Patent ID: 8354687

Claim:
A high efficiency light emitting diode comprising: an ultraviolet light-emitting structure comprising: a first layer with a first conductivity comprising Al 1-x-y In y Ga x N wherein 0≦x≦1 and 0≦y≦1; a second layer with a second conductivity comprising Al 1-x-y In y Ga x N wherein 0≦x≦1 and 0≦y≦1; and a light emitting quantum well region between said first layer and said second layer comprising Al 1-x-y In y Ga x N wherein 0≦x≦1 and 0≦y≦1; and a carrier bonded to said first layer and said second layer wherein said carrier has a thermal conductivity of at least 100 W/mK and said carrier is resistive between a bonding location of said first layer and a second bonding location of said second layer.