Unit pixel array and image sensor having the same
US8970768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Apr 23, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8063
Abstract
A unit pixel array of an image sensor includes a semiconductor substrate having a plurality of unit pixels, an interlayer insulating layer disposed on a front side of the semiconductor substrate, a plurality of color filters disposed on a back side of the semiconductor substrate, a plurality of light path converters, each of the light path converters being disposed adjacent to at least one color filter and having a pair of slanted side edges extending from opposing ends of a horizontal bottom edge, and a plurality of micro lenses disposed on the color filters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.