Reflective color display using thermochromic pigments.
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.
Department of Physics, Yeungnam University, Gyeongsan, South Korea.
Kyong Chan
KC
Heo
Youngku
Y
Sohn
Jonghoon
J
Yi
Jin Hyuk
JH
Kwon
Phil Kook
PK
Son
Jin Seog
JS
Gwag