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:
Nov. 17, 2009
Filed:
Oct. 24, 2007
Chang Min Lee, Goyang-si, KR;
Kil Sung Lee, Gwacheon-si, KR;
Jae Hyun Kim, Seongnam-si, KR;
Sung Hyok Kim, Hwaseong-si, KR;
Eui June Jeong, Seoul, KR;
Chang Min Lee, Goyang-si, KR;
Kil Sung Lee, Gwacheon-si, KR;
Jae Hyun Kim, Seongnam-si, KR;
Sung Hyok Kim, Hwaseong-si, KR;
Eui June Jeong, Seoul, KR;
Cheil Industries Inc., Gumi-si, KR;
Abstract
Disclosed is a pigment dispersion composition for producing a color filter. The pigment dispersion composition comprises a pigment, a binder resin, a dispersant and a solvent. The pigment is a blue anthraquinone pigment and is pretreated with a water-soluble inorganic salt and a wetting agent. The pigment dispersion composition can be used to produce a color filter for a color imaging device with good color separation and high transmittance.