Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1998-03-11
2000-12-05
Patel, Ashok
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313486, 313487, H01J 162, H01J 6304
Patent
active
061571261
ABSTRACT:
A warm white fluorescent lamp wherein the visual clarity index of said lamp is in a range from 121 to 145 inclusive, the correlated color temperature of its light color is in a range from 2700 K to 3150 K inclusive, and the chromaticity point of said light color is located within a chromaticity range where distance of chromaticity point from the Planckian locus on the CIE 1960 uv chromaticity diagram is not less than -0.005 and not greater than +0.005.
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Hashimoto Kenjiro
Inohara Makoto
Yano Tadashi
Matsushita Electric - Industrial Co., Ltd.
Patel Ashok
Smith Michael J.
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