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Paper Abstract and Keywords
Presentation 2017-01-27 09:56
Rigorous coupled-wave analysis of an optical scattering property of a light diffusing film including alternate polymer layer structure
Yoshifumi Sekiguchi, Souichirou Seo, Yosei Shibata, Takahiro Iishinabe, Hideo Fujikake (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A high transmission and wide-angle light diffusing film for a liquid crystal display device are required. We proposed the light diffusing film including alternate polymer layer structure which diffracts light at large angles. However, the evaluation method of the refractive index distribution (RID) and analysis method of optical property do not exist. Therefore, the basic mechanism that the scattering distribution (SD) is trapezoid was not clear. In this report, we developed the noise reduction method of the reflection light distribution measured by a laser confocal microscope for using it as the RID and the evaluated RID clarified the RID was composed of several periodic structures with different amplitudes. Therefore, we extracted the periodic structures with the large amplitude and analyzed the SDs of the extracted structures on the basis of rigorous coupled-wave analysis. It was revealed that the main reason to form the trapezoidal SD was a first order diffracted light and the existence of plural periodic structures formed the constant intensity of the SD within a certain angle range.
Keyword (in Japanese) (See Japanese page) 
(in English) Light diffusing film / Alternate polymer layer structure / Rigorous coupled-wave analysis (RCWA) / / / / /  
Reference Info. ITE Tech. Rep., vol. 41, no. 2, IDY2017-13, pp. 85-88, Jan. 2017.
Paper # IDY2017-13 
Date of Issue 2017-01-19 (IDY) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-EID IDY IEE-EDD IEIJ-SSL SID-JC  
Conference Date 2017-01-26 - 2017-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokushima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of Emissive/Non-emissive Displays 
Paper Information
Registration To IDY 
Conference Code 2017-01-EID-IDY-EDD-SSL-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Rigorous coupled-wave analysis of an optical scattering property of a light diffusing film including alternate polymer layer structure 
Sub Title (in English)  
Keyword(1) Light diffusing film  
Keyword(2) Alternate polymer layer structure  
Keyword(3) Rigorous coupled-wave analysis (RCWA)  
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1st Author's Name Yoshifumi Sekiguchi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Souichirou Seo  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yosei Shibata  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Takahiro Iishinabe  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Hideo Fujikake  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker
Date Time 2017-01-27 09:56:00 
Presentation Time
Registration for IDY 
Paper # ITE-IDY2017-13 
Volume (vol) ITE-41 
Number (no) no.2 
Page pp.85-88 
#Pages ITE-4 
Date of Issue ITE-IDY-2017-01-19 


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