Title:
ULTRA-COMPACT HEAD-UP DISPLAYS BASED ON FREEFORM WAVEGUIDE
Document Type and Number:
WIPO Patent Application WO/2016/033317
Kind Code:
A8
Abstract:
Ultra-compact head-up displays with freeform waveguides are provided. A segmented freeform waveguide, comprising: first and second elongated optical surfaces each having respective first and second ends, the first ends thereof joined to one another at a first end of the waveguide and the second ends thereof disposed in spaced apart relation, the second optical surface comprising at least two surface segments, the segments comprising a step height change therebetween; and a third optical surface disposed between the second ends of the first and second elongated optical surfaces, at least one of the first, second, and third optical surfaces having optical power.
Inventors:
HUA HONG DR (US)
Application Number:
PCT/US2015/047163
Publication Date:
April 07, 2016
Filing Date:
August 27, 2015
Export Citation:
Assignee:
UNIV ARIZONA STATE (US)
International Classes:
G02B17/08
Attorney, Agent or Firm:
HAUN, Niels et al. (Dorfman Herrell and Skillman, P.C.,1601 Market Street, Suite 240, Philadelphia PA, US)
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