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Class Information
Number: 257/97
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Incoherent light emitter structure > With heterojunction > Plural heterojunctions in same device > More than two heterojunctions in same device
Description: Subject matter wherein the light emitting device has more than two heterojunctions.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8704252 Light emitting device Apr. 22, 2014
8692206 Systems, devices, and methods including implants for managing cumulative X-ray radiation dosage Apr. 8, 2014
8692269 Light emitting device Apr. 8, 2014
8686447 Light emitting unit and display device Apr. 1, 2014
8680507 A1N inter-layers in III-N material grown on DBR/silicon substrate Mar. 25, 2014
8669585 LED that has bounding silicon-doped regions on either side of a strain release layer Mar. 11, 2014
8659107 Radiation receiver and method of producing a radiation receiver Feb. 25, 2014
8659041 Nitride semiconductor light emitting diode Feb. 25, 2014
8659004 Light emitting diode, light emitting diode lamp, and illuminating apparatus Feb. 25, 2014
8647905 Semiconductor light emitting device and method for manufacturing same Feb. 11, 2014
8648369 Light emitting device and method of fabricating the same Feb. 11, 2014
8648380 Light emitting device having a plurality of non-polar light emitting cells and a method of fabricating the same Feb. 11, 2014
8643037 Nitride semiconductor light emitting device Feb. 4, 2014
8592827 Light-emitting device and the manufacturing method thereof Nov. 26, 2013
8592841 Nitride semiconductor device Nov. 26, 2013
8569791 LED and method for manufacturing the same Oct. 29, 2013
8564014 Ultraviolet light emitting AlGaN composition and ultraviolet light emitting device containing same Oct. 22, 2013
8563997 Semiconductor light emitting device Oct. 22, 2013
8558215 Light emitting device, light emitting device package, method of manufacturing light emitting device and lighting system Oct. 15, 2013
8541794 Nitride semiconductor light-emitting devices Sep. 24, 2013
8536598 Semiconductor light emitting device and fabrication method for the same Sep. 17, 2013
8530923 LED chip Sep. 10, 2013
8525148 Solid state lighting devices without converter materials and associated methods of manufacturing Sep. 3, 2013
8525197 Semiconductor light emitting device and method for manufacturing same Sep. 3, 2013
8525198 Ultraviolet light emitting diode devices and methods for fabricating the same Sep. 3, 2013
8519416 Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device Aug. 27, 2013
8519437 Polarization doping in nitride based diodes Aug. 27, 2013
8513670 Pixel structure and pixel circuit having multi-display mediums Aug. 20, 2013
8507929 Semiconductor light emitting device including graded region Aug. 13, 2013
8502246 Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor deposition Aug. 6, 2013
8487328 Light emitting device Jul. 16, 2013
8471288 Group III nitride semiconductor light-emitting device including an auxiliary electrode in contact with a back surface of an n-type layer Jun. 25, 2013
8471279 Nano/micro-sized diode and method of preparing the same Jun. 25, 2013
8470697 Method of forming p-type compound semiconductor layer Jun. 25, 2013
8445924 Light emitting device May. 21, 2013
8441024 Semiconductor light emitting device and method for manufacturing the same May. 14, 2013
8436389 Light emitting device having a plurality of non-polar light emitting cells and a method of fabricating the same May. 7, 2013
8415708 Nitride based semiconductor light-emitting device Apr. 9, 2013
8405102 Light emitting device, and lighting apparatus Mar. 26, 2013
8390006 Light emitting device including a plurality of GaN-based reflective layers Mar. 5, 2013
8368092 Thin film LED comprising a current-dispersing structure Feb. 5, 2013
8368109 Light emitting diodes with a p-type surface bonded to a transparent submount to increase light extraction efficiency Feb. 5, 2013
8354686 Light emitting device array Jan. 15, 2013
8355419 Semiconductor optoelectronic device with improved beam quality Jan. 15, 2013
8350250 Nitride-based light emitting device Jan. 8, 2013
8349632 Organic light-emitting display device and method of manufacturing the same Jan. 8, 2013
8334577 Semiconductor device Dec. 18, 2012
8330174 LED having current spreading layer Dec. 11, 2012
8319242 Light-emitting semiconductor device, mounted substrate, and fabrication method thereof Nov. 27, 2012
8314415 Radiation-emitting semiconductor body Nov. 20, 2012

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