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Class Information
Number: 257/E33.012
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) > Shape or structure (e.g., shape of epitaxial layer) (epo) > Multiple active regions between two electrodes (e.g., stacks) (epo)
Description: This subclass is indented under subclass E33.005. This subclass is substantially the same in scope as ECLA classification H01L33/00C3F.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8703515 Method for guiding current in a light emitting diode (LED) device Apr. 22, 2014
8704249 Semiconductor light emitting device Apr. 22, 2014
8679877 Nitride semiconductor light emitting device and method for manufacturing the same Mar. 25, 2014
8674396 Electrode pad structure of light emitting device Mar. 18, 2014
8674375 Roughened high refractive index layer/LED for high light extraction Mar. 18, 2014
8674373 Solid state gas dissociating device, solid state sensor, and solid state transformer Mar. 18, 2014
8664635 Light emitting diode chip having wavelength converting layer and method of fabricating the same, and package having the light emitting diode chip and method of fabricating the same Mar. 4, 2014
8653555 Vertical light-emitting diode Feb. 18, 2014
8653499 Light-emitting diode with strain-relaxed layer for reducing strain in active layer Feb. 18, 2014
8647905 Semiconductor light emitting device and method for manufacturing same Feb. 11, 2014
8618551 Semiconductor light emitting device Dec. 31, 2013
8610106 Semiconductor light emitting device Dec. 17, 2013
8610137 Organic light emitting display module and producing method thereof Dec. 17, 2013
8592839 Vertical light-emitting devices having patterned emitting unit and methods of manufacturing the same Nov. 26, 2013
8587015 Light-emitting element Nov. 19, 2013
8575630 Light emitting device, light emitting device unit, and method for fabricating light emitting device Nov. 5, 2013
8558216 Nitride semiconductor light emitting device and method for manufacturing the same Oct. 15, 2013
8546818 Vertical LED with current-guiding structure Oct. 1, 2013
8541250 Method and system for continuously manufacturing liquid crystal display device Sep. 24, 2013
8530893 Display substrate and method of manufacturing the same Sep. 10, 2013
8530268 Organic light-emitting display device and method of manufacturing the same Sep. 10, 2013
8525194 Nitride semiconductor device, nitride semiconductor wafer and method for manufacturing nitride semiconductor layer Sep. 3, 2013
8525197 Semiconductor light emitting device and method for manufacturing same Sep. 3, 2013
8507941 Ultraviolet light emitting diode with AC voltage operation Aug. 13, 2013
8487321 AC light emitting assembly and AC light emitting device Jul. 16, 2013
8456010 Semiconductor device Jun. 4, 2013
8450758 Light emitting diode device May. 28, 2013
8440483 Method of fabricating array substrate May. 14, 2013
8436374 Light-emitting element, display device, and electronic apparatus May. 7, 2013
8436396 Semiconductor light emitting element, method for manufacturing semiconductor light emitting element, and lamp May. 7, 2013
8426259 Array substrate and method for manufacturing the same Apr. 23, 2013
8426228 Thin-film transistor substrate, method of manufacturing same and display apparatus having same Apr. 23, 2013
8421085 Semiconductor light-emitting device Apr. 16, 2013
8399876 Semiconductor dies, light-emitting devices, methods of manufacturing and methods of generating multi-wavelength light Mar. 19, 2013
8378353 Organic light emitting diode display device and method of manufacturing the same Feb. 19, 2013
8362459 Light emitting device, light emitting device package, and lighting system Jan. 29, 2013
8362494 Electro-optic device with novel insulating structure and a method for manufacturing the same Jan. 29, 2013
8319232 Method for providing and removing discharging interconnect for chip-on-glass output leads and structures thereof Nov. 27, 2012
8314431 LED semiconductor element having increased luminance Nov. 20, 2012
8309978 LED module and LED lamp having the LED module Nov. 13, 2012
8304793 III-nitride semiconductor optical device and epitaxial substrate Nov. 6, 2012
8274070 Semiconductor light-emitting element including an auxiliary electrode Sep. 25, 2012
8242522 Optical device structure using non-polar GaN substrates and growth structures for laser applications in 481 nm Aug. 14, 2012
8227815 Lighting device Jul. 24, 2012
8148733 Vertical LED with current guiding structure Apr. 3, 2012
8093604 Engineered structure for solid-state light emitters Jan. 10, 2012
8089080 Engineered structure for high brightness solid-state light emitters Jan. 3, 2012
8035113 Optical devices featuring textured semiconductor layers Oct. 11, 2011
8022386 Vertical topology light emitting device Sep. 20, 2011
8003994 Vertical LED with current guiding structure Aug. 23, 2011

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