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Packaged micromirror array for a projection display

  • US 20040218293A1
  • Filed: 05/28/2004
  • Published: 11/04/2004
  • Est. Priority Date: 08/30/2000
  • Status: Active Grant
First Claim
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1. A packaged micromirror array for a projection display, comprising:

  • array of micromirrors that are capable of movement between an OFF state and an ON state by pulse width modulation to achieve a gray scale image on a target; and

    wherein each micromirror corresponds to a pixel in a viewed image on the target;

    a package having a light transmissive window, wherein the array of micromirrors is disposed in the package having the light transmissive window;

    a rectangular mask disposed on or above the micromirror array;

    wherein each micromirror has a single convex protrusion in the direction of a side of the rectangular array and has no substantial sides parallel to said side of the rectangular array;

    wherein a horizontal row of micromirrors extends corner to corner in the row parallel to a side of the rectangular array, and wherein vertical lines corresponding to addressing columns extend from each micromirror in the row and connect to every other row of micromirrors; and

    wherein a vertical column of micromirrors extends corner to corner in the column parallel to a side of the rectangular array, and wherein horizontal lines corresponding to addressing rows extend from each micromirror in the column and connect to every other column of micromirrors

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