Patent ID: 11885943
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 25:
26. The electronic device of claim 17, wherein the nano structure array comprises a plurality of nano structures,
wherein the plurality of nano structures comprise a first phase shift layer configured to react with incident light passing through the first lens and change a phase of the incident light, and a second phase shift layer configured to change a phase of incident light passing through the first phase shift layer,
wherein the first phase shift layer comprises a first inner post and a first structure surrounding the first inner post,
wherein the second phase shift layer comprises a second inner post and a second structure surrounding the second inner post,
wherein the first inner post and the first structure respectively comprise materials having different refractive indices, and
wherein the second inner post and the second structure respectively comprise materials having different refractive indices.