Image sensor with a conjugate lens arrangement
US7291826B2 · kind B2 · utility
17Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 12, 2005 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Aug 12, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8063
Abstract
An image sensor pixel structure including a photosensitive area; a stacking of insulating layers covering the photosensitive area; and a device for focusing the light of the pixel to the photosensitive area. The focusing device includes first and second microlenses, the first microlens being arranged between layers of the stacking and substantially conjugating the second microlens with the photosensitive area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.