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Optical fiber capable of converting wavelength and backlight unit using the same

  • US 10,459,167 B2
  • Filed: 08/22/2018
  • Issued: 10/29/2019
  • Est. Priority Date: 11/24/2017
  • Status: Active Grant
First Claim
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1. An optical fiber, comprising:

  • a core portion; and

    a cladding portion that covers an outer peripheral surface of the core portion;

    wherein the cladding portion has a plurality of openings extending from an inside toward an outside along an extending direction of the core portion,wherein the plurality of openings has a first crevice with which a color conversion material is filled and a second crevice with which a color conversion material is not filled,wherein the first crevice and the second crevice are adjacent to each other.

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