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Method of fabricating a light emitting diode display with integrated defect detection test

  • US 9,252,375 B2
  • Filed: 03/15/2013
  • Issued: 02/02/2016
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A method of forming a display panel comprising:

  • transferring an array of micro LED devices from one or more carrier substrates to a corresponding array of bottom electrodes within a corresponding array of subpixels on a display substrate;

    imaging a surface of the display substrate with a camera to detect irregularities in the array of micro LED devices selected from the group consisting of missing micro LED devices and contaminated micro LED devices; and

    forming a passivation layer material over a plurality of the irregularities to electrically insulate the plurality of the irregularities.

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