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:
Jan. 22, 2008
Filed:
Nov. 02, 2004
Anant Achyut Setlur, Niskayuna, NY (US);
Emil Vergilov Radkov, Euclid, OH (US);
Alok Mani Srivastava, Niskayuna, NY (US);
Stanton Earl Weaver, Northville, NY (US);
Thomas Elliot Stecher, Scotia, NY (US);
Holly Ann Comanzo, Niskayuna, NY (US);
Anant Achyut Setlur, Niskayuna, NY (US);
Emil Vergilov Radkov, Euclid, OH (US);
Alok Mani Srivastava, Niskayuna, NY (US);
Stanton Earl Weaver, Northville, NY (US);
Thomas Elliot Stecher, Scotia, NY (US);
Holly Ann Comanzo, Niskayuna, NY (US);
Lumination LLC, Valley View, OH (US);
Abstract
There is provided a blue-green illumination system, including a semiconductor light emitter, and a luminescent material, wherein the system has an emission with CIE color coordinates located within an area of a of a pentagon on a CIE chromaticity diagram, whose corners have the following CIE color coordinates: i) x=0.0137 and y=0.4831; ii) x=0.2240 and y=0.3890; iii) x=0.2800 and y=0.4500; iv) x=0.2879 and y=0.5196; and v) x=0.0108 and y=0.7220. The luminescent material includes two or more phosphors. The illumination system may be used as the green light of a traffic light or an automotive display.