Compound Optical Film Using Gray Scale Mask Embedded with Microvoids

Table 8

The optical measurement of the average luminance and the average uniformity.

No.	The average luminance (cd/m^2)	The increase/decrease of the average luminance	Uniformity	The increase/decrease of the uniformity
No lens	2.30×10^2	—	21.3%	—
D40-B	2.41×10^2	4.7%	29.7%	8.4%
D20-B	2.23×10^2	−3.0%	27.8%	6.5%