LIGHTING DEVICE AND DISPLAY DEVICE

摘要

Provided is a lighting device capable of inhibiting the occurrence of variations in brightness of illuminated members. This backlight device (lighting device) (3) is provided with LEDs (4), a diffusion sheet (8a) having a function for diffusing the light from the LEDs, and lens members (6) disposed between the LEDs and the diffusion sheet to increase the spread angle of the light output by the LEDs. In the middle part (part directly above the LED) of a light exit surface (6c) of the lens member is provided a protruding and recessed part (6e) that diffuses the light and changes the direction of progress of the light from the LED.