Patent ID: 8986832
Filing Date: 2015-03-24
Classification: B32B,D01D,D10B,G02B,Y10T

Abstract:
1. An optical-modulation object for modulating light incident on a light incident surface of the optical-modulation object and emitting the light to the light incident surface of the optical-modulation object and/or an opposite surface of the optical-modulation object, the optical-modulation object comprising: a matrix; and a birefringent island-in-the-sea yarn arranged in the matrix, wherein the birefringent island-in-the-sea yarn comprises two or more groups of island portions arranged based on two or more spinning cores, wherein the island portions, which form one group, form spaced layers comprising three or more layers based on the spinning cores, wherein a maximum distance between the centers of adjacent island portions present in one group is smaller than a maximum distance between the centers of adjacent island portions present in two adjacent groups, and wherein spaced spaces are present between all adjacent groups, and the spaced spaces are sea components.