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US 2018/0006077 A1Published application
Image sensor having photodiodes sharing one color filter and one micro-lens
AssigneeSK hynix Inc.
InventorWon-Jun LEE
Life of this patent
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Abstract
An image sensor is provides. The image sensor may include first and second photodiodes, a first color filter shared by the first and the second photodiodes, and first and second floating diffusion regions coupled to the first and the second photodiodes, respectively.
Claims20
An image sensor comprising:
- a first floating diffusion region, and first, second, third, and fourth photodiodes, which in combination form a first unit pixel;
- a second floating diffusion region, and fifth, sixth, seventh, and eighth photodiodes, which in combination form a second unit pixel,
- wherein the first, the second, the third, and the fourth photodiodes surround and share the first floating diffusion region,
- wherein the fifth, the sixth, the seventh, and the eighth photodiodes surround and share the second floating diffusion region,
- wherein the first, the third, the fifth, and the seventh photodiodes are arranged in a first direction,
- wherein the first and the seventh photodiodes are located next to each other in the first direction,
- wherein the second and the fourth photodiodes are arranged in a second direction which is perpendicular to the first direction,
- wherein the sixth and the eighth photodiodes are arranged in a third direction which is perpendicular to the first direction and is parallel to the second direction, and
- wherein the first floating diffusion region and the second floating diffusion region are arranged in the first direction.
6 more elements
An image sensor comprising:
- first to eighth photodiodes;
- a color filter overlapping and shared by two or more of the first to eighth photodiodes;
- and
- a micro-lens overlapping the color filter.
1 more element
An image sensor comprising:
- first and second photodiodes,
- a first color filter shared by the first and the second photodiodes, and
- first and second floating diffusion regions coupled to the first and the second photodiodes, respectively.
Dependencies are inferred from the claim text.