30 (2006.01)
Patent
CA 2085445
EFFICIENT ORGANIC ELECTROLUMINESCENT DEVICE OF SIMPLIFIED CONSTRUCTION Abstract of the Disclosure An organic electroluminescent device is disclosed comprised of, in sequence, an anode, an organic electroluminescent medium, and a cathode. The organic electroluminescent medium is formed by an organic host material capable of sustaining both hole and electron injection in contact with both the anode and the cathode and a fluorescent dye capable of emitting light in response to hole-electron recombina- tion located in the host material and spaced from the cathode. The dye has a bandgap no greater than that of the host material and a reduction potential at least 0.4 volt less negative than that of the host material.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
Littman Jon E.
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