Fig. 1. Schematic of directional backlight with side-glowing POF array

Fig. 2. Diagram of directional imaging optical path of side-glowing POF array

Fig. 3. Diagram of winding device with side-glowing POF array

Fig. 4. Partial enlarged drawing of side-glowing POF array

Fig. 5. Measurement principle of directional backlight luminance

Fig. 6. Average luminance of directional backlight with side-glowing POF array obtained in experiment. (a) Viewpoint 1; (b) viewpoint 2

Fig. 7. Illuminance distribution curve of directional backlight with side-glowing POF array obtained by software simulation. (a) Viewpoint 1; (b) viewpoint 2

Fig. 8. Spatial distribution of side-glowing luminance of the POF. (a) Local photo of POF ; (b) transverse distribution curve of brightness

Fig. 9. Crosstalk diagram of directional backlight with side-glowing POF array

Fig. 10. Crosstalk distribution curve of directional backlight with side-glowing POF array

Fig. 11. Crosstalk distribution curve obtained by simulation in the condition of POF equidistant arrangement

Fig. 12. Relationship between position of visual area and rhomboid of visual area. (a) Forward view area of screen; (b) beveled forward viewing area of screen