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Class Information
Number: 438/37
Name: Semiconductor device manufacturing: process > Making device or circuit emissive of nonelectrical signal > Graded composition
Description: Process wherein the chemical composition of a semiconductor region of the substrate varies with location within the semiconductive region.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8686455 Composite substrate for formation of light-emitting device, light-emitting diode device and manufacturing method thereof Apr. 1, 2014
8685772 Method of manufacturing light emitting diode and light emitting diode manufactured thereby Apr. 1, 2014
8658446 Method for fabricating semiconductor substrate for optoelectronic components Feb. 25, 2014
8659071 Method and structure to improve the erasing speed operation of SONOS memory device having a graded silicon nitride layer Feb. 25, 2014
8652862 Method for etching insulating film and method for manufacturing semiconductor optical device Feb. 18, 2014
8618551 Semiconductor light emitting device Dec. 31, 2013
8586859 Wafer level interconnection of inverted metamorphic multijunction solar cells Nov. 19, 2013
8587004 Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method Nov. 19, 2013
8575593 Semiconductor light emitting device and fabrication method thereof Nov. 5, 2013
8575011 Method of fabricating a device with a concentration gradient and the corresponding device Nov. 5, 2013
8530255 Method of manufacturing semiconductor laser, semiconductor laser, optical pickup, optical disk device, method of manufacturing semiconductor device, semiconductor device, and method of growing Sep. 10, 2013
8518285 Substrate section for flexible display device, method of manufacturing the substrate section, and method of manufacturing organic light emitting display device including the substrate Aug. 27, 2013
8513688 Method for enhancing electrical injection efficiency and light extraction efficiency of light-emitting devices Aug. 20, 2013
8501513 Optoelectronic semiconductor component with current spreading layer Aug. 6, 2013
8501508 Method of forming quantum well mosfet channels having uni-axial strains caused by metal source/drains Aug. 6, 2013
8476671 Light emitting device, light emitting device package, and lighting device Jul. 2, 2013
8470627 Method for manufacturing semiconductor light emitting device Jun. 25, 2013
8460958 Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method Jun. 11, 2013
8431943 Light transmitting substrate, method for manufacturing light transmitting substrate, organic LED element and method for manufacturing organic LED element Apr. 30, 2013
8426225 Semiconductor material doping based on target valence band discontinuity Apr. 23, 2013
8421116 Light emitting device and method for manufacturing the same Apr. 16, 2013
8354689 Light emitting devices having dopant front loaded tunnel barrier layers Jan. 15, 2013
8338196 Light-emitting element and light emitting device using the same Dec. 25, 2012
8334542 Light emitting diode and manufacturing method thereof Dec. 18, 2012
8329489 Method for manufacturing semiconductor light emitting device Dec. 11, 2012
8330036 Method of fabrication and structure for multi-junction solar cell formed upon separable substrate Dec. 11, 2012
8323994 Group III nitride semiconductor light-emitting device and method for producing the same Dec. 4, 2012
8319231 Display device Nov. 27, 2012
8283694 GaN substrate, epitaxial layer-provided substrate, methods of manufacturing the same, and method of manufacturing semiconductor device Oct. 9, 2012
8263853 Wafer level interconnection of inverted metamorphic multijunction solar cells Sep. 11, 2012
8217488 GaN light emitting diode and method for increasing light extraction on GaN light emitting diode via sapphire shaping Jul. 10, 2012
8218919 Method and device for providing electronic circuitry on a backplate Jul. 10, 2012
8212245 Light emitting organic component and method for production thereof Jul. 3, 2012
8173891 Monolithic, multi-bandgap, tandem, ultra-thin, strain-counterbalanced, photovoltaic energy converters with optimal subcell bandgaps May. 8, 2012
8101968 Group III nitride substrate, epitaxial layer-provided substrate, methods of manufacturing the same, and method of manufacturing semiconductor device Jan. 24, 2012
8101959 Light emitting device Jan. 24, 2012
8090229 Method and device for providing electronic circuitry on a backplate Jan. 3, 2012
8067687 High-efficiency, monolithic, multi-bandgap, tandem photovoltaic energy converters Nov. 29, 2011
8049242 Optoelectronic device Nov. 1, 2011
8030639 Nitride semiconductor light emitting device and fabrication method thereof Oct. 4, 2011
8019186 Photonic crystal circuit comprising a guided mode adapter and optical system including said circuit coupled with an optical fiber Sep. 13, 2011
7964419 Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method Jun. 21, 2011
7956380 Semiconductor light-emitting device Jun. 7, 2011
7955875 Forming light emitting devices including custom wavelength conversion structures Jun. 7, 2011
7901960 Group III nitride substrate, epitaxial layer-provided substrate, methods of manufacturing the same, and method of manufacturing semiconductor device Mar. 8, 2011
7884466 Semiconductor device with double-sided electrode structure and its manufacturing method Feb. 8, 2011
7875470 Method of forming buffer layer for nitride compound semiconductor light emitting device and nitride compound semiconductor light emitting device having the buffer layer Jan. 25, 2011
7850501 Light-emitting device and method for manufacturing light-emitting device Dec. 14, 2010
7839075 Organic electroluminescent element, illuminator and display Nov. 23, 2010
7825417 Epitaxial wafers, method for manufacturing of epitaxial wafers, method of suppressing bowing of these epitaxial wafers and semiconductor multilayer structures using these epitaxial wafers Nov. 2, 2010

1 2 3 4










 
 
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