Patent ID: 8917450

Claim:
A light filter comprising: a first substrate having a support part; a second substrate supported by the support part; a first bonding film provided in an entire region at the second substrate side of the first substrate; a second bonding film provided in an entire region at the first substrate side of the second substrate; a first optical film provided on the first bonding film of the first substrate; a second optical film provided on the second bonding film of the second substrate and oppositely placed to the first optical film; a first electrode provided on the first bonding film of the first substrate; and a second electrode provided on the second bonding film of the second substrate and oppositely placed to the first electrode, wherein the first substrate and the second substrate are fixed by bonding of the first bonding film and the second bonding film to one another at the support part, and the first optical film, the second optical film, the first electrode, and the second electrode are formed of the same material.