×

Display apparatus

  • US 20030053206A1
  • Filed: 04/10/2002
  • Published: 03/20/2003
  • Est. Priority Date: 04/10/2001
  • Status: Abandoned Application
First Claim
Patent Images

1. A display apparatus comprising:

  • a display element for displaying an image, and an ocular optical system for enlarging an image displayed on said display element or an intermediated image thereof as a virtual image, said display apparatus being characterized in that said ocular optical system has a rotationally asymmetric Fresnel surface.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×