Compound Optical Film Using Gray Scale Mask Embedded with Microvoids

Table 3

The parameter layouts of gray microlens array optical films.

No.	Height layout (μm)	Diameter layout (μm)	Average luminance (cd/m^2)	Uniformity (%)
No lense	0	0	48.5	24.4
D40-B	35, 25, 15, 5	40	49.7	33.4
D20-B	35, 25, 15, 5	20	46.4	31.6