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Class Information
Number: 257/E51.049
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) > Macromolecular system with low molecular weight (e.g., cyanine dyes, coumarine dyes, tetrathiafulvalene) (epo) > Polycondensed aromatic or heteroaromatic compound (e.g., pyrene, perylene, pentacene) (epo)
Description: This subclass is indented under subclass E51.047. This subclass is substantially the same in scope as ECLA classification H01L51/30H4.










Sub-classes under this class:

Class Number Class Name Patents
257/E51.05 Aromatic compound containing heteroatom (e.g., perylenetetracarboxylic dianhydride, perylene tetracarboxylic diimide) (epo) 299


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8703302 Indolocarbazole derivative with aromatic phosphne oxide group for organic electroluminescent device and organic electroluminescent device containing same Apr. 22, 2014
RE44824 Pyrene derivatives and organic electronic device using pyrene derivatives Apr. 8, 2014
8614357 Oligomeric derivatives of spirobifluorene, their preparation and use Dec. 24, 2013
8610345 Light-emitting device material and light-emitting device Dec. 17, 2013
8465851 Materials and structures for enhancing the performance of organic light emitting devices Jun. 18, 2013
8455311 Solid state klystron Jun. 4, 2013
8426036 Organic EL device and anthracene derivative Apr. 23, 2013
8395143 Compound and organic light emitting device using the same Mar. 12, 2013
8330153 Organic light-emitting device Dec. 11, 2012
8330350 Organic electroluminescence device and material for organic electroluminescence device Dec. 11, 2012
8278819 Organic electroluminescence device and display Oct. 2, 2012
8277955 Compound for organic EL device and organic EL device Oct. 2, 2012
8216697 OLED with fluoranthene-macrocyclic materials Jul. 10, 2012
8217570 Anthracene derivative and organic electroluminescent element using the same Jul. 10, 2012
8188462 Spirobifluorene derivatives, their preparation and uses thereof May. 29, 2012
8154195 Organic electroluminescence device and material for organic electroluminescence device Apr. 10, 2012
8115378 Tetra-substituted chrysenes for luminescent applications Feb. 14, 2012
8110824 Benzo[a]fluoranthene compound and organic light emitting device using the same Feb. 7, 2012
8105700 Materials and structures for enhancing the performance of organic light emitting devices Jan. 31, 2012
8106392 Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative Jan. 31, 2012
8053769 Organic transistor inverter Nov. 8, 2011
8049208 Organic semiconductor device having composite electrode Nov. 1, 2011
8026664 Compound and organic light emitting device Sep. 27, 2011
8026663 Triphenylene compounds, method of manufacturing the same and organic electroluminescent devices employing the same Sep. 27, 2011
8021915 Field effect transistor, method of producing the same, and method of producing laminated member Sep. 20, 2011
7973306 Anthracene derivatives, organic electronic devices using anthracene derivatives, and electronic apparatuses comprising organic electronic device Jul. 5, 2011
7952269 Organic light-emitting device May. 31, 2011
7935960 Polyacene and semiconductor formulation May. 3, 2011
7906225 Synthesis of phenyl-substituted fluoranthenes by a diesel-alder and the use thereof Mar. 15, 2011
7906228 Compounds for electronic material and organic electronic device using the same Mar. 15, 2011
7888863 Organic electroluminescent compounds and organic electroluminescent device using the same Feb. 15, 2011
7879463 Dimethylenecyclohexane compound, method of preparing the same and organic light emitting device comprising the dimethylenecyclohexane compound Feb. 1, 2011
7862907 Dimethylenecyclohexane compound, method of preparing the same and organic light emitting device comprising the same Jan. 4, 2011
7858211 Organic electroluminescent device Dec. 28, 2010
7854998 Organic EL devices Dec. 21, 2010
7851071 Nitrogen-containing heterocycle derivative and organic electroluminescent element using the same Dec. 14, 2010
7842945 Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative Nov. 30, 2010
7839076 Organic electroluminescent device Nov. 23, 2010
7816172 Organic thin-film transistor and fabrication method thereof and organic thin-film device Oct. 19, 2010
7800102 Organic thin film transistor including a self-assembly monolayer between an insulating layer and an organic semiconductor layer and flat panel display comprising the same Sep. 21, 2010
7795801 Organic electroluminescent element, illuminator, display and compound Sep. 14, 2010
7754526 Method for making thin film transistor Jul. 13, 2010
7745819 Pyrene derivatives and organic electronic device using pyrene derivatives Jun. 29, 2010
7737627 Fluorene-based compound and organic electroluminescent display device using the same Jun. 15, 2010
7733012 Light-emitting device and aromatic compound Jun. 8, 2010
7733009 Electroluminescent device including an anthracene derivative Jun. 8, 2010
7718997 Tetrasubstituted coronenes May. 18, 2010
7714323 Organic thin film comprising pyrene derivatives May. 11, 2010
7709104 Aminoanthryl derivative-substituted pyrene compound and organic light-emitting device May. 4, 2010
7692184 Substrate with organic thin film, and transistor using same Apr. 6, 2010

1 2 3 4 5 6 7 8 9 10










 
 
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