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. 07, 2009
Filed:
Oct. 05, 2007
Heng-sheng Kuo, Taipei 106, TW;
Heng-Sheng Kuo, Taipei 106, TW;
Other;
Abstract
A light-guiding structure includes a light-guiding plate, and an LED set matched with the light-guiding plate. The characteristic is that the light-guiding plate has a light-entering surface, and there are a plurality of ditches on the light-entering surface. A light-entering interface is formed between two adjacent ditches. The LED set corresponds to the light-entering surface of the light-guiding plate, and each of the LEDs of the LED set corresponds to one light-entering interface. By utilizing the light-entering interface and the ditches, the light is uniformly spread. The light is uniformly spread at the light-entering surface of the light-guiding plate so that the bright point does not occur. The light is uniformly emitted from the light-emitting surface and the illumination is enhanced.