BACKLIGHT UNIT FOR VEHICLES AND DISPLAY DEVICE FOR VEHICLES

摘要

A high-intensity back light is enabled by satisfying temperature conditions under an on-board environment. There is provided a vehicle back light unit having a plurality of light source (21) which illuminate a display unit from the rear thereof and a circuit board (22) which is provided to the rear of the display unit and on which the plurality of light sources are mounted, characterized by having a radiating unit (23) which is provided so as to face a rear surface of the circuit board (22), a heat conductive member (24) which conducts heat of the circuit board (22) to the radiating unit (23), and a crimping unit (25) for crimping the heat conductive member (24) to both the circuit board (22) and the radiating unit (23) by fixing the circuit board (22) and the heat conductive member (24) to the radiating unit (23).