Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1993-09-09
1996-08-06
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Of inorganic material
428696, 428697, 428917, 313503, H05B 3314
Patent
active
055432379
ABSTRACT:
An inorganic thin film EL device comprises, on an insulating substrate 1, a back electrode 2, an insulating layer 3, a light emission layer 4, an insulating layer 3, and a transparent electrode 5 formed on the substrate 1 in this order. The emission layer comprises a fluoride of an alkaline earth metal and at least one member selected from the group consisting of rare earth element metals and compounds thereof at a mixing ratio by weight of 10:90 to 95:5. The rare earth element is, for example, cerium, praseodymium, neodium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and mixture thereof. The compounds may be those compounds of the rare earth elements and fluorine, chlorine, bromine, iodine and oxygen.
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Japanese Abstract 03-187191.
Fuji 'Xerox Co., Ltd.
Robinson Ellis P.
Speer Timothy M.
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