×

LIGHT REDIRECTING FILM AND METHOD FOR MANUFACTURING THE SAME

  • US 20190025605A1
  • Filed: 11/21/2017
  • Published: 01/24/2019
  • Est. Priority Date: 07/20/2017
  • Status: Active Grant
First Claim
Patent Images

1. A light redirecting film comprising:

  • a substrate;

    a first diffraction grating layer formed on the substrate, and the first diffraction grating layer comprising a plurality of first gratings along with first direction; and

    a second diffraction grating layer formed on the first diffraction grating layer, and the second diffraction grating layer comprising a plurality of second gratings along with second direction;

    wherein the first direction and the second direction cross each other at an angle of 90±

    10°

    ;

    wherein the first diffraction grating layer includes a first curable resin having a first refractive index of n1, and the second diffraction grating layer includes a second resin having a second refractive index of n2, and the difference of n1 and n2 is no less than 0.1 and no more than 0.3.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×