Patent ID: 9625731
Date: 2017-04-18
CPC Classifications: G02B,G02C,G02F

Claim:
1. Three-dimensional (3D) glasses, comprising a frame, a left lens and a right lens, the left lens and the right lens each comprising a transparent base layer, wherein each of the left lens and the right lens further comprises a light-sensitive material layer, which is in a first state when being irradiated by a light beam with a predetermined characteristic and in a second state when being not irradiated by the light beam with the predetermined characteristic, wherein the first state is one of a light-transmitting state and a light-proof state, and the second state is the other one of the light-transmitting state and the light-proof state, and the light-sensitive material layer of the left lens is made of a photochromic material identical to that of the right lens.