Manufacturing method of light emitting diode device and light emitting diode device having light emitting units with each light emitting unit including second sub light emitting unit in tandem with first sub light emitting unit

  • US 10,644,195 B2
  • Filed: 11/15/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 03/15/2017
  • Status: Active Grant
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