Wenwen Yu, Jian Wang, Qi Zhang, Xuekun Wang, Cuncun Hong, Weiying Qian, Jianjun Cao, Shumei Gao. Fast Method for Evaluating and Optimizing the Scattering Efficiency of Light Guide Plate Dots[J]. Laser & Optoelectronics Progress, 2020, 57(7): 072201
- Laser & Optoelectronics Progress
- Vol. 57, Issue 7, 072201 (2020)
Fig. 1. Cross section of the light guide plate
Fig. 2. Relationship between reflectivity and the angle of incidence
Fig. 3. BLM structure diagram
Fig. 4. Triangular prismatic dot structure
Fig. 5. Illumination distribution of different γ
Fig. 6. Relationship between γ and η
Fig. 7. BLM simulation results using four dot structures. (a) Hot-embossing; (b) frustum of cone; (c) hemisphere; (d) cone
Fig. 8. Test results. (a) Actual luminescence effect; (b) 13-point luminance value measured by BM-7A system
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Table 1. Comparison of BLM results before and after optimization
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Table 2. BLM simulation uniformity and light-emitting area ratio using four dot structures
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