Study on Optical Properties of Microstructure of Lightguiding Plate for Micro Injection Molding and Micro Injection-Compression Molding

Yung Kang Shen; H.J. Chang; C.T. Lin

doi:10.4028/www.scientific.net/MSF.505-507.229

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HomeMaterials Science ForumMaterials Science Forum Vols. 505-507Study on Optical Properties of Microstructure of...

Study on Optical Properties of Microstructure of Lightguiding Plate for Micro Injection Molding and Micro Injection-Compression Molding

Abstract:

The purpose of this paper presents the optical properties of microstructure of lightguiding plate for micro injection molding (MIM) and micro injection-compression molding (MICM). The lightguiding plate is applied on LCD of two inch of digital camera. Its radius of microstructure is from 100μm to 300μm by linearity expansion. The material of lightguiding plate uses the PMMA plastic. This paper uses the luminance distribution to make a comparison between MIM and MICM for the optical properties of lightguiding plate. The important parameters of process for optical properties are the mold temperature, melt temperature and packing pressure in micro injection molding. The important parameters of process for optical properties are the compression distance, mold temperature and compression speed in micro injection-compression molding. The process of micro injection-compression molding is better than micro injection molding for optical properties.

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Periodical:

Materials Science Forum (Volumes 505-507)

Pages:

229-234

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.505-507.229

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Online since:

January 2006

Authors:

Yung Kang Shen, H.J. Chang, C.T. Lin

Keywords:

Lightguiding Plate, Luminance, Micro Injection Compression Molding, Micro Injection Moulding, Microstructure

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