Cited 7 time in webofscience Cited 6 time in scopus

Luminance enhancement of electroluminescent devices using highly dielectric UV-curable polymer and oxide nanoparticle composite

Title
Luminance enhancement of electroluminescent devices using highly dielectric UV-curable polymer and oxide nanoparticle composite
Authors
Chung, SH[Chung, Seok-Hwan]Song, S[Song, Seongkyu]Yang, KJ[Yang, Kee-Jeong]Jeong, SM[Jeong, Soon Moon]Choi, B[Choi, Byeongdae]
DGIST Authors
Chung, SH[Chung, Seok-Hwan]; Song, S[Song, Seongkyu]; Yang, KJ[Yang, Kee-Jeong]Jeong, SM[Jeong, Soon Moon]Choi, B[Choi, Byeongdae]
Issue Date
2014-09-01
Citation
Optical Materials Express, 4(9), 1824-1832
Type
Article
Article Type
Article
Keywords
CuringDielectric MaterialsDielectric PolymersElectroluminescenceHybrid StructureLight EmissionLuminanceMaximum LuminanceMicro-ParticlesNanoparticlesOptoelectronic DevicesOxide NanoparticlesPhosphor ParticlesPhosphorsRoom-TemperatureUV Curable PolymerZinc Sulfide
ISSN
2159-3930
Abstract
A flexible hybrid structure electroluminescent (HSEL) device was fabricated from ZnS:Cu phosphor microparticles dispersed in a UVcurable polymer matrix. We observed a maximum luminance of 111 cd/m2 at 10 kHz and 170 V from a device wherein the mixing ratio between the phosphor particles and highly dielectric polymer binder was 70:30 wt%. Furthermore, by uniformly dispersing highly dielectric BaTiO3 nanoparticles within the polymer matrix, we were able to obtain a luminance of up to 211 cd/m2 in the HSEL device. Compared to the conventional thermal curing process, this UV process greatly simplifies the fabrication steps by combining phosphors and dielectric materials at room temperature. This process also demonstrates a promising pathway toward creating flexible and printed EL devices in the future. © 2014 Optical Society of America.
URI
http://hdl.handle.net/20.500.11750/3039
DOI
10.1364/OME.4.001824
Publisher
OSA - The Optical Society
Related Researcher
Files:
There are no files associated with this item.
Collection:
Intelligent Devices and Systems Research Group1. Journal Articles


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