| Patent Number |
Title Of Patent |
Date Issued |
| 6169613 |
Planar holographic optical device for beam expansion and display |
January 2, 2001 |
| A holographic optical device includes a light transmissive substrate carrying first and second laternally separated holographic optical elements. The first holographic optical element diffracts incident light into the substrate where it is trapped by internal reflection so that light |
| 5966223 |
Planar holographic optical device |
October 12, 1999 |
| A holographic optical device having a light transmissive substrate with a first holographic optical element carried by the substrate, and a second holographic optical element also carried by the substrate but laterally offset from the first holographic optical element. The first holograp |
| 5682255 |
Holographic optical devices for the transmission of optical signals of a plurality of channels |
October 28, 1997 |
| A holographic optical device includes a light-transmissive substrate, a first holographic optical element, and a second holographic optical element that is laterally disposed on the substrate from the first holographic optical element. At least one of the holographic optical elements |
