H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/14 (2006.01) C09K 11/06 (2006.01)
Patent
CA 2051758
Disclosed is an electroluminescent element comprising an anode, a cathode and, disposed therebetween, an organic luminescent layer comprising a mixture of a fluorescent luminescent agent, at least one hole moving and donating agent capable of moving holes and donating the same to the luminescent agent and at least one electron moving and donating agent capable of moving electrons and donating the same to the luminescent agent. In the element, the compo- nents of the luminescent layer have specific oxidation potential and reduction potential relationships. The element emits light in response to electrical signals. The element exhibits high luminescence efficiency and bright- ness even at low voltages, and it can efficiently be pro- duced at low cost.
Endo Hiroshi
Mori Yoshihiko
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
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