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. 16, 2014
Filed:
Dec. 14, 2012
Chi Mei Corporation, Tainan, TW;
Chi-Mei Corporation, Tainan, TW;
Abstract
An edge light backlight device includes a light guide plate having a base portion and microstructures, LEDs, and a reflective plate. The base portion has a light emitting side, a rear side, and a light incident side. The microstructures are formed on one of the light emitting side and the rear side and each of which extends from the light incident side in a longitudinal direction. Each of the microstructures includes a curved surface with a radius of curvature (R). The light guide plate has a thickness (T). R/T ratio ranges from 0.04 to 0.15 and each of the microstructures has a height ranging from 20 μm to 300 μm so that the light guide plate has a performance of local lighting ranging from 1% to 40%.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile