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Class Information
Number: 257/E33.019
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 ii-vi compound (epo)
Description: This subclass is indented under subclass E33.013. This subclass is substantially the same in scope as ECLA classification H01L33/00C4C.

Sub-classes under this class:

Class Number Class Name Patents
257/E33.022 Characterized by doping material (epo) 65
257/E33.02 Ternary or quaternary compound (e.g., cdhgte) (epo) 26

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8592810 Thin film, method of forming the same, and semiconductor light-emitting element comprising the thin film Nov. 26, 2013
8552434 Semiconductor device and method for manufacturing the same Oct. 8, 2013
8546182 Semiconductor device and method for manufacturing the same Oct. 1, 2013
8530272 Method for growing zinc-oxide-based semiconductor device and method for manufacturing semiconductor light emitting device Sep. 10, 2013
8502219 Method for growing zinc-oxide-based semiconductor device and method for manufacturing semiconductor light emitting device Aug. 6, 2013
8436349 Thin-film transistor fabrication process and display device May. 7, 2013
8399274 Organic light emitting display and method of manufacturing the same Mar. 19, 2013
8395141 Compound semiconductors Mar. 12, 2013
8389310 Method for manufacturing oxide thin film transistor and method for manufacturing display device Mar. 5, 2013
8357922 Nanodevice, transistor comprising the nanodevice, method for manufacturing the nanodevice, and method for manufacturing the transistor Jan. 22, 2013
8344387 Semiconductor device and method for manufacturing the same Jan. 1, 2013
8334542 Light emitting diode and manufacturing method thereof Dec. 18, 2012
8232121 Zinc oxide-based semiconductor device and method for producing same Jul. 31, 2012
8212247 Organic light emitting display device and fabricating method thereof Jul. 3, 2012
8148731 Films and structures for metal oxide semiconductor light emitting devices and methods Apr. 3, 2012
8124969 Semiconductor light emitting element and method for manufacturing the same Feb. 28, 2012
8106400 Semiconductor device and method for manufacturing the same Jan. 31, 2012
8097885 Compound semiconductor film, light emitting film, and manufacturing method thereof Jan. 17, 2012
8097879 Light emitting diode and method for manufacturing the same Jan. 17, 2012
8030195 TFT substrate and method for manufacturing TFT substrate Oct. 4, 2011
7982228 Semiconductor color-tunable broadband light sources and full-color microdisplays Jul. 19, 2011
7982215 TFT substrate and method for manufacturing TFT substrate Jul. 19, 2011
7964868 Semiconductor light-emitting device and method of manufacturing the same Jun. 21, 2011
7821019 Triple heterostructure incorporating a strained zinc oxide layer for emitting light at high temperatures Oct. 26, 2010
7755098 Zinc oxide light emitting diode Jul. 13, 2010
7745345 ZnO based semiconductor device manufacture method Jun. 29, 2010
7645688 Method of growing non-polar m-plane nitride semiconductor Jan. 12, 2010
7629608 Light-emitting element, display device, and electronic appliance Dec. 8, 2009
7612432 P-type ZnS based semiconductor material having a low resistance due to its high copper content Nov. 3, 2009
7560749 Light emitting material, light emitting device, and electronic device Jul. 14, 2009
7541250 Method for forming a self-aligned twin well region with simplified processing Jun. 2, 2009
7485488 Biomimetic approach to low-cost fabrication of complex nanostructures of metal oxides by natural oxidation at low-temperature Feb. 3, 2009
7482618 ZnO group epitaxial semiconductor device and its manufacture Jan. 27, 2009
7176054 Method of forming a p-type group II-VI semiconductor crystal layer on a substrate Feb. 13, 2007
7064346 Transistor and semiconductor device Jun. 20, 2006
7060243 Tellurium-containing nanocrystalline materials Jun. 13, 2006
7033435 Process for preparing p-n junctions having a p-type ZnO film Apr. 25, 2006
6861155 Highly luminescent color selective nanocrystalline materials Mar. 1, 2005
6838816 Light emitting diode with nanoparticles Jan. 4, 2005
6815064 Luminescent nanoparticles and methods for their preparation Nov. 9, 2004
6737293 Manufacturing of a thin film inorganic light emitting diode May. 18, 2004
6727522 Transistor and semiconductor device Apr. 27, 2004
6724141 Particular type of a thin layer inorganic light emitting device Apr. 20, 2004
6706551 Thin film inorganic light emitting diode Mar. 16, 2004
6699371 Fabrication method of blue light emitting ZnO thin film phosphor Mar. 2, 2004
6642547 Light emitting device Nov. 4, 2003
6610141 Zinc oxide films containing p-type dopant and process for preparing same Aug. 26, 2003
6607829 Tellurium-containing nanocrystalline materials Aug. 19, 2003
6602731 Manufacturing of a thin inorganic light emitting diode Aug. 5, 2003
6589362 Zinc oxide semiconductor member formed on silicon substrate Jul. 8, 2003

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