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:
Oct. 11, 2011
Filed:
Oct. 03, 2006
Fook Chin NG, Penang, MY;
Siew IT Pang, Penang, MY;
Ju Chin Poh, Jahore, MY;
Sundar A. L. N. Yoganandan, Penang, MY;
Tong Fatt Chew, Penang, MY;
Thye Linn Mok, Penang, MY;
Fook Chin Ng, Penang, MY;
Siew It Pang, Penang, MY;
Ju Chin Poh, Jahore, MY;
Sundar A. L. N. Yoganandan, Penang, MY;
Tong Fatt Chew, Penang, MY;
Thye Linn Mok, Penang, MY;
Avago Technologies General IP Pte, Ltd., Singapore, SG;
Abstract
A discontinuity-containing, light-diffusing substrate is placed within an LED light source. In one embodiment, the substrate is placed between an LED light source and a light guide. The light diffusing substrate may include a plurality of air bubbles, grooves or both, effective to mix the colored light and yield a white light exiting the light guide. Methods of constructing optical devices and light sources having a bubble-containing substrate are also disclosed.