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Class Information
Number: 257/94
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Incoherent light emitter structure > With heterojunction
Description: Subject matter wherein there is at least one junction between semiconductor materials of different chemical compositions.










Sub-classes under this class:

Class Number Class Name Patents
257/96 Plural heterojunctions in same device 911
257/95 With contoured external surface (e.g., dome shape to facilitate light emission) 603


Patents under this class:

Patent Number Title Of Patent Date Issued
8710519 White light emitting diode (LED) lighting device Apr. 29, 2014
8710486 Optoelectronic semiconductor chip and method for manufacturing a contact structure for such a chip Apr. 29, 2014
8704250 Nitride semiconductor light emitting device and fabrication method thereof Apr. 22, 2014
8704208 Semiconductor light emitting device and method for manufacturing the same Apr. 22, 2014
8703515 Method for guiding current in a light emitting diode (LED) device Apr. 22, 2014
8692268 LED lamps Apr. 8, 2014
8692267 High efficiency Group III nitride LED with lenticular surface Apr. 8, 2014
8686450 Method of manufacturing a vertically-structured GaN-based light emitting diode Apr. 1, 2014
8686396 Non-polar ultraviolet light emitting device and method for fabricating same Apr. 1, 2014
8680586 Semiconductor light emitting device including GaAs substrate and method for manufacturing the same Mar. 25, 2014
8680571 Gallium nitride based light emitting diode Mar. 25, 2014
8680561 Semiconductor light emitting device and method for manufacturing same Mar. 25, 2014
8680508 Semiconductor light emitting device and method for manufacturing same Mar. 25, 2014
8674384 Light emitting element Mar. 18, 2014
8674382 Semiconductor light emitting device comprising heterojunction Mar. 18, 2014
8674381 Nitride semiconductor light emitting device Mar. 18, 2014
8674375 Roughened high refractive index layer/LED for high light extraction Mar. 18, 2014
8674340 Nitride semiconductor light emitting device and fabrication method thereof Mar. 18, 2014
8674338 Semiconductor light emitting device Mar. 18, 2014
8664688 Nitride semiconductor light-emitting chip, method of manufacture thereof, and semiconductor optical device Mar. 4, 2014
8664682 Semiconductor light emitting device and method of fabricating the same Mar. 4, 2014
8664086 Semiconductor wafer, semiconductor thin film, and method for manufacturing semiconductor thin film devices Mar. 4, 2014
8664027 LED mesa sidewall isolation by ion implantation Mar. 4, 2014
8659107 Radiation receiver and method of producing a radiation receiver Feb. 25, 2014
8659041 Nitride semiconductor light emitting diode Feb. 25, 2014
8659039 Semiconductor light emitting diode Feb. 25, 2014
8659038 Semiconductor light source and method of fabrication thereof Feb. 25, 2014
8659005 Staggered composition quantum well method and device Feb. 25, 2014
8658451 Activating GaN LEDs by laser spike annealing and flash annealing Feb. 25, 2014
8658450 Crystal growth method and semiconductor light emitting device Feb. 25, 2014
8653561 III-nitride semiconductor electronic device, and method of fabricating III-nitride semiconductor electronic device Feb. 18, 2014
8653545 Semiconductor light emitting device Feb. 18, 2014
8653537 Layer assembly for a light-emitting component Feb. 18, 2014
8653503 Optoelectronic device based on non-polar and semi-polar aluminum indium nitride and aluminum indium gallium nitride alloys Feb. 18, 2014
8648369 Light emitting device and method of fabricating the same Feb. 11, 2014
8643059 Substrate structure and method of manufacturing the same Feb. 4, 2014
8643038 Warm white LEDs having high color rendering index values and related luminophoric mediums Feb. 4, 2014
8643037 Nitride semiconductor light emitting device Feb. 4, 2014
8643035 Light emitting device and method of manufacturing the same Feb. 4, 2014
8643023 Light emitting diode, light emitting diode lamp, and lighting apparatus Feb. 4, 2014
8634442 Optical device structure using GaN substrates for laser applications Jan. 21, 2014
8629468 Method for manufacturing light emitting device and light emitting device Jan. 14, 2014
8629459 Multi-element LED lamp package Jan. 14, 2014
8629347 Photovoltaic cells based on nanoscale structures Jan. 14, 2014
8624278 Light emitting device with current blocking layer Jan. 7, 2014
8624266 Silicon carbide substrate, semiconductor device, method of manufacturing silicon carbide substrate and method of manufacturing semiconductor device Jan. 7, 2014
8624107 Photovoltaic cells based on nanoscale structures Jan. 7, 2014
8623747 Silicon, aluminum oxide, aluminum nitride template for optoelectronic and power devices Jan. 7, 2014
8618564 High efficiency light emitting diodes Dec. 31, 2013
8618562 Light emitting device and method for manufacturing same Dec. 31, 2013











 
 
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