Resources Contact Us Home
Semiconductor light-emitting device

Image Number 3 for United States Patent #7953134.

A semiconductor light-emitting device includes a substrate, a first cladding layer over the substrate, an active region on the first cladding layer, and a second cladding layer on the active region, wherein the active region includes a first type barrier layer that is doped and a second type barrier layer that is undoped, the first type barrier layer being closer to the first cladding layer than the second type barrier layer.

  Recently Added Patents
Interface circuit
Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
Cryptographic key split combiner
Electrical terminal
Portable electric circular saw
Decoding and presentation time stamps for MPEG-4 advanced video coding
Liquid crystal display and method of driving the same
  Randomly Featured Patents
Method of making single bit erase flash EEPROM
Variable ratio magnetic drive mechanism
Process of fabricating a Schottky barrier photovoltaic detector
Method and apparatus for presenting a summary of selected values
Torque detecting apparatus, and method for assembling torque detecting apparatus
Method for on-line assessment and indication of transformer conditions
Insulated refrigerator door construction
Sterility testing unit
Pre-alloyed powder
Electron emission film and field emission cold cathode device