Image sensor having waveguides formed in color filters
US8507964B2 · kind B2 · utility
14Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2012 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Aug 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8067
Abstract
An image sensor having an array of pixels disposed in a substrate. The array of pixels includes photosensitive elements, a color filters, and waveguide walls. The waveguide walls are disposed in the color filters and surround portions of the color filters to form waveguides through the color filters. In some embodiments, metal walls may be coupled to the waveguide walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.