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:
Jul. 19, 2011
Filed:
Aug. 28, 2008
Tong Zhang, Oxon, GB;
David James Montgomery, Oxfordshire, GB;
James Rowland Suckling, Surrey, GB;
Harry Garth Walton, Oxford, GB;
Jonathan Mather, Oxford, GB;
Tong Zhang, Oxon, GB;
David James Montgomery, Oxfordshire, GB;
James Rowland Suckling, Surrey, GB;
Harry Garth Walton, Oxford, GB;
Jonathan Mather, Oxford, GB;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A light guide includes a light guide substrate having a top surface through which light is to be emitted, a bottom surface, an incident edge surface through which incident light is to be introduced into the light guide substrate, and another edge surface. The another edge surface includes at least one micro structure operative to reflect at least a portion of the incident light, which travels through the light guide substrate and is incident on the another edge surface, back within the light guide substrate.