Patent application number | Description | Published |
20090101890 | Azaperylenes as organic semiconductors - A novel semiconductor device comprises an azaperylene organic semiconductor of the formula I (I) wherein each of R1, R2, R3 and R4 independently is selected from H, unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl, unsubstituted or substituted aryl, halogen, Si(RH) | 04-23-2009 |
20090105447 | Novel Polymers -
The present invention relates to polymers comprising a repeating unit of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent 5 solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs). | 04-23-2009 |
20090261321 | Quinoid Systems as Organic Semiconductors - A semiconducting layer comprising a non-polymeric quinoid heteroacene compound of the formula (I) wherein X stands for O, S or NR, each of R, R | 10-22-2009 |
20090309068 | NOVEL ELECTROLUMINESCENT POLYMERS FOR ELECTRONIC APPLICATIONS - The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R | 12-17-2009 |
20100108994 | ELECTROLUMINESCENT METAL COMPLEXES WITH BENZOTRIAZOLES - This invention relates to electroluminescent metal complexes with benzotriazoles of the formula (I), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts. | 05-06-2010 |
20100109514 | HETEROCYCLIC BRIDGED BIPHENYLS - The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or special characteristics of electroluminescent devices. | 05-06-2010 |
20100244014 | ELECTROLUMINESCENT METAL COMPLEXES WITH TRIAZOLES AND BENZOTRIAZOLES - This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula | 09-30-2010 |
20100249349 | Novel Polymers - The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs). | 09-30-2010 |
20100277060 | ELECTROLUMINESCENT DEVICE - The present invention relates to an electronic device, especially an electroluminescent devices, comprising a compound of Formula (I), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices. | 11-04-2010 |
20110004004 | PYRROLOPYRROLE DERIVATIVES, THEIR MANUFACTURE AND USE - The present invention relates to compounds of the formula (I) wherein the substituents are as defined in claim | 01-06-2011 |
20110089407 | ELECTROLUMINISCENT METAL COMPLEXES WITH DIBENZO[F,H] QUINOXALINES - This invention relates to electroluminescent metal complexes of the formula (I), or (II), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts. | 04-21-2011 |
20110114922 | Electroluminescent Metal Complexes with Nucleophilic Carbene Ligands - This invention relates to electroluminescent metal complexes of the formula (I), wherein the ring A, formula (II), represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, formula (III), represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, formula (IV), represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, formula (V), represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1, or 2, m2 is an integer 0, or 1, M | 05-19-2011 |
20110204351 | NOVEL DIKETOPYRROLOPYRROLE POLYMERS - The present invention relates to polymers comprising a repeating unit of the formula (I) | 08-25-2011 |
20110240981 | DIKETOPYRROLOPYRROLE POLYMERS FOR USE IN ORGANIC FIELD EFFECT TRANSISTORS - The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors. | 10-06-2011 |
20110315967 | Organic field effect transistor with improved current on/off ratio and controllable threshold shift - The present invention provides a semiconductor device, especially an organic field effect transistor, comprising a layer comprising a polymer comprising repeating units having a diketopyrrolopyrrole skeleton (DPP polymer) and an acceptor compound having an electron affinity in vacuum of 4.6 eV, or more. The doping of the DPP polymer with the acceptor compound leads to an organic field effect transistor with improved hole mobility, current on/off ratio and controllable threshold shift. | 12-29-2011 |
20130172575 | Pyrrolopyrrole derivatives, their manufacture and use - The present invention relates to compounds of the formula I | 07-04-2013 |
20130292660 | ELECTROLUMINESCENT METAL COMPLEXES WITH NUCLEOPHILIC CARBENE LIGANDS - This invention relates to electroluminescent metal complexes of the formula (I) | 11-07-2013 |
20150056746 | DIKETOPYRROLOPYRROLE POLYMERS FOR USE IN ORGANIC FIELD EFFECT TRANSISTORS - The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors. | 02-26-2015 |