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1. (WO2013148892) BENZYLIDENE DERIVATIVE CHROMOPHORES FOR PHOTOREFRACTIVE COMPOSITIONS

Pub. No.:    WO/2013/148892    International Application No.:    PCT/US2013/034180
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Thu Mar 28 00:59:59 CET 2013
IPC: H05B 33/14
C09K 9/02
Applicants: NITTO DENKO CORPORATION
WANG, Peng
JIANG, Zongcheng
GU, Tao
SIDDIQUI, Ozair
LIN, Weiping
CAI, Jie
HSIEH, Wan-yun
YAMAMOTO, Michiharu
Inventors: WANG, Peng
JIANG, Zongcheng
GU, Tao
SIDDIQUI, Ozair
LIN, Weiping
CAI, Jie
HSIEH, Wan-yun
YAMAMOTO, Michiharu
Title: BENZYLIDENE DERIVATIVE CHROMOPHORES FOR PHOTOREFRACTIVE COMPOSITIONS
Abstract:
Described herein are benzylidene derivative chromophores that are useful in forming compositions that are photorefractive upon irradiation by multiple laser wavelengths across the visible light spectrum. Embodiments of the photorefractive composition comprise a polymer matrix and a chromophore, wherein the chromophore is represented by general formula (II), as defined herein. The photorefractive composition can be used in various optical devices.