Compound Optical Film Using Gray Scale Mask Embedded with Microvoids

Table 6

The average value of luminance of gray scale D40-B’s nine-spot measurement (Unit: cd/m²).

𝑃1: 2.63×10^2	𝑃2: 1.82×10^2	𝑃3: 1.46×10^2
𝑃4: 5.08×10^2	𝑃5: 2.37×10^2	𝑃6: 1.80×10^2
𝑃7: 2.71×10^2	𝑃8: 2.12×10^2	𝑃9: 1.69×10^2