DISPLAY WAVEGUIDE ASSEMBLY WITH COLOR CROSS-COUPLING

A waveguide display includes a display projector for emitting polychromatic image light, and a waveguide assembly for transmitting image light to an exit pupil. The waveguide assembly includes two or more waveguides disposed in a stack, each having an in-coupler aligned with the other in-couplers an...

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Hauptverfasser: SAARIKKO, Pasi, HUANG, Ningfeng, LEE, Hee, Yoon, LAM, Wai Sze, Tiffany
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A waveguide display includes a display projector for emitting polychromatic image light, and a waveguide assembly for transmitting image light to an exit pupil. The waveguide assembly includes two or more waveguides disposed in a stack, each having an in-coupler aligned with the other in-couplers and an offset out-coupler aligned with the other out-couplers. The assembly is configured so that at least one color channel of the image light propagates to the exit pupil along at least two waveguides. A method for selecting the waveguides of the stack to suppress color channel splitting at the exit pupil is provided.