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:
May. 29, 2007
Filed:
Dec. 23, 2003
David J. Lamb, St. Paul, MN (US);
Keith M. Kotchick, St. Paul, MN (US);
Mark E. Gardiner, St. Paul, MN (US);
Mark B. O'neill, St. Paul, MN (US);
Patrick H. Marushin, St. Paul, MN (US);
Kenneth A. Epstein, St. Paul, MN (US);
Philip E. Watson, St. Paul, MN (US);
David J. Lamb, St. Paul, MN (US);
Keith M. Kotchick, St. Paul, MN (US);
Mark E. Gardiner, St. Paul, MN (US);
Mark B. O'Neill, St. Paul, MN (US);
Patrick H. Marushin, St. Paul, MN (US);
Kenneth A. Epstein, St. Paul, MN (US);
Philip E. Watson, St. Paul, MN (US);
Other;
Abstract
Backlighting systems are disclosed, which include a lightguide with at least one light source optically connected to an edge of the lightguide for supplying light into its interior and a reflective cavity with at least one light source optically connected to the reflective cavity for supplying light into its interior. The reflective cavity may include a first reflector and a second reflector and at least one source may be disposed at an edge of the reflective cavity. Alternatively, the reflective cavity may include a back reflector portion and light sources may be disposed at the back reflector portion.