US Patent 7555759 Optical pickup device and optical disk device

To provide an optical pickup device and optical disk device which can have a sufficient heat radiating effect without a new member for radiating heat, an optical pickup device includes a laser light source that emits laser light onto an optical disk; a power supply that supplies electric power to the laser light source; an upper surface cover that has a first opening section which introduces the wind generated by the rotation of the optical disk toward the power supply and that covers the power supply; and a side surface that is provided with a second opening section which discharges the wind introduced from the first opening section through the power supply.