Brightness field and Luminance distribution of light guiding plate using micro molding

Chiung Fang Huang, Jeou Long Lee, Yung Kang Shen, Yi Lin, Chih Wei Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This research points out the brightness field and luminance distribution of the microstructure of a light guiding plate by micro injection molding (MIM) and micro injection-compression molding (MICM). The process of a light guiding plate includes photo-etching, micro molding techniques (MIM and MICM), and optical field measurement. The results show that the luminance of microstructure of light guiding plate made by MICM is better than those made by MIM. The results also indicate the most important processing parameter is the mold temperature for the luminance distribution of light guiding plate whether made by MIM or MICM. The maximum luminance of the light guiding plate is the 80 Nit (cd/m2) on micro molding. The brightness field distribution of light guiding plate made by MICM is more uniform than those made by MIM for the same processing parameters. The micro injection-compression molding is a more suitable process than micro injection molding for the fabrication of light guiding plate on a backlighting unit.

Original languageEnglish
Title of host publication2009 International Conference on Optical Instruments and Technology - Optical Systems and Modern Optoelectronic Instruments
DOIs
Publication statusPublished - 2009
Event2009 International Conference on Optical Instruments and Technology, OIT 2009 - Shanghai, China
Duration: Oct 19 2009Oct 22 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7506
ISSN (Print)0277-786X

Other

Other2009 International Conference on Optical Instruments and Technology, OIT 2009
Country/TerritoryChina
CityShanghai
Period10/19/0910/22/09

Keywords

  • Brightness field
  • Light guiding plate
  • Luminance
  • Micro injection molding
  • Micro injectioncompression molding
  • Photo-etching

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Computer Science Applications

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