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Image display apparatus

  • US 5,757,544 A
  • Filed: 03/08/1994
  • Issued: 05/26/1998
  • Est. Priority Date: 03/09/1993
  • Status: Expired due to Fees
First Claim
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1. An image display apparatus comprising:

  • an illuminating light source;

    a transmissive image display device for displaying an image by transmitting light from said illuminating light source;

    an ocular optical system for projecting the image formed by said transmissive image display device inside an observer'"'"'s eyeball as an enlarged image; and

    a diffusing optical clement disposed between said transmissive image display device and said ocular optical system and having a diffusing surface that diffuses light passing through said transmissive image display device,wherein said diffusing optical element is disposed near said image formed by said transmissive image display device to enlarge a pupil by diffusing said image, andsaid diffusing surface is curved to correct curvature of field produced by said ocular optical system.

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