ARCHITECTURES AND METHODS FOR OUTPUTTING DIFFERENT WAVELENGTH LIGHT OUT OF WAVEGUIDES
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Accused Products
Abstract
Architectures are provided for selectively outputting light for forming images, the light having different wavelengths and being outputted with low levels of crosstalk. In some embodiments, light is incoupled into a waveguide and deflected to propagate in different directions, depending on wavelength. The incoupled light then outcoupled by outcoupling optical elements that outcouple light based on the direction of propagation of the light. In some other embodiments, color filters are between a waveguide and outcoupling elements. The color filters limit the wavelengths of light that interact with and are outcoupled by the outcoupling elements. In yet other embodiments, a different waveguide is provided for each range of wavelengths to be outputted. Incoupling optical elements selectively incouple light of the appropriate range of wavelengths into a corresponding waveguide, from which the light is outcoupled.
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Citations
53 Claims
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1-24. -24. (canceled)
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25. An optical system comprising:
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a waveguide comprising a first major surface and a second major surface; an incoupling optical element configured to incouple incident light into the waveguide; a first wavelength selective filter on the first major surface, the first wavelength selective filter having a first rearward surface adjacent the first major surface and a first forward surface opposite the first rearward surface, the first wavelength selective filter configured to; transmit incoupled light at a first plurality of wavelengths through the first rearward surface of and reflect a portion of the transmitted light at the first plurality of wavelengths from the first forward surface; and reflect incoupled light at other wavelengths; and a first outcoupling optical element disposed on the first wavelength selective filter, the first outcoupling optical element configured to outcouple the incoupled light of the first plurality of wavelengths transmitted through the first wavelength selective filter. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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47. An optical system comprising:
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a plurality of stacked waveguides, each waveguide comprising a first major surface and a second major surface, each waveguide further comprising; an incoupling optical element configured to incouple incident light into the waveguide; a first wavelength selective filter on the first major surface, the first wavelength selective filter having a first rearward surface adjacent the first major surface and a first forward surface opposite the first rearward surface, the first wavelength selective filter configured to; transmit incoupled light at a first plurality of wavelengths through the first rearward surface of and reflect a portion of the transmitted light at the first plurality of wavelengths from the first forward surface; and a first outcoupling optical element disposed on the first wavelength selective filter, the first outcoupling optical element configured to outcouple the incoupled light of the first plurality of wavelengths transmitted through the first wavelength selective filter. - View Dependent Claims (48, 49, 50, 51, 52)
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53-76. -76. (canceled)
Specification