Systems and methods for printing patterns using near infrared upconverting inks

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United States of America Patent

PATENT NO 11773282
APP PUB NO 20190338153A1
SERIAL NO

16460520

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Abstract

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The present invention relates generally to using upconverting inks for producing highly-resolved patterns for inter alia, security applications. More specifically, the present invention relates to the use of sols (inks) and printing processes that produce well-defined printed features consisting of polymers impregnated with luminescent upconversion nanocrystals. The patterns printed using such inks and processes may exhibit defined shapes, characters of text, and various other types of images.

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Patent Owner(s)

  • SOUTH DAKOTA BOARD OF REGENTS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blumenthal, Tyler Rapid City, US 9 117
Cross, William Rapid City, US 11 56
Kellar, Jon Rapid City, US 8 24
May, P Stanley Rapid City, US 6 0
Meruga, Jeevan Rapid City, US 7 24

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