Patent ID: 8016448

Claim:
A display device comprising: a display panel that displays an image; and a backlight that is disposed on a back surface of the display panel and emits light from the back surface of the display panel, the backlight including: an output member that outputs incoming light to the display panel; and a light source that emits light to the output member from a side of the output member, the light source including: a plurality of board-shaped substrates that each have a light-emitting element mounted on a surface thereof; and a wiring board that is in contact with a side surface of each of the plurality of board-shaped substrates to hold, in an upright position, the plurality of board-shaped substrates which are arranged in a line, and that is arranged so that the each light-emitting element faces the side of the output member while the wiring board is electrically connected to the plurality of board-shaped substrates, wherein all of electrodes that electrically connect each of the plurality of board-shaped substrates to the wiring board are formed in a row on a back surface of each of the plurality of board-shaped substrate, and a width of each of two electrodes disposed on both ends among the all of electrodes is greater than a width of each of the plurality of electrodes other than the two electrodes.