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Carbazole

Carbazole-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Carbazole derivative, and light-emitting element, light-emitting device, and electronic device using the carbazole derivative
Semiconductor Energy Laboratory Co., Ltd.
January 11, 2018 - N°20180009751

To provide a light-emitting element having high luminous efficiency and to provide a light-emitting device and an electronic device which consumes low power and is driven at low voltage, a carbazole derivative represented by the general formula (1) is provided. In the formula, α1, α2, α3, and α4 each represent an arylene group having less than or ...
Materials for electronic devices
Merck Patent Gmbh
January 04, 2018 - N°20180006237

The present application relates to a compound which contains an indenocarbazole group, a particular arylamino group and an electron-deficient group bonded to the indenocarbazole group. The compound is suitable for use in electronic devices, in particular in organic electroluminescent devices.
Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
Merck Patent Gmbh
December 28, 2017 - N°20170373257

Any one of r1 to r9 in general formula (g1) is bonded to any one of r10 to r14 in general formula (g1-1). Note that n is any of 0 to 3; m is 1 or 2; a represents a single bond, or an arylene group; b represents a ring having a dibenzofuran skeleton, dibenzothiophene skeleton, or carbazole skeleton; and each of r1 ...
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Compound, mixture comprising the same, composition and organic electronic device
Guangzhou Chinaray Optoelectronic Materials Ltd.
December 21, 2017 - N°20170365789

Disclosed in the present invention is a deuterated indolocarbazole compound, mixture and formulation comprising the said compound, and an organic electronic device. For said deuterated indolocarbazole compound, in an indolocarbazole conjugated system, a c—h bonding is optionally replaced by a c-d bonding, thus reduces the reactivity of the compound and moreover allowing the superior chemical and environmental stability. ...
Carbazole derivatives
Bristol-myers Squibb Company
December 21, 2017 - N°20170362176

Disclosed are compounds of formula (i): (i) or a salt thereof, wherein q, r1a, r1b, r2a, r2b, r3, r4, r5a, r5b, r6a, r6c, r7a, r7b, r7c, and r7d are defined herein. Also disclosed are methods of using such compounds as inhibitors of bruton's tyrosine kinase (btk), and pharmaceutical ...
Organic electroluminescent device
Sfc Co., Ltd
December 14, 2017 - N°20170358753

The present invention provides an organic electroluminescent device having at least an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound having a specific structure, and the luminous layer contains an indenoindole derivative or a carbazole derivative having a specific structure. The ...
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Organic electroluminescent materials and devices
Universal Display Corporation
November 30, 2017 - N°20170346021

Organic compounds containing indolocarbazoles as electron donor connected with electron acceptors such aza-triphenylene or dibenzoquinoxaline that can improve the performance of phosphorescent organic light emitting devices are disclosed.
Polymerisable liquid crystal material and polymerised liquid crystal film
Universal Display Corporation
November 23, 2017 - N°20170335192

Wherein the parameter a11 to a21, l21, p, p11 to p22, r21, sp11 to sp21, x11 to x21, and z11 to z21 have one of the meanings as given in claim 1, and at least one carbazole oxime ester photoinitiator. Furthermore, a method for preparation of the polymerisable lc material, a polymer film with improved thermal durability obtainable from the corresponding ...
A novel combination of a host compound and a dopant compound and an organic electroluminescent ...
Rohm And Haas Electronic Materials Korea Ltd.
November 23, 2017 - N°20170335181

Disclosed herein are combinations of a dopant compound and a host compound. The dopant being an iridium complex and the host being a carbazole derivative. Also made known are electroluminescent devices comprising the same.
Photosensitive resin composition, photosensitive element, cured product, semiconductor device, method for forming resist pattern, and ...
Hitachi Chemical Company, Ltd.
November 16, 2017 - N°20170329220

A photosensitive resin composition comprises: a resin having a phenolic hydroxyl group; a photosensitive acid generator; a compound having at least one selected from the group consisting of an aromatic ring, a heterocycle and an alicycle, and at least one selected from the group consisting of a methylol group and an alkoxyalkyl group; an aliphatic compound having two or more ...
White-light hyperbranched conjugated polymer, method for preparing the same and it's use
Taiyuan University Of Technology
October 26, 2017 - N°20170309826

This application discloses a white-light hyperbranched conjugated polymer, a method for preparing the same and its use. The polymer uses a red phosphorescent ir(iii) complex as a core and polyfluorene derivative blue fluorescent materials as a framework which either contains or does not contain carbazole derivatives, and the white light hyperbranched polymers realize white-light emission by adjusting the content ...
Light-emitting element and electronic device
Semiconductor Energy Laboratory Co., Ltd.
October 05, 2017 - N°20170288153

An object is to provide a light-emitting element with high emission efficiency which includes a novel carbazole derivative that has a wide energy gap and can be used for a transport layer or a host material in a light-emitting element. A carbazole derivative in which the 4-position of dibenzothiophene or dibenzofuran is bonded to the 2- or 3-position of carbazole ...
Substituted tetrahydrocarbazole and carbazole carboxamide compounds
Semiconductor Energy Laboratory Co., Ltd.
October 05, 2017 - N°20170283438

R1 is f, cl, —cn, or —ch3; r2 is cl or —ch3; r3 is —c(ch3)2oh or —ch2ch2oh; ra is h or —ch3; each rb is independently f, cl, —ch3, and/or —och3; and n is zero, 1, or 2. Also disclosed are methods of using such compounds as inhibitors of ...
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Organic electroluminescent materials and devices
Universal Display Corporation
September 21, 2017 - N°20170271598

A dual host system for oleds that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the oleds is disclosed.
Crystalline forms of parp inhibitors
Cephalon, Inc.
September 21, 2017 - N°20170267683

The present disclosure relates to crystalline forms of 4,5,6,7-tetrahydro-11-methoxy-2-[(4-methyl-1-piperazinyl)methyl]-1h-cyclopenta[a]pyrrolo[3,4-c]carbazole-1,3(2h)-dione, including salts forms and free base forms.
Organic electroluminescent element
Nippon Steel & Sumikin Chemical Co., Ltd.
September 14, 2017 - N°20170263869

Provided is a homogeneous organic el device having a low driving voltage, high luminous efficiency, and a long lifetime. The device is an organic electroluminescent device including a light-emitting layer between an anode and a cathode opposite to each other, in which: the light-emitting layer contains a host material and a light-emitting dopant material; the host material is a material ...
Organic semiconductor polymer
Nippon Steel & Sumikin Chemical Co., Ltd.
September 14, 2017 - N°20170260324

The organic semiconductor polymers relates to the synthesis of a carbazole-based ladder polymer. The synthesis of the ladder polymer includes forming a precursor conjugated polymer by suzuki step growth polymerization of 2,7-dibromocarbazole with 1,4-dibromo-2,5-divinylbenzene, followed by end capping with 2-bromostyrene and 2-vinyl-phenylboronic acid. Then, the pendent vinyl groups are closed by ring-closing olefin metathesis to obtain the ladder polymer.
Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
Semiconductor Energy Laboratory Co., Ltd.
August 31, 2017 - N°20170250346

A novel compound in which a delayed fluorescence component due to tta accounts for a high proportion of emissive components is provided. The organic compound includes an anthracene skeleton, an arylene group, and a substituted or unsubstituted heterocyclic group including a carbazole skeleton. The anthracene skeleton and the substituted or unsubstituted heterocyclic group including the carbazole skeleton are bonded to ...
Organic electroluminescent transistor
Flexterra, Inc.
August 17, 2017 - N°20170237042

The present teachings relate to an organic electroluminescent transistor with improved light-emission characteristics. More specifically, the present organic electroluminescent transistor has an emissive ambipolar channel including at least one layer of an n-type semiconductor material, at least one layer of a p-type semiconductor material, and at least one layer of an emissive material arranged between the layers of the p-type ...
Materials for organic electroluminescent devices
Merck Patent Gmbh
August 17, 2017 - N°20170237017

The present invention relates to electron-deficient heteroaromatic compounds which are substituted by dibenzofuran or dibenzothiophene derivatives and by carbazoles or amines, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.
Organic electroluminescent materials and devices
Universal Display Corporation
August 17, 2017 - N°20170237014

Devices containing novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds can exhibit delayed fluorescence in the devices.
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