Image/information displays on electro-optic devices

  • US 5,689,370 A
  • Filed: 12/21/1995
  • Issued: 11/18/1997
  • Est. Priority Date: 08/30/1995
  • Status: Expired due to Term
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First Claim
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1. An electro-optically dimming rearview mirror for motor vehicles, said mirror comprising, in combination, front and rear spaced elements, said front element and said rear element defining a chamber therebetween, said front element being transparent, one side of such front element confronting said rear element including transparent electrically conductive means, one side of said rear element confronting said front element including means providing both light reflective and electrically conductive functions, said chamber containing an electro-optic reversibly variable transmittance medium in contact with said transparent electrically conductive means on said front element and said means providing both light reflective and electrically conductive functions on said rear element, said means providing both light reflective and electrically conductive functions on said rear element being effective to reflect light through said medium and through said front element when said light reaches said means providing both light reflective and electrically conductive functions after passing through said medium and through said front element, said mirror including indicia means formed of electrically conductive material and projecting partially into said chamber from and beyond said means providing both light reflective and electrically conductive functions on said one side of said rear element confronting said front element, said indicia means terminating in spaced relationship with respect to said transparent electrically conductive means on said one side of said front element, said indicia means being visible through said medium and through said front element, and means including said indicia means for applying electrical potential to said electro-optic medium to cause variations in the light transmittance of said electro-optic medium.

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