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Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP6304176ApriorityCriticalpatent/JPS52146582A/en
Publication of JPS52146582ApublicationCriticalpatent/JPS52146582A/en
PURPOSE: To produce green light emitting devices of good light emitting efficiency by subsequently laminating CuGa1-x AlxS2 on ZnS, confining the light to light emitting region by changing the composition ratio of Ga and Al and using ZnS.