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. 27, 2015
Filed:
Oct. 25, 2010
Applicants:
Katalin Tóth, Pomaz, HU;
István Károly Deme, Budapest, HU;
Attila Kulcsár, Budapest, HU;
Gáza István Szeghy, Dunakeszi, HU;
Inventors:
Katalin Tóth, Pomaz, HU;
István Károly Deme, Budapest, HU;
Attila Kulcsár, Budapest, HU;
Gáza István Szeghy, Dunakeszi, HU;
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/63 (2006.01); H01J 61/44 (2006.01); C09K 11/77 (2006.01); H01J 61/16 (2006.01); H01J 61/70 (2006.01);
U.S. Cl.
CPC ...
H01J 61/44 (2013.01); C09K 11/7734 (2013.01); C09K 11/7777 (2013.01); C09K 11/7787 (2013.01); H01J 61/16 (2013.01); H01J 61/70 (2013.01);
Abstract
Disclosed herein are low pressure discharge lamps having enhanced chroma and color preference. improved color quality scale, especially at elevated color temperatures, is provided. The light generated by the light-emitting elements of the lamp, when the lamp is energized, has Color Preference Scale values, as well as delta chroma values for fifteen color samples of the Color Quality Scale, within select parameters.