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:
Apr. 16, 2013
Filed:
Dec. 03, 2007
Gerard Harbers, Sunnyvale, CA (US);
Takaaki Yagi, Saitama, JP;
Johannes W. H. S. Smitt, San Jose, CA (US);
Serge J. Bierhuizen, Santa Rosa, CA (US);
Gerard Harbers, Sunnyvale, CA (US);
Takaaki Yagi, Saitama, JP;
Johannes W. H. S. Smitt, San Jose, CA (US);
Serge J. Bierhuizen, Santa Rosa, CA (US);
Philips Lumileds Lighting Company, LLC, San Jose, CA (US);
Abstract
A backlight for a display includes a plurality of illumination modules, each illumination module including a light source and a reflective member. A portion of the reflective member is disposed over the light source. A liquid crystal display panel is disposed over the plurality of illumination modules. The reflective member is configured such that a majority of light from the light source is directed parallel to the liquid crystal display panel, to provide uniform illumination of the liquid crystal display panel. In some embodiments, the light source is at least one semiconductor light emitting diode.