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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 18 — Jun. 20, 2012
  • pp: 4246–4249

Reflective color display using thermochromic pigments

Kyong Chan Heo, Youngku Sohn, Jonghoon Yi, Jin Hyuk Kwon, Phil Kook Son, and Jin Seog Gwag  »View Author Affiliations


Applied Optics, Vol. 51, Issue 18, pp. 4246-4249 (2012)
http://dx.doi.org/10.1364/AO.51.004246


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Abstract

A reflective thermochromic display fabricated by a very simple method using three kinds of thermochromic pigments is produced and its thermo-optical characteristics are investigated. The display exhibits maximum red, green, and blue reflectances of 38%, 30%, and 35%, respectively. The reflective display cell shows continuous gray color with changing temperature, which is crucial for multicolor displays. It also shows an excellent viewing angle above 80° without any of the additional optical components that are required in liquid crystal displays. We expect that this display technology will be used for outdoor billboard information display applications.

© 2012 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: March 6, 2012
Revised Manuscript: April 30, 2012
Manuscript Accepted: May 6, 2012
Published: June 20, 2012

Citation
Kyong Chan Heo, Youngku Sohn, Jonghoon Yi, Jin Hyuk Kwon, Phil Kook Son, and Jin Seog Gwag, "Reflective color display using thermochromic pigments," Appl. Opt. 51, 4246-4249 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-18-4246


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