Proposal of Novel Optical Model for Light-Diffusing Film Having Alternating Polymer Layers with Different Refractive Indices

Souichiro SEO  Masahiro NISHIZAWA  Yuya HORII  Yosei SHIBATA  Takahiro ISHINABE  Hideo FUJIKAKE  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E100-C   No.11   pp.1047-1051
Publication Date: 2017/11/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
Category: 
Keyword: 
light-diffusing film,  layer structure,  refractive index,  diffraction,  optical model,  

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Summary: 
We have proposed the novel optical model for layer structure film to precisely control light diffusion angle range. By introducing structure characteristics to the phase grating model, we successfully constructed the novel optical model. In addition, we clarified that difference of refractive indices of layer structure and layer width are important factors for precisely control of light diffusion angle range.