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Methods for forming a pixel of a micro-chip light-emitting diode light source and a plurality of light-emitting diode pixels arranged in a two-dimensional array

  • US 8,624,274 B2
  • Filed: 08/22/2011
  • Issued: 01/07/2014
  • Est. Priority Date: 11/06/2007
  • Status: Active Grant
First Claim
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1. A method for forming a plurality of light-emitting diode pixels arranged in a two-dimensional array, the method comprising:

  • simultaneously forming a plurality of first layers arranged in a two-dimensional array on a first chip substrate by deposition technique;

    forming a plurality of second layers and a plurality of first light-emitting active layers on the first layers correspondingly;

    forming a plurality of first intermediate layers on the second layers;

    forming a plurality of third layers arranged in a two-dimensional array on a second chip substrate;

    forming a plurality of fourth layers and a plurality of second light-emitting active layers on the third layers correspondingly;

    placing the third layers, the fourth layers, and the second light-emitting active layers on the first intermediate layers; and

    forming a plurality of first, a plurality of second, a plurality of third, and a plurality of fourth electrodes coupled with the first, second, third and fourth layers, respectively,wherein the first light-emitting active layer is driven by the first and second electrodes to emit one color of light, and the second light-emitting active layer is driven by the third and fourth electrodes to emit another color of light.

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