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Image Sensors and Related Handheld Devices

一种图像传感器、手持装置的技术，应用在图像传感器领域，能够解决影响感测指纹能力等问题，达到改善光学串扰的效果

Active Publication Date: 2021-02-23
SHENZHEN GOODIX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the image sensor is applied to optical under-display fingerprint sensing technology, optical crosstalk will affect the ability to sense fingerprints. Therefore, further improvements and innovations are required to overcome this problem

Method used

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  • Image Sensors and Related Handheld Devices
  • Image Sensors and Related Handheld Devices
  • Image Sensors and Related Handheld Devices

Examples

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Embodiment Construction

[0033] The following disclosure provides various implementations or illustrations, which can be used to achieve different features of the disclosure. Specific examples of components and arrangements are described below to simplify the present disclosure. It will be appreciated that these descriptions are merely examples and are not intended to limit the disclosure. For example, in the description below, forming a first feature on or over a second feature may include some embodiments wherein the first and second features are in direct contact with each other; and may also include In some embodiments, additional components are formed between the first and second features, such that the first and second features may not be in direct contact. In addition, this disclosure may reuse reference symbols and / or labels in various embodiments. Such repetition is for the sake of brevity and clarity, and does not in itself represent a relationship between the different embodiments and / or ...

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Abstract

The invention discloses an image sensor and a related hand-held device. The image sensor includes: a substrate doped to have a first conductivity type, the substrate has a front side and a back side, and the back side is opposite to the front side the other side of the substrate; a light collection region, configured in the substrate and adjacent to the front surface of the substrate, and used to collect photogenerated charge carriers, wherein the light collection region is doped to have the same a second conductivity type opposite to the conductivity type; and a cover disposed over the substrate, the cover having openings through which light waves can reach the light collection region and be converted into the photogenerated electricity load streamer.

Description

technical field [0001] The invention relates to an image sensor, in particular to an image sensor capable of reducing optical crosstalk and a related handheld device. Background technique [0002] The semiconductor image sensor is used for sensing light waves, and the image sensor may generate interference signals between adjacent pixels, such as optical cross-talk, which deteriorates the performance of the image sensor. Additionally, components in the peripheral area of ​​the image sensor need to remain optically dark. Components located in the peripheral zone also suffer from poor performance and generate interference signals when they are exposed to light. [0003] When the image sensor is applied to the optical under-display fingerprint sensing technology, optical crosstalk will affect the ability to sense fingerprints. Therefore, further improvements and innovations are required to overcome this problem. Contents of the invention [0004] One of the objectives of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/146
CPCH01L27/14623H01L27/14643H10K59/65H01L27/1463H01L27/14678H01L27/14636G06V40/1318H01L27/1462H01L27/14627
Inventor 赵维民
Owner SHENZHEN GOODIX TECH CO LTD
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