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Class Information
Number: 257/E29.273
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Unipolar device (epo) > Field-effect transistor (epo) > With field effect produced by insulated gate (epo) > Thin-film transistor (epo)
Description: This subclass is indented under subclass E29.255. This subclass is substantially the same in scope as ECLA classification H01L29/786.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.295 Characterized by insulating substrate or support (epo) 323
257/E29.299 Characterized by property or structure of channel or contact thereto (epo) 768
257/E29.296 Comprising group iii-v or ii-vi compound, or of se, te, or oxide semiconductor (epo) 235
257/E29.297 Comprising group iv non-si semiconductor materials or alloys (e.g., ge, sin alloy, sic alloy) (epo) 202
257/E29.285 Silicon transistor (epo) 33
257/E29.274 Vertical transistor (epo) 208
257/E29.275 With multiple gates (epo) 719
257/E29.276 With supplementary region or layer in thin film or in insulated bulk substrate supporting it for controlling or increasing voltage resistance of device (epo) 87


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7368751 Method of manufacturing an electronic device comprising a thin film transistor May. 6, 2008
7368333 Semiconductor device and method of manufacturing the same by using atomic layer deposition May. 6, 2008
7351602 Process for producing a thin film with MEMS probe circuits Apr. 1, 2008
7351618 Method of manufacturing thin film transistor substrate Apr. 1, 2008
7317227 Method for forming pattern of stacked film Jan. 8, 2008
7294854 Thin film transistor array panel and liquid crystal display including the panel Nov. 13, 2007
7282398 Crystalline semiconductor thin film, method of fabricating the same, semiconductor device and method of fabricating the same Oct. 16, 2007
7276730 Semiconductor device having a pixel matrix circuit that includes a pixel TFT and a storage capacitor Oct. 2, 2007
7271412 Active matrix organic light emitting device having series thin film transistor, and fabrication method therefor Sep. 18, 2007
7230306 Microelectromechanical thin-film device Jun. 12, 2007
7205610 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit Apr. 17, 2007
7205571 Thin film transistor substrate for display device and fabricating method thereof Apr. 17, 2007
7205171 Thin film transistor and manufacturing method thereof including a lightly doped channel Apr. 17, 2007
7187005 Flat panel display with thin film transistor Mar. 6, 2007
7176488 Thin film transistor with protective cap over flexible substrate, electronic device using the same, and manufacturing method thereof Feb. 13, 2007
7129521 Semiconductor device and manufacture method thereof Oct. 31, 2006
7102168 Thin film transistor array panel for display and manufacturing method thereof Sep. 5, 2006
7075501 Head mounted display system Jul. 11, 2006
6998656 Transparent double-injection field-effect transistor Feb. 14, 2006
6972434 Substrate for display, method of manufacturing the same and display having the same Dec. 6, 2005
6919935 Method of forming an active matrix display Jul. 19, 2005
6809379 Field effect transistor and method for producing a field effect transistor Oct. 26, 2004
6636185 Head-mounted display system Oct. 21, 2003
6627953 High density electronic circuit modules Sep. 30, 2003
6608352 Determination of thermal resistance for field effect transistor formed in SOI technology Aug. 19, 2003
6593978 Method for manufacturing active matrix liquid crystal displays Jul. 15, 2003
6521940 High density electronic circuit modules Feb. 18, 2003
6486929 Bonded layer semiconductor device Nov. 26, 2002
6424020 High Density electronic circuit modules Jul. 23, 2002
6423604 Determination of thermal resistance for field effect transistor formed in SOI technology Jul. 23, 2002
6414783 Method of transferring semiconductors Jul. 2, 2002
6380009 Method of manufacturing thin film transistors Apr. 30, 2002
6320568 Control system for display panels Nov. 20, 2001
6317175 Single crystal silicon arrayed devices with optical shield between transistor and substrate Nov. 13, 2001
6232136 Method of transferring semiconductors May. 15, 2001
6143582 High density electronic circuit modules Nov. 7, 2000
6140980 Head-mounted display system Oct. 31, 2000
6121950 Control system for display panels Sep. 19, 2000
6072445 Head mounted color display system Jun. 6, 2000
5917210 Flat panel imaging device Jun. 29, 1999
5861929 Active matrix color display with multiple cells and connection through substrate Jan. 19, 1999
5830785 Direct multilevel thin-film transistors production method Nov. 3, 1998
5757445 Single crystal silicon tiles for display panels May. 26, 1998
5751261 Control system for display panels May. 12, 1998
5743614 Housing assembly for a matrix display Apr. 28, 1998
5736768 Single crystal silicon arrayed devices for display panels Apr. 7, 1998
5713652 Slide projector mountable light valve display Feb. 3, 1998
5710451 High-voltage lateral MOSFET SOI device having a semiconductor linkup region Jan. 20, 1998
5702963 Method of forming high density electronic circuit modules Dec. 30, 1997
5686326 Method of making thin film transistor Nov. 11, 1997

1 2 3 4 5 6 7 8










 
 
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