Wavelength converting layer patterning for LED arrays

  • US 10,879,431 B2
  • Filed: 12/19/2018
  • Issued: 12/29/2020
  • Est. Priority Date: 12/22/2017
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • depositing a wavelength converting layer onto a surface, the wavelength converting layer comprising a photoinitiator and a binder material; and

    patterning the wavelength converting layer by applying a nanoimprint lithography process to the wavelength converting layer, the nanoimprint lithography process comprising;

    applying a nanoimprint mold on the wavelength converting layer;

    curing the wavelength converting layer such that the photoinitiator experiences decarboxylation; and

    removing the nanoimprint mold from the wavelength converting layer after the curing.

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