A video display device comprising: a display panel arranged to display an image based on an image signal; and a plurality of light source substrates disposed on a rear side of the display panel, wherein each of the plurality of light source substrates includes a plurality of light emitting elements disposed on a surface of the light source substrate on a side toward the display panel, and a plurality of driver elements (22, 23) that are disposed on the same surface of the light source substrate as the surface to which the plurality of light emitting elements are attached, and adapted to drive each of the plurality of light emitting elements, the plurality of light source substrates is arranged in a first direction, and arranged in a second direction perpendicular to the first direction, wherein each of the plurality of light source substrates includes wiring and comprises a signal input connector adapted to receive a control signal from a signal processing substrate and adapted to distribute it to the driver elements (22, 23) mounted on the light source substrate, and adapted to through-output it to two signal output connectors (27a, 27b) of the light source substrate, wherein among the plurality of light source substrates, one light source substrate is adapted to receive directly the control signal from a signal processing substrate; wherein cables are arranged to distribute the input control signal output from one output connector of the two signal output connecters (27a, 27b) to first light source substrates (20b, 20f, 20d), and cables arranged to distribute the input control signal output from the other one signal output connecter of the two output connectors (27a, 27b) to second light source substrates the plurality of light source substrates is configured such that the first light source substrates (20b, 20f, 20d) are arranged in the first direction (X axis) and are connected by cascade connection to the one light source substrate, and the second light source substrates are arranged in the second direction (Y axis) and are connected by cascade connection to the one light source substrate; the plurality of light source substrates is configured such that the input control signals input to the second light source substrates are distributed via the cables to other light source substrates (20g, 20e), the other light source substrates (20 g, 20e) being arranged in the first direction (X axis) and connected by cascade connection to the second light source substrates. a display panel arranged to display an image based on an image signal; and a plurality of light source substrates disposed on a rear side of the display panel, wherein each of the plurality of light source substrates includes a plurality of light emitting elements disposed on a surface of the light source substrate on a side toward the display panel, and a plurality of driver elements (22, 23) that are disposed on the same surface of the light source substrate as the surface to which the plurality of light emitting elements are attached, and adapted to drive each of the plurality of light emitting elements, the plurality of light source substrates is arranged in a first direction, and arranged in a second direction perpendicular to the first direction, wherein each of the plurality of light source substrates includes wiring and comprises a signal input connector adapted to receive a control signal from a signal processing substrate and adapted to distribute it to the driver elements (22, 23) mounted on the light source substrate, and adapted to through-output it to two signal output connectors (27a, 27b) of the light source substrate, wherein among the plurality of light source substrates, one light source substrate is adapted to receive directly the control signal from a signal processing substrate; wherein cables are arranged to distribute the input control signal output from one output connector of the two signal output connecters (27a, 27b) to first light source substrates (20b, 20f, 20d), and cables arranged to distribute the input control signal output from the other one signal output connecter of the two output connectors (27a, 27b) to second light source substrates the plurality of light source substrates is configured such that the first light source substrates (20b, 20f, 20d) are arranged in the first direction (X axis) and are connected by cascade connection to the one light source substrate, and the second light source substrates are arranged in the second direction (Y axis) and are connected by cascade connection to the one light source substrate; the first light source substrates (20b, 20f, 20d) are arranged in the first direction (X axis) and are connected by cascade connection to the one light source substrate, and the second light source substrates are arranged in the second direction (Y axis) and are connected by cascade connection to the one light source substrate; the plurality of light source substrates is configured such that the input control signals input to the second light source substrates are distributed via the cables to other light source substrates (20g, 20e), the other light source substrates (20 g, 20e) being arranged in the first direction (X axis) and connected by cascade connection to the second light source substrates.