Pigment coated lamp and luminaire emitting colored light
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 18, 2003
Grant Date -
N/A
app pub date -
Aug 14, 2000
filing date -
Aug 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A colored luminaire, in particular a colored signaling light for automobiles, fitted with a lamp and a luminaire cover in which the lamp has a bulb with a coating of a first layer comprising a pigment, which pigment is chosen from the group of perylene pigments, perinone pigments, isoindoline pigments, and thioindigo pigments, is remarkable for a long useful life. It is not attacked by UV radiation, moisture, and spraying salt and is resistant to temperatures of between 250 and 350.degree. C. Colored luminaires with bulb coatings comprising these pigments alone or in combination with further pigments for color correction comply with the color standards for automobile luminaires.
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Cited Art Landscape
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