Frontside-illuminated image sensor
AssigneeEnkris Semiconductor, Inc.
InventorsYuchao CHEN, Kai CHENG
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Abstract
The present disclosure provides a frontside-illuminated image sensor, including: a base, a photosensitive unit, a color filter unit and a lens structure. The base has charge storage regions. The photosensitive unit is on the base, the photosensitive unit includes photosensitive layers for different colors, and one of the photosensitive layers is electrically connected to one of the charge storage regions. The color filter unit is at a side of the photosensitive unit away from the base, the color filter unit includes color filter layers for different colors, and one of the color filter layers corresponds to one of the photosensitive layers. The lens structure is at a side of the color filter unit away from the base.
Claims10
A frontside-illuminated image sensor, comprising:
- a base having charge storage regions;
- a photosensitive unit above the base, wherein the photosensitive unit comprises photosensitive layers for different colors, and one of the photosensitive layers is electrically connected to one of the charge storage regions;
- a color filter unit at a side of the photosensitive unit away from the base, wherein the color filter unit comprises color filter layers for different colors, and one of the color filter layers corresponds to one of the photosensitive layers;
- and
- a lens structure at a side of the color filter unit away from the base.
Dependencies are inferred from the claim text.