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. 12, 2013
Filed:
Sep. 29, 2009
Daisaku Abiru, Kanagawa, JP;
Daisaku Abiru, Kanagawa, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
A plurality of substantially conical or pyramidal elements are formed inside a sheet-like binder. The binder has smooth surfaces. The elements and the binder cooperate to refract light incident on a brightness enhancement sheet from a surface on a diffusion sheet side to the other surface in a direction normal to the brightness enhancement sheet. Thus, the front brightness is enhanced. The elements are distributed along one of the surfaces of the brightness enhancement sheet with vertices pointing in one direction toward one of the surfaces. The elements are formed by trapping gas bubbles in the binder and differ in refractive index from the binder.