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:
Mar. 09, 2010
Filed:
Jan. 10, 2008
Applicants:
Seoungho Lee, Gimpo-si, KR;
Junghoon Lee, Cheongju-si, KR;
Inventors:
Seoungho Lee, Gimpo-si, KR;
Junghoon Lee, Cheongju-si, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film and a backlight unit having the same are disclosed. The optical film includes a base film and a first prism disposed on the base film, the first prism having a first peak height and a second prism disposed on the base film, the second prism having a second peak height. A difference between the first peak height and the second peak height is substantially 1 μm to 10 μm.