Patent ID: 9678272
Date: 2017-06-13
CPC Classifications: G02B

Claim:
1. A flexible optical substrate that allows incident light or optical signals to be propagated or transmitted therethrough, the flexible optical substrate comprising unitary structures, wherein each of the unitary structures includes a film-like resin material that has a central portion and one or more strips provided outwardly of the central portion, one end of each of the one or more strips is connected to the central portion, the unitary structures are elastic unitary structures having elasticity, each of the one or more strips has a form which is curved to make turns around the central portion, each of the unitary structures has a clearance between at least one of the one or more strips and the central portion, and/or between two adjacent strips of the one or more strips, and two adjacent unitary structures are linked by at least part of the strips of the two adjacent unitary structures.