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
Managing personal information on a network
Device and method incorporating an improved text input mechanism
Method for transmitting an electronic short message to multiple receivers
Conductor-mixed active electrode material, electrode structure, rechargeable battery, and manufacturing method of conductor-mixed active electrode material
Ejection station
Process for preparing substituted aromatic carboxylic acids
Systems and methods for economic retirement analysis
  Randomly Featured Patents
Bottom rod safety guard for railway brake rigging
Balanced single ended to differential signal converter
Complex filter circuit and receiver circuit
Single handle faucet valve
Mounting assembly for a stent and a method of using the same to coat a stent
Calculating differential scattering parameters
Equipment and process for upgrading oil
Magazine holder
Contact in a socket for an electric part
Packing puller and puller lifting tools