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LED lighting apparatus formed by a printable composition of a liquid or gel suspension of diodes and methods of using same

  • US 9,316,362 B2
  • Filed: 04/21/2015
  • Issued: 04/19/2016
  • Est. Priority Date: 05/31/2007
  • Status: Active Grant
First Claim
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1. An elongate lighting apparatus comprising:

  • a base having a first end and a second end;

    a substantially planar illuminating element coupled to the base;

    a lensing, light diffusion or light dispersion structure, cover or filter coupled to the base; and

    at least one first electrical interface coupled to at least one of the first or second ends of the base, the at least one first electrical interface comprising at least one end cap; and

    wherein the illuminating element comprises;

    at least a trace amount of a first solvent;

    a viscosity modifier or a cured or polymerized viscosity modifier; and

    a plurality of light emitting diodes having a width less than or equal to 50 microns, each light emitting diode of the plurality of light emitting diodes comprising;

    a light emitting region, the light emitting or absorbing region having a mesa region;

    at least one first terminal coupled to the light emitting region; and

    at least one second terminal coupled to the light emitting region.

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