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Class Information
Number: 257/E33.014
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) > In different regions (epo)
Description: This subclass is indented under subclass E33.013. This subclass is substantially the same in scope as ECLA classification H01L33/00C4G2.










Patents under this class:

Patent Number Title Of Patent Date Issued
8703515 Method for guiding current in a light emitting diode (LED) device Apr. 22, 2014
8659004 Light emitting diode, light emitting diode lamp, and illuminating apparatus Feb. 25, 2014
8648363 Organic EL display unit, method of manufacturing the same, and solution used in method Feb. 11, 2014
8623679 Organic EL display unit, method of manufacturing the same, and solution used in method Jan. 7, 2014
8581266 Light-emitting element, light-emitting device, lighting device, and electronic device Nov. 12, 2013
8552461 Light emitting diode without leads Oct. 8, 2013
8546164 Method of manufacturing display device including thin film transistor Oct. 1, 2013
8546818 Vertical LED with current-guiding structure Oct. 1, 2013
8525148 Solid state lighting devices without converter materials and associated methods of manufacturing Sep. 3, 2013
8445925 Semiconductor optical device May. 21, 2013
8431940 Light-emitting element, light-emitting device, lighting device, and electronic device Apr. 30, 2013
8405100 Organic EL display unit, method of manufacturing the same, and solution used in method Mar. 26, 2013
8384096 Semiconductor component with optically active regions which provides high optical output power, and method for producing same Feb. 26, 2013
8362460 Method of fabricating semiconductor devices on a group IV substrate with controlled interface properties and diffusion tails Jan. 29, 2013
8362494 Electro-optic device with novel insulating structure and a method for manufacturing the same Jan. 29, 2013
8304784 Illumination device Nov. 6, 2012
8207540 Light-emitting element, light-emitting device, lighting device, and electronic device Jun. 26, 2012
8178362 Electronically scannable multiplexing device May. 15, 2012
8148733 Vertical LED with current guiding structure Apr. 3, 2012
8148741 Polychromatic LED's and related semiconductor devices Apr. 3, 2012
8138560 Microstructure, micromachine, and manufacturing method of microstructure and micromachine Mar. 20, 2012
8106419 Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp Jan. 31, 2012
8084782 Light-emitting film, light-emitting device and production method thereof Dec. 27, 2011
8049212 Thin film transistor, method of fabricating a thin film transistor and flat panel display device having the same Nov. 1, 2011
7994505 Liquid crystal display device Aug. 9, 2011
7985974 Light-emitting element, light-emitting device, lighting device, and electronic device Jul. 26, 2011
7955875 Forming light emitting devices including custom wavelength conversion structures Jun. 7, 2011
7800117 Pixel structure for a solid state light emitting device Sep. 21, 2010
7732237 Quantum dot based optoelectronic device and method of making same Jun. 8, 2010
7700936 Fabrication of quantum dots embedded in three-dimensional photonic crystal lattice Apr. 20, 2010
7683389 Nitride-based semiconductor light emitting diode Mar. 23, 2010
7663138 Nitride semiconductor light emitting element Feb. 16, 2010
7560298 Methods for producing a tunable vertical cavity surface emitting laser Jul. 14, 2009
7378695 Solid-state image pickup device and manufacturing method thereof May. 27, 2008
7291863 Light emitting diode structure Nov. 6, 2007











 
 
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