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:
Aug. 02, 2011
Filed:
Feb. 22, 2008
Applicants:
Hong Rae Cha, Seoul, KR;
Ji Hoon Sohn, Seoul, KR;
Joon Kwon Moon, Seoul, KR;
Woon Seo Shin, Seoul, KR;
Inventors:
Hong Rae Cha, Seoul, KR;
Ji Hoon Sohn, Seoul, KR;
Joon Kwon Moon, Seoul, KR;
Woon Seo Shin, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 61/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter for a display panel includes a base unit and an external light shielding sheet. The sheet includes a plurality of pattern units provided in spaced relation adjacent the base unit to absorb external light. The base unit includes a dye or pigment for absorbing light in a specific wavelength region, and refractive indexes of the pattern units are greater than a refractive index of the base unit. The pattern units may have the same or different refractive indexes.