Video display device

A video display device allowing an observer to observe video of a display image, comprising:

• a laser beam source module including a laser beam source emitting a laser beam and a laser beam source drive unit that supplies power to the laser beam source;
• and
• an image generation unit that generates a desired display image from the laser beam,
• wherein the laser beam source module includes:
• a substrate on which the laser beam source is placed and which has improved thermal conductivity;
• a temperature measurement member that measures a temperature of the substrate;
• a temperature adjustment member that contacts the substrate and adjusting the temperature of the substrate;
• and
• a circuit substrate that electrically connects the temperature measurement member and the laser beam source,
• wherein the circuit substrate is disposed on a rear surface opposite to a placement surface on which the laser beam source is placed,
• wherein the temperature measurement member is mounted on the circuit substrate, and
• wherein a portion of the temperature measurement member is connected to the substrate.