Automotive instrument 3-D virtual image display

  • US 5,440,428 A
  • Filed: 09/30/1993
  • Issued: 08/08/1995
  • Est. Priority Date: 09/30/1993
  • Status: Expired due to Fees
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First Claim
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1. A display system for a vehicle having a display panel mounted within view of an operator'"'"'s position, said display system comprising a first image source mounted in said vehicle for providing a first image display, a narrow band optical element disposed between said first image source and said operator'"'"'s position for creating a first color virtual image of said first image display at a first spatial location visible from said operator'"'"'s position, and a second image source for providing a second image display outside the bandwidth of said narrow band optical element, said second image source being positioned relative to said narrow band optical element to produce a second color image at a second spatial location visible from said operator'"'"'s position, wherein said narrow band optical element creates said first color virtual image at a location beyond said display panel, wherein said narrow band optical element comprises an aspheric optical element, and further wherein said aspheric optical element comprises an aspheric optical surface shaped to reduce aberrations in said first color virtual image.

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