Semiconductor light emitting device

T Tanaka, K Okamoto - US Patent 8,013,356, 2011 - Google Patents
(57) ABSTRACT A semiconductor light emitting device has a device body made of a group III
nitride semiconductor having a major Surface defined by a nonpolar plane. In the device …

Nitride semiconductor device

E Yamada, T Kamikawa, M Araki - US Patent 8,368,183, 2013 - Google Patents
A nitride semiconductor device is provided that prevents development of cracks, that has
nitride semiconductor thin films with uniform thicknesses and good growth surface flatness …

Nitride semiconductor light-emitting device and method for fabrication thereof

T Kamikawa, E Yamada, M Araki, Y Kaneko - US Patent 7,903,708, 2011 - Google Patents
(57) ABSTRACT A nitride semiconductor laser device uses a substrate with low defect
density, contains reduced strains inside a nitride semiconductor film, and thus offers a …

Method for fabrication of semiconductor device

T Kamikawa, E Yamada, M Araki - US Patent 7,157,297, 2007 - Google Patents
On a processed substrate having an engraved region as a depressed portion formed
thereon, a nitride semiconductor thin film is laid. The sectional area occupied by the nitride …

Nitride semiconductor light-emitting chip, method of manufacture thereof, and semiconductor optical device

T Kamikawa, M Ohta - US Patent 8,664,688, 2014 - Google Patents
(57) ABSTRACT A nitride semiconductor light-emitting chip offers enhanced luminous
efficacy as a result of an improved EL emission pattern. The nitride semiconductor laser chip …

Method for fabricating a nitride semiconductor light-emitting device

T Takakura, T Kamikawa, Y Kaneko - US Patent 7,109,049, 2006 - Google Patents
Provided is a method for fabricating a nitride semiconductor light-emitting device including a
nitride semiconductor substrate having a groove and a ridge formed on the top surface …

Nitride semiconductor light-emitting device

T Kamikawa, Y Kaneko, K Motoki - US Patent 7,903,707, 2011 - Google Patents
(57) ABSTRACT A nitride semiconductor light-emitting device wherein a Sub strate or nitride
semiconductor layer has a defect concentra tion region and a low defect density region other …

Nitride semiconductor wafer, nitride semiconductor chip, and method of manufacture of nitride semiconductor chip

T Kamikawa, M Ohta - US Patent 8,344,413, 2013 - Google Patents
(57) ABSTRACT A nitride semiconductor chip is provided that offers enhanced luminous
efficacy as a result of an improved EL emission pattern. The nitride semiconductor laser chip …

Nitride semiconductor chip, method of fabrication thereof, and semiconductor device

T Kamikawa, M Ohta - US Patent App. 12/801,910, 2011 - Google Patents
(57) ABSTRACT A nitride semiconductor chip is provided that offers enhanced luminous
efficacy and an increased yield as a result of an improved EL emission pattern and improved …

Nitride semiconductor wafer, nitride semiconductor chip, method of manufacture thereof, and semiconductor device

M Ohta, T Kamikawa - US Patent App. 12/805,848, 2011 - Google Patents
H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …