Illuminating device in compartment

The invention provides a vehicle interior lighting device. The light source (12) is provided at an end of an instrument panel (18) of a vehicle (16). The light emitted from the light source (12) travels from the dashboard (18) side toward the door panel (24) and is irradiated to the surface of the door trim (26) of the door panel (24). A decorative member (14) is provided on the irradiation surface side of the light source (12), and light from the light source (12) passes through the decorative member (14), whereby a pattern (30) is formed on the surface of the door trim (26) by the light. Since the light source (12) is not provided to the door trim (26), but is provided to the instrument panel (18) separated from the door trim (26), the door trim (26) can be irradiated with light in a wide range. In addition, the display that the pattern (30) changes according to the opening angle of the door can be realized. 本发明提供一种车厢内照明装置。光源(12)设置于车辆(16)的仪表板(18)的端部。从光源(12)出射的光从仪表板(18)侧朝向门板(24)行进，被照射到门板(24)的门装饰件(26)的表面。在光源(