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. 30, 2008
Filed:
Sep. 27, 2006
Applicants:
Jason C. Heikenfeld, New Richmond, OH (US);
Andrew J. Steckl, Cincinnati, OH (US);
John D. Rudolph, Cincinnati, OH (US);
Inventors:
Jason C. Heikenfeld, New Richmond, OH (US);
Andrew J. Steckl, Cincinnati, OH (US);
John D. Rudolph, Cincinnati, OH (US);
Assignee:
University of Cincinnati, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A signage device comprising one or more light sources, a waveguide or arrangement of waveguides and photoluminescent features coupled thereto. In one embodiment, a waveguide is adapted to receive light of a first wavelength and the photoluminescent features are adapted to emit light of a second wavelength in response to receiving light of the first wavelength.