Thin-film electroluminescence apparatus including optical interf

Details Thin-film electroluminescence apparatus including optical interf Thin-film electroluminescence apparatus including optical interf

1990-01-29

1991-02-19

Scott, Jr., Leon

Coherent light generators

Thin film laser

372 39, 372 45, 313503, H01S 330

Patent

active

049950436

ABSTRACT:
An electroluminescence apparatus in which voltage is applied to a lamination of a fluorescent material layer and a dielectric layer through a pair of electrodes one of which is light-transmissible to extract fluorescence. A reflecting mirror layer is provided on the lamination while a particular relationship is established between the refractive index and the thickness of the lamination, thereby improving the efficiency with which the fluorescence is extracted.

REFERENCES:
patent: 3573653 (1971-04-01), Smiley
patent: 3579142 (1971-05-01), Smiley
patent: 3854070 (1974-12-01), Viasenko et al.
patent: 3868589 (1975-02-01), Wang
patent: 4002998 (1977-01-01), Conwell et al.

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