Patent ID: 8545062
Filing Date: 2013-10-01
Classification: F21V,F21Y,G02B

Abstract:
1. A light uniformization structure, comprising: a first material layer, being light transmissive and having a first surface and a second surface opposite to each other, a plurality of microstructures provided in the first surface of the first material layer, and the microstructures of the first material layer structured in stripes extending along a first main axis; a second material layer, being light transmissive and having a first surface and a second surface opposite to each other, a plurality of microstructures provided in the first surface of the second material layer, the microstructures of the second material layer structured in stripes extending along a second main axis, and an angle formed between the first main axis and the second main axis being greater than or equal to 10° and being smaller than or equal to 90°; and a spacer layer, located between the first material layer and the second material layer, wherein a refractive index of the spacer layer is smaller than a refractive index of the first material layer and a refractive index of the second material layer.