The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 1996
Filed:
Jun. 29, 1994
George Csoknyai, Orange, CT (US);
Arpad L Pirovic, Montvale, NJ (US);
Light Sources, Inc., Milford, CT (US);
Abstract
A fluorescent lamp having a logo, design or graphic information formed thereon. The glass envelope of the lamp is provided internally thereof with a coating of pigmented layer superimposed with a layer of a reflective material and one or more layers of a fluorescent material to generate the desired colored light when the lamp is energized. The logo or design is laser engraved onto the glass envelope of the lamp is a manner to ablate the respective layers of material wherever the laser beam engages the glass envelope. The arrangement is such that when the lamp is energized, the logo or design will be illuminated in the color of the light generated by the fluorescent material associated with the logo or design. In one form of the invention, multiple color light is generated by layering multiple coatings of fluorescent material internally of a lamp wherein each layer of fluorescent material will generate light of different colors. In another form, the various color light is produced by a plurality of fluorescent bands formed internally of the lamp, each band being formed by a different fluorescent material.