Light permeable fluorescent cover for light emitting diode

Details Light permeable fluorescent cover for light emitting diode Light permeable fluorescent cover for light emitting diode

2011-03-15

2011-03-15

Guharay, Karabi (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S498000, C313S503000

Reexamination Certificate

active

07906904

ABSTRACT:
A light permeable fluorescent cover6is provided that comprises a fluorescent material7contained in the cover6attached on a light emitting diode for emitting a first light with a first peak in blue wavelength range of 420 nm to 480 nm. The fluorescent material7emits a second light with a second peak in green wavelength range of 480 nm to 580 nm separated from the first peak and a third light with a third peak in red wavelength range of 580 nm to 750 nm separated from the second peak to synthesize lights in a wide chromaticity area by mixing three primary blue, green and red lights and to irradiate them to outside of the cover6in colorful expression.

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