| http://www.w3.org/ns/prov#value | - Consequently, there has been a demand for a lenticular lens surface configuration exhibiting a high luminance and a large ??H angle at which the gain is a half of the peak value in a gain chart (i.e. half-power angle)! such that the loss of incident light is minimized, and a large amount of light emanates in the forward direction.
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