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. 18, 2012
Filed:
Oct. 26, 2009
Tsung-yu Lin, Tu-Cheng, TW;
Tsung-Yu Lin, Tu-Cheng, TW;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
An illuminating device includes a light source and a light diffusing plate. The light diffusing plate includes a light pervious substrate and a light diffusing structure. The light pervious substrate has a lower surface adjacent to the light source and an upper surface at an opposite side of the substrate to the lower surface. A through hole is defined in the substrate to expose a central portion of the light source. The light diffusing structure is formed at the upper surface and includes a plurality of first lens arrays radially extending from the through hole and a plurality of second lens arrays each arranged between two adjacent first lens arrays.