Kilpatrick Stockton LLP
Surface light emitting diode with electrically conductive window layer
 A surface emitting AlGaInP LED having an ITO layer as a window layer to eliminate the current crowding effect, and an ohmic contact layer between its double hereto-structure of AlGaInP and the ITO layer, so that ITO can be utilized with the double hereto-structure of AlGaInP. 
Industrial Technology Research Institute
Biing-Jye Jyh-Feng Chuan-Ming Ming-Jiunn
Lee Lin Chang Jou