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Class Information
Number: 257/E51.029
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Organic solid state devices, processes or apparatus peculiar to manufacture or treatment of such devices or of parts thereof > Selection of material for organic solid-state device (epo) > Organic polymer or oligomer (epo) > Comprising aromatic, heteroaromatic, or arrylic chains (e.g., polyaniline, polyphenylene, polyphenylene vinylene) (epo) > Heteroaromatic compound comprising sulfur or selene (e.g., polythiophene) (epo)
Description: This subclass is indented under subclass E51.028. This subclass is substantially the same in scope as ECLA classification H01L51/30D2B.

Sub-classes under this class:

Class Number Class Name Patents
257/E51.03 Polyethylene dioxythiophene and derivative (epo) 137

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

Patent Number Title Of Patent Date Issued
6300612 Image sensors made from organic semiconductors Oct. 9, 2001
6278127 Article comprising an organic thin film transistor adapted for biasing to form a N-type or a P-type transistor Aug. 21, 2001
6268072 Electroluminescent devices having phenylanthracene-based polymers Jul. 31, 2001
6264805 Method of fabricating transparent contacts for organic devices Jul. 24, 2001
6265243 Process for fabricating organic circuits Jul. 24, 2001
6249271 Retroreflective electrophoretic displays and materials for making the same Jun. 19, 2001
6235414 Color variable bipolar/AC light-emitting devices May. 22, 2001
6232157 Thin film transistors May. 15, 2001
6215130 Thin film transistors Apr. 10, 2001
6204515 Semiconducting polymer field effect transistor Mar. 20, 2001
6197663 Process for fabricating integrated circuit devices having thin film transistors Mar. 6, 2001
6166172 Method of forming poly-(3-substituted) thiophenes Dec. 26, 2000
6160267 Vapochromic led Dec. 12, 2000
6150668 Thin-film transistor monolithically integrated with an organic light-emitting diode Nov. 21, 2000
6137118 Vapochromic photodiode Oct. 24, 2000
6117567 Device for producing voltage controlled color with electroluminescence, and method of making the same Sep. 12, 2000
6107117 Method of making an organic thin film transistor Aug. 22, 2000
6083635 Conductive coatings Jul. 4, 2000
6066357 Methods of making a full-color organic light-emitting display May. 23, 2000
6060333 Method of making a liquid crystal display including a field effect transistor May. 9, 2000
6060338 Method of making a field effect transistor May. 9, 2000
6030700 Organic light emitting devices Feb. 29, 2000
6025462 Reflective and conductive star polymers Feb. 15, 2000
6008578 Full-color organic electroluminescent device with spaced apart fluorescent areas Dec. 28, 1999
5998045 Polymeric light-emitting device Dec. 7, 1999
5959070 Rigid rod and ladder polymers; a process for making said polymers; a process of producing light using said polymers; and light emitting devices employing said polymers Sep. 28, 1999
5955834 Light emitting devices utilizing high work function electrodes Sep. 21, 1999
5932363 Electroluminescent devices Aug. 3, 1999
5892244 Field effect transistor including .pi.conjugate polymer and liquid crystal display including the field effect transistor Apr. 6, 1999
5854139 Organic field-effect transistor and production thereof Dec. 29, 1998
5834100 Organic light-emitting dioddes and methods for assembly and emission control Nov. 10, 1998
5814833 Conjugated polymer exciplexes and applications thereof Sep. 29, 1998
5777070 Process for preparing conjugated polymers Jul. 7, 1998
5766515 Conductive coatings Jun. 16, 1998
5757026 Multicolor organic light emitting devices May. 26, 1998
5741921 Conjugated polymers containing hetero-spiro atoms and their use as electroluminescence materials Apr. 21, 1998
5726282 Light emitting diode Mar. 10, 1998
5721160 Multicolor organic light emitting devices Feb. 24, 1998
5707745 Multicolor organic light emitting devices Jan. 13, 1998
5705826 Field-effect transistor having a semiconductor layer made of an organic compound Jan. 6, 1998
5703436 Transparent contacts for organic devices Dec. 30, 1997
5672678 Semiconductive copolymers for use in luminescent devices Sep. 30, 1997
5659181 Article comprising .alpha.-hexathienyl Aug. 19, 1997
5625199 Article comprising complementary circuit with inorganic n-channel and organic p-channel thin film transistors Apr. 29, 1997
5621131 Conjugated polymers having spiro centers and their use as electroluminescence materials Apr. 15, 1997
5612228 Method of making CMOS with organic and inorganic semiconducting region Mar. 18, 1997
5599899 Rigid rod and ladder polymers and process for making same Feb. 4, 1997
5589692 Sub-nanoscale electronic systems and devices Dec. 31, 1996
5574291 Article comprising a thin film transistor with low conductivity organic layer Nov. 12, 1996
5563424 Polymer grid triodes Oct. 8, 1996

1 2 3 4 5 6 7

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