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Class Information
Number: 257/49
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Non-single crystal, or recrystallized, semiconductor material forms part of active junction (including field-induced active junction)
Description: Subject matter wherein there is an active junction (e.g., a junction between dissimilar materials, or a junction induced by an applied electric field, which exhibits non-linear current-voltage characteristics) and at least part of the active junction is formed by a semiconductor material in polycrystalline or amorphous form.

Sub-classes under this class:

Class Number Class Name Patents
257/52 Amorphous semiconductor material 374
257/66 Field effect device in non-single crystal, or recrystallized, semiconductor material 1,442
257/50 Non-single crystal, or recrystallized, active junction adapted to be electrically shorted (e.g., "anti-fuse" element) 339
257/65 Non-single crystal, or recrystallized, material containing non-dopant additive, or alloy of semiconductor materials (e.g., ge x si 1- x, polycrystalline silicon with dangling bond modifier) 315
257/51 Non-single crystal, or recrystallized, material forms active junction with single crystal material (e.g., monocrystal to polycrystal pn junction or heterojunction) 238
257/64 Non-single crystal, or recrystallized, material with specified crystal structure (e.g., specified crystal size or orientation) 407
257/74 Plural recrystallized semiconductor layers (e.g., "3-dimensional integrated circuit") 176
257/75 Recrystallized semiconductor material 242
257/73 Schottky barrier to polycrystalline semiconductor material 87

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

Patent Number Title Of Patent Date Issued
8704227 Light emitting diode and fabrication method thereof Apr. 22, 2014
8680522 Oxide semiconductor film and semiconductor device Mar. 25, 2014
8673709 FinFETs with multiple fin heights Mar. 18, 2014
8664657 Electrical circuit with a nanostructure and method for producing a contact connection of a nanostructure Mar. 4, 2014
8659019 Semiconductor device Feb. 25, 2014
8653595 Semiconductor device and method of manufacturing the same Feb. 18, 2014
8653519 Electronic device and method for manufacturing same Feb. 18, 2014
8647934 Thin film transistor and fabricating method thereof Feb. 11, 2014
8648342 Waveguide-integrated graphene photodetectors Feb. 11, 2014
8642370 Cavity open process to improve undercut Feb. 4, 2014
8633483 Recrystallization of semiconductor wafers in a thin film capsule and related processes Jan. 21, 2014
8633484 Organic light emitting display and method of fabricating the same Jan. 21, 2014
8624321 Thin film transistor including a microcrystalline semiconductor layer and amorphous semiconductor layer and display device including the same Jan. 7, 2014
8604579 Semiconductor device, and method for manufacturing same Dec. 10, 2013
8575031 Method of forming a fine pattern, display substrate, and method of manufacturing the same using the method of forming a fine pattern Nov. 5, 2013
8563981 Semiconductor device Oct. 22, 2013
8558230 Thin film transistor substrate and method of fabricating the same Oct. 15, 2013
8507914 Method of fabricating polysilicon, thin film transistor, method of fabricating the thin film transistor, and organic light emitting diode display device including the thin film transistor Aug. 13, 2013
8492770 Thin film transistor and method of manufacturing the same Jul. 23, 2013
8486745 Multi-terminal phase change devices Jul. 16, 2013
8476630 Methods of adding pads and one or more interconnect layers to the passivated topside of a wafer including connections to at least a portion of the integrated circuit pads thereon Jul. 2, 2013
8466444 Three-terminal cascade switch for controlling static power consumption in integrated circuits Jun. 18, 2013
8420513 Method of fabricating thin film transistor Apr. 16, 2013
8404597 Device and method for stopping an etching process Mar. 26, 2013
8395162 Semiconductor device with multi-layer gate electrode Mar. 12, 2013
8386883 Lengthening life of a limited life memory Feb. 26, 2013
8383495 Semiconductor layer structure and method for fabricating a semiconductor layer structure Feb. 26, 2013
8362479 Semiconductor material Jan. 29, 2013
8334534 Sensor and method for the manufacture thereof Dec. 18, 2012
8319214 Thin film field effect transistor with amorphous oxide active layer and display using the same Nov. 27, 2012
8314428 Thin film transistor with LDD/offset structure Nov. 20, 2012
8309958 Semiconductor memory device and method of manufacturing same Nov. 13, 2012
8305311 Organic light emitting diode display and method for manufacturing the same Nov. 6, 2012
8304860 Epitaxially coated silicon wafer and method for producing an epitaxially coated silicon wafer Nov. 6, 2012
8273638 Thin film transistor using a metal induced crystallization process and method for fabricating the same and active matrix flat panel display using the thin film transistor Sep. 25, 2012
8269211 Organic electronic device with an organic semiconductor layer Sep. 18, 2012
8263977 TFT substrate and TFT substrate manufacturing method Sep. 11, 2012
8243222 Array substrate for liquid crystal display device and method of manufacturing the same Aug. 14, 2012
8236603 Polycrystalline semiconductor layers and methods for forming the same Aug. 7, 2012
8203151 Semiconductor device and method for fabricating the same Jun. 19, 2012
8193594 Two-terminal switching devices and their methods of fabrication Jun. 5, 2012
8188948 Organic light emitting diode display and method for manufacturing the same May. 29, 2012
8183551 Multi-terminal phase change devices May. 22, 2012
8183570 Thin film transistor array panel May. 22, 2012
8183122 Semiconductor device including semiconductor thin film, which is subjected to heat treatment to have alignment mark, crystallizing method for the semiconductor thin film, and crystallizing app May. 22, 2012
8178409 Semiconductor device with alternately arranged P-type and N-type thin semiconductor layers and method for manufacturing the same May. 15, 2012
8178380 Method for selectively establishing an electrical connection in a multi-terminal phase change device May. 15, 2012
8168971 Pseudomorphic Si/SiGe/Si body device with embedded SiGe source/drain May. 1, 2012
8168518 Method for crystallizing thin film, method for manufacturing thin film semiconductor device, method for manufacturing electronic apparatus, and method for manufacturing display device May. 1, 2012
8164080 Diode structures and resistive random access memory devices having the same Apr. 24, 2012

1 2 3 4 5 6 7

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