A method of manufacturing an optical sheet includes: discharging a liquid droplet discharged to one side surface of a sheet substrate; and curing the liquid droplet so that a protrusion is formed in the one side surface to allow light from the one side surface to be refracted and emitted, wherein a supporting substrate that supports the sheet substrate is adhered to another side surface of the sheet substrate before the liquid droplet is discharged.

 
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< Filter for venting enclosures, for example containing electrical equipment, such as vehicle lighting units, and exposed to moisture or atmospheric agents

> Method for making light emitting diode

> Backlight assembly comprising guide grooves and adhesive tapes formed therein for attaching flexible printed circuit to light guide plate
~ 00538