CPC G02B 6/3522 (2013.01) [G02B 6/0016 (2013.01); G02B 6/02076 (2013.01); G02B 6/02276 (2013.01); G02B 27/0081 (2013.01)] | 20 Claims |
1. A waveguide display, comprising:
a source of light modulated with an image data; and
a waveguide comprising:
at least one transmission grating;
at least one reflection grating, wherein said at least one reflection grating and said at least one transmission grating at least partially overlap;
at least one input coupler for coupling light from said source of light into a total internal reflection (TIR) path in said waveguide towards the at least partially overlapping at least one transmission grating and at least one reflection grating; and
at least one output coupler, wherein the at least partially overlapping at least one transmission grating and at least one reflection grating are configured to redirect the light to the at least one output coupler which is configured to output the light.
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