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. 01, 2009
Filed:
Aug. 05, 2003
Applicants:
Gerardus DE Keyzer, Riehen, CH;
Taher Yousaf, Basel, CH;
Vadiraj Subbanna Ekkundi, Mumbai, IN;
Chandrasekhar Dayal Mudaliar, Mumbai, IN;
Inventors:
Gerardus de Keyzer, Riehen, CH;
Taher Yousaf, Basel, CH;
Vadiraj Subbanna Ekkundi, Mumbai, IN;
Chandrasekhar Dayal Mudaliar, Mumbai, IN;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/08 (2006.01); C02B 27/00 (2006.01); C09B 47/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to novel liquid crystal displays comprising a broad backlight emission around 530 nm and a green color filter containing a phthalocyanine colorant, most adequately tetrahydroxy- or tetraalkoxy-substituted but lacking solubilizing groups.