| 摘要 |
PURPOSE: An optical sheet is provided to improve a lamp hiding property by changing an LED that is a point light source into a flat light source. CONSTITUTION: A base sheet(2) inputs a light source to the rear and emits the light source to the front. A front light diffusing layer(3) arranges a micro lens of an engraved pattern on the front of the base sheet. Particles are included in the rear of the base sheet.
|
