×

RECONFIGURABLE INTERACTIVE INTERFACE DEVICE INCLUDING AN OPTICAL DISPLAY AND OPTICAL TOUCHPAD THAT USE AEROGEL TO DIRECT LIGHT IN A DESIRED DIRECTION

  • US 20060256092A1
  • Filed: 05/12/2006
  • Published: 11/16/2006
  • Est. Priority Date: 05/12/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. An interface device including an optical display that can also be used as an optical touchpad, said interface device comprised of:

  • a light guide for directing light along a plurality of different light paths;

    at least one surface feature disposed in a surface of the light guide, wherein the surface feature enables light to enter and escape from the light guide;

    a light bending layer disposed against the surface of the light guide, for bending light that enters and exits the at least one surface feature;

    a plurality of light insertion points that enable light to be injected into the light guide;

    a plurality of light sources, one light source for each of the plurality of light insertion points; and

    a plurality of optical sensors, one optical sensor disposed at each of the light insertion points.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×