CPC G02B 27/0172 (2013.01) [G02B 27/0176 (2013.01); G02B 6/00 (2013.01); G02B 6/34 (2013.01); G02B 27/0101 (2013.01); G02B 27/017 (2013.01); G02B 27/0972 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0123 (2013.01); G02B 2027/0125 (2013.01); G02B 2027/0178 (2013.01)] | 16 Claims |
1. A waveguide optical engine assembly comprising:
a base;
a waveguide having an input portion and an electrochromic layer positioned adjacent to a rear surface of the waveguide; and
a projection assembly configured to project a source image,
wherein the waveguide and the projection assembly are secured to the base and the source image received by the input portion of the waveguide is displayed in a display surface of the waveguide, the electrochromic layer being configured to switch the waveguide between a transparent configuration and an opaque configuration based on an electrical stimulus.
|