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Class Information
Number: 257/E33.032
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 only group iii-v compound (epo) > Including ternary or quaternary compound (e.g., algaas) (epo) > With heterojunction (e.g., algaas/gaas) (epo)
Description: This subclass is indented under subclass E33.031. This subclass is substantially the same in scope as ECLA classification H01L33/00C4D6B.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622745 |
Epitaxial wafer for a semiconductor light emitting device, method for fabricating the same and semiconductor light emitting device |
Nov. 24, 2009 |
| 7601985 |
Semiconductor light-emitting device |
Oct. 13, 2009 |
| 7579630 |
Semiconductor optical device |
Aug. 25, 2009 |
| 7553691 |
Method and apparatus of multiplejunction solar cell structure with high band gap heterojunction middle cell |
Jun. 30, 2009 |
| 7547925 |
Superlattice strain relief layer for semiconductor devices |
Jun. 16, 2009 |
| 7531440 |
Semiconductor laser device, semiconductor laser system, optical pickup module and manufacturing for semiconductor laser system |
May. 12, 2009 |
| 7518139 |
Gallium nitride-based device and method |
Apr. 14, 2009 |
| 7473935 |
White-light emitting semiconductor device |
Jan. 6, 2009 |
| 7374959 |
Two-wavelength semiconductor laser device and method of manufacturing the same |
May. 20, 2008 |
| 7348602 |
Nitride semiconductor device |
Mar. 25, 2008 |
| 7276735 |
Laminated semiconductor substrate and optical semiconductor element |
Oct. 2, 2007 |
| 7253865 |
Non rectangular display device |
Aug. 7, 2007 |
| 7217960 |
Semiconductor device |
May. 15, 2007 |
| 7145180 |
Method of fabricating a light emitting device, and light emitting device |
Dec. 5, 2006 |
| 6570191 |
Surface-light-emitting device including AlGalnP and AlGaAs multi-film reflecting layers |
May. 27, 2003 |
| 6236065 |
Light-emitting diode array and method for fabricating the same |
May. 22, 2001 |
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