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Class Information
Number: 257/E33.067
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 > Detail of nonsemiconductor component other than light-emitting semiconductor device (epo) > Means for light extraction or guiding (epo)
Description: This subclass is indented under subclass E33.055. This subclass is substantially the same in scope as ECLA classification H01L33/00B6.










Sub-classes under this class:

Class Number Class Name Patents
257/E33.068 Integrated with device (e.g., back surface reflector, lens) (epo) 724
257/E33.071 Not integrated with device (epo) 52
257/E33.074 Scattering means (e.g., surface roughening) (epo) 267


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

Patent Number Title Of Patent Date Issued
8710524 Light emitting element, method for manufacturing the light emitting element, optical element and method for manufacturing the optical element Apr. 29, 2014
8710529 Light-emitting device package structure Apr. 29, 2014
8711334 Light barrier and method for detecting objects Apr. 29, 2014
8704259 Optical illumination device Apr. 22, 2014
8674394 Light emitting device package and method of manufacturing the same Mar. 18, 2014
8674384 Light emitting element Mar. 18, 2014
8674383 Solid state lighting device on a conductive substrate Mar. 18, 2014
8669575 Light emitting module, method of manufacturing the light emitting module, and lamp unit Mar. 11, 2014
8664020 Semiconductor light emitting device and method of manufacturing the same Mar. 4, 2014
8664683 Carrier and optical semiconductor device based on such a carrier Mar. 4, 2014
8659038 Semiconductor light source and method of fabrication thereof Feb. 25, 2014
8653548 Light-emitting device Feb. 18, 2014
8653545 Semiconductor light emitting device Feb. 18, 2014
8648376 Light emitting device having light extraction structure and method for manufacturing the same Feb. 11, 2014
8648372 Light-emitting device, method for adjusting optical properties, and method for manufacturing light-emitting devices Feb. 11, 2014
8648366 LED and method of manufacturing the same Feb. 11, 2014
8648365 Lighting emitting device package Feb. 11, 2014
8648356 Light emitting diode for harsh environments Feb. 11, 2014
8647906 Method for manufacturing a light emitting device Feb. 11, 2014
8647901 Method for forming a nitride semiconductor layer and method for separating the nitride semiconductor layer from the substrate Feb. 11, 2014
8647900 Micro-structure phosphor coating Feb. 11, 2014
8637889 Semiconductor light emitting device Jan. 28, 2014
8633042 Light emitting diode Jan. 21, 2014
8624270 Device having a plurality of light emitting structures bonded by adhesive layers and light emitting device package having the same Jan. 7, 2014
8618572 Light-emitting device and method for manufacturing the same Dec. 31, 2013
8618566 Light emitting device and method of manufacturing the same Dec. 31, 2013
8617909 LED with substrate modifications for enhanced light extraction and method of making same Dec. 31, 2013
8614452 Light-emitting diode having zinc oxide nanorods and method of fabricating the same Dec. 24, 2013
8614454 Semiconductor light-emitting device, manufacturing method thereof, and lamp Dec. 24, 2013
8610144 Semiconductor light emitting device Dec. 17, 2013
8598599 Group III nitride semiconductor light-emitting device Dec. 3, 2013
8592847 Light-emitting device Nov. 26, 2013
8592850 Light emitting device Nov. 26, 2013
8569784 Light emitting device and method for manufacturing the same Oct. 29, 2013
8563990 Electronic device and method of manufacturing an electronic device Oct. 22, 2013
8558215 Light emitting device, light emitting device package, method of manufacturing light emitting device and lighting system Oct. 15, 2013
8558247 GaN LEDs with improved area and method for making the same Oct. 15, 2013
8552442 Semiconductor light emitting device Oct. 8, 2013
8552448 Light emitting device Oct. 8, 2013
8546832 Thin-film LED with p and n contacts electrically isolated from the substrate Oct. 1, 2013
8546826 Light-emitting module and method of manufacture for a light-emitting module Oct. 1, 2013
8541796 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Sep. 24, 2013
8536601 Thin-film LED with P and N contacts electrically isolated from the substrate Sep. 17, 2013
8536602 Light emitting device, method of manufacturing the same, light emitting device package, and lighting system Sep. 17, 2013
8530908 Organic EL element Sep. 10, 2013
8530257 Band offset in alingap based light emitters to improve temperature performance Sep. 10, 2013
8530253 Method of fabricating flexible display device Sep. 10, 2013
8525202 LED package, method for manufacturing LED package, and packing member for LED package Sep. 3, 2013
8513679 Semiconductor light-emitting device and method for fabricating the same Aug. 20, 2013
8513687 Semiconductor light emitting device and semiconductor light emitting apparatus Aug. 20, 2013

1 2 3 4 5 6 7 8 9 10 11










 
 
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