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Title: Methods and apparatus for transparent display using up-converting nanoparticles

Abstract

Disclosed herein are transparent color displays with nanoparticles made with nonlinear materials and/or designed to exhibit optical resonances. These nanoparticles are embedded in or hosted on a transparent substrate, such as a flexible piece of clear plastic or acrylic. Illuminating the nanoparticles with invisible light (e.g., infrared or ultraviolet light) causes them to emit visible light. For example, a rare-earth doped nanoparticle may emit visible light when illuminated simultaneoulsy with a first infrared beam at a first wavelength .lamda..sub.1 and a second infrared beam at a second wavelength .lamda..sub.2. And a frequency-doubling nanoparticle may emit visible light when illuminated with a single infrared beam at the nanoparticle's resonant frequency. Selectively addressing these nanoparticles with appropiately selected pump beams yields visible light emitted from the nanoparticles hosted by the transparent substrate in a desired pattern.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Massachusetts Institute of Technology, Cambridge, MA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1327921
Patent Number(s):
9,458,989
Application Number:
14/143,558
Assignee:
Massachusetts Institute of Technology (Cambridge, MA
DOE Contract Number:  
SC0001299; FG02-09ER46577
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Dec 30
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Hsu, Chia Wei, Qiu, Wenjun, Zhen, Bo, Shapira, Ofer, and Soljacic, Marin. Methods and apparatus for transparent display using up-converting nanoparticles. United States: N. p., 2016. Web.
Hsu, Chia Wei, Qiu, Wenjun, Zhen, Bo, Shapira, Ofer, & Soljacic, Marin. Methods and apparatus for transparent display using up-converting nanoparticles. United States.
Hsu, Chia Wei, Qiu, Wenjun, Zhen, Bo, Shapira, Ofer, and Soljacic, Marin. Tue . "Methods and apparatus for transparent display using up-converting nanoparticles". United States. https://www.osti.gov/servlets/purl/1327921.
@article{osti_1327921,
title = {Methods and apparatus for transparent display using up-converting nanoparticles},
author = {Hsu, Chia Wei and Qiu, Wenjun and Zhen, Bo and Shapira, Ofer and Soljacic, Marin},
abstractNote = {Disclosed herein are transparent color displays with nanoparticles made with nonlinear materials and/or designed to exhibit optical resonances. These nanoparticles are embedded in or hosted on a transparent substrate, such as a flexible piece of clear plastic or acrylic. Illuminating the nanoparticles with invisible light (e.g., infrared or ultraviolet light) causes them to emit visible light. For example, a rare-earth doped nanoparticle may emit visible light when illuminated simultaneoulsy with a first infrared beam at a first wavelength .lamda..sub.1 and a second infrared beam at a second wavelength .lamda..sub.2. And a frequency-doubling nanoparticle may emit visible light when illuminated with a single infrared beam at the nanoparticle's resonant frequency. Selectively addressing these nanoparticles with appropiately selected pump beams yields visible light emitted from the nanoparticles hosted by the transparent substrate in a desired pattern.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {10}
}

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