NDLI: Synthesis of Benzothiadiazole-Based Liquid Crystalline Polyacrylates for Polarized Light Emitting Diodes

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Synthesis of Benzothiadiazole-Based Liquid Crystalline Polyacrylates for Polarized Light Emitting Diodes

Content Provider	Springer Nature Link
Author	Yao, Yung Hsin Kung, Liang Rern Hsu, Chain Shu
Copyright Year	2006
Abstract	Two benzothiadiazole-based liquid crystalline polyacrylates were synthesized. These polymers revealed a nematic liquid crystal phase and exhibited photoluminescence as well as polarized electroluminescence when incorporated into light-emitting diode applications. The polymers showed dichroic ratios of about 8.3–8.8 in UV-vis absorption and photoluminescence emission. The polymer with vinylene linkages (P2) showed better electroluminescence device performance than that with acetylene linkages (P1). The P2 device emitted red light at 604 nm with a turn-on voltage at 6 V, and a maximum polarized luminance of 235 cd/m$^{2}$ at 12 V, with an efficiency of 0.09 cd/A and a polarization ratio of 6.5.
Starting Page	277
Ending Page	283
Page Count	7
File Format	PDF
ISSN	10229760
Journal	Journal of Polymer Research
Volume Number	13
Issue Number	4
e-ISSN	15728935
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-02-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	liquid crystalline polymer polarized electroluminescence Characterization and Evaluation Materials Industrial Chemistry/Chemical Engineering Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Polymers and Plastics

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