DIFFRACTIVE EYEPIECE
First Claim
1. A waveguide for viewing a projected image, the waveguide comprising:
- a substrate for guiding light;
an incoupling diffractive element disposed within or on the substrate and configured to diffract an incoupled light related to the projected image into the substrate;
a first grating disposed within or on the substrate and configured to manipulate the diffracted incoupled light from the incoupling diffractive element so as to multiply the projected image and to direct the multiplied projected image to a second grating; and
the second grating disposed within or on the substrate and configured to outcouple the manipulated diffracted incoupled light from the waveguide;
wherein the first grating and the second grating occupy a same region of the waveguide.
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Accused Products
Abstract
An eyepiece and waveguide for viewing a projected image in a virtual reality and augmented reality imaging and visualization system. The waveguide may include a substrate for guiding light. The waveguide may also include an incoupling diffractive element disposed within or on the substrate and configured to diffract an incoupled light related to the projected image into the substrate. The waveguide may further include a first grating disposed within or on the substrate and configured to manipulate the diffracted incoupled light from the incoupling diffractive element so as to multiply the projected image and to direct the multiplied projected image to a second grating. The second grating may be disposed within or on the substrate and may be configured to outcouple the manipulated diffracted incoupled light from the waveguide. The first grating and the second grating may occupy a same region of the waveguide.
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Citations
12 Claims
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1. A waveguide for viewing a projected image, the waveguide comprising:
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a substrate for guiding light; an incoupling diffractive element disposed within or on the substrate and configured to diffract an incoupled light related to the projected image into the substrate; a first grating disposed within or on the substrate and configured to manipulate the diffracted incoupled light from the incoupling diffractive element so as to multiply the projected image and to direct the multiplied projected image to a second grating; and the second grating disposed within or on the substrate and configured to outcouple the manipulated diffracted incoupled light from the waveguide; wherein the first grating and the second grating occupy a same region of the waveguide. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An eyepiece for viewing a projected image, the eyepiece comprising:
a plurality of waveguides coupled together in a layered arrangement, wherein each waveguide of the plurality of waveguides includes; a substrate for guiding light; an incoupling diffractive element disposed within or on the substrate and configured to diffract an incoupled light related to the projected image into the substrate; a first grating disposed within or on the substrate and configured to manipulate the diffracted incoupled light from the incoupling diffractive element so as to multiply the projected image and to direct the multiplied projected image to a second grating; and the second grating disposed within or on the substrate and configured to outcouple the manipulated diffracted incoupled light from the waveguide; wherein the first grating and the second grating occupy a same region of the waveguide. - View Dependent Claims (8, 9, 10, 11, 12)
Specification