Substrate-guided optical beam expander
First Claim
Patent Images
1. An optical device, comprising:
- a light transmitting substrate having at least two major surfaces and edges;
optical means for coupling light into said substrate by total internal reflection, and a plurality of partially reflecting surfaces located in said substrate, characterized in that said partially reflecting surfaces are parallel to each other.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of the substrate.
432 Citations
46 Claims
-
1. An optical device, comprising:
-
a light transmitting substrate having at least two major surfaces and edges;
optical means for coupling light into said substrate by total internal reflection, anda plurality of partially reflecting surfaces located in said substrate, characterized in that said partially reflecting surfaces are parallel to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
-
Specification