Image sensor
US7289251B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2002 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Nov 9, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F77/413
Abstract
An image sensor is disclosed, in which the image sensor changes the diameter of a lens from the center area of a chip to an edge thereof to obtain uniform sensitivity as a whole. The image sensor includes a plurality of light-receiving portions for converting a signal corresponding to the light of an object to an electrical signal, and a pixel array area having a plurality of micro lenses formed above the light receiving portions and respectively corresponding to the light-receiving portions to focus the light. In the image sensor, the respective micro lenses change their diameters from the center of the pixel array area to the edge thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.