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Class Information
Number: 257/E33.024
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Device characterized by semiconductor body (epo) > Material of active region (epo) > Comprising only group iii-v compound (epo) > Binary compound (e.g., gaas) (epo)
Description: This subclass is indented under subclass E33.023. This subclass is substantially the same in scope as ECLA classification H01L33/00C4D2.

Sub-classes under this class:

Class Number Class Name Patents
257/E33.025 Including nitride (e.g., gan) (epo) 303

Patents under this class:

Patent Number Title Of Patent Date Issued
8643059 Substrate structure and method of manufacturing the same Feb. 4, 2014
8624291 Crystalline aluminum carbide thin film, semiconductor substrate having the aluminum carbide thin film formed thereon and method of fabricating the same Jan. 7, 2014
8592838 Low voltage display or indicator system employing combinations of up converters and semiconductor light sources Nov. 26, 2013
8580668 Method of forming ohmic contact layer and method of fabricating light emitting device having ohmic contact layer Nov. 12, 2013
8563999 Light emitting device, light emitting device package and illumination system for reducing dislocation in semiconductor layer Oct. 22, 2013
8119429 Method for fabricating nitride semiconductor laser device and nitride semiconductor laser device Feb. 21, 2012
8106412 Semiconductor light emitting device and fabrication method for the same Jan. 31, 2012
7863631 A1InGaP LED having reduced temperature dependence Jan. 4, 2011
7645626 Multiple GaInNAs quantum wells for high power applications Jan. 12, 2010
7601985 Semiconductor light-emitting device Oct. 13, 2009
7514349 Semiconductor optical device and manufacturing method thereof Apr. 7, 2009
7449723 Semiconductor device Nov. 11, 2008
7208774 Semiconductor optical device Apr. 24, 2007
7196357 Optical semiconductor apparatus Mar. 27, 2007
7148514 Nitride semiconductor light emitting diode and fabrication method thereof Dec. 12, 2006
7067856 Semiconductor structure, semiconductor device, communicating device, integrated circuit, and process for fabricating the same Jun. 27, 2006
6831304 P-n junction type boron phosphide-based semiconductor light-emitting device and production method thereof Dec. 14, 2004
6809346 Boron phosphide-based semiconductor light-emitting device, production method thereof, and light-emitting diode Oct. 26, 2004
6730941 Boron phosphide-based semiconductor light-emitting device, production method thereof, and light-emitting diode May. 4, 2004
6693033 Method of removing an amorphous oxide from a monocrystalline surface Feb. 17, 2004
6479312 Gallium phosphide luminescent device Nov. 12, 2002
6392257 Semiconductor structure, semiconductor device, communicating device, integrated circuit, and process for fabricating the same May. 21, 2002
6350997 Semiconductor light emitting element Feb. 26, 2002
5895706 Epitaxial structure for GaP light-emitting diode Apr. 20, 1999
5886369 Epitaxial wafer for GaP pure green light-emitting diode and GaP pure green light-emitting diode Mar. 23, 1999
5726462 Semiconductor structures having electrically insulating and conducting portions formed from an AlSb-alloy layer Mar. 10, 1998
5571321 Method for producing a gallium phosphide epitaxial wafer Nov. 5, 1996
5514881 Gap light emitting device having a low carbon content in the substrate May. 7, 1996
5442191 Isotopically enriched semiconductor devices Aug. 15, 1995
5407858 Method of making gap red light emitting element substrate by LPE Apr. 18, 1995
5369290 Light emission element using a polycrystalline semiconductor material of III-V group compound Nov. 29, 1994
5144409 Isotopically enriched semiconductor devices Sep. 1, 1992
5032539 Method of manufacturing green light emitting diode Jul. 16, 1991
4965644 Pure green light emitting diodes and method of manufacturing the same Oct. 23, 1990
4689125 Fabrication of cleaved semiconductor lasers Aug. 25, 1987
4671829 Manufacturing green light emitting diodes Jun. 9, 1987
4384398 Elimination of silicon pyramids from epitaxial crystals of GaAs and GaAlAs May. 24, 1983
4180825 Heteroepitaxial deposition of GaP on silicon substrates Dec. 25, 1979
3991163 Process for the production of III-V compounds Nov. 9, 1976

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