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:
Jan. 24, 2017
Filed:
Jul. 29, 2010
Hiroshi Yamamoto, Kawaguchi, JP;
Hiroshi Sekiguchi, Tokyo, JP;
Masahiro Goto, Kashiwa, JP;
Keiji Kashima, Tokorozawa, JP;
Hiroshi Yamamoto, Kawaguchi, JP;
Hiroshi Sekiguchi, Tokyo, JP;
Masahiro Goto, Kashiwa, JP;
Keiji Kashima, Tokorozawa, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Abstract
A light guide plate has a light exit surface, a back surface opposed to the light exit surface, and a light entrance surface consisting of at least part of a side surface. The light guide plate also has a body portion, and a light exit-side layer formed from an ionizing radiation curable resin. The light exit-side layer includes an optical element portion which defines the light exit surface. The optical element portion includes unit shaped elements arranged in one direction intersecting a light guide direction, each unit shaped element extending linearly in a direction intersecting the one direction.