How To Measure The Uniformity Of The Light Guide Plate
Nov 16, 2021
In the process of customizing the light plate, the customer will require the uniformity of the light guide plate to reach a certain value, so how to measure the uniformity? How much uniformity will a qualified product be?
The uniformity generally takes the form of nine square grids, the light guide plate is divided into 9 areas, and the illuminance of each area is measured. Use 9 points to add and divide by 9 to get the average, and then divide the lowest point by the average to get the uniformity.
To measure the uniformity of the light guide plate, a reflective paper will be placed under the light guide plate, and the light will be filled and condensed. The measured data will be more accurate.
