Direct type backlight module with a diffuser plate and manufacturing method of said diffuser plate

摘要

A direct type backlight module with a diffuser plate and manufacturing methods for said diffuser plate. The direct type backlight module is used in LCD TV. The diffuser plate is manufactured to have a plurality of columnar lenticular lens surfaces to scatter incident light to increase its uniformity which allows the light dispersant of the diffuser plate to be reduced in the range of from 30 to 50%.