CPC G02B 27/0093 (2013.01) [G02B 27/0172 (2013.01); G02C 5/14 (2013.01); G02C 11/10 (2013.01); G06F 3/013 (2013.01); G06V 20/20 (2022.01); G02B 2027/0138 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01)] | 20 Claims |
1. A display device, comprising:
a display;
a light emitter configured to emit both a non-visible light and a visible light;
an optical waveguide directly coupled to the light emitter by a single optical coupler and configured to receive and communicate both the non-visible light and the visible light, wherein the visible light is configured to be coupled to the display; and
an optical device coupled to the optical waveguide and configured to receive the non-visible light and direct a non-visible light beam to a user's eye.
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