Image sensor

An image sensor is provided. The image sensor includes a substrate, first photodiodes, second photodiodes, an interlayer, a light-guiding structure, and a micro-lens layer. The first photodiodes and the second photodiodes are alternately disposed in the substrate. The area of each of the first photo...

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Bibliographic Details
Main Authors CHANG, YUAN-SHUO, WU, CHINGIANG
Format Patent
LanguageChinese
English
Published 01.08.2022
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:An image sensor is provided. The image sensor includes a substrate, first photodiodes, second photodiodes, an interlayer, a light-guiding structure, and a micro-lens layer. The first photodiodes and the second photodiodes are alternately disposed in the substrate. The area of each of the first photodiodes is less than the area of each of the second photodiodes from a top view. The interlayer is disposed on the substrate. The light-guiding structure is disposed in the interlayer and over at least one of the first photodiodes or the second photodiodes. The refractive index of the light-guiding structure is greater than the refractive index of the interlayer. The micro-lens layer is disposed on the interlayer.
Bibliography:Application Number: TW202110109304