Patent · US Expired

CMOS image sensor

US6727487B2 · kind B2 · utility

6Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 2002
Grant dateApr 27, 2004
Priority date
Expiry dateSep 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.