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Class Information
Number: 257/E31.047
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Characterized by semiconductor body (epo) > Characterized by semiconductor body crystalline structure or plane (epo) > Including amorphous semiconductor (epo)
Description: This subclass is indented under subclass E31.04. This subclass is substantially the same in scope as ECLA classification H01L31/0376.










Sub-classes under this class:

Class Number Class Name Patents
257/E31.048 Including only group iv element (epo) 85


Patents under this class:
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Patent Number Title Of Patent Date Issued
8679892 Method for manufacturing silicon thin-film solar cells Mar. 25, 2014
8628996 Uniformly distributed self-assembled cone-shaped pillars for high efficiency solar cells Jan. 14, 2014
8575713 Semiconductor device and display device Nov. 5, 2013
8415787 Integrated circuits having interconnects and heat dissipators based on nanostructures Apr. 9, 2013
8410354 Photoelectric conversion device and manufacturing method thereof Apr. 2, 2013
8389388 Photonic device and method of making the same Mar. 5, 2013
8349644 Mono-silicon solar cells Jan. 8, 2013
8344422 Semiconductor device Jan. 1, 2013
8330161 Electronic photosensitive body and manufacturing method for same, as well as image forming apparatus Dec. 11, 2012
8258596 Stacked photoelectric conversion device and method for producing the same Sep. 4, 2012
8241942 Method of fabricating a back-illuminated image sensor Aug. 14, 2012
8237166 Display Aug. 7, 2012
8198125 Method of making monolithic photovoltaic module on flexible substrate Jun. 12, 2012
8198629 Photoelectric conversion device and method for manufacturing the same Jun. 12, 2012
8183659 Integrated circuits having interconnects and heat dissipators based on nanostructures May. 22, 2012
8173483 Method of manufacturing solar cell May. 8, 2012
8173484 Method of fabricating solar cell using microwave and apparatus for the same May. 8, 2012
8148180 Techniques of forming Ohmic contacts on GaN light emitting diodes Apr. 3, 2012
8138499 Stacked photoelectric conversion device Mar. 20, 2012
8093590 Photoelectric conversion device Jan. 10, 2012
7973311 Isolated sensor structures such as for flexible substrates Jul. 5, 2011
7955890 Methods for forming an amorphous silicon film in display devices Jun. 7, 2011
7923357 Method for forming poly-silicon film Apr. 12, 2011
7915611 Photoelectric conversion device Mar. 29, 2011
7888167 Photoelectric conversion device and method for manufacturing the same Feb. 15, 2011
7791072 Display Sep. 7, 2010
7777291 Integrated circuits having interconnects and heat dissipators based on nanostructures Aug. 17, 2010
7741690 Photoelectric conversion device and photodetector apparatus having the same Jun. 22, 2010
7649201 Raised photodiode sensor to increase fill factor and quantum efficiency in scaled pixels Jan. 19, 2010
7582515 Multi-junction solar cells and methods and apparatuses for forming the same Sep. 1, 2009
7439544 Structure and manufacturing method of an image TFT array Oct. 21, 2008
7298024 Transparent amorphous carbon structure in semiconductor devices Nov. 20, 2007
7145172 Thin film transistor array substrate Dec. 5, 2006
7119368 Thin film transistor array panel and manufacturing method thereof Oct. 10, 2006
7038242 Amorphous semiconductor open base phototransistor array May. 2, 2006
6952022 Image sensor comprising thin film transistor optical sensor having offset region Oct. 4, 2005
6803080 Method of forming crystalline silicon film by CVD Oct. 12, 2004
6495817 Radiation detecting apparatus having an electrodeless region Dec. 17, 2002
6171643 Method of producing multilayer plate for x-ray imaging Jan. 9, 2001
5986285 Group III-V amorphous and microcrystalline optical semiconductor including hydrogen, and method of forming thereof Nov. 16, 1999
5888452 Hydrogenated amorphous silicon alloys Mar. 30, 1999
5880472 Multilayer plate for x-ray imaging and method of producing same Mar. 9, 1999
5610094 Photoelectric conversion device Mar. 11, 1997
5591987 Semiconductor MIS field effect transistor with semi-amorphous semiconductor material Jan. 7, 1997
5507881 Thin-film solar cell and method of manufacturing same Apr. 16, 1996
5140397 Amorphous silicon photoelectric device Aug. 18, 1992
5091334 Semiconductor device Feb. 25, 1992
4499331 Amorphous semiconductor and amorphous silicon photovoltaic device Feb. 12, 1985
4491682 Amorphous silicon photovoltaic device including a two-layer transparent electrode Jan. 1, 1985
4464415 Photoelectric conversion semiconductor manufacturing method Aug. 7, 1984

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