Title:
SEMICONDUCTOR LASER, LIGHT SOURCE DEVICE, ILLUMINATION DEVICE, PROJECTOR AND MONITORING DEVICE
Document Type and Number:
Japanese Patent JP2009044033
Kind Code:
A
Abstract:
To suppress the lowering of the operation efficiency caused by floating inductance in mounting of a circuit constituting a light source device.
In a semiconductor laser, a laser light emitting element and freewheel diode are formed on the same semiconductor substrate, while the cathode of the freewheel diode is connected to the electric current input terminal of the laser light emitting element, and the anode of the freewheel diode is connected to the electric current output terminal of the laser light emitting element.
Inventors:
SUDO KIYOTO
Application Number:
JP2007208997A
Publication Date:
February 26, 2009
Filing Date:
August 10, 2007
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H01S5/183; G02F1/37; G03B15/05; G03B21/14
Attorney, Agent or Firm:
Meisei International Patent Office
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