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:
Jun. 13, 2017
Filed:
Apr. 24, 2014
Daniel S. Wald, Portland, OR (US);
Brandon E. Wilson, Portland, OR (US);
Eric P. Stratton, Portland, OR (US);
Conor D. Kelly, Hood River, OR (US);
Daniel S. Wald, Portland, OR (US);
Brandon E. Wilson, Portland, OR (US);
Eric P. Stratton, Portland, OR (US);
Conor D. Kelly, Hood River, OR (US);
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Abstract
A system and method can mitigate or prevent contrast ratio issues due to bright light (e.g., light saturation) in a head up display (HUD). The head up display can include a waveguide combiner (or non-waveguide combiner) and a mitigator disposed to prevent or reduce bright light from being provided through the combiner. The bright light can be direct lunar light, direct solar light, or solar/lunar reflections. The mitigator dynamically selects and reduces bright background light which results in an increase of contrast ratio.