Patent ID: 6402354
Filing Date: 2002-06-11
Classification: B60Q

Abstract:
A vehicle room lamp comprising:a direct lighting unit, attached to a roof of a cabin, for directly illuminating the cabin, the direct lighting unit having a housing of a box shape, the housing having an outer circumference of substantially a round shape, the housing having a fixing piece formed around the outer circumference so as to protrude from the outer circumference, the fixing piece having a cross-section of a hook extending upward; and an indirect lighting unit indirectly illuminating the cabin, the indirect lighting unit having a housing of a toroidal box shape corresponding to substantially the entire outer circumference (outline) of the housing of the direct lighting unit, the indirect lighting unit having a plurality of light emitting diodes (LEDs) disposed at fixed intervals along an entire outer circumference of the housing of the indirect lighting unit and controlling the light emission of the LEDs such that the LEDs illuminate the roof, the housing of the indirect lighting unit having a fitting recess extending along a circumference of the housing of the indirect lighting unit, and the fitting recess being provided at a portion corresponding to the fixing piece; wherein, in mounting the direct lighting unit on the roof, the fixing piece is fitted into the fitting recess to provide downward support for the housing of the indirect lighting unit so that the housing of the indirect lighting unit is immovably held between the fixing piece and the roof, and the direct lighting unit is secured to the roof so that the indirect lighting unit is also secured to the roof integrally and simultaneously with the direct lighting unit, while the housing of the indirect lighting unit is simultaneously attached onto the outer circumference of the housing of the direct lighting unit; and wherein the indirect lighting unit directly illuminates a whole area of a roof except an area where the direct lighting unit and the indirect lighting unit are disposed, thereby providing an indirect illumination for the cabin with the light reflected by the roof.