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Continuous injection direct rolling for optical elements with microstructures

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Abstract

Continuous injection direct rolling (CIDR) is a new technology used to form optical elements with microstructures. The best process parameters obtained in CIDR are a screw rotational velocity of 160 rpm, an injection temperature of 280 °C, an injection pressure of 12 MPa, a roller rotational velocity of 0.6 rpm, and a roller temperature of 85 °C. Polymer plates with different depth microstructures and a light guide plate (LGP) are produced by CIDR technology. Test results show that the minimum thickness of the plate is 0.621 mm; the roller velocity, roller temperature, and injection pressures all affect the copying of the microstructure; those microstructures on the plate surface were of uniform depth; replication error can be controlled to within 2 %. The LGP obtained from these experiments has good light uniformity, which proved that the technology is feasible for the production of optical elements with microstructure.

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Authors and Affiliations

  1. College of Mechanical and Control Engineering, Guilin University of Technology, Guilin, 541004, China

    Haixiong Wang

  2. College of Materials Engineering, South China University of Science and Technology, Shenzhen, 518060, China

    Yonghu Lv

  3. Shenzhen Key Laboratory of Advanced Manufacturing Technology for Mold and Die, Shenzhen University, ShenZhen, 518060, China

    Haixiong Wang, Yonghu Lv, Yan Lou & Jibin Li

  4. Partner State Key Laboratory of Ultra-precision Machining Technology, the Hong Kong Polytechnic University, Hong Kong City, Hong Kong

    C. F. Cheung

Authors
  1. Haixiong Wang
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  2. Yonghu Lv
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  3. Yan Lou
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  4. Jibin Li
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  5. C. F. Cheung
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Correspondence to Jibin Li.

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Wang, H., Lv, Y., Lou, Y. et al. Continuous injection direct rolling for optical elements with microstructures. Int J Adv Manuf Technol 85, 2247–2255 (2016). https://doi.org/10.1007/s00170-016-8499-2

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  • DOI: https://doi.org/10.1007/s00170-016-8499-2

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