Patent ID: 9696565
Date: 2017-07-04
CPC Classifications: G02B,G02C,G02F

Claim:
1. A liquid crystal lens, comprising a first substrate and a second substrate which are aligned-and-assembled, and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first substrate comprises a first transparent substrate base, and a first alignment film comprising a plurality of first alignment grooves, the first alignment film is provided on the first transparent substrate base, the first alignment grooves extend to the edge of the liquid crystal lens in annular shapes with a geometric center located at the geometric center of the liquid crystal lens, the second substrate comprises a second transparent substrate base, and a second alignment film comprising a plurality of second alignment grooves, the second alignment grooves correspond to the first alignment grooves, and the second alignment film is provided on the second transparent substrate base, the liquid crystal layer is disposed between the first alignment film and the second alignment film, wherein alignment grooves of the plurality of first alignment grooves and alignment grooves of the plurality of second alignment grooves corresponding to the alignment grooves of the plurality of first alignment grooves form annular regions, and wherein annular regions are isolated from each other.