Zirun Li, Baoqing Lin, Qing Lin, Feifei Gao, Yong He, Qiren Zhuang. Preparation of Backlight Plate with Plastic Fiber Array by Blade Carving V-Groove Method[J]. Laser & Optoelectronics Progress, 2020, 57(5): 050801
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 050801 (2020)
Fig. 1. Diagrams of fabricating V-groove for scattering point backlight plate of plastic optical fiber array. (a) Fabricating V-groove to form plastic fiber scattering point; (b) backlight plate of plastic fiber optic array
Fig. 2. Diagram of light passing through scattering point
Fig. 3. Design schematic of isometric scattering points on the side of POF
Fig. 4. Diagram of V-groove processing
Fig. 5. Testing setup diagram of scattering light power of scattering points of POF
Fig. 6. Relationship among scattering rate, weight mass, and scattering point number. (a) Relationship between scattering rate and weight mass; (b) relationship between weight mass Mi and scattering point number i
Fig. 7. Diagram of knife head assembly of POF processing device
Fig. 8. Diagram of processing equipment for isometric scattering point of POF array
Fig. 9. Microscopic photographs of scattering point on POF side. (a) Front view of scattering point without light; (b) front view of scattering point with light; (c) side view of scattering point
Fig. 10. Photos of scattered points of plastic fiber under different weight mass. (a) M=6 g; (b) M=12 g; (c) M=18 g; (d) M=24 g; (e) M=30 g; (f) M=36 g; (g) M=42 g; (h) M=48 g; (i) M=54 g
Fig. 11. Effect pictures of isometric scattering points of single plastic fiber. (a) Morphology of scattered points; (b) effect of scattering light at scattering point; (c) light intensity distribution curve
Fig. 12. Photograph of POF array backlight plate with isometric scattering point fabricated in experiment
Fig. 13. System for measuring luminance uniformity on side of backlight plate of POF array with isometric scattering points. (a) Picture of detection device; (b) detection device of luminance meter; (c) nine-point sampling position map
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Table 1. Parameters and materials of SK-20 polymer optical fiber used in experiment
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Table 2. Performance parameters of CX-2B imaging luminance meter used in experiment
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Table 3. Measurement results of nine-point method for luminance uniformity of side-glowing POF surface light source
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Table 4. Measurement results of nine-point method for luminance uniformity of side-glowing POF surface light source with optimized processing
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