White-light emitting device, and phosphor and method of its...

Details White-light emitting device, and phosphor and method of its... White-light emitting device, and phosphor and method of its...

H - Electricity

05

B

H05B 33/14 (2006.01) C01B 25/02 (2006.01) C09K 11/08 (2006.01) C09K 11/62 (2006.01) C09K 11/88 (2006.01) H01J 1/62 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2475289

White-light emitting device that excels in emission efficiency and temperature stability and that can put out white light of a color temperature of choice is afforded by utilizing phosphors of superior temperature characteristics and high light-emitting efficiency; the phosphors and a method of manufacturing the phosphors are also made available. An LED (1), and a phosphor (3) ZnS x Se1-x(0 < x < 1) that contains at least one activator among Cu, Ag and Au and that, excited by light irradiated from the LED, produces light are furnished.

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