Blue light emitting thiogallate phosphor

Details Blue light emitting thiogallate phosphor Blue light emitting thiogallate phosphor

1997-03-10

1998-11-10

Bell, Janyce

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 64, 427162, 427165, 4272552, B65D 506

Patent

active

058340530

ABSTRACT:
A crystalline blue emitting thiogallate phosphor of the formula RGa.sub.2 S.sub.4 :Ce.sub.x where R is selected from the group consisting of calcium, strontium, barium and zinc, and x is from about 1 to 10 atomic percent, the phosphor characterized as having a crystalline microstructure on the size order of from about 100 .ANG. to about 10,000 .ANG. is provided together with a process of preparing a crystalline blue emitting thiogallate phosphor by depositing on a substrate by CVD and resultant thin film electroluminescent devices including a layer of such deposited phosphor on an ordinary glass substrate.

REFERENCES:
patent: 5505986 (1996-04-01), Velthaus et al.

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