Image sensor including a double-sided spherical lens
US11552118B2 · kind B2 · utility
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2References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 3, 2020 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Feb 13, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8067
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An image sensor including: a substrate which has a first surface and a second surface opposite to the first surface and pixels arranged in a two-dimensional array, wherein each of the pixels includes a photodiode; a multi-wiring layer arranged on the first surface of the substrate; a color filter layer arranged on the second surface of the substrate and including color filters that respectively correspond to the pixels; and a lens layer arranged on the color filter layer and including a double-sided spherical lens, wherein the double-sided spherical lens includes at least two material layers having different refractive indexes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.