With Electrode Matrix Patents (Class 313/505)
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White light emitting device containing three fluorescent materials having different peak wavelengths
Patent number: 8836211Abstract: A white light emitting device according to an embodiment includes: a light emitting element having a peak wavelength in a wavelength range of 430 nm or more and 470 nm or less; a first fluorescent material emits light with a first peak wavelength of 525 nm or more and 560 nm or less; a second fluorescent material emits light with a second peak wavelength longer than the first peak wavelength; and a third fluorescent material emits light with a third peak wavelength of 620 nm or more and 750 nm or less, which is longer than the second peak wavelength. The first fluorescent material and the second fluorescent material has a composition of MSi?O?N?, and when the first peak wavelength is denoted by ?1 (nm), whereas the second peak wavelength is denoted by ?2 (nm), 1100??1+?2 and ?2??1?60 are satisfied.Type: GrantFiled: August 29, 2012Date of Patent: September 16, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Yasushi Hattori, Aoi Okada, Ryosuke Hiramatsu, Kunio Ishida, Masahiro Kato -
Patent number: 8836204Abstract: Disclosed is an organic EL illumination device—which is provided with: an organic EL element (13) on a glass substrate (10); and a plurality of anode terminal electrodes (11) and cathode terminal electrodes (12) for evenly supplying current to the aforementioned organic EL element (13) on the aforementioned glass substrate (10)—wherein the organic EL illumination device is provided with a wiring board (1) to which a circuit having anode wiring (1a) corresponding to the position of each of the aforementioned anode terminal electrodes (11), and a circuit having cathode wiring (1b) corresponding to the position of each of the aforementioned cathode terminal electrodes (12) are formed.Type: GrantFiled: April 27, 2011Date of Patent: September 16, 2014Assignee: Lumiotec Inc.Inventors: Akihito Kagotani, Makoto Arisawa, Hideki Kamada
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Patent number: 8836215Abstract: A display panel includes a periphery area, an active display area adjacent to the periphery, a driving chip disposed out of the active display area for driving the active display area, and a plurality of wires electrically connecting the driving chip and the active display area. The width of at least one wire at a portion adjacent to the driving chip is smaller than the width of the at least one wire at the other portion adjacent to the active display area.Type: GrantFiled: January 7, 2014Date of Patent: September 16, 2014Assignee: Innolux CorporationInventors: Chun-Chih Chiu, Wei-Chung Lu
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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: 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: 8829792Abstract: The invention relates to an OLED and its manufacture. The OLED comprises substrate (1), a first electrode layer (2), a package (3) of layers comprising organic electroluminescence material, a second electrode layer (4), a spacer layer (5) and a cover (6) being sealed to the substrate (1) via a sealing material (8). According to the invention, the cover (6) is formed as a layer of a flexible material which is permanently fixed to at least a part of the spacer layer (5). OLEDs with this feature have less moisture penetration and can be produced with less costs. Moreover, electrical contacts (11) between the cover (6) and one of the electrode layers (2, 4) are more reliable in OLEDs having this feature.Type: GrantFiled: September 23, 2011Date of Patent: September 9, 2014Assignee: Koninklijke Philips N.V.Inventor: Petrus Cornelis Paulus Bouten
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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: 8816581Abstract: Provided is a lighting device capable of displaying a desired image without an element such as a TFT in a light-emitting portion of the lighting device. The lighting device includes a light-emitting portion in which a plurality of light-emitting segments arranged in matrix and each including an EL layer between a pair of electrodes (an anode and a cathode). The area of a light-emitting region is varied as appropriate so as to obtain a desired light-emitting luminance from the light-emitting region in each the light-emitting segment; accordingly, gray-scale display can be performed and a still image can be displayed only by 1 external power source.Type: GrantFiled: February 7, 2012Date of Patent: August 26, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Kaoru Hatano
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Patent number: 8816579Abstract: An organic light-emitting device includes a first pixel electrode disposed on a substrate, a first bank covering an edge of the first pixel electrode, the first bank having a first opening exposing a portion of the first pixel electrode, a second pixel electrode covering the exposed portion of the first pixel electrode through the first opening, the second pixel electrode covering at least a portion of the first bank, an organic light-emitting layer covering the second pixel electrode, and an opposite electrode covering the organic light-emitting layer.Type: GrantFiled: January 24, 2012Date of Patent: August 26, 2014Assignee: Samsung Display Co., Ltd.Inventor: Young-Il Kim
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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: 8816339Abstract: An organic EL display panel includes a substrate; an interlayer insulating layer on the substrate; first electrodes on the interlayer insulating layer to correspond to element formation regions in rows and columns; banks extending in columns to partition the regions in rows; organic light-emitting layers above the first electrodes, and each containing organic light-emitting material having light-emitting color differing between each two adjacent regions in rows; and second electrodes above the light-emitting layers, and being opposite in polarity to the first electrodes, wherein the interlayer insulating layer has first opening corresponding to interval between each two adjacent first electrodes in rows, the banks each have integrally formed buried part and main part, the buried part fills the interval and the first opening, and the main part is protrusion of the buried part and has recess on top thereof along with shapes of the interval and the first opening.Type: GrantFiled: December 10, 2012Date of Patent: August 26, 2014Assignee: Panasonic CorporationInventors: Hiroshi Kawamura, Seiji Nishiyama
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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: 8816580Abstract: There is provided an organic light emitting display capable of increasing an aperture ratio. The organic light emitting display includes red pixels including red emission regions, green pixels including green emission regions, and blue pixels including blue emission regions. In at least one of the red emission regions, the green emission regions, and the blue emission regions, a distance between an emission region and an adjacent emission region above the emission region is different from a distance between the emission region and another adjacent emission region below the emission region.Type: GrantFiled: November 1, 2012Date of Patent: August 26, 2014Assignee: Samsung Display Co., Ltd.Inventors: An-Su Lee, Tae-Jin Kim, Do-Youb Kim, Sang-Kyun Cho, Seung-Woo Lee
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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: 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: 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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Patent number: 8803415Abstract: An organic light emitting diode display panel includes a transparent substrate on which a matrix array of pixels is formed with each pixel including an organic light emitting diode (OLED). The OLEDS include light emitting regions sandwiched between pixel electrodes or anodes made of transparent conductive material and a common electrode made of a conductive material. The refractive index of the pixel electrodes is higher than the refractive index of the insulating layer on which the pixel electrodes are disposed so that light undergoes multiple reflections at the interface between the pixel electrodes and the insulating layer and also at the interface between the light emitting regions and the common electrode. The thickness of the pixel electrodes is chosen so that light that eventually exits the pixel electrodes after multiple reflections contains a relatively strong component of a chosen primary color.Type: GrantFiled: May 21, 2009Date of Patent: August 12, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hae-Yeon Lee, Baek-Woon Lee, Young-In Hwang
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Patent number: 8803773Abstract: A display apparatus is provided which is capable of improving display quality by expanding the light-emission area of pixels by improving the layout of pixels and common power-feed lines formed on a substrate. Pixels including a light-emission element, such as an electroluminescence element or an LED element, are arranged on both sides of common power-feed lines so that the number of common power-feed lines is reduced. Further, the polarity of a driving current flowing between the pixels and the light-emission element is inverted so that the amount of current flowing through the common power-supply lines is reduced.Type: GrantFiled: February 19, 2003Date of Patent: August 12, 2014Assignee: Intellectual Keystone Technology LLCInventor: Tokuroh Ozawa
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Patent number: 8803416Abstract: An organic light emitting display (OLED) apparatus and a method of manufacturing the same, the OLED apparatus including: a substrate; an active layer formed on the substrate; a gate electrode insulated from the active layer; source and drain electrodes insulated from the gate electrode and electrically connected to the active layer; a pixel defining layer formed on the source and drain electrodes, having an aperture to expose one of the source and drain electrodes; an intermediate layer formed in the aperture and comprising an organic light emitting layer; and a facing electrode which is formed on the intermediate layer. One of the source and drain electrodes has an extension that operates as a pixel electrode. The aperture exposes the extended portion. The intermediate layer is formed on the extended portion.Type: GrantFiled: October 30, 2013Date of Patent: August 12, 2014Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Dae-Hyun No, Cheol-Ho Yu
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Patent number: 8796918Abstract: Discloses is an organic light emitting display device including a first substrate divided into a pixel region and a non-pixel region. An organic light emitting element includes a first electrode, an organic thin film layer and a second electrode formed in the pixel region. A scan driver and a metal film corresponding to a region of the scan driver are formed in the non-pixel region. A second substrate is spaced apart from the pixel region and the non-pixel region of the first substrate. A frit is formed along an edge of a non-pixel region of the second substrate, wherein the frit is formed so that it can be overlapped with an active area of the scan driver formed in the non-pixel region.Type: GrantFiled: September 29, 2006Date of Patent: August 5, 2014Assignee: Samsung Display Co., Ltd.Inventors: Deuk Jong Kim, Seung Yong Song
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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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Method of manufacturing an electric optical device in which external connection terminals are formed
Patent number: 8796913Abstract: An electro-optical device includes an effective display region including a pixel, the pixel including a first electrode, a second electrode, and a light-emitting layer between the first electrode and the second electrode; and a wiring line connected to the second electrode at a position to the periphery of the effective display region, the wiring line including a first wiring layer and a second wiring layer that are electrically connected to each other and that overlap each other, the first wiring layer and the second wiring layer both extending in a direction in which an edge of the effective display region extends, the first wiring layer and the second wiring layer extending in the direction a distance that is longer than a distance in which the edge of the effective display region extends in the direction.Type: GrantFiled: November 19, 2012Date of Patent: August 5, 2014Assignee: Seiko Epson CorporationInventors: Masahiro Furusawa, Mitsuru Kuribayashi, Hayato Nakanishi, Toshimitsu Hirai -
Patent number: 8796921Abstract: A flexible display panel including: a flexible substrate comprising a first area and a second area, wherein the first area is formed in a first direction, and the second area is formed in a second direction that is different from the first direction; a first display area formed on the first area of the flexible substrate; a second display area formed on the second area of the flexible substrate; a bending area formed between the first display area and the second display area; and an encapsulation substrate encapsulating at least the first display area and the second display area. Accordingly, as a display area is not formed in a bent portion, display defects due to bending may be prevented.Type: GrantFiled: February 4, 2013Date of Patent: August 5, 2014Assignee: Samsung Display Co., Ltd.Inventor: Wi-Jin Nam
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Patent number: 8789968Abstract: A light-emitting panel includes at least a first light-emitting element emits and a second light-emitting element, each light-emitting element having, between a reflective film and a semi-transmissive/semi-reflective film, a layer including an optical adjustment layer and a light-emitting organic compound interposed between a pair of electrodes. One of the light-emitting elements further includes a layer transmitting red light provided over the corresponding semi-transmissive/semi-reflective film. The layer having the organic compound emits light having a wavelength between 600 nm and 800 nm, and light having a wavelength between 400 nm and 600 nm.Type: GrantFiled: March 22, 2012Date of Patent: July 29, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nobuharu Ohsawa, Toshiki Sasaki, Satoshi Seo
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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: 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: 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: 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: 8786174Abstract: An organic light emitting display device includes a substrate in which a first pixel area and a second pixel area different from each other are defined, a first electrode, a pixel defining layer, a common layer, a first surface processing layer, a second surface processing layer, a first liquid solution layer, a second liquid solution layer, and a second electrode. The first surface processing layer has a first width and is correspondingly included in the first pixel area. The second surface processing layer has a second width different from the first width and is correspondingly included in the second pixel area. The first liquid solution layer has the first width, and the second liquid solution layer has the second width. The first and second liquid solution layers have the same volume and different thicknesses.Type: GrantFiled: May 31, 2013Date of Patent: July 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Young Il Kim, Euigyu Kim, Arong Lee
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Patent number: 8786185Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.Type: GrantFiled: January 14, 2014Date of Patent: July 22, 2014Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8786177Abstract: An object of the present invention is to provide an organic EL element including a plurality of light-emitting layers which each emit light having a different peak wavelength, and having excellent light-emitting performances such as light-emitting intensity with a simple structure.Type: GrantFiled: September 22, 2010Date of Patent: July 22, 2014Assignee: Sumitomo Chemical Company, LimitedInventor: Yoshinobu Ono
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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: 8771844Abstract: A heterocyclic compound, an organic light-emitting diode, and a flat display device, the heterocyclic compound being represented by Formula 1, below:Type: GrantFiled: December 6, 2011Date of Patent: July 8, 2014Assignee: Samsung Display Co., Ltd.Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Sang-Hyun Han, Yoon-Hyun Kwak, Sun-Young Lee, Se-Jin Cho, Jong-Hyuk Lee, Sung-Chul Kim
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Patent number: 8771841Abstract: A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.Type: GrantFiled: May 15, 2009Date of Patent: July 8, 2014Assignee: Hodogaya Chemical Co., Ltd.Inventors: Norimasa Yokoyama, Shigeru Kusano, Shuichi Hayashi
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Patent number: 8772762Abstract: Provided is an organic electroluminescent device including: a substrate (11, 101); a first electrode (12, 102) formed on the substrate (11, 101) and including a pixel region; a partition wall (23, 203) formed on the substrate (11, 101), partitioning the first electrode (12, 102), and including a surface with a recessed and projected form; a luminescent medium layer (19, 109) formed on the pixel region and the partition wall (23, 203), a film thickness of the partition wall (23, 203) being uneven according to the recessed and projected form; and a second electrode (17, 107) formed on the luminescent medium layer (19, 109).Type: GrantFiled: September 22, 2011Date of Patent: July 8, 2014Assignee: Toppan Printing Co., Ltd.Inventors: Shingo Kaneta, Yuki Yasu, Ryo Syoda, Noriko Morikawa, Eiichi Kitazume
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Patent number: 8771840Abstract: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.Type: GrantFiled: November 9, 2010Date of Patent: July 8, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiroki Suzuki, Tsunenori Suzuki, Satoshi Seo
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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: 8772795Abstract: To provide a light-emitting device including the plurality of light-emitting elements having a structure in which a light-emitting area is large and defects in patterning of light-emitting elements are suppressed. To provide a lighting device including the light-emitting device. The light-emitting device includes a first wiring provided over a substrate having an insulating surface, an insulating film provided over the first wiring, a second wiring provided over the insulating film, and a light-emitting element unit including a plurality of light-emitting elements provided over the first wiring with the insulating film provided therebetween. The plurality of light-emitting elements each include a first electrode layer having a light-blocking property, a layer containing an organic compound in contact with the first electrode layer, and a second electrode layer having a light-transmitting property in contact with the layer containing an organic compound.Type: GrantFiled: February 7, 2012Date of Patent: July 8, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Koji Ono, Yoshifumi Tanada
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Patent number: 8766533Abstract: A display device includes a light emitting functional layer disposed between a first and second substrates; a first pixel which emits light to the second substrate and has a first pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a first reflecting layer disposed between the first pixel electrode and the first substrate; a second pixel which emits light to the first substrate side and has a second pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a second reflecting layer disposed between the second electrode and the second substrate; and a driving element which drives the first and second pixel electrodes is disposed above first substrate.Type: GrantFiled: December 14, 2010Date of Patent: July 1, 2014Assignee: Seiko Epson CorporationInventor: Hidekazu Kobayashi
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Patent number: 8766532Abstract: A flexible electrode array substrate includes a flexible base and a plurality of pixel electrodes. The pixel electrodes are disposed on the flexible base and arranged in an array. The size of one of the pixel electrodes is different from that of another of the pixel electrodes. In addition, another flexible electrode array substrate including a flexible base and a plurality of bar electrodes is also provided. The bar electrodes are disposed on the flexible base and arranged in an array. The size of one of the bar electrodes is different from that of another of the bar electrodes. Besides, a flexible display device having one of the said flexible electrode array substrates is also provided.Type: GrantFiled: February 3, 2010Date of Patent: July 1, 2014Assignee: E Ink Holdings Inc.Inventors: Kai-Cheng Chuang, Tzu-Ming Wang
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Patent number: 8766517Abstract: The claimed invention was made by, on behalf of, and/or in connection with one or more of the following parties to a joint university corporation research agreement: Princeton University, The University of Southern California, The University of Michigan and Universal Display Corporation. The agreement was in effect on and before the date the claimed invention was made, and the claimed invention was made as a result of activities undertaken within the scope of the agreement.Type: GrantFiled: February 3, 2010Date of Patent: July 1, 2014Assignee: Universal Display CorporationInventors: Jeffrey Silvernail, Jason Paynter, Kamala Rajan
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Patent number: 8766536Abstract: Light-emitting modules according to the embodiments is configured by mounting a plurality of semiconductor light-emitting elements having the same light-emitting property in a closed-up manner on a substrate and sealing the closed up plurality of semiconductor light-emitting elements by a dome shaped sealing member altogether.Type: GrantFiled: August 22, 2012Date of Patent: July 1, 2014Assignee: Toshiba Lighting & Technology CorporationInventors: Yumiko Hayashida, Soichi Shibusawa, Yuiko Nakagawa, Hiroki Tamai
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Patent number: 8758883Abstract: The claimed invention relates to a luminescent decorative material, which is visible even at night, of which different decorative properties are obtained in the daytime or under lighting due to the presence or absence of luminescence. The claimed invention provide a luminescent sheet (plane sheet) having see-through property and containing a transparent part, through which it is possible to see the area behind the plane sheet, and a luminescent part.Type: GrantFiled: October 5, 2007Date of Patent: June 24, 2014Assignee: Lintec CorporationInventors: Shigeto Okuji, Masahiko Sekiya, Shinichi Hoshi
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Patent number: 8760047Abstract: Disclosed herein is a display panel based on active matrix driving having a display area made up of N pixel control lines, M video signal lines orthogonally intersecting the N pixel control lines, and pixel circuits arranged at intersections between the N pixel control lines and M video signal lines, wherein positional identification patterns are arranged on every k (k being a natural number) pixel control lines inside each of the pixel circuits.Type: GrantFiled: October 10, 2012Date of Patent: June 24, 2014Assignee: Sony CorporationInventor: Kazuo Nakamura
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Patent number: 8753906Abstract: A method for manufacturing a structure having a textured surface, including a substrate made of mineral glass having a given texture, for an organic-light-emitting-diode device, the method including supplying a rough substrate, having a roughness defined by a roughness parameter Ra ranging from 1 to 5 ?m over an analysis length of 15 mm and with a Gaussian filter having a cut-off frequency of 0.8 mm; and depositing a liquid-phase silica smoothing film on the substrate, the film being configured to smooth the roughness sufficiently and to form the textured surface of the structure.Type: GrantFiled: April 2, 2010Date of Patent: June 17, 2014Assignee: Saint-Gobain Glass FranceInventors: Francois-Julien Vermersch, Hélène Gascon, Sophie Besson
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Patent number: 8748012Abstract: Novel aryl silicon and aryl germanium host materials are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED.Type: GrantFiled: May 25, 2011Date of Patent: June 10, 2014Assignee: Universal Display CorporationInventors: Lichang Zeng, Alexey B. Dyatkin, Gregg Kottas
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Patent number: 8748014Abstract: The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure, which is represented by the following general formula (1) or the following general formula (2); and an organic electroluminescent device having a pair of electrodes and at least one organic layer interposed therebetween, in which the compound having a substituted anthracene ring structure and a pyridoindole ring structure, which is represented by the following general formula (1) or the following general formula (2), is used as a constituent material of the aforementioned at least one organic layer.Type: GrantFiled: November 10, 2010Date of Patent: June 10, 2014Assignee: Hodogaya Chemical Co., Ltd.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Kouki Kase, Hiroshi Ohkuma, Eiji Takahashi, Daizou Kanda
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Patent number: 8743025Abstract: A light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic, are provided. Cathode wiring lines 13 connected to a cathode 12 are provided to surround an effective area 2a outside the effective area 2a where a plurality of pixels 103R, G and B having light-emitting elements are provided. First to third power source lines 103G, 103B and 103R connected to pixel electrodes are provided between the cathode wiring lines 13 and the effective area 2a.Type: GrantFiled: August 2, 2011Date of Patent: June 3, 2014Assignee: Seiko Epson CorporationInventor: Hayato Nakanishi
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Patent number: 8741449Abstract: An anthracene derivative represented by the general formula (G1) is provided. The anthracene derivative represented by the general formula (G1) is a novel anthracene derivative having a wide band gap. Further, the anthracene derivative has a large energy gap and can be very suitably used as a material for a light-emitting element which exhibits blue light emission.Type: GrantFiled: June 8, 2012Date of Patent: June 3, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo