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Class Information
Number: 257/E33.034
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) > Including ternary or quaternary compound (e.g., algaas) (epo) > Comprising nitride compound (e.g., algan) (epo) > With heterojunction (e.g., algan/gan) (epo)
Description: This subclass is indented under subclass E33.033. This subclass is substantially the same in scope as ECLA classification H01L33/00C4D6C2.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692261 Light emitting device grown on a relaxed layer Apr. 8, 2014
8692269 Light emitting device Apr. 8, 2014
8691606 Method for manufacturing a light emitting diode with smooth surface for reflective electrode Apr. 8, 2014
8674337 Gallium nitride based light emitting diode and fabrication method thereof Mar. 18, 2014
8674375 Roughened high refractive index layer/LED for high light extraction Mar. 18, 2014
8653503 Optoelectronic device based on non-polar and semi-polar aluminum indium nitride and aluminum indium gallium nitride alloys Feb. 18, 2014
8653549 Phosphor, phosphor manufacturing method, and white light emitting device Feb. 18, 2014
8648381 Semiconductor light emitting device Feb. 11, 2014
8643036 Semiconductor light-emitting device Feb. 4, 2014
8575593 Semiconductor light emitting device and fabrication method thereof Nov. 5, 2013
8558264 Light-emitting device and projector Oct. 15, 2013
8541807 Semiconductor light emitting device and light emitting apparatus having the same Sep. 24, 2013
8541796 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Sep. 24, 2013
8525194 Nitride semiconductor device, nitride semiconductor wafer and method for manufacturing nitride semiconductor layer Sep. 3, 2013
8525196 Nitride-based semiconductor light emitting diode Sep. 3, 2013
8525198 Ultraviolet light emitting diode devices and methods for fabricating the same Sep. 3, 2013
8525203 Semiconductor light emitting device Sep. 3, 2013
8519416 Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device Aug. 27, 2013
8513683 Optical integrated semiconductor light emitting device Aug. 20, 2013
8502245 Semiconductor light emitting device having plural active layer cycles and electron barrier energy band gaps Aug. 6, 2013
8482037 Gated AlGaN/GaN Schottky device Jul. 9, 2013
8476086 Semiconductor device and method of its manufacture Jul. 2, 2013
8476649 Solid state lighting devices with accessible electrodes and methods of manufacturing Jul. 2, 2013
8470626 Method of fabricating light emitting diode Jun. 25, 2013
8455911 Semiconductor light-emitting device Jun. 4, 2013
8426887 Light emitting device and light emitting device package Apr. 23, 2013
8421100 Nitride semiconductor light emitting device and method of manufacturing the same Apr. 16, 2013
8421119 GaN related compound semiconductor element and process for producing the same and device having the same Apr. 16, 2013
8405128 Method for enhancing growth of semipolar (Al,In,Ga,B)N via metalorganic chemical vapor deposition Mar. 26, 2013
8395165 Laterally contacted blue LED with superlattice current spreading layer Mar. 12, 2013
8395263 Semiconductor light emitting device and method for manufacturing the same Mar. 12, 2013
8390018 Nitride-based compound semiconductor light emitting device and method of fabricating the same Mar. 5, 2013
8378381 GaN-based semiconductor light emitting device Feb. 19, 2013
8367441 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Feb. 5, 2013
8368095 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Feb. 5, 2013
8362502 Solid-state light source Jan. 29, 2013
8357607 Method for fabricating nitride-based semiconductor device having electrode on m-plane Jan. 22, 2013
8357925 Optoelectronic device based on non-polar and semi-polar aluminum indium nitride and aluminum indium gallium nitride alloys Jan. 22, 2013
8354689 Light emitting devices having dopant front loaded tunnel barrier layers Jan. 15, 2013
8344356 Semiconductor material, method of making the same, and semiconductor device Jan. 1, 2013
8338837 Light emitting device Dec. 25, 2012
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
8318594 Method for fabricating nitride-based semiconductor device having electrode on m-plane Nov. 27, 2012
8319235 Nitride semiconductor light-emitting device and method of manufacturing nitride semiconductor light-emitting device Nov. 27, 2012
8309967 Diamond LED devices and associated methods Nov. 13, 2012
8309984 Nitride-based semiconductor device having electrode on m-plane Nov. 13, 2012
8304802 Nitride-based semiconductor device having electrode on m-plane Nov. 6, 2012
8299490 Nitride-based semiconductor device having electrode on m-plane Oct. 30, 2012
8294178 Light emitting device using compound semiconductor Oct. 23, 2012

1 2 3 4










 
 
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