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Class Information
Number: 257/E33.037
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) > Comprising compound other than group ii-vi, iii-v, and iv compound (epo)
Description: This subclass is indented under subclass E33.013. This subclass is substantially the same in scope as ECLA classification H01L33/00C4F.










Sub-classes under this class:

Class Number Class Name Patents
257/E33.041 Characterized by doping material (epo) 9
257/E33.04 Comprising only group i-iii-vi compound (epo) 18
257/E33.039 Comprising only group ii-iv-vi compound (epo) 6
257/E33.038 Comprising only group iv-vi compound (epo) 4
257/E33.042 Comprising only group iv-vi or ii-iv-vi compound (epo) 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8513662 Semiconductor device and display apparatus Aug. 20, 2013
8426259 Array substrate and method for manufacturing the same Apr. 23, 2013
8421115 Semiconductor material, method of producing semiconductor material, light emitting device and light receiving device Apr. 16, 2013
8309967 Diamond LED devices and associated methods Nov. 13, 2012
8253145 Semiconductor device having strong excitonic binding Aug. 28, 2012
8148742 Type II broadband or polychromatic LEDs Apr. 3, 2012
8097885 Compound semiconductor film, light emitting film, and manufacturing method thereof Jan. 17, 2012
8058641 Copper blend I-VII compound semiconductor light-emitting devices Nov. 15, 2011
8043879 Semiconductor light emitting device manufacture method Oct. 25, 2011
7923837 Microelectronic device patterned by ablating and subsequently sintering said microelectronic device Apr. 12, 2011
7872269 Gallium nitride semiconductor light emitting element Jan. 18, 2011
7842531 Gallium nitride-based device and method Nov. 30, 2010
7834371 Reflective type semiconductor light emitting device Nov. 16, 2010
7696533 Indium nitride layer production Apr. 13, 2010
7659557 Semiconductor light-emitting device and method of fabricating the same Feb. 9, 2010
7646024 Structure and method for reducing forward voltage across a silicon carbide-group III nitride interface Jan. 12, 2010
7282782 Combined binary oxide semiconductor device Oct. 16, 2007
7247889 III-nitride material structures including silicon substrates Jul. 24, 2007
7208770 Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs) Apr. 24, 2007
7071496 Electronic device and method for manufacturing the same Jul. 4, 2006
6918946 Applications of light-emitting nanoparticles Jul. 19, 2005
6911084 Low temperature epitaxial growth of quaternary wide bandgap semiconductors Jun. 28, 2005
6846565 Light-emitting nanoparticles and method of making same Jan. 25, 2005
6806503 Light-emitting diode and laser diode having n-type ZnO layer and p-type semiconductor laser Oct. 19, 2004
6399225 Silicon-and-nitrogen-containing luminescent substance, method for forming the same, and light emitting device using the same Jun. 4, 2002
6368889 Variable-wavelength light-emitting device and method of manufacture Apr. 9, 2002
6294274 Oxide thin film Sep. 25, 2001
5920086 Light emitting device Jul. 6, 1999
5895938 Semiconductor device using semiconductor BCN compounds Apr. 20, 1999
5594263 Semiconductor device containing a semiconducting crystalline nanoporous material Jan. 14, 1997
5200805 Silicon carbide:metal carbide alloy semiconductor and method of making the same Apr. 6, 1993
5008891 Semiconductor light-emitting devices Apr. 16, 1991
4992837 Light emitting semiconductor device Feb. 12, 1991
4940898 Semiconducting metal silicide radiation detectors Jul. 10, 1990
4914042 Forming a transition metal silicide radiation detector and source Apr. 3, 1990
4782377 Semiconducting metal silicide radiation detectors and source Nov. 1, 1988
4439399 Quaternary alloy Mar. 27, 1984
4194141 Electroluminescent unit Mar. 18, 1980











 
 
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