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Class Information
Number: 257/E33.041
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) > Characterized by doping material (epo)
Description: This subclass is indented under subclass E33.037. This subclass is substantially the same in scope as ECLA classification H01L33/00C4F5.










Patents under this class:

Patent Number Title Of Patent Date Issued
8436351 ZnO-containing semiconductor layer and ZnO-containing semiconductor light emitting device May. 7, 2013
8330174 LED having current spreading layer Dec. 11, 2012
7968905 ZnO-containing semiconductor layer and ZnO-containing semiconductor light emitting device Jun. 28, 2011
7897993 GaN based luminescent device on a metal substrate Mar. 1, 2011
7723735 Display device and a method of manufacturing the same May. 25, 2010
7157340 Method of fabrication of semiconductor device Jan. 2, 2007
6483861 Silicon thin film structure for optoelectronic devices and method for fabricating the same Nov. 19, 2002
5250814 Semiconductor light-emitting devices Oct. 5, 1993
4004342 Fabrication of ion implanted P-N junction devices Jan. 25, 1977











 
 
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