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Class Information
Number: 257/E33.028
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) > Ternary or quaternary compound (e.g., algaas) (epo) > Including nitride (e.g., algan) (epo)
Description: This subclass is indented under subclass E33.026. This subclass is substantially the same in scope as ECLA classification H01L33/00C4D3C.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8685762 Light emitting device and display Apr. 1, 2014
8686450 Method of manufacturing a vertically-structured GaN-based light emitting diode Apr. 1, 2014
8686455 Composite substrate for formation of light-emitting device, light-emitting diode device and manufacturing method thereof Apr. 1, 2014
8679248 GaN whiskers and methods of growing them from solution Mar. 25, 2014
8680537 Nitride semiconductor element and nitride semiconductor wafer Mar. 25, 2014
8680571 Gallium nitride based light emitting diode Mar. 25, 2014
8674337 Gallium nitride based light emitting diode and fabrication method thereof Mar. 18, 2014
8674381 Nitride semiconductor light emitting device Mar. 18, 2014
8663389 Method and apparatus for crystal growth using a membrane-assisted semi-closed reactor Mar. 4, 2014
8664693 Light emitting diode having algan buffer layer and method of fabricating the same Mar. 4, 2014
8658440 Nitride semiconductor crystal with surface texture Feb. 25, 2014
8648350 Gallium nitride compound semiconductor light-emitting device Feb. 11, 2014
8637960 Nitride semiconductor substrate Jan. 28, 2014
8613802 Nitride semiconductor crystal manufacturing apparatus, nitride semiconductor crystal manufacturing method, and nitride semiconductor crystal Dec. 24, 2013
8598599 Group III nitride semiconductor light-emitting device Dec. 3, 2013
8591652 Semi-conductor substrate and method of masking layer for producing a free-standing semi-conductor substrate by means of hydride-gas phase epitaxy Nov. 26, 2013
8574935 Manufacturing method of solid state light emitting element Nov. 5, 2013
8569738 Semiconductor light emitting device, wafer, method for manufacturing semiconductor light emitting device, and method for manufacturing wafer Oct. 29, 2013
8558264 Light-emitting device and projector Oct. 15, 2013
8546787 Group III nitride based quantum well light emitting device structures with an indium containing capping structure Oct. 1, 2013
8541796 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Sep. 24, 2013
8536618 Light emitting diode structure utilizing zinc oxide nanorod arrays on one or more surfaces, and a low cost method of producing such zinc oxide nanorod arrays Sep. 17, 2013
8519416 Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device Aug. 27, 2013
8507944 Light emitting device, method of fabricating the same and light emitting device package Aug. 13, 2013
8502246 Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor deposition Aug. 6, 2013
8502245 Semiconductor light emitting device having plural active layer cycles and electron barrier energy band gaps Aug. 6, 2013
8492779 Nitride semiconductor LED and fabrication method thereof Jul. 23, 2013
8476671 Light emitting device, light emitting device package, and lighting device Jul. 2, 2013
8470626 Method of fabricating light emitting diode Jun. 25, 2013
8471269 Light emitting devices having roughened/reflective contacts and methods of fabricating same Jun. 25, 2013
8449672 Method of growing group III nitride crystals May. 28, 2013
8426887 Light emitting device and light emitting device package Apr. 23, 2013
8420426 Method of manufacturing a light-emitting device Apr. 16, 2013
8421107 Group-III nitride semiconductor light emitting device and production method thereof, and lamp Apr. 16, 2013
8421122 High power gallium nitride field effect transistor switches Apr. 16, 2013
8405128 Method for enhancing growth of semipolar (Al,In,Ga,B)N via metalorganic chemical vapor deposition Mar. 26, 2013
8405102 Light emitting device, and lighting apparatus Mar. 26, 2013
8395263 Semiconductor light emitting device and method for manufacturing the same Mar. 12, 2013
8373184 Vertical nitride based semiconductor light emitting device having improved light extraction efficiency Feb. 12, 2013
8368095 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Feb. 5, 2013
8367441 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Feb. 5, 2013
8357607 Method for fabricating nitride-based semiconductor device having electrode on m-plane Jan. 22, 2013
8354689 Light emitting devices having dopant front loaded tunnel barrier layers Jan. 15, 2013
8349629 Semiconductor light-emitting element and method of manufacturing same Jan. 8, 2013
8334199 Method for fabricating nitride-based semiconductor device having electrode on m-plane Dec. 18, 2012
8330173 Nanostructure having a nitride-based quantum well and light emitting diode employing the same Dec. 11, 2012
8330174 LED having current spreading layer Dec. 11, 2012
8319235 Nitride semiconductor light-emitting device and method of manufacturing nitride semiconductor light-emitting device Nov. 27, 2012
8318594 Method for fabricating nitride-based semiconductor device having electrode on m-plane Nov. 27, 2012
8309984 Nitride-based semiconductor device having electrode on m-plane Nov. 13, 2012

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