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:
Jul. 22, 2014
Filed:
Apr. 14, 2011
Timothy A. Mccollum, Avon Lake, OH (US);
Fumitomo Hide, San Jose, CA (US);
Martin G. Selbrede, The Woodlands, TX (US);
Daniel K. Van Ostrand, The Woodlands, TX (US);
Timothy A. McCollum, Avon Lake, OH (US);
Fumitomo Hide, San Jose, CA (US);
Martin G. Selbrede, The Woodlands, TX (US);
Daniel K. Van Ostrand, The Woodlands, TX (US);
Rambus Delaware LLC, Brecksville, OH (US);
Abstract
The attenuation of light per unit length in a waveguide as a result of active pixels (i.e., open pixels) may be corrected or mitigated by injecting apodized light into the waveguide. A light injection system and method is provided to enhance the luminous uniformity of the active pixels in a waveguide-based display. Embodiments of the present invention include a slab waveguide having a first edge and a second edge that intersect at a vertex, a first light source disposed along the first edge, and a second light source disposed along the second edge. The first light source, or the second light source, or both, comprises an apodized light source.