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:
Feb. 21, 2012
Filed:
Jan. 31, 2008
Applicants:
Seoungwon Lee, Daejeon, KR;
Kangyoon Kim, Cheongju-si, KR;
Inventors:
Seoungwon Lee, Daejeon, KR;
Kangyoon Kim, Cheongju-si, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A display filter including a base portion having a recess, a first part disposed in the recess and having a first refractive index different from a refractive index of the base portion, and a second part disposed in the recess and having a second refractive index different from at least one of the first refractive index of the first part and the refractive index of the base portion.