For Radiation-sensitive Or Light-emitting Organic Solid-state Device With Potential Or Surface Barrier (epo) Patents (Class 257/E51.026)
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Publication number: 20130056072Abstract: Disclosed herein are a 3,6-carbazole-containing copolymer, an organic solar cell comprising the copolymer in an organic material layer including a photoactive layer, and a method for fabricating the organic solar cell.Type: ApplicationFiled: August 3, 2012Publication date: March 7, 2013Applicant: LG CHEM, LTD.Inventors: Taiho Park, Gang-Young Lee, Minjeong Im, Seulki Song, Jinseok Kim, Jaechol Lee, Hangken Lee, Songrim Jang, Keun Cho
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Publication number: 20130056722Abstract: A novel organic compound is suitable for emitting green light. An organic light-emitting device includes the novel organic compound.Type: ApplicationFiled: May 11, 2011Publication date: March 7, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Yosuke Nishide, Jun Kamatani, Akihito Saitoh
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Publication number: 20130056716Abstract: This invention provides a transition metal carbene complexes and the electroluminescent application thereof. Through employing different N?N heteroleptic ligand, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N?N heteroleptic ligand in the transition metal carbene complex.Type: ApplicationFiled: September 5, 2012Publication date: March 7, 2013Applicant: National Tsing Hua UniversityInventors: CHIEN-HONG CHENG, Kun-Yi Lu, Yu-Han Ou Yang, Cheng-Han Hsieh
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Patent number: 8389986Abstract: A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below:Type: GrantFiled: April 1, 2011Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hee-Yeon Kim, Seung-Gak Yang, Jeoung-In Yi, Jae-Yong Lee, Yoon-Hyun Kwak
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Patent number: 8389131Abstract: Provided is an organic electroluminescent device (organic EL device), in which the luminous efficiency of the device is improved, driving stability is sufficiently ensured, and the construction of the device is simple. This organic EL device is an organic electroluminescent device, including a light-emitting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound as a host material. Examples of the indolocarbazole compound include a compound represented by the following formula (1).Type: GrantFiled: March 24, 2010Date of Patent: March 5, 2013Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Takahiro Kai, Masaki Komori, Toshihiro Yamamoto, Megumi Matsumoto
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Publication number: 20130048966Abstract: An organic light emitting element which realizes a high efficiency and a long light emission life is provided. An organic compound represented by the general formula [1] described in claim 1 is provided. In the formula [1], R1 to R22 are each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group.Type: ApplicationFiled: August 21, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Takayuki Horiuchi, Jun Kamatani, Akihito Saitoh
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Publication number: 20130048970Abstract: A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the anode side, and the second light-emitting layer is a light-emitting layer having a hole trapping property.Type: ApplicationFiled: August 27, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Yojiro Matsuda
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Publication number: 20130048963Abstract: Novel phosphorescent tetradentate platinum (II) compounds are provided. The compounds contain an isoimidazole moiety, optionally further substituted with a twisted aryl. These compounds may be advantageously used in OLEDs.Type: ApplicationFiled: August 13, 2012Publication date: February 28, 2013Applicant: Universal Display CorporationInventors: Scott Beers, Chuanjun Xia, Jason Brooks, Gregg Kottas
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Publication number: 20130048943Abstract: There are provided an organic light emitting diode and a fabrication method thereof. The organic light emitting diode includes: an anode formed on a substrate; a thin film layer formed on the anode and including graphene; a light emitting polymer layer formed on the thin film layer; and a cathode formed on the light emitting polymer layer. Heat generated from the device can be effectively dissipated, stability of the device can be enhanced, and a life span of the device can be extended.Type: ApplicationFiled: August 13, 2012Publication date: February 28, 2013Inventors: Kwang Jik Lee, Suk Jin Ham, Ji Hyuk Lim
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Publication number: 20130048975Abstract: The present invention relates to a material for an organic electroluminescent device, including a phenanthrocarbazole-based compound having a specific structure, and an organic electroluminescent device including the same. More specifically, the phenanthrocarbazole-based compound is applied as a material for a phosphorescent and fluorescent organic electroluminescent device, thereby providing an organic light emitting device with improved light emitting efficiency, luminance, thermal stability, driving voltage, lifetime and the like.Type: ApplicationFiled: May 6, 2011Publication date: February 28, 2013Applicant: Doosan CorporationInventors: Jin-Seok Hong, Eun Jung Lee, Shin Han Kim, Kyoung-Soo Kim
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Publication number: 20130048960Abstract: A photoelectric conversion substrate includes: plural pixels, each provided with a sensor portion and a switching element that are formed on the substrate, the sensor portion including a photoelectric conversion element that generates charge according to illuminated light, and the switching element reading the charge from the sensor portion; a flattening layer that flattens the surface of the substrate having the switching elements and the sensor portions formed thereon; and a conducting member formed over the whole face of the flattening layer, the conducting member being connected to a bias power source that generates a bias voltage that is applied to the photoelectric conversion elements or to ground.Type: ApplicationFiled: July 30, 2012Publication date: February 28, 2013Applicant: FUJIFILM CORPORATIONInventors: Naoyuki NISHINO, Keiichiro SATO, Yasunori OHTA, Haruyasu NAKATSUGAWA
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Publication number: 20130048964Abstract: A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to ?3.5 eV and less than or equal to ?2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.Type: ApplicationFiled: August 21, 2012Publication date: February 28, 2013Inventors: Kyoko Takeda, Harue Osaka, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo, Hiromi Seo
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Publication number: 20130048968Abstract: A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the cathode side, and the first light-emitting layer is a light-emitting layer having an electron trapping property.Type: ApplicationFiled: August 27, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Itaru Takaya
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Publication number: 20130048958Abstract: A quinacridone derivative may be represented by Chemical Formula 1, and a photoactive layer and photoelectric conversion device may include the same.Type: ApplicationFiled: June 25, 2012Publication date: February 28, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seon-Jeong Lim, Kyu Sik Kim, Kwang Hee Lee, Dong-Seok Leem, Kyung Bae Park
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Publication number: 20130048969Abstract: A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the cathode side, and the first light-emitting layer contains a host material and an assist dopant material to transport holes to the second light-emitting layer.Type: ApplicationFiled: August 27, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Shoji Sudo
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Publication number: 20130048965Abstract: A condensed polycyclic compound which emits green light and which has a high chemical stability and an organic light emitting element including the same are provided. A condensed polycyclic compound represented by the general formula [1] or [2] described in claim 1 is provided. In the formula [1] and [2], R1 to R10 are independently selected from the group consisting of a hydrogen atom, a straight or branched alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 22 carbon atoms.Type: ApplicationFiled: August 21, 2012Publication date: February 28, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuya Kosuge, Jun Kamatani, Kenichi Ikari
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Publication number: 20130048971Abstract: Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. Any one of R1 to R10 represents a substituent represented by a general formula (G1-1), another one of R1 to R10 represents a substituent represented by a general formula (G1-2), and the others separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. Further, ?1 and ?2 separately represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group, and A1 and A2 separately represent a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzothiophenyl group, or a substituted or unsubstituted dibenzofuranyl group.Type: ApplicationFiled: August 28, 2012Publication date: February 28, 2013Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Yasushi Kitano, Harue Osaka, Satoko Shitagaki
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Publication number: 20130048956Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X1, X2, X3, Y, Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, and Ar7 are as defined in the description.Type: ApplicationFiled: June 8, 2012Publication date: February 28, 2013Applicant: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Banumathy Balaganesan, Yi-Huan Fu, Kun-Feng Chiang, Fang-Shih Lin, Zheng-Feng Ye, Chang-Ying Chu
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Patent number: 8384074Abstract: A heterocyclic compound of formula 1 and an organic light-emitting device including an organic layer containing the heterocyclic compound. The heterocyclic compound of Formula 1 may be suitable as a material for an emission layer, an electron transport layer or an electron injection layer of an organic light-emitting device. Due to the inclusion of the heterocylic group in its molecular structure, the heterocyclic compound of Formula 1 may have a high glass transition temperature (Tg) or a high melting point, and may prevent crystallization. An organic light-emitting device manufactured using the heterocyclic compound of Formula 1, in which a chrysene group and an indole group are fused, has excellent durability when stored or operated.Type: GrantFiled: April 1, 2011Date of Patent: February 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jin-O Lim, Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee
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Patent number: 8384068Abstract: The present invention relates to the use of (hetero)aryl-substituted acridine derivatives as matrix materials in a light-emitting layer of organic light-emitting diodes (OLEDs) and/or in a blocking layer for electrons in organic light-emitting diodes. The present invention further relates to a light-emitting layer which comprises at least one emitter material and at least one matrix material, wherein the matrix material used is at least one (hetero)aryl-substituted acridine derivative, and to an organic light-emitting diode which comprises at least one inventive light-emitting layer, to an organic light-emitting diode which comprises at least one acridine derivative of the formula (I) in a blocking layer for electrons, and to a device selected from stationary and mobile visual display units and illumination units which comprise at least one inventive organic light-emitting diode.Type: GrantFiled: September 26, 2008Date of Patent: February 26, 2013Assignee: BASF SEInventors: Klaus Kahle, Oliver Molt, Nicolle Langer, Christian Lennartz, Christian Schildknecht, Simon Nord, Evelyn Fuchs, Jens Rudolph
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Publication number: 20130043463Abstract: There are provided a novel organic compound that has an excellent luminescent hue and that can produce high-efficiency, high-intensity, and long-life light output, and an organic light-emitting device containing the novel organic compound. There are provided 12,12-dimethyl-12H-benzo[5,6]-s-indaceno[1,2,3-cd]pyrene having a substituent at a particular position, which can emit green light with high color purity, and an organic light-emitting device containing this compound. The substituent at a particular position is selected from a hydrogen atom, substituted and unsubstituted alkyl groups, and substituted and unsubstituted aryl groups.Type: ApplicationFiled: April 19, 2011Publication date: February 21, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Naoki Yamada, Minako Nakasu, Jun Kamatani, Akihito Saitoh
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Publication number: 20130043460Abstract: Disclosed is a carbazole serial compound, having a general formula as: wherein X is selected from a halogen atom, a cyano group, a substituted or non-substituted C1-40 alkyl group, a substituted or non-substituted C2-40 alkenyl group, a substituted or non-substituted C2-40 alkynyl group, a substituted or non-substituted C6-40 aryl group, a substituted or non-substituted C4-40 hetero aryl group, a substituted or non-substituted C6-40 aryl amino group, or a substituted or non-substituted C1-40 alkyl amino group. Each R is independently selected from a hydrogen atom, a cyano group, a substituted or non-substituted C1-40 alkyl group, a substituted or non-substituted C2-40 alkenyl group, a substituted or non-substituted C2-40 alkynyl group, a substituted or non-substituted C6-40 aryl group, a substituted or non-substituted C4-40 hetero aryl group, a substituted or non-substituted C6-40 aryl amino group, or a substituted or non-substituted C1-40 alkyl amino group.Type: ApplicationFiled: December 12, 2011Publication date: February 21, 2013Inventors: Chien-Hong CHENG, Fang-ly WU, Chin-Hsien CHEN, Hsiu-Yun TSAI, Lun-Chia HSU
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Publication number: 20130043461Abstract: An organic electroluminescent element includes a pair of electrodes composed of a positive electrode and a negative electrode, with at least one of the electrodes being transparent or semi-transparent, and one or more organic compound layers interposed between the pair of electrodes, with at least one layer containing one or more charge transporting polyesters represented by the following formula (I), wherein A1 represents at least one selected from structures represented by the following formula (II) and X represents a group represented by the following formula (III)]:Type: ApplicationFiled: February 21, 2012Publication date: February 21, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Hidekazu HIROSE, Takeshi AGATA, Katsuhiro SATO
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Publication number: 20130043462Abstract: Asphaltene components are useful as organic electronic materials, especially in the form of thin films, in organic electronic devices, such as optoelectronic devices, for example, photodiodes (e.g., photovoltaic cells), phototransistors, photomultipliers, integrated optical circuits, photoresistors, and the like.Type: ApplicationFiled: May 3, 2011Publication date: February 21, 2013Inventors: Gino A. Dilabio, Iain MacKie, Heather Diane Dettman
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Patent number: 8378339Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.Type: GrantFiled: September 8, 2010Date of Patent: February 19, 2013Assignee: FUJIFILM CorporationInventors: Kimiatsu Nomura, Eiji Fukuzaki, Tetsuro Mitsui
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Publication number: 20130037790Abstract: A novel stable 10,10-dialkylanthrone compound is provided.Type: ApplicationFiled: April 11, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Jun Kamatani, Yosuke Nishide, Naoki Yamada, Akihito Saitoh
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Publication number: 20130037786Abstract: A nanocomposite including: a matrix including a polyimide; and surface-modified inorganic oxide particles disposed in the matrix, wherein a surface of a particle of the surface-modified inorganic oxide particles is modified with an imide functional group.Type: ApplicationFiled: August 9, 2012Publication date: February 14, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hiroshi MIYAO, Tadao YAGI, Mikio KONNO, Daisuke NAGAO, Keisuke ABE
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Publication number: 20130037752Abstract: OLED compounds of the general structure: B—S-A-S—B in which rod-like nuclei A includes a condensed aromatic ring structure in turn having fluorene ring structures condensed with at least one additional fluorene ring structures wherein the fluorene ring systems provided by the condensed aromatic structure are substituted at the 9-position, and in which the 9-positions of the fluorenes are not susceptible to oxidation.Type: ApplicationFiled: September 29, 2010Publication date: February 14, 2013Applicant: LOMOX LIMITEDInventor: Gene Carl Koch
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Publication number: 20130037785Abstract: A light emitting element including an anode, a cathode, a visible light emitting layer which emits visible light and an infrared light emitting layer which emits infrared light installed between the anode and the cathode is provided. Also, it is preferable that the infrared light emitting layer contain a thiadiazole-based compound as a light emitting material.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Tetsuji FUJITA, Shunichi SEKI, Hidetoshi YAMAMOTO
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Publication number: 20130037789Abstract: The present invention provides a novel naphthothiophene compound having a high lowest excited triplet level (T1).Type: ApplicationFiled: April 11, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh
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Publication number: 20130038515Abstract: There is provided a novel organic compound suitably used for a blue light-emitting device and an organic light-emitting device including the novel organic compound. The organic compound is an acephenanthryleno[4,5-k]benzo[e]acephenanthrylene derivative.Type: ApplicationFiled: April 19, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Tomonari Horikiri, Hiroyuki Tomono, Jun Kamatani
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Publication number: 20130037788Abstract: An organic light emitting device which includes a m-terphenyl compound having a high T1 energy is provided. In addition, a novel m-terphenyl compound is provided.Type: ApplicationFiled: April 11, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Tetsuya Kosuge, Jun Kamatani, Kengo Kishino, Hiroyuki Tomono
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Publication number: 20130037791Abstract: An organic light-emitting device that achieves highly efficient emission and low-voltage operation is provided. The organic light-emitting device contains a 9H-xanthen-9-one derivative.Type: ApplicationFiled: April 11, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Takayuki Horiuchi, Jun Kamatani, Naoki Yamada, Kengo Kishino, Akihito Saitoh
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Publication number: 20130037784Abstract: The thiadiazole represented by formula (2) or (4), when used as a light-emitting material in a light-emitting element, allows the light-emitting element to emit near-infrared light: [In formulae (2) and (4), each R independently represents a hydrogen atom, an alkyl group, or a substituted or unsubstituted aryl group. There may be a ring formed by a carbon linkage between two adjacent R's.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Hidetoshi YAMAMOTO, Tetsuji FUJITA
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Patent number: 8373159Abstract: The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E which is arranged between the anode An and the cathode Ka and comprises at least one carbene complex and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds and at least one carbene complex, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visuType: GrantFiled: June 25, 2008Date of Patent: February 12, 2013Assignee: BASF SEInventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast
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Publication number: 20130032790Abstract: Provided is an organic electroluminescent element which includes a pair of electrodes composed of a positive electrode and a negative electrode, with at least one of the electrodes being transparent or semi-transparent, and an organic compound layer interposed between the pair of electrodes and containing one or more charge transporting polyesters represented by the following formula (I) [in the formula (I), A1 represents at least one selected from structures represented by the following formula (II); and in the formula (II), X represents a group represented by the following formula (III)]:Type: ApplicationFiled: March 7, 2012Publication date: February 7, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Hidekazu HIROSE, Takeshi AGATA, Katsuhiro SATO
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Publication number: 20130032792Abstract: A suspension or solution for organic optoelectronic device is disclosed in this invention. The composition of the suspension or solution includes at least one kind of micro/nano transition metal oxide and a solvent. The composition of the suspension or solution can selectively include at least one kind of transition metal oxide ions or a precursor of transition metal oxide. Moreover, the making method and applications of the suspension or solution is also disclosed in this invention.Type: ApplicationFiled: October 8, 2012Publication date: February 7, 2013Applicant: NATIONAL TAIWAN UNIVERSITYInventor: NATIONAL TAIWAN UNIVERSITY
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Publication number: 20130033416Abstract: An organic compound contains indacenodiperylene as the basic skeleton.Type: ApplicationFiled: August 1, 2012Publication date: February 7, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita, Akihito Saitoh
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Publication number: 20130032788Abstract: A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of R1 to R5 is essentially a nitrogen-containing group. Thus, the carbazole-based compound has high glass transition temperature and/or high melting point, and is stable during electron injection, and when interposed between a pair of electrodes (anode and cathode) of an organic light-emitting diode, the carbazole-based compound may have excellent thermal resistance against Joule's heat generated in organic layers between the pair of electrodes, between the organic layers, or between the organic layer and the electrode during an operation of the organic light-emitting diode.Type: ApplicationFiled: January 31, 2012Publication date: February 7, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Dae-Yup Shin, Kwan-Hee Lee, Hye-In Jeong, Sam-Il Kho, Mie-Hwa Park
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Publication number: 20130032209Abstract: Disclosed herein are a 3,6-carbazle-containing copolymer, an organic solar cell comprising the copolymer in an organic material layer including a photoactive layer, and a method for fabricating the organic solar cell.Type: ApplicationFiled: August 3, 2012Publication date: February 7, 2013Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, LG CHEM, LTD.Inventors: Jinseok KIM, Jaechol LEE, Hangken LEE, Jeong Min CHOI, Jiyoung LEE, Taiho Park, Gang-Young LEE, Minjeong IM, Seulki SONG
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Publication number: 20130032791Abstract: Described herein are novel light absorbing conjugated polymeric electron donor materials for organic photovoltaic devices and other applications. In one embodiment, the polymer structure comprises a conjugated electron rich donor unit with an imine functionality at the bridgehead position and a conjugated electron deficient unit in the polymer backbone arranged in an alternating fashion. Monomers suitable for making the polymers, and devices utilizing the polymers, are also disclosed.Type: ApplicationFiled: June 14, 2012Publication date: February 7, 2013Inventors: Guillermo C. Bazan, Jason D. Azoulay, Bruno Caputo
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Publication number: 20130026415Abstract: The present invention relates to novel compositions comprising light emitting materials and/or charge transporting materials and one or more organic solvents having a viscosity at 25° C. of at least 10 mPas and a boiling point of at most 400° C., to their use as inks for the preparation of organic light emitting diode (OLED) devices, to methods for preparing OLED devices using the novel formulations, and to OLED devices prepared from such methods and formulations.Type: ApplicationFiled: April 5, 2011Publication date: January 31, 2013Applicant: MERCK PATENT GMBHInventors: Mark James, Magda Goncalves-Miskiewicz, Philip Edward May, Ruth Effenberger, Edgar Kluge, Heinrich Becker
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Publication number: 20130026460Abstract: Disclosed is a light-emitting element having a light-emitting layer which includes a first layer, a second layer, and a third layer provided in this order on an anode side between the anode and a cathode. The first layer has a hole-transporting property, the second layer has a bipolar property, and the third layer has an electron-transporting property, wherein the first layer contains a first fluorescent compound and a hole-transporting organic compound, the second layer contains a phosphorescent compound and a host material, and the third layer contains a second fluorescent compound and an electron-transporting organic compound. The light-emitting layer is also arranged so that the triplet-excitation energy of both the hole-transporting organic compound and the electron-transporting organic compound are greater than that of the host material.Type: ApplicationFiled: October 4, 2012Publication date: January 31, 2013Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi SEO, Kaoru IKEDA
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Publication number: 20130026457Abstract: A polymer blend including a first polymer having a unit represented by Formula 1 and a second polymer having a unit represented by Formula 2: wherein in Formulae 1 and 2, R1 through R13, l, and m are the same as defined in the detailed description.Type: ApplicationFiled: October 1, 2012Publication date: January 31, 2013Inventors: Won-jae JOO, Youn-jung PARK, Yong-sik JUNG
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Publication number: 20130029448Abstract: The invention is directed to a method of preparing polymeric metallomacrocycles having measurable photo- and electroluminescence properties and devices using such materials. In an embodiment, an O-hexyl-3,5-bis(terpyridine)phenol ligand has been synthesized and transformed into a hexagonal Zn(II)-metallomacrocycle by a facile self-assembly procedure capitalizing on terpyridine-Zn(II)-terpyridine connectivity. The material is usable in an OLED device based on the photo- and electro-luminescence characteristics thereof.Type: ApplicationFiled: August 3, 2012Publication date: January 31, 2013Inventors: George R. Newkome, Charles N. Moorefield
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Publication number: 20130027636Abstract: Luminescent polymers having doubly- or multiply-bridged biphenylene repeat units are provided, which are particularly suited as electroluminescent polymers. Monomers necessary for the synthesis of the multiply bridged biphenylene polymers are provided, as are electroluminescent devices utilizing these polymers.Type: ApplicationFiled: January 26, 2012Publication date: January 31, 2013Inventors: Matthew L. Marrocco, III, Virgil J. Lee
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Publication number: 20130026454Abstract: According to example embodiments, a photodiode includes a photoelectric layer on a first electrode, a second electrode on the photoelectric layer, and a first phosphorescence layer on the second electrode.Type: ApplicationFiled: January 13, 2012Publication date: January 31, 2013Applicants: Industry-Academic Cooperation Foundation, Yonsei University, SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Youl LEE, Seong Il IM, Kwang Hyun LEE
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Patent number: 8361638Abstract: The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.Type: GrantFiled: March 11, 2009Date of Patent: January 29, 2013Assignee: Merck Patent GmbHInventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
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Publication number: 20130020558Abstract: An organic electroluminescence device includes a pair of electrodes and an organic compound layer between the pair of electrodes. The organic compound layer includes an emitting layer including a host material and a phosphorescent dopant material. The host material is selected from a compound satisfying the following formula (1) with respect to a difference ?ST between singlet energy EgS and an energy gap Eg77K at 77K and satisfying the following formula (2) with respect to the singlet energy EgS. ?ST=EgS?Eg77K<0.4 (eV)??(1) EgS?2.Type: ApplicationFiled: January 20, 2012Publication date: January 24, 2013Applicant: Idemitsu Kosan Co., Ltd.Inventor: Toshinari OGIWARA
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Publication number: 20130020562Abstract: An object of the invention is to provide a polymer compound having a high hole transport capacity, excellent in electrochemical stability, and suitable to film formation according to a wet film formation method. Another object of the invention is to provide an organic electroluminescence element having a high current efficiency, a low drive voltage, and a long derive lifetime. The polymer compound has a crosslinking group bonding to the arylamine moiety in the repeating unit via at least one single bond therebetween.Type: ApplicationFiled: September 14, 2012Publication date: January 24, 2013Inventors: Koichiro IIDA, Kyoko Endo, Yanjun Li, Kazuki Okabe, Masayoshi Yabe