Study on micro-injection molding of light guiding plate by numerical simulation

Ming Hung Tsai, Keng Liang Ou, Chiung Fang Huang, Hsin Chung Cheng, Yung Kang Shen, Chih Yuan Chang, Chao Hsuan Wu, Jeng Huei Chen, Pei Jr Guan

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Micro-injection molding is the most important technology in optical MEMS/NEMS industry for the necessary of scale, velocity and cost by the development of optical MEMS/NEMS industry and the innovation of optical MEMS/NEMS industry. It has the advantage of low cost, low interface and small volume in optical MEMS/NEMS industry. This paper emphasizes the analysis for light guiding plate of liquid crystal display on micro-injection molding. The finite element simulation in a three-dimensional inertia-free, incompressible flow is presented. A control volume scheme with a fixed finite element mesh is employed to predict melt front advancement. The plastic material of light guiding plate is used for PMMA material. The results show that the short shot situation on the filling stage of micro-injection molding. The results also indicate that the processing is very well for micro-injection molding by numerical simulation.

Original languageEnglish
Pages (from-to)1097-1100
Number of pages4
JournalInternational Communications in Heat and Mass Transfer
Issue number9
Publication statusPublished - Nov 2008


  • Flow situation
  • Light guiding plate
  • Micro-injection molding
  • Moldflow
  • Numerical simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Chemical Engineering
  • Condensed Matter Physics


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