Qi-bin FENG, Hui-li XIAO, Ling YANG, Biao ZHU, GUO-qiang LÜ. Design of optical film for ultra-thin MiniLED backlight modules[J]. Optics and Precision Engineering, 2021, 29(11): 2548
- Optics and Precision Engineering
- Vol. 29, Issue 11, 2548 (2021)
Fig. 1. Comparison of simulated brightness without and with diffusion film
Fig. 2. Double freeform surface lens model and simulated illumination distribution under point source and surface source
Fig. 3. Surface source discreted point source
Fig. 4. Light reflected back to lamp board direction through both sides
Fig. 5. Reflection of light under horizontal light back to lamp board through adjacent microstructure
Fig. 6. Simulated model of four prismatic microstructures optical film and simulated brightness distribution of light source
Fig. 7. Modulation of light by four prismatic
Fig. 8. Model of double-layer microstructure optical films and brightness distribution of light source
Fig. 9. Lithography process of microstructure optical film
Fig. 10. Microstructures morphology
Fig. 11. Division of lamp board and its illumination diagram
Fig. 12. Schematic diagram of nine-point measurement method
Fig. 13. [in Chinese]
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Table 1. Measured illumination data by nine-points method
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