| 摘要 |
A vehicle lighting device is provided to maintain a viewability of light even when seen from a diagonal direction having a predetermined angle to an irradiation direction of the lighting device. The vehicle lighting device includes a board, which includes an array of a plurality of light sources. The vehicle lighting device also includes wall portions that bulge in an irradiation direction of the light sources from edge surfaces of the board. The wall portions also form a polygon surrounding the board. At least one of the wall portions includes a reflective surface on a side facing the light sources.
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