Image display device and smartphone

An image display device comprising:

• a housing having inner lateral surfaces and an opening defined by the inner lateral surfaces;
• a display unit disposed in the opening and located on an inner side relative to the inner lateral surfaces of the housing, the display unit comprising a display surface and a lateral surface connected to the display surface;
• one or more wiring substrates, each disposed on a corresponding one of the inner lateral surfaces of the housing and comprising wiring portions at least on a side opposite to a surface thereof facing the corresponding inner lateral surface;
• and
• one or more light emitting parts, each disposed between a corresponding one of the inner lateral surfaces of the housing and a corresponding one of the lateral surfaces of the display unit and each disposed on corresponding ones of the wiring portions, wherein:
• each of the one or more light emitting parts comprises:
• a mounting surface facing the wiring portions of the corresponding wiring substrate, and
• a light emission surface meeting and connected to the mounting surface, and
• the one or more light emitting parts are configured to emit light in a direction in which the display surface faces.