Patent ID: 9726349
Date: 2017-08-08
CPC Classifications: F21S,F21V,F21W,F21Y,G02B

Claim:
1. A decorative light, comprising: a perforated reflector configured to define a cavity having a length and a curved cross-section, the perforated reflector having a first major surface facing an interior of the cavity; a bulk or surface scattering diffuser laminated to a second major surface of the perforated reflector; a first microstructured film disposed adjacent the diffuser and on the opposite side of the perforated reflector, the first microstructured film extending along a first portion of the length of the cavity; a second microstructured film disposed adjacent the diffuser and on the opposite side of the perforated reflector, the second microstructured film extending along a second portion of the length of the cavity adjacent the first portion of the length of the cavity; and a light source disposed to inject light into the interior of the cavity; wherein the first microstructured film and the second microstructured film each comprise a planar major surface and a vee-grooved major surface aligned with the length of the cavity, and further wherein the vee-grooved major surface of the first microstructured film is adjacent the diffuser, and the planar major surface of the second microstructured film is adjacent the diffuser.