| 摘要 |
An optical system for a projector is provided, including a light source generating laser beams, a transforming sheet, a panel, and a lens set. Laser beams from planar light sources penetrate the transforming sheet and are uniformly transformed to be rectangular beams, acting as light beams from a planar light source. The rectangular laser beams pass through the panel to generate an image which is projected to a screen by the lens set.
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