Resources Contact Us Home
Semiconductor laser

Image Number 2 for United States Patent #5640409.

A semiconductor light-emitting device capable of emitting blue to green light is disclosed. The device comprises a first cladding layer of the first conduction type stacked on a compound semiconductor substrate and made of ZnMgSSe compound semiconductor; an active layer stacked on the first cladding layer; a second cladding layer of the second conduction type stacked on the active layer and made of a ZnMgSSe compound semiconductor; and ZnSSe compound semiconductor layers provided on the second cladding layer and/or between the compound semiconductor substrate and the first cladding layer. The device has good optical confinement characteristics and carrier confinement characteristics, generates only a small amount of heat during its operation, and is fabricated easily.

  Recently Added Patents
Functionalized main chain polymers
Package for product
Pointing device, display apparatus and pointing system, and location data generation method and display method using the same
Array substrate including thin film transistor and method of fabricating the same
Method for repairing or replacing damaged tissue
Power storage device and method for manufacturing the same
  Randomly Featured Patents
Down jacket
Tricyclic aromatic compounds
Apparatus for foam manufacturing using carbon dioxide dissolved under pressure
Low-dose oral administration of interferons
Method for determination of carbon dioxide emissions from combustion sources used to heat a working fluid
Phosphor and light-emitting device using same
High-speed photon detector and no cost method of forming the detector
Foot prosthesis with resilient multi-axial ankle
Heterocyclo substituted hydroxamic acid derivatives as cyclooxygenase-2 and 5-lipoxygenase inhibitors
RF repeater arrangement with improved frequency reuse for wireless telephones