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Class Information
Number: 257/E33.043
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) > Physical imperfections (e.g., particular concentration or distribution of impurity) (epo)
Description: This subclass is indented under subclass E33.002. This subclass is substantially the same in scope as ECLA classification H01L33/00C5.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8685772 Method of manufacturing light emitting diode and light emitting diode manufactured thereby Apr. 1, 2014
8674384 Light emitting element Mar. 18, 2014
8669585 LED that has bounding silicon-doped regions on either side of a strain release layer Mar. 11, 2014
8614454 Semiconductor light-emitting device, manufacturing method thereof, and lamp Dec. 24, 2013
8592822 Light emitting device and lighting apparatus Nov. 26, 2013
8587022 Nitride semiconductor light-emitting element and process for production thereof Nov. 19, 2013
8548021 III-nitride semiconductor laser, and method for fabricating III-nitride semiconductor laser Oct. 1, 2013
8536578 Thin film transistor comprising nanowires and fabrication method thereof Sep. 17, 2013
8530913 Light emitting device Sep. 10, 2013
8530926 Light emitting device Sep. 10, 2013
8502246 Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor deposition Aug. 6, 2013
8431939 Semiconductor light-emitting device Apr. 30, 2013
8415174 Inspection method and manufacturing method of light-emitting device Apr. 9, 2013
8319231 Display device Nov. 27, 2012
8293555 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system Oct. 23, 2012
8294167 Light emitting diode with high electrostatic discharge and fabrication method thereof Oct. 23, 2012
8274083 Semiconductor device and a method of manufacturing the same Sep. 25, 2012
8263988 Solid state lighting devices with reduced crystal lattice dislocations and associated methods of manufacturing Sep. 11, 2012
8202743 Light emitting device and manufacturing method thereof Jun. 19, 2012
8174025 Semiconductor light emitting device including porous layer May. 8, 2012
8030110 Nitride semiconductor light-emitting device and method for fabrication thereof Oct. 4, 2011
8022412 Epitaxial structure having low defect density Sep. 20, 2011
7999272 Semiconductor light emitting device having patterned substrate Aug. 16, 2011
7968362 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system Jun. 28, 2011
7915635 Semiconductor light-emitting element and substrate used in formation of the same Mar. 29, 2011
7903710 Nitride semiconductor light-emitting device Mar. 8, 2011
7903707 Nitride semiconductor light-emitting device Mar. 8, 2011
7903708 Nitride semiconductor light-emitting device and method for fabrication thereof Mar. 8, 2011
7893454 Method for producing structured substrate, structured substrate, method for producing semiconductor light emitting device, semiconductor light emitting device, method for producing semiconduct Feb. 22, 2011
7888779 Method of fabrication InGaAIN film and light-emitting device on a silicon substrate Feb. 15, 2011
7851824 Light emitting device having a composition modulation layer of unequal amounts of at least two elements between an n-type contact layer and a transparent electrode Dec. 14, 2010
7829881 Semiconductor light emitting device having roughness and method of fabricating the same Nov. 9, 2010
7816696 Nitride semiconductor device and method for manufacturing same Oct. 19, 2010
7781866 Gallium nitride-based semiconductor stacked structure, method for fabrication thereof, gallium nitride-based semiconductor device and lamp using the device Aug. 24, 2010
7781780 Light emitting diodes with smooth surface for reflective electrode Aug. 24, 2010
7755097 Light emitting device having light extraction structure and method for manufacturing the same Jul. 13, 2010
7692200 Nitride semiconductor light-emitting device Apr. 6, 2010
7663148 III-nitride light emitting device with reduced strain light emitting layer Feb. 16, 2010
7651927 Semiconductor device and method for fabricating the same Jan. 26, 2010
7615796 Light emitting diode having an electrode buffer layer Nov. 10, 2009
7615471 Method for producing a tensioned layer on a substrate, and a layer structure Nov. 10, 2009
7566951 Silicon structures with improved resistance to radiation events Jul. 28, 2009
7560298 Methods for producing a tunable vertical cavity surface emitting laser Jul. 14, 2009
7550758 Method for providing a nanoscale, high electron mobility transistor (HEMT) on insulator Jun. 23, 2009
7518161 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system Apr. 14, 2009
7368759 Semiconductor light-emitting device May. 6, 2008
7348602 Nitride semiconductor device Mar. 25, 2008
7345321 High-brightness gallium-nitride based light emitting diode structure Mar. 18, 2008
7180100 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system Feb. 20, 2007
7109530 Nitride-based semiconductor element Sep. 19, 2006

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