Color separation element and image sensor including the same
US11652121B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | Nov 25, 2020 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Jul 24, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8053
Abstract
A color separation element and an image sensor including the same are disclosed. The color separation element includes a spacer layer, and a color separation lens array including at least one nano-post provided in the spacer layer to control a phase distribution of incident light so that light having the same wavelength of the incident light is multi-focused on a plurality of target regions; and periodic regions in which the phase distribution control layer is repeatedly arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.