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Optical sensor and electronic device having same

A technology of optical sensors and electronic devices, applied in the field of sensors, can solve problems such as increasing environmental problems

Active Publication Date: 2019-05-21
如特传感器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the recent depletion of the ozone layer, the amount of UV-B light reaching the earth's surface has increased, thereby increasing serious environmental problems

Method used

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  • Optical sensor and electronic device having same
  • Optical sensor and electronic device having same
  • Optical sensor and electronic device having same

Examples

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Embodiment Construction

[0050] Exemplary embodiments will be described in detail with reference to the accompanying drawings, but they may be implemented in various forms without being limited to the following embodiments. However, it should be understood that the present disclosure is not limited to specific embodiments, but that the present disclosure includes all modifications, equivalents, and substitutions within the spirit and scope of the present disclosure.

[0051] Although terms including ordinal numbers such as 'first', 'second', etc. can be used to describe various elements, structural elements are not limited by the terms. The terms are only used to distinguish one element from another. For example, a first structural element may be termed a second structural element without departing from the scope of the present disclosure. Similarly, a second structural element may also be referred to as a first structural element. As used herein, the term "and / or" includes any and all combinations ...

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Abstract

The present invention provides optical sensors and electronic devices having optical sensors. The optical sensor includes: an optical waveguide containing a photochromic material; an optical emitter emitting visible light to be incident on the optical waveguide; and an optical receiver detecting visible light emitted from the optical emitter and traveling through the optical waveguide. When the optical waveguide is exposed to UV light, the transmission of the optical waveguide to visible light can be altered by the photochromic material. Optical sensors and electronics having them may be implemented differently according to exemplary embodiments.

Description

technical field [0001] Devices and methods according to example embodiments generally relate to sensors, such as optical sensors capable of detecting an amount of ultraviolet (UV) light. Background technique [0002] According to the rules of ISO 21348, UV light having a wavelength of 400 nm or less is divided into various bands based on the wavelength. 98% or more of the UV light that reaches the Earth's surface through sunlight is UV light in the UV-A range. UV-A light has a wavelength of 315nm to 400nm. UV-A light has an effect on human skin and can cause, for example, skin darkening or skin aging. UV light from sunlight having a wavelength of 280 nm to 315 nm is defined as UV light in the UV-B range (hereinafter, the UV light may also be referred to as “UV-B light”). About 2% of the UV light from sunlight that reaches the Earth's surface is UV-B light. UV-B light can have serious effects on the human body, causing phenomena such as skin cancer, cataracts or erythema....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J1/04G01J1/06
CPCG01J1/0425G01J1/0209G01J1/0414G01J1/06G01J1/48G01J1/0418G01J1/429G01J1/50G01J1/0488
Inventor 赵成济金光福赵在桀金宰弘郑善太赵彻浩
Owner 如特传感器有限公司