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Method of assembling displays on substrates

  • US 7,662,008 B2
  • Filed: 04/04/2005
  • Issued: 02/16/2010
  • Est. Priority Date: 04/04/2005
  • Status: Active Grant
First Claim
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1. A method of forming a display, comprising:

  • a) introducing a first set of display elements, each having a first shape, size or surface characteristic and including a light-modulating element of a first type, onto a substrate;

    b) inducing relative motion in said display elements in said first set and said substrate sufficient to cause at least a portion of said display elements in said first set to distribute into a first plurality of receptacles on said substrate, said first plurality of receptacles having a first complementary shape, size or surface characteristic that is complementary to said first shape, size or surface characteristic;

    c) removing display elements in said first set that have not distributed into receptacles in said first plurality of receptacles;

    d) introducing a second set of display elements, having a second shape, size or surface characteristic and including a light-modulating element of a second type, onto said substrate;

    e) inducing relative motion in said display elements in said second set and said substrate sufficient to cause at least a portion of said display elements in said second set to distribute into a second plurality of receptacles on said substrate, said second plurality of receptacles having a second complementary shape, size or surface characteristic that is complementary to said second shape, size or surface characteristic;

    f) removing display elements in said second set that have not distributed into receptacles in said second plurality of receptacles;

    g) connecting display elements distributed into receptacles on said substrate to said substrate; and

    h) connecting display elements of said first set to said substrate prior to introducing said second set of display elements onto said substrate.

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