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. 20, 2011
Filed:
Jan. 23, 2009
Hanbitt Joo, Cheongju-si, KR;
Kabjin Hwang, Cheongju-si, KR;
Hanbitt Joo, Cheongju-si, KR;
Kabjin Hwang, Cheongju-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
An optical sheet, a backlight unit including the optical sheet, and a liquid crystal display including the backlight unit are provided. The optical sheet includes a base film including a first surface and a second surface opposite the first surface and a plurality of projections on the base film. A first thickness between the first surface and the second surface is different from a second thickness between the first surface and the second surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile