STUDY ON THE OPTICAL PERFORMANCE OF LIGHT GUIDE PLATE WITH DOUBLE-SIDE MICRO FEATURE DESIGN

摘要

The objective of this study is to manufacture a two-sided micro-feature light guide plate to replace a diffusion plate. First, Trace Pro optical simulation software was used to simulate the micro-feature of the two-sided light guide plate. Then the micro-molding was manufactured, and precision injection experiments were run. Finally, the results of the simulation and the experiments were compared, and the optical simulation results showed that the lightness and uniformity of the light guide plate related to the size and density of the micro-feature. Further, the larger the distance from the sided light source, the closer the size increase and density became. However, the size decreased and the density loosened when the distance from the side light source was decreased. The uniformity achieved 88%. Molding transformation results were the most important factor which influenced the simulation error.