CMOS image sensor
US6727487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2002 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Sep 28, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/48091
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A CMOS image sensor comprising: a light receiving unit as a photoelectric conversion portion; a signal processing circuit unit; a first color filter layer array and a first microlens array layer, which are provided on an upper surface of the light receiving portion; and a second layer comprising at least one of a color filter layer and a microlens array layer, provided on a region of at least a portion of an upper surface of the signal processing circuit portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.