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. 24, 2005
Filed:
May. 15, 2003
Applicants:
Brian J. Hillstrom, Milford, MI (US);
Robert Krohn, Annapolis, MD (US);
Inventors:
Brian J. Hillstrom, Milford, MI (US);
Robert Krohn, Annapolis, MD (US);
Assignee:
Marketing Display, Inc., Farmington Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F013/18 ;
U.S. Cl.
CPC ...
Abstract
A display device is provided comprising a transparent panel having a light receiving edge and a face. A plurality of laser etched grooves are formed in the face of the panel such that the grooves increase in depth as the grooves extend away from the light receiving edge of the panel. The grooves include a bottom surface having a contour that matches a contour of the face of the panel. The grooves also include a plurality of diffusive sections and a plurality of internally reflective sections.