| 摘要 |
PURPOSE: A laser navigation module is provided to improve convenience in the dark by forming a re-reflection layer at the lower part of a light emission member and a corrosion unit at the upper part of the light emission member. CONSTITUTION: A housing unit(220) includes a window unit(210), a transparent or a semi-transparent unit which emits light to outside. The window unit blocks the inflow of a visual light and reflects the laser emitted by a light source. A lighting apparatus(250) is installed at the inside of the housing unit. A light diffusion member(260) includes a re-reflection layer and emits the light of the lighting apparatus to the housing unit. The light diffusion member includes a projection unit which changes the light direction of the lighting apparatus.
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