Thin film electroluminescent device

H - Electricity – 05 – B

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H05B 33/14 (2006.01) C09K 11/88 (2006.01) H05B 33/22 (2006.01) H05B 33/28 (2006.01)

Patent

CA 1256972

PHA. 21.215 5 ABSTRACT: A thin film DC operable electroluminescent device of increased life and improved properties is disclosed. The device employs a thin film of a manganese activated zinc sulfoselenide luminescent material and a layer of yttrium oxide positioned between the luminescent material and a reflective electrode.

482868

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