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Title: Methods and apparatus for transparent display using scattering nanoparticles

Abstract

Transparent displays enable many useful applications, including heads-up displays for cars and aircraft as well as displays on eyeglasses and glass windows. Unfortunately, transparent displays made of organic light-emitting diodes are typically expensive and opaque. Heads-up displays often require fixed light sources and have limited viewing angles. And transparent displays that use frequency conversion are typically energy inefficient. Conversely, the present transparent displays operate by scattering visible light from resonant nanoparticles with narrowband scattering cross sections and small absorption cross sections. More specifically, projecting an image onto a transparent screen doped with nanoparticles that selectively scatter light at the image wavelength(s) yields an image on the screen visible to an observer. Because the nanoparticles scatter light at only certain wavelengths, the screen is practically transparent under ambient light. Exemplary transparent scattering displays can be simple, inexpensive, scalable to large sizes, viewable over wide angular ranges, energy efficient, and transparent simultaneously.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Massachusetts Institute of Technology, Cambridge, MA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1252426
Patent Number(s):
9,335,027
Application Number:
14/067,471
Assignee:
Massachusetts Institute of Technology (Cambridge, MA)
DOE Contract Number:  
SC0001299
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Oct 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 scattering 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 scattering nanoparticles. United States.
Hsu, Chia Wei, Qiu, Wenjun, Zhen, Bo, Shapira, Ofer, and Soljacic, Marin. Tue . "Methods and apparatus for transparent display using scattering nanoparticles". United States. https://www.osti.gov/servlets/purl/1252426.
@article{osti_1252426,
title = {Methods and apparatus for transparent display using scattering nanoparticles},
author = {Hsu, Chia Wei and Qiu, Wenjun and Zhen, Bo and Shapira, Ofer and Soljacic, Marin},
abstractNote = {Transparent displays enable many useful applications, including heads-up displays for cars and aircraft as well as displays on eyeglasses and glass windows. Unfortunately, transparent displays made of organic light-emitting diodes are typically expensive and opaque. Heads-up displays often require fixed light sources and have limited viewing angles. And transparent displays that use frequency conversion are typically energy inefficient. Conversely, the present transparent displays operate by scattering visible light from resonant nanoparticles with narrowband scattering cross sections and small absorption cross sections. More specifically, projecting an image onto a transparent screen doped with nanoparticles that selectively scatter light at the image wavelength(s) yields an image on the screen visible to an observer. Because the nanoparticles scatter light at only certain wavelengths, the screen is practically transparent under ambient light. Exemplary transparent scattering displays can be simple, inexpensive, scalable to large sizes, viewable over wide angular ranges, energy efficient, and transparent simultaneously.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {5}
}

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