Patent ID: 11914231
Assignee: MITSUI CHEMICALS, INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The lens according to claim 1, further comprising a third substrate provided between the first optical property changeable portion and the second optical property changeable portion, wherein:
the first optical property changeable portion includes a first diffraction structure that diffracts incident light, and a first liquid crystal layer that faces the first diffraction structure in the thickness direction;, the second optical property changeable portion includes a second diffraction structure that diffracts incident light, and a second liquid crystal layer that faces the second diffraction structure in the thickness direction;
the first diffraction structure is provided on a side surface of the first substrate and the third substrate; and, the second diffraction structure is provided on a side surface of the second substrate and the third substrate.