IMAGE SENSOR HAVING MICRO LENSES ARRANGED IN DIFFERENT PERIODS
First Claim
Patent Images
1. An image sensor comprising:
- a pixel area structured to include photosensing pixels that detect light of a scene to produce pixel signals representing the detected scene including spatial information of the detected scene; and
a peripheral area structured to surround the pixel area and to shield light,wherein the pixel area includes first micro lenses positioned over the photosensing pixels in a periodic array with a first spatial period, and the peripheral area includes second micro lenses in a periodic array with a second, different spatial period.
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Abstract
An image sensor including a pixel area and a peripheral area surrounding the pixel area is described. The pixel area may include first micro lenses. The peripheral area may include second micro lenses. The first micro lenses may be arranged with a first period. The second micro lenses may be arranged with a second period different from the first period.
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Citations
24 Claims
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1. An image sensor comprising:
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a pixel area structured to include photosensing pixels that detect light of a scene to produce pixel signals representing the detected scene including spatial information of the detected scene; and a peripheral area structured to surround the pixel area and to shield light, wherein the pixel area includes first micro lenses positioned over the photosensing pixels in a periodic array with a first spatial period, and the peripheral area includes second micro lenses in a periodic array with a second, different spatial period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An image sensor comprising:
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a first pixel area structured to include first pixels each operable to sense light and to produce a pixel signal representing sensed light; and a peripheral area surrounding the first pixel area, the first pixel area comprising; first pixel grid patterns that are disposed over a substrate and are formed by the first pixels; first pixel color filters formed in spaces between the first pixel grid patterns; a first pixel overcoating layer over the first pixel color filters; and first pixel micro lenses disposed over the first pixel overcoating layer, the peripheral area comprising; a shield layer disposed over the substrate; a peripheral overcoating layer disposed over the shield layer; and peripheral micro lenses disposed over the peripheral overcoating layer, wherein the first pixel micro lenses are arranged in a first periodic pattern with a first spatial period, and wherein the peripheral micro lenses are arranged in a second periodic pattern with a second spatial period different from the first spatial period. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. An image sensor comprising:
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an inner pixel area which detects light of a scene to produce pixel signals representing the detected scene including spatial information of the detected scene and including first micro lenses arranged with a first period; an outer pixel area located to surround the inner pixel area and including second micro lenses arranged with a second period; a peripheral area located to surround the outer pixel area and including third micro lenses arranged with a third period; wherein two of the first period, the second period, and the third period are different from each other. - View Dependent Claims (22, 23, 24)
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Specification