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:
Apr. 15, 2014
Filed:
Nov. 29, 2010
Seong Sik Park, ChungCheongNam-Do, KR;
Eun Young Cho, ChungCheongNam-Do, KR;
Seung Won Park, ChungCheongNam-Do, KR;
IN Sung Sohn, ChungCheongNam-Do, KR;
Seong Sik Park, ChungCheongNam-Do, KR;
Eun Young Cho, ChungCheongNam-Do, KR;
Seung Won Park, ChungCheongNam-Do, KR;
In Sung Sohn, ChungCheongNam-Do, KR;
Abstract
An optical film for reducing color shift is provided in front of a display panel. The optical film includes a background layer, and a plurality of lens parts, which are spaced apart from each other, engraved or embossed on the background layer. The lens parts diffuse light incident thereon and then to mix the diffused light with light passing between the lens parts. The lens parts have a depth to width ratio of 0.25 or more, a spacing to pitch ratio ranging from 0.5 to 0.95, and a pitch of 45 μm or less. A display device may include the optical film.