Compound Optical Film Using Gray Scale Mask Embedded with Microvoids

Table 5

The average value of luminance of no-lens nine-spot measurement (unit: cd/m²).

𝑃1: 2.64×10^2	𝑃2: 1.90×10^2	𝑃3: 1.18×10^2
𝑃4: 5.52×10^2	𝑃5: 2.61×10^2	𝑃6: 1.46×10^2
𝑃7: 2.45×10^2	𝑃8: 1.75×10^2	𝑃9: 1.21×10^2