Wearable ultra-violet photochromic passive sensors

A wearable apparatus for indicating a threshold amount of ultra-violet (UV) light has been received by a user and method of making the same are provided. In an embodiment, a wearable apparatus includes a first material and a second material. The second material includes a color changing material tha...

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Bibliographic Details
Main Authors Lin, Yirong, Love, Norman
Format Patent
LanguageEnglish
Published 28.12.2021
Subjects
COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Summary:A wearable apparatus for indicating a threshold amount of ultra-violet (UV) light has been received by a user and method of making the same are provided. In an embodiment, a wearable apparatus includes a first material and a second material. The second material includes a color changing material that changes color from a first color to a second color when exposed to a threshold level of UV light. The wearable apparatus is configured to be worn by a user in a place exposed to sunlight. The second color indicates that the user has been exposed to a threshold amount of UV light.
Bibliography:Application Number: US201916706619