Aperture frame for liquid crystal display device

  • US 6,414,337 B1
  • Filed: 11/10/2000
  • Issued: 07/02/2002
  • Est. Priority Date: 11/10/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A microdisplay device, comprising:

  • (a) a matrix of pixels disposed on the top surface of a substrate;

    (b) a layer of transparent material having a top surface and a bottom surface, the bottom surface of said layer of transparent material being disposed adjacent to the top surface of said substrate;

    (c) a seal disposed between the substrate and the layer of transparent material, said seal arranged to form a perimeter around the matrix of pixels;

    (d) an annulus formed by a region bounded by the top surface of the substrate, the bottom surface of the layer of transparent material, and an inside of the perimeter formed by the seal, said annulus being filled with a liquid crystal; and

    (e) a layer of reflective material disposed between the top surface of the substrate and the bottom surface of the layer of transparent material, said layer of reflective material patterned to form a frame around the matrix of pixels.

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