Shaped color filter

US10636825B2 · kind B2 · utility

Assignee

• Applied Materials, Inc. · US

Inventors

• Joseph R. Johnson · Palo Alto, US
• Robert Jan Visser · Menlo Park, US
• Wayne MCMILLAN · San Jose, US
• Rutger Meyer Timmerman Thijssen · Sunnyvale, US

Key dates

• Filing date: Jul 12, 2017
• Grant date: Apr 28, 2020
• Expiry date: Nov 29, 2037

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F39/807

Abstract

Embodiments described herein generally relate to an apparatus for capturing an image and a photoactive device for that apparatus. In one embodiment, the apparatus for capturing an image includes a lens and a photoactive device. The photoactive device is positioned behind the lens. The photoactive device includes a substrate, one or more photodiodes, and a color filter array. The one or more photodiodes are formed in the substrate. The color filter array is positioned over the substrate. The color filter array has one or more color filters. Each color filter has a radiation receiving surface that is shaped to re-direct radiation to a respective photodiode.