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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Patent number: 8912534Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of ?6.0 eV to ?4.5 eV.Type: GrantFiled: April 5, 2013Date of Patent: December 16, 2014Assignee: LG Display Co., Ltd.Inventors: Sung-Hoon Pieh, Chang-Wook Han, Hong-Seok Choi, Ki-Woog Song, Hyung-June Kim
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Patent number: 8901691Abstract: A touch sensing substrate includes a substrate, a first light sensing element, a second light sensing element and a first bias line. The first light sensing element includes a first gate electrode, a first active pattern overlapping with the first gate electrode, a first source electrode partially overlapping with the first active pattern and a first drain electrode partially overlapping with the first active pattern. The second light sensing element includes a second gate electrode, a second active pattern overlapping with the second gate electrode, a second source electrode partially overlapping with the second active pattern and a second drain electrode partially overlapping with the second active pattern. The first bias line is connected to the first and second gate electrodes.Type: GrantFiled: September 23, 2011Date of Patent: December 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yun-Jong Yeo, Byeong-Hoon Cho, Ki-Hun Jeong, Hong-Kee Chin, Jung-Suk Bang, Woong-Kwon Kim, Sung-Ryul Kim, Hee-Joon Kim, Dae-Cheol Kim, Kun-Wook Han
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Patent number: 8901544Abstract: Articles utilizing strengthened glass substrates, for example, ion-exchanged glass substrates, in combination with organic molecules or polymers are described along with methods for making the articles. The articles are useful in electronics-based devices that utilize organic thin film transistors.Type: GrantFiled: November 30, 2012Date of Patent: December 2, 2014Assignee: Corning IncorporatedInventors: Mingqian He, Jianfeng Li, James Robert Matthews, Michael S Pambianchi
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Patent number: 8900728Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (1). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.Type: GrantFiled: April 18, 2013Date of Patent: December 2, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
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Patent number: 8895157Abstract: Optionally substituted bispyridinylbenzene compounds useful in light-emitting devices include, but are not limited to, 1,3-bis(5-(9H-carbazol-9-yl)pyridin-3-yl)benzene and 9,9?-(5,5?-(5-methyl-1,3-phenylene)bis(pyridine-5,3-diyl))bis(9H-carbazole).Type: GrantFiled: January 27, 2012Date of Patent: November 25, 2014Assignee: Nitto Denko CorporationInventors: Shijun Zheng, Rebecca Romero, David T. Sisk
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Patent number: 8889265Abstract: A copolymer having two or more repeating units selected from the group consisting of arylene groups, divalent heterocyclic groups and divalent aromatic amine groups wherein the copolymer has, on at least one of molecular chain ends, a monovalent heterocyclic group, a monovalent group derived from a heterocyclic group coordinated metal complex, and an aromatic end group selected from aryl groups having a formula weight of 90 or more, and the copolymer shows fluorescence in the solid state and has a polystyrene-reduced weight-average molecular weight of 103 to 108.Type: GrantFiled: July 18, 2003Date of Patent: November 18, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Tomoyuki Suzuki, Takanobu Noguchi, Chizu Sekine
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Patent number: 8889271Abstract: Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof.Type: GrantFiled: April 30, 2010Date of Patent: November 18, 2014Assignees: Duksan High Metal Co., Ltd., Samsung Mobile Display Co., Ltd.Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Kiwon Kim, Jinuk Ju, Jangyeol Baek, Soungyun Mun, Yongwook Park, Hwasoon Jung, Wonsam Kim, Jihun Byun, Sungjin Park, Eunkyung Kim, Daehyuk Choi, Dongha Kim, Hansung Yu, Kwanhee Lee, Taeshick Kim, Daeyup Shin, Mikyung Kim, Dongheon Kim
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Patent number: 8877354Abstract: An organic light-emitting device includes an anode, a cathode, and an organic compound layer interposed between the anode and the cathode. The organic compound layer contains a heterocyclic compound represented by general formula [1]: (wherein R1 and R2 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group having three or less rings, or a substituted or unsubstituted heterocyclic group having three or less rings; R1 and R2 may be the same as or different from each other; R3 and R4 each independently represent a hydrogen atom, a substituted or unsubstituted aryl group having three or less rings, or a substituted or unsubstituted heterocyclic group having three or less rings; one of R3 and R4 represents a substituted or unsubstituted aryl group having three or less rings or a substituted or unsubstituted heterocyclic group having three or less rings; and R3 and R4 may be the same as or different from each other).Type: GrantFiled: August 5, 2010Date of Patent: November 4, 2014Assignee: Canon Kabushiki KaishaInventors: Takayuki Horiuchi, Jun Kamatani, Akihito Saitoh
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Patent number: 8877350Abstract: An organic white light-emitting device, including a substrate; an anode and a cathode spaced from each other; a light-emitting layer including a yellow dopant for emitting yellow light; and first and second blue light-emitting layers, each blue light-emitting layer having at least one different material than the other blue light-emitting layer.Type: GrantFiled: December 11, 2007Date of Patent: November 4, 2014Assignee: Global OLED Technology LLCInventors: Jeffrey P. Spindler, Tukaram K. Hatwar
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Patent number: 8877356Abstract: The invention provides an OLED device including an anode, a cathode and a yellow light-emitting layer located therebetween, the light-emitting layer comprising a 9,10-diarylanthracene host; a yellow light-emitting 5,6,11,12-tetraphenyltetracene derivative where as least 1 of the phenyl groups is further substituted and a non-light-emitting diarylamine substituted 9,10-diarylsubstituted anthracene stabuilizer. Devices of the invention provide improvement in features such as stability and efficiency while maintaining excellent color.Type: GrantFiled: July 22, 2009Date of Patent: November 4, 2014Assignee: Global OLED Technology LLCInventors: Jeffrey P. Spindler, Tukaram K. Hatwar
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Patent number: 8878164Abstract: The invention relates to an organic light-emitting diode, known under the abbreviation OLED, and to a method for the production of such an organic light-emitting diode. According to the invention, an OLED or organic light-emitting diode having an emitter layer (5) is produced, said emitter layer emitting white light in particular. The emitter layer (5) is arranged within a lossy, optical resonator. The optical path length between the two reflecting layers of the resonator determines the color of the light emitting from the optical resonator and, consequently, from the light-emitting diode. In order to be able to create a variety of colors, there must be different optical path lengths between the two reflecting surfaces. The correspondingly different distances can be produced in only one work step, in contrast to the prior art, by a photolithographic method.Type: GrantFiled: October 14, 2009Date of Patent: November 4, 2014Assignee: Universitaet zu KoelnInventors: Malte Gather, Klaus Meerholz
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Patent number: 8877355Abstract: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.Type: GrantFiled: March 15, 2013Date of Patent: November 4, 2014Assignee: Mitsubishi Chemical CorporationInventors: Masayoshi Yabe, Masayo Fugono, Koichiro Iida, Masako Takeuchi, Tomoyuki Ogata
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Patent number: 8866135Abstract: An anthracene derivative represented by the following formula (1): In the formula (1), Z is a structure represented by the following formula (2).Type: GrantFiled: November 29, 2013Date of Patent: October 21, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Masahiro Kawamura, Chishio Hosokawa, Masaki Numata
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Patent number: 8859109Abstract: Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, fully secured of driving stability, and of simple structure. The organic EL device comprises a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the light-emitting layer comprises a phosphorescent dopant and a compound containing carbazolyl groups at both ends represented by the following formula (1) as a host material. In formula (1), X is independently CH optionally containing a substituent or N and L is a direct bond, an ethylene group, or an acetylene group.Type: GrantFiled: February 5, 2009Date of Patent: October 14, 2014Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.Inventors: Yuichi Sawada, Takahiro Kai, Masaki Komori, Toshihiro Yamamoto
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Patent number: 8860013Abstract: An organic EL element (11) includes a light emitting layer (15) which has a two-layer structure, and a first light-emitting layer (15a) is made from a host material which includes LUMO shallower than (i) LUMO (19) of a phosphorescent light emitting material and (ii) LUMO of a host material, from which a second light-emitting layer (15b) is made. Further, the second light-emitting layer (15b) is made from a host material which includes HOMO deeper than (i) HOMO (18) of the phosphorescent light emitting material and (ii) HOMO of the host material, from which the first light-emitting layer (15a) is made. This makes it possible (i) to block holes from moving to the second light-emitting layer (15b) and (ii) to block electrons from moving to the first light-emitting layer (15a). As a result, a probability that the holes and the respective electrons recombine with each other is increased. It is therefore possible to reduce a driving voltage of an organic EL element (11). This improves light emitting efficiency.Type: GrantFiled: October 12, 2010Date of Patent: October 14, 2014Assignee: Sharp Kabushiki KaishaInventor: Ken Okamoto
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Patent number: 8859113Abstract: The present invention relates to novel carbazole derivatives and an organic light-emitting diode device using the same. These carbazole derivatives can simultaneously or singly be used as a hole transporting layer, a host or guest of an emitting layer or an electron transporting layer of an organic light-emitting diode device.Type: GrantFiled: October 8, 2013Date of Patent: October 14, 2014Assignee: China Petrochemical Development CorporationInventors: Hsian Chan Liu, Min Sheng Chen, Chin Yi Lee
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Patent number: 8860019Abstract: The present invention provides a light-emitting element inducing an electron-transporting layer and a hole-transporting layer between a first electrode and a second electrode; and a first layer and a second layer between the electron-transporting layer and the hole-transporting layer, wherein the first layer includes a first organic compound and an organic compound having a hole-transporting property, the second layer includes a second organic compound and an organic compound having an electron-transporting property, the first layer is formed in contact with the first electrode side of the second layer, the first organic compound and the second organic compound are the same compound, and a voltage is applied to the first electrode and the second electrode, so that both of the first organic compound and the second organic compound emit light.Type: GrantFiled: April 1, 2013Date of Patent: October 14, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Nobuharu Ohsawa
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Patent number: 8853675Abstract: Disclosed is a light-emitting material for organic electroluminescent (EL) devices which is composed of an asymmetric anthracene derivative of a specific structure. Also disclosed are a material for organic EL devices and an organic EL device wherein an organic thin film layer composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. At least one layer composed of the organic thin film layer contains the material for organic EL devices by itself or as a component of a mixture. Consequently, the organic EL device has a high efficiency and a long life. Also disclosed are a light-emitting material for organic EL devices and material for organic devices which enable to realize such an organic EL device.Type: GrantFiled: December 13, 2004Date of Patent: October 7, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Mineyuki Kubota, Masakazu Funahashi, Chishio Hosokawa
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Patent number: 8852758Abstract: Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency.Type: GrantFiled: November 20, 2012Date of Patent: October 7, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiroko Nomura, Sachiko Kawakami, Takahiro Ushikubo, Harue Osaka, Satoshi Seo
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Patent number: 8846215Abstract: The present invention provides an organic light emitting diode comprising a first electrode, a second electrode and an organic material layer of one or more layers disposed between the first electrode and the second electrode, in which the organic material layer comprises a light emitting layer, an organic material layer comprising the compound represented by Formula 1 is comprised between the first electrode and the light emitting layer, and the light emitting layer comprises a host comprising the compound represented by Formula 1 and a dopant.Type: GrantFiled: October 11, 2013Date of Patent: September 30, 2014Assignee: LG Chem, Ltd.Inventors: Minseung Chun, Jungi Jang, Sang Young Jeon, Seong So Kim, Chang Hwan Kim, Hyungjin Lee, Sung Kil Hong, Kongkyeom Kim, Yun Hwan Kim, Tae Yoon Park, Jungoh Huh, Seongmi Cho
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Patent number: 8846214Abstract: An amine derivative represented by the following general formula (1) and exhibiting a temperature difference of 30° C. or more as defined by the difference of [decomposition temperature (° C.) minus sublimation temperature (° C.)]: wherein R1 and R2 independently represent a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group; and R3 and R4 independently represent a hydrogen atom, a straight-chain, branched or cyclic C1-18 alkyl or C1-18 alkoxy group, or a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group, provided that R3 and R4 may form together a cyclic hydrocarbon group. The amine derivative is useful as an organic electroluminescent material.Type: GrantFiled: June 2, 2010Date of Patent: September 30, 2014Assignee: Tosoh CorporationInventors: Shinichi Ishikawa, Naoki Matsumoto, Takanori Miyazaki, Yasushi Hara
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Patent number: 8835911Abstract: A light emitting element has an anode, a cathode, a light emitting layer which is provided between the anode and the cathode and emits light by energizing the anode and the cathode, and a functional layer (a hole injecting layer and a hole transporting layer) which is provided between the anode and the light emitting layer in contact therewith and has a function of transporting a hole, in which the hole injecting layer and the hole transporting layer each are constituted including an electron transporting material having electron transporting properties. The content of the electron transporting material contained in the hole injecting layer and the content thereof contained in the hole transporting layer are different from each other.Type: GrantFiled: February 28, 2012Date of Patent: September 16, 2014Assignee: Seiko Epson CorporationInventors: Hidetoshi Yamamoto, Tetsuji Fujita
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Patent number: 8829497Abstract: Disclosed herein is a display element, including plural light emitting units laminated through a connection layer between a first electrode and a second electrode. The connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function. A display device includes plural display elements. Each of the display elements includes plural light emitting units laminated through a connection layer between a first electrode and a second electrode, and the connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function. An electronic apparatus includes a display device including plural display elements and serving as a display portion. Each of the display elements includes plural light emitting units laminated through a connection layer between a first electrode and a second electrode, and the connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function.Type: GrantFiled: February 23, 2012Date of Patent: September 9, 2014Assignee: Sony CorporationInventor: Yasunori Kijima
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Patent number: 8828561Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula (“CF”) 1:Type: GrantFiled: July 23, 2012Date of Patent: September 9, 2014Assignee: Cheil Industries, Inc.Inventors: Hyung-Sun Kim, Eun-Sun Yu, Young-Hoon Kim, Ja-Hyun Kim, Soo-Hyun Min, Ho-Jae Lee, Eui-Su Kang, Mi-Young Chae
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Patent number: 8828559Abstract: A heterocyclic compound represented by Formula 1A and an organic light-emitting device including the heterocyclic compound: at least one of R1 to R13 is a group represented by Formula 1B below: wherein R1 to R15, Ar1, Ar2, A, B, a, and b are defined as in the specification. The organic light-emitting device may include an organic layer containing the heterocyclic compound, and thus may have a low driving voltage, a high-emission efficiency, and long lifespan characteristics.Type: GrantFiled: April 12, 2012Date of Patent: September 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Soo-Yon Kim, Dae-Yup Shin
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Patent number: 8822039Abstract: A charge-transporting varnish containing either a charge-transporting substance consisting of a charge-transporting oligoaniline or a charge-transporting organic material consisting of the charge-transporting substance and a charge-accepting dopant and at least one polymer selected from among polyimides and polyimide precursors; and charge-transporting thin films and organic EL devices, made by using the varnish. The varnish can give thin films which little suffer from defects and have high uniformity and flatness and excellent mechanical strengths, heat resistance, and transparency. In particular, the varnish realizes excellent EL characteristics such as low driving voltage, high emission efficiency, and long service life, when used in organic EL devices.Type: GrantFiled: March 24, 2005Date of Patent: September 2, 2014Assignee: Nissan Chemical Industries, Ltd.Inventors: Go Ono, Taku Kato, Shinichi Maeda
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Patent number: 8815410Abstract: It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms.Type: GrantFiled: December 26, 2005Date of Patent: August 26, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Kumi Kojima, Ryoji Nomura, Nobuharu Ohsawa
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Patent number: 8815414Abstract: A polymer compound having a repeating unit of the following formula (1): (wherein, R1 represents a substituent, Q1 and Q2 represent a group containing a benzocyclobutane structure, a represents an integer of 0 to 3. When there exist a plurality of R1s, these may be the same or different).Type: GrantFiled: September 20, 2007Date of Patent: August 26, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Shigeya Kobayashi, Hidenobu Kakimoto
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Patent number: 8815418Abstract: A compound for an organic photoelectric device, organic photoelectric device, and a display device, the compound being represented by the following Chemical Formula 1:Type: GrantFiled: November 14, 2011Date of Patent: August 26, 2014Assignee: Cheil Industries, Inc.Inventors: Hyung-Sun Kim, Ho-Jae Lee, Eui-Su Kang, Nam-Heon Lee, Young-Sung Park, Eun-Sun Yu, Mi-Young Chae
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Patent number: 8816332Abstract: The present disclosure relates to photosensitive optoelectronic devices including a compound blocking layer located between an acceptor material and a cathode, the compound blocking layer including: at least one electron conducting material, and at least one wide-gap electron conducting exciton blocking layer. For example, 3,4,9,10 perylenetetracarboxylic bisbenzimidazole (PTCBI) and 1,4,5,8-napthalene-tetracarboxylic-dianhydride (NTCDA) function as electron conducting and exciton blocking layers when interposed between the acceptor layer and cathode. Both materials serve as efficient electron conductors, leading to a fill factor as high as 0.70. By using an NTCDA/PTCBI compound blocking layer structure increased power conversion efficiency is achieved, compared to an analogous device using a conventional blocking layers shown to conduct electrons via damage-induced midgap states.Type: GrantFiled: February 21, 2012Date of Patent: August 26, 2014Assignee: The Regents of the University of MichiganInventors: Stephen R. Forrest, Brian E. Lassiter
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Patent number: 8815417Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: wherein R1 to R12 are defined as in the specification.Type: GrantFiled: August 16, 2011Date of Patent: August 26, 2014Assignee: Samsung Display Co., Ltd.Inventors: Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Sun-Young Lee, Hye-Jin Jung, Jin-O Lim, Jong-Hyuk Lee
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Patent number: 8815416Abstract: Disclosed is an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully secured of driving stability, and of simple constitution. Also disclosed is a compound useful for the fabrication of said organic electroluminescent device. This compound for organic electroluminescent device is a bipyrimidyl compound which has a basic skeleton of 2,2?-bipyrimidyl and is substituted by an aromatic hydrocarbon group, an aromatic heterocyclic group, or a substituted amino group. The aforementioned organic electroluminescent device has a light-emitting layer between an anode and a cathode which are piled one upon another on a substrate and the light-emitting layer contains a phosphorescent dopant and the aforementioned bipyrimidyl compound as a host material.Type: GrantFiled: December 24, 2008Date of Patent: August 26, 2014Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.Inventors: Takahiro Kai, Junya Ogawa, Toshihiro Yamamoto
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Patent number: 8809841Abstract: A light-emitting element which at least includes a monomolecular layer including a luminescent center material with a fluorescent light-emitting property, and a monomolecular layer including a host material with a carrier (electron or hole)-transport property and a band gap larger than a band gap (note that a band gap refers to the energy difference between a HOMO level and a LUMO level) of the luminescent center material, between a pair of electrodes, in which the monomolecular layer including the host material and the monomolecular layer including the luminescent center material share the same interface, is provided.Type: GrantFiled: November 23, 2011Date of Patent: August 19, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kunihiko Suzuki, Harue Osaka, Masahiro Takahashi
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Patent number: 8808877Abstract: A method of manufacturing an organic EL element, which may be a top-emitting or a transparent organic EL element, provides an organic EL element having a low driving voltage and a high efficiency. The organic EL element includes a substrate; an anode; an organic EL layer which includes at least an emissive layer, an electron transport layer and a damage-mitigating electron injection layer; and a transparent cathode composed of a transparent conductive oxide material, the damage-mitigating electron injection layer is in contact with the transparent cathode, and the damage-mitigating electron injection layer includes a crystalline oligothiophene compound.Type: GrantFiled: August 18, 2009Date of Patent: August 19, 2014Assignee: Sharp Kabushiki KaishaInventor: Yutaka Terao
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Patent number: 8808879Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Methods of treating disease diseases with phototherapy are also described.Type: GrantFiled: July 15, 2011Date of Patent: August 19, 2014Assignee: Nitto Denko CorporationInventors: Amane Mochizuki, Sazzadur Rahman Khan, Shijun Zheng, Keisaku Okada
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Patent number: 8802246Abstract: A light emitting polymer includes a phosphorescence unit and a fluorescence unit. An organic light emitting device includes the light emitting polymer. The light emitting polymer can emit light of two or more colors according to a phosphorescent and fluorescent mechanisms, and thus the organic light emitting device including the light emitting polymer can have long lifetime, high brightness and excellent efficiency, and emit white light.Type: GrantFiled: October 19, 2007Date of Patent: August 12, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jhun-Mo Son, Young-Hun Byun, Yu-Jin Kim, O-Hyun Kwon, Young-Mok Son
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Publication number: 20140217365Abstract: Embodiments of the invention are directed to IR photodetectors with gain resulting from the positioning of a charge multiplication layer (CML) between the cathode and the IR sensitizing layer of the photodetector, where accumulating charge at the CML reduces the energy difference between the cathode and the CML to promote injection of electrons that result in gain for an electron only device. Other embodiments of the invention are directed to inclusion of the IR photodetectors with gain into an IR-to-visible up-conversion device that can be used in night vision and other applications.Type: ApplicationFiled: February 28, 2012Publication date: August 7, 2014Applicants: NANOHOLDINGS, LLC, UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: FRANKY SO, DO YOUNG KIM, BHABENDRA K. PRADHAN
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Patent number: 8796674Abstract: Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method.Type: GrantFiled: February 7, 2011Date of Patent: August 5, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai
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Patent number: 8795847Abstract: The present invention relates to anthracene derivatives, to the use thereof in organic electroluminescent devices, and to organic electroluminescent devices comprising these compounds.Type: GrantFiled: November 17, 2006Date of Patent: August 5, 2014Assignee: Merck Patent GmbHInventors: Holger Heil, Philipp Stoessel, Amir Parham, Horst Vestweber
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Patent number: 8791451Abstract: A composition comprising: at least one conjugated polymer, at least one second polymer comprising repeat units represented by: (I) optionally, —[CH2—CH(Ph-OH)]— and (II) —[CH2—CH(Ph-OR)]— wherein Ph is a phenyl ring and R comprises a fluorinated group, an alkyl group, an alkylsulfonic acid group, an alkylene oxide group, or a combination thereof is described. Other polymers can be used as second polymer including polymers comprising modified naphthol side groups. The composition can be used in hole injection and hole transport layers for organic electronic devices. Increased lifetime and better processability can be achieved. Versatility with useful OLED emitters can be achieved. Ink formulations can be adapted for ink jet printing. The conjugated polymer can be a polythiophene. Applications include OLEDs and OPVs.Type: GrantFiled: March 5, 2009Date of Patent: July 29, 2014Assignee: Solvay USA, Inc.Inventors: Venkataramanan Seshadri, Christopher T. Brown, Brian E. Woodworth, Edward S. Yang
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Patent number: 8786181Abstract: The present invention relates to a blend comprising; a) at least one polymer or copolymer or a mixture of a plurality of polymers and/or copolymers which contain a main chain and a side chain, where at least one side chain contains a structural unit of the following formula (I), the symbols and indices used here are as defined below; b) at least one host molecule which has electron- or hole-transporting functionality, and c) at least one emitter molecule.Type: GrantFiled: October 14, 2011Date of Patent: July 22, 2014Assignees: Merck Patent GmbH, Fraunhofer-Gesellschaft Forschung E.V.Inventors: Thomas Eberle, Rémi Manouk Anémian, Manuel Thesen, Hartmut Krueger, Armin Wedel, Beatrice Salert, Stefanie Kreissl
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Patent number: 8785001Abstract: The present invention relates to mixtures of organic materials, to the use of these mixtures in organic electroluminescent devices, and to organic electroluminescent devices comprising these mixtures.Type: GrantFiled: November 17, 2006Date of Patent: July 22, 2014Assignee: Merck Patent GmbHInventors: Horst Vestweber, Philipp Stoessel, Holger Heil
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Patent number: 8785003Abstract: An organic EL device material includes at least a unit including 3,5-biscarbazolylphenyl group, a unit including 4-carbazolylphenyl group, and a compound including a unit including a nitrogen-containing aromatic heterocyclic ring bonding the unit including 3,5-biscarbazolylphenyl group and the unit including 4-carbazolylphenyl group.Type: GrantFiled: March 4, 2011Date of Patent: July 22, 2014Assignee: Idemtisu Kosan Co., Ltd.Inventors: Tetsuya Inoue, Kumiko Hibino, Kei Yoshida, Kazuki Nishimura, Toshihiro Iwakuma
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Patent number: 8785916Abstract: Optoelectronic organic component, comprising: a first electrode, a first planarization layer which is disposed on the first electrode, a first injection layer which is disposed on the planarization layer, an organic functional layer which is disposed on the injection layer, a second electrode which is disposed on the organic functional layer, wherein in the case that the first electrode is an anode, the following applies for the energy levels: EF?EHOMO,Inj.??EHOMO,Plan. and EF?EHOMO,Inj<EHOMO,Funk. or in the case that the first electrode is a cathode, the following applies for the energy levels: ELUMO,Inj.?EF?ELUMO,Plan.?EF and ELUMO,Inj.?EF<ELUMO,Funk.?EF, wherein EF is the fermi energy, EHOMO is the energy of the highest occupied energy level of the respective layer and ELUMO is the energy of the lowest unoccupied energy level of the respective layer.Type: GrantFiled: September 29, 2010Date of Patent: July 22, 2014Assignee: OSRAM Opto Semiconductors GmbHInventors: Marc Philippens, Ralph Paetzold, Wiebke Sarfert, David Hartmann, Arvid Hunze, Ralf Krause
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Patent number: 8785007Abstract: The present invention provides green and red conversion films capable of keeping a sufficient intensity of converted light over a long period, and a multicolor emission organic EL device which exhibits light-emitting properties stably over a long period. The present invention includes a pendant-type polymeric compound characterized in that the pendant-type polymeric compound contains at least one repeating unit represented by a general formula (1) and at least one repeating unit represented by a general formula (2), (6) or (7), wherein n/(m+n)=1/100 to 100/100 provided that the molar ratio of (1):(2), (6) or (7) is m:n.Type: GrantFiled: September 10, 2010Date of Patent: July 22, 2014Assignee: Adeka CorporationInventors: Masaru Nagai, Mitsuhiro Okada, Koichi Shigeno
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Patent number: 8785006Abstract: An anthracene derivative having a specific asymmetric structure is provided. The asymmetric anthracenes are useful in an organic electroluminescence device and exhibit efficient light emission and a long performance lifetime.Type: GrantFiled: May 29, 2012Date of Patent: July 22, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hidetsugu Ikeda, Motohisa Ido, Masakazu Funahashi
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Patent number: 8778511Abstract: An organic light emitting device is provided. The device includes an anode and a cathode. A first organic layer is disposed between the anode and the cathode. The first organic layer is an emissive layer that includes a first organic emitting material. The device also includes a second organic layer disposed between the anode and the first organic layer. The second organic layer is a non-emissive layer. The second organic layer includes an organic small molecule hole transport material having a concentration of 50 to 99 wt %, and an organic small molecule electron transport material having a concentration of 0.1 to 5 wt %. Other materials may be present.Type: GrantFiled: October 1, 2009Date of Patent: July 15, 2014Assignee: Universal Display CorporationInventors: Vadim Adamovich, Brian D'Andrade, Michael S. Weaver
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Patent number: 8778512Abstract: The present invention relates new compounds and to an organic electronic device comprising at least one substantially organic layer comprising a non fully conjugated chemical compound, which compound is preferably used in electron transport layers, electron injection layers. The invention also includes a process for preparing an organic electronic device, wherein the substantially organic layer comprising a non fully conjugated chemical compound is deposited on a first layer, and a second layer is deposited on the substantially organic layer, preferably a cathode being deposited on the substantially organic layer comprising the non fully conjugated chemical compound.Type: GrantFiled: November 8, 2011Date of Patent: July 15, 2014Assignee: Novaled AGInventors: Sascha Dorok, Ulrich Heggemann, Andrea Lux, Carsten Rothe
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Patent number: 8771845Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.Type: GrantFiled: June 24, 2013Date of Patent: July 8, 2014Assignee: Nitto Denko CorporationInventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
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Patent number: RE45216Abstract: An organic electroluminescent element including at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises at least a compound represented by Formula (A),Type: GrantFiled: September 25, 2012Date of Patent: October 28, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Tatsuo Tanaka, Hideo Taka