Compound Optical Film Using Gray Scale Mask Embedded with Microvoids

Table 7

The average value of luminance of gray scale D20-B’s nine-spot measurement (Unit: cd/m²).

𝑃1: 2.56×10^2	𝑃2: 1.91×10^2	𝑃3: 1.38×10^2
𝑃4: 4.71×10^2	𝑃5: 2.42×10^2	𝑃6: 1.49×10^2
𝑃7: 2.42×10^2	𝑃8: 1.86×10^2	𝑃9: 1.31×10^2