Lighting device, display device and television device

A lighting device comprising:

• a first light source unit including a first light source group and a first elongated board having a first mount portion and a first empty portion disposed adjacent to the first mount portion, the first light source group including light sources arranged in a line, and the light sources of the first light source group being arranged on the first mount portion;
• a second light source unit including a second light source group and a second elongated board having a second mount portion and a second empty portion disposed adjacent to the second mount portion, the second light source group including light sources arranged in a line, and the light sources of the second light source group being arranged on the second mount portion;
• and
• a light guide plate being a plate member including:
• a first light entrance portion on one edge portion of the plate member and through which light from the light sources of the first light source group enters the light guide plate;
• a first fixing portion on the one edge portion adjacent to the first light entrance portion and fixing the first light source unit with being in close contact with the first empty portion;
• a second light entrance portion on another edge portion of the plate member on opposite side from the one edge portion so as to be overlapped with the first fixing portion, the second light entrance portion through which light from the light sources of the second light source group enters the light guide plate;
• a second fixing portion adjacent to the second light entrance portion and being overlapped with the first light entrance portion and fixing the second light source unit with being in close contact with the second empty portion;
• and
• a light exit portion being a plate surface of the plate member and through which light entering the light guide plate through the first light entrance portion and the second light entrance portion exits the light guide plate;
• wherein
• the first board has a shape such that the first empty portion protects farther than the light sources mounted on the first mount portion, and
• the second board has a shape such that the second portion protects farther than the light sources mounted on the second mount portion.