Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate
2007-02-13
2007-02-13
Patel, Nimeshkumar D. (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
C313S468000, C257S080000, C257S084000
Reexamination Certificate
active
10830379
ABSTRACT:
An LED device at least including a blue light emitting element having peak emission wavelength of 420 nm to 480 nm, a green fluorescent substance having peak wavelength of fluorescent spectrum in the range of 500 nm to 580 nm with the emission of the blue light emitting element, and a red light emitting element having peak emission wavelength of 600 nm to 670 nm is provided. The device may further include an ultraviolet/violet light emitting element for exciting green fluorescent substance. As a result, an LED device capable of attaining bright white light with good color reproduction characteristic is provided.
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Kitano Masaharu
Masuda Masatsugu
Omoto Masatoshi
Macchiarolo Peter
Morrison & Foerster / LLP
Patel Nimeshkumar D.
Sharp Kabushiki Kaisha
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