With Electrode Matrix Patents (Class 313/505)
  • Patent number: 9040176
    Abstract: An organic light-emitting device including: a substrate; a display unit on the substrate; and an encapsulation layer covering the display unit, the encapsulation layer having an alternating stack structure of an organic layer and an inorganic layer, and the organic layer including a polymer polymerized from monomers of Formula 1 and Formula 2:
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 26, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Jin Kim, Chul-Hwan Park
  • Patent number: 9040175
    Abstract: The present invention relates to an electronic device comprising at least one organic semiconducting material according to the following formula (I): wherein R1-4 are independently selected from H, halogen, CN, substituted or unsubstituted C1-C20-alkyl or heteroalkyl, C6-C20-aryl or C5-C20-heteroaryl, C1-C20-alkoxy or C6-C20-aryloxy, Ar is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, and R5 is selected from substituted or unsubstituted C6-C20-aryl or C5-C20-heteroaryl, H, F or formula (II).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: May 26, 2015
    Assignee: NOVALED AG
    Inventors: Omrane Fadhel, Ramona Pretsch
  • Patent number: 9040172
    Abstract: The present invention describes novel indenofluorene derivatives which can preferably be employed as matrix materials for phosphorescent dopants or as electron-transport materials, in particular for use in the emission and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to polymers which comprise these compounds as structural units and to a process for the preparation of the compounds according to the invention and to electronic devices which comprise same.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: May 26, 2015
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm, Teresa Mujica-Fernaud, Arne Buesing, Holger Heil
  • Patent number: 9035546
    Abstract: The organic light emitting display device includes an organic light emitting display panel and a data driver, wherein the organic light emitting display panel includes an active region which includes pixel driving TFTs for embodying an image and organic luminescent elements respectively connected with the pixel driving TFTs to emit light, a GIP region which includes a gate driver formed with a plurality of gate driving TFTs for respectively driving gate lines of the active region, a GND region formed between the GIP region and the active region to be formed with a base voltage line for supplying base voltage to the organic luminescent elements of the active region, and a sealant region formed with a sealant for attaching an upper substrate to a lower substrate, and wherein the GND region includes out-gassing blocking holes.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: May 19, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Dong Choi, Sam-Min Ko
  • Patent number: 9034485
    Abstract: The present invention relates to compounds of the formula (1) and to the use thereof in organic electronic devices, and to organic electronic devices which comprise compounds of the formula (1), preferably as hole-transport materials and/or as emitting materials.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: May 19, 2015
    Assignee: Merck Patent GmbH
    Inventors: Arne Buesing, Holger Heil, Philipp Stoessel, Amir Hossain Parham, Rocco Fortte, Jonas Valentin Kroeber
  • Patent number: 9024521
    Abstract: Disclosed herein is an organic EL display device, including: a lower electrode provided every first organic EL element for a blue color and every second organic EL element for another color on a substrate; a hole injection/transport layer provided every first and second organic EL elements; a second organic light emitting layer for another color provided on said hole injection/transport layer for said second organic EL element; a connection layer made of a low-molecular material and provided over an entire surface of said hole injection/transport layer for said second organic light emitting layer and said first organic EL element; a first organic light emitting layer for a blue color provided over an entire surface of said connection layer; and an electron injection/transport layer and an upper electrode provided over an entire surface of said organic light emitting layer in order.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: May 5, 2015
    Assignee: Sony Corporation
    Inventors: Tadahiko Yoshinaga, Toshiki Matsumoto, Tomoyuki Higo
  • Patent number: 9017829
    Abstract: 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: Grant
    Filed: May 6, 2011
    Date of Patent: April 28, 2015
    Assignee: Doosan Corporation
    Inventors: Jin-Seok Hong, Eun Jung Lee, Shin Han Kim, Kyoung-Soo Kim
  • Patent number: 9012034
    Abstract: An organic electroluminescence element includes at least a light-emitting layer between a pair of electrodes, wherein the light-emitting layer is divided into at least three layers, an intermediate layer containing an electron blocking material or a hole blocking material is disposed between the divided light-emitting layers, an Ea value of the electron blocking material is smaller than an Ea value of a host material of the divided light-emitting layer adjacent on a cathode side or an Ip value of the hole blocking material is larger than an Ip value of a host material of the divided light-emitting layer adjacent on the anode side of the intermediate layer, and a difference of ?Ea or ?Ip is controlled to specific range.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: April 21, 2015
    Assignee: UDC Ireland Limited
    Inventors: Masaru Kinoshita, Manabu Tobise
  • Patent number: 9006967
    Abstract: An organic light-emitting display apparatus includes a plurality of pixels, each defined by a scan line, a data line, and a power supply line, a plurality of control lines branching off of one wire in a first direction and simultaneously transferring control signals to the plurality of pixels; and a plurality of repair bridges placed between neighboring ones of the plurality of control lines, each of the plurality of repair bridges including a first bridge connected to one of the neighboring ones of the plurality of control lines and a second bridge connected to another one of the neighboring control lines.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Seong-Jun Kim, Ga-Young Kim
  • Patent number: 9005777
    Abstract: A heterocyclic compound represented by Formula 1 below, and an organic light-emitting diode including the heterocyclic compound, and a flat display device including the organic light-emitting diode. wherein Ar1 to Ar4, X1, X2, Y1, Y2, L1, and m are defined as in the specification.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Jong-Hyuk Lee
  • Patent number: 9005779
    Abstract: Disclosed are a compound comprising a five-membered hetero ring, an organic electrical element using the same and a terminal thereof.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 14, 2015
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Junghwan Park, Daesung Kim, Heesun Ji, Soungyun Mun, Sunhee Lee, Bumsung Lee
  • Patent number: 9006968
    Abstract: A mounting substrate includes: a wiring substrate; and a plurality of optical elements mounted on a mounting surface of the wiring substrate, and each having a first electrode and a second electrode. The wiring substrate includes a support substrate, a plurality of first wires, and a plurality of second wires. The first wires and the second wires are provided within a layer between the support substrate and the mounting surface. The first wires are electrically connected with the first electrodes. The second wires are electrically connected with the second electrodes, and each have cross-sectional area larger than cross-sectional area of each of the first wires.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: April 14, 2015
    Assignee: Sony Corporation
    Inventors: Toshihiko Watanabe, Yoichi Ohshige, Masato Doi, Akiyoshi Aoyagi
  • Patent number: 9005775
    Abstract: A composition includes: (B) an arylamine derivative having at least one polymerizable group; and (A) a cyano group-free azo based polymerization initiator.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: April 14, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Naoyuki Hayashi, Ryo Nishio, Saki Takada
  • Patent number: 8999527
    Abstract: An electronic device employing a polymeric anode with high work function.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: April 7, 2015
    Assignee: Postech Academy-Industry Foundation
    Inventors: Tae-Woo Lee, Seong-Hoon Woo
  • Patent number: 8999528
    Abstract: A condensation compound is represented by Formula 1, 2, or 3 where R1 to R24 and A to F are further defined in the detailed description.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Yeon Kim, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, Sun-Young Lee, Ji-Youn Lee, Jin-Young Yun
  • Patent number: 8999526
    Abstract: An organic photoelectric device may include an anode and a cathode configured to face each other, and an active layer between the anode and cathode, wherein the active layer includes a quinacridone derivative and a thiophene derivative having a cyanovinyl group.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: April 7, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee Lee, Kyu Sik Kim, Kyung Bae Park, Dong-Seok Leem, Seon Jeong Lim
  • Patent number: 8999524
    Abstract: An organic light-emitting device includes a first electrode, a mixed organic layer, an emission layer, an electron transport layer, and a second electrode. The mixed organic layer contains a fluorene derivative and a pyrazine derivative, and the electron transport layer contains a lithium quinolate and a pyridine derivative.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Heon Kim, Tae-Shick Kim, Kwan-Hee Lee, Min-Seung Chun, Jung-Ha Son, Jae-Hyun Kwak, Mi-Kyung Kim, Choon-Woo Lim
  • Patent number: 8999530
    Abstract: The present invention provides a new compound and an organic electronic device using the same. The compound according to the present invention may serve as hole injection, hole transporting, electron injection and transporting, and light emitting materials and the like in an organic electronic device comprising an organic light emitting device, and the organic electronic device according to the present invention shows excellent properties in terms of efficiency, driving voltage and service life.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: April 7, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Changhwan Shin, Kongkyeom Kim, Dong Hoon Lee, Jungi Jang, Minseung Chun
  • Patent number: 8993130
    Abstract: The present invention discloses a novel organic compound is represented by the following formula(I), the organic EL device employing the organic compound as host material or dopant material of emitting layer and/or as electron transporting material can lower driving voltage, prolong half-lifetime and increase the efficiency. wherein m represent an integer of 0 to 10, n represent an integer of 0 to 2. X is a divalent bridge selected from the atom or group consisting from O, S, C(R5)2, N(R5), Si(R5)2. Ar, R1 to R4 are substituents and the same definition as described in the present invention.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: March 31, 2015
    Inventors: Feng-Wen Yen, Cheng-Hao Chang
  • Patent number: 8993123
    Abstract: The present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material in the emitting layer and/or as electron-transport material.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: March 31, 2015
    Assignee: Merck Patent GmbH
    Inventors: Arne Buesing, Holger Heil, Philipp Stoessel
  • Patent number: 8986857
    Abstract: Provided is a novel compound which can be used for a transport layer or as a host material or a light-emitting material in a light-emitting element and with which a high-performance light-emitting element can be manufactured. A dibenzo[c,g]carbazole compound in which an aryl group having 14 to 30 carbon atoms and including at least anthracene is bonded to nitrogen of a dibenzo[c,g]carbazole derivative is synthesized. By use of the dibenzo[c,g]carbazole compound, a light-emitting element having very good characteristics can be obtained.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: March 24, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki Suzuki, Satoshi Seo, Sachiko Kawakami, Tsunenori Suzuki
  • Patent number: 8986858
    Abstract: Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple configuration. This organic EL device comprises organic layers between an anode and a cathode piled one upon another on a substrate and at least one organic layer selected from a light-emitting layer, a hole-transporting layer, an electron-transporting layer, and a hole-blocking layer contains a carbazole compound represented by the following formula (1). In the case where the light-emitting layer of the organic electroluminescent device contains a phosphorescent dopant and a host material, it is the carbazole compound that is contained as the host material.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: March 24, 2015
    Assignee: Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Masashi Tada, Junya Ogawa, Takahiro Kai, Megumi Matsumoto, Yasuhisa Tsutsumi
  • Patent number: 8986852
    Abstract: The present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: March 24, 2015
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Arne Buesing, Holger Heil
  • Patent number: 8980443
    Abstract: Disclosed is an organic electroluminescent element which can be produced by a wet process, has improved laminated structure, and also has improved external quantum efficiency and an improved service life. The organic electroluminescent element comprises at least an anode; a cathode and a laminated structure intercalated between the anode and the cathode, all of which are arranged on a substrate, wherein the laminated structure has at least four layers formed by a wet process, and wherein the layers produced by the wet process include at least a hole injection layer, a hole transport layer and a light-emitting layer. The organic electroluminescent element is characterized in that the hole injection layer comprises an electrically conductive polymer, the hole transport layer comprises a polymeric compound having a repeating unit represented by general formula (1), and the polymeric compound has a weight average molecular weight of 50,000 to 200,000 in terms of polystyrene content.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: March 17, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kazutoshi Murota, Toshihiko Iwasaki
  • Patent number: 8980442
    Abstract: There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: March 17, 2015
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Nobuhiro Yabunouchi, Tomoki Kato, Takahiro Fujiyama, Yoshiyuki Totani
  • Patent number: 8976322
    Abstract: An Active Matrix Organic Light Emitting Diode (AMOLED) display and a method of controlling a display thereof are provided. The AMOLED display includes an input unit, a controller, a display unit for displaying a low power mode screen, by enabling the controller to turn off an AMOLED and to turn on a cholesteric Liquid Crystal Display (LCD) in a low power mode, and for displaying a high picture quality mode screen, by enabling the controller to turn on the AMOLED and to turn off the cholesteric LCD in a high picture quality mode. When used in an indoor environment, the AMOLED display can operate in the high picture quality mode, and when used in an outdoor environment or as an e-book reader, the AMOLED display can operate in the low power mode.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Hyun Kim, Dong Sub Kim
  • Patent number: 8975815
    Abstract: The invention relates to a method for making an electronic display device (1) having a screen (3) covered by a protection plate, and to a substrate (2) covered by said screen for obtaining such a device. The method comprises the following steps: a) applying glue (10) at the non cross-linked state substantially on the entire surface of the screen and/or the assembling surface (11a) of the plate (11) following a deposit on the screen connection area (5) of at least one organic layer (15) for protecting the connection area from the glue; applying the assembling surface against the screen via the glue; c) emitting a radiation through the plate for cross-linking the glue; and d) removing a portion of the plate covering the connection area so that the latter can be electrically accessible, the protection layer being removed from the connection area upon said removal or during a further surface processing step.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: March 10, 2015
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Christophe Prat, Tony Maindron
  • Patent number: 8970106
    Abstract: According to one aspect of the present invention, a laminated structure of conductive transparent oxide layers containing silicon or silicon oxide is applied as an electrode on the side of injecting a hole (a hole injection electrode; an anode) instead of the conventional conductive transparent oxide layer such as ITO. In addition, according to another aspect of the invention, a laminated structure of conductive transparent oxide layers containing silicon or silicon oxide, each of which content is different, is applied as a hole injection electrode. Preferably, silicon or a silicon oxide concentration of the conductive layer on the side where it is connected to a TFT ranges from 1 atomic % to 6 atomic % and a silicon or silicon oxide concentration on the side of a layer containing an organic compound ranges from 7 atomic % to 15 atomic %.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: March 3, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toru Takayama, Naoya Sakamoto, Kengo Akimoto, Keiji Sato, Tetsunori Maruyama
  • Patent number: 8969884
    Abstract: A thin film transistor element is formed in each of a first aperture and a second aperture defined by partition walls, which further define a third aperture that is adjacent to the first aperture with a gap therebetween and is located in a direction, from the first aperture, differing from a direction of the second aperture. In plan view, at a bottom portion of the first aperture, a center of area of a liquid-philic layer portion is offset from a center of area of the bottom portion in a direction differing from a direction of the third aperture, and at a bottom portion of one of the first and second apertures, a center of area of a liquid-philic layer portion is offset from a center of area of the bottom portion in a direction differing from a direction of the other one of the first and second apertures.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: March 3, 2015
    Assignee: Panasonic Corporation
    Inventors: Yuko Okumoto, Akihito Miyamoto, Takaaki Ukeda
  • Patent number: 8962160
    Abstract: The present invention discloses a novel material is represented by the following formula (A), the organic EL device employing the material as blue emitting layer can lower driving voltage, prolong half-lifetime and increase the efficiency. Wherein m represent an integer of 0 to 4, R1 and R2 are identical or different. R1 and R2 are independently selected from the group consisting of a hydrogen atom, alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms. R3 and R4 are identical or different, R3 and R4 are independently selected from the group consisting of hydrogen atom, a halide, a substituted or unsubstituted arylamine, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: February 24, 2015
    Assignee: Feng-Wen Yen
    Inventors: Feng-Wen Yen, Cheng-Hao Chang
  • Patent number: 8963414
    Abstract: According to one embodiment, an organic electroluminescent device includes first and second electrodes, an interconnection layer, an organic light emitting layer and a light scattering layer. The first electrode has includes first, second and third portions. The interconnection layer is electrically connected to the first electrode. The third portion overlays the interconnection layer when projected to the plane. The first and second portions do not overlay the interconnection layer. The second electrode overlays the second portion and does not overlay the first and the third portions. The organic light emitting layer is provided between the second portion and the second electrode. The second portion is disposed between the fourth portion of the light scattering layer and the second electrode. The fifth portion of the light scattering layer overlays the interconnection layer. The light scattering layer does not overlay the first portion when projected to the plane.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 24, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoaki Sawabe, Tomio Ono, Keiji Sugi, Shintaro Enomoto
  • Patent number: 8962157
    Abstract: Compounds of formula I may be used in optoelectronic devices wherein R1, R2 and R4 are, independently at each occurrence, H, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; R3 is H or a is, independently at each occurrence, 1 or 2; b is, independently at each occurrence, an integer ranging from 0-3; c is, independently at each occurrence, an integer ranging from 0-4; Ar is independently at each occurrence, H, or heteroaryl; and at least two of Ar are heteroaryl.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: February 24, 2015
    Assignee: General Electric Company
    Inventors: Qing Ye, Jie Liu, Kelly Scott Chichak, Yangang Liang
  • Patent number: 8963418
    Abstract: 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: Grant
    Filed: May 9, 2014
    Date of Patent: February 24, 2015
    Assignee: Sony Corporation
    Inventor: Kazuo Nakamura
  • Patent number: 8957574
    Abstract: The present invention relates to an organic electro-luminescence display device and a method for fabricating the same, in which damage to a pad portion is prevented for improving yield. The organic electro-luminescence display device includes a thin film transistor array unit formed on a front surface of a lower substrate and a pad portion extended from the thin film transistor array unit, an organic EL array unit on the thin film transistor array unit having a matrix of organic EL cells, and a protective member for protecting the organic EL array unit and the thin film transistor array unit and exposing the pad portion to an outside, wherein the lower substrate has a thickness of a first region overlapped with the pad portion thicker than a thickness of a second region overlapped with the thin film transistor array unit.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: February 17, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Young Lee, Tae-Yeon Yoo
  • Patent number: 8957442
    Abstract: A technique of manufacturing a display device with high productivity is provided. In addition, a high-definition display device with high color purity is provided. By adjusting the optical path length between an electrode having a reflective property and a light-emitting layer by the central wavelength of a wavelength range of light passing through a color filter layer, the high-definition display device with high color purity is provided without performing selective deposition of light-emitting layers. In a light-emitting element, a plurality of light-emitting layers emitting light of different colors are stacked. The closer the light-emitting layer is positioned to the electrode having a reflective property, the shorter the wavelength of light emitted from the light-emitting layer is.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: February 17, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Toshiki Sasaki, Nobuharu Ohsawa, Takahiro Ushikubo, Shunpei Yamazaki
  • Patent number: 8957578
    Abstract: An organic light emitting display device may include a substrate, a first electrode, a light emitting structure, a second electrode and a nanostructure. The first electrode may be disposed over the substrate. The light emitting structure may be disposed over the first electrode. The second electrode may be disposed over the light emitting structure. A plurality of nanoparticles may be disposed over the second electrode. The plurality of nanoparticles is capable of causing surface plasmon resonance by light. At least some of the plurality of nanoparticles have materials, sizes and shapes determined to cause surface plasmon resonance by light having a predetermined wavelength and emitted from the light emitting structure.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun-Shik Lee
  • Patent number: 8951647
    Abstract: The present invention relates to organic electroluminescent devices which comprise fluorene derivatives and spirobifluorene derivatives as matrix material for phosphorescent emitters.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: February 10, 2015
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Joachim Kaiser, Anja Gerhard, Jonas Valentin Kroeber
  • Patent number: 8951645
    Abstract: A stacked organic light emitting device that includes an anode connected to an external power source, a cathode connected to the external power source, at least two light emitting sections aligned between the anode and the cathode, including a light emitting layer, and an internal electrode aligned between the light emitting sections. The internal electrode is a single-layered internal electrode which is made from one selected from the group consisting of a metal, alloys of the metal, and metal oxides thereof, having a work function below 4.5 eV, each light emitting section includes an organic material layer containing an organic material having an electron affinity above 4 eV, and the organic material layer is formed between the light emitting layer of the light emitting section and the electrode facing the anode connected to the external power source in two electrodes which make contact with the light emitting section.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: February 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Ji Weon Jeong, Young Chul Lee, Jeoung Kwen Noh, Yun Hye Hahm, Dong Seob Jeong, Jun Gi Jang
  • Patent number: 8945724
    Abstract: A novel nitrogen-containing heterocyclic derivative having a specific structure. An organic electroluminescence device comprises an organic thin-film layer which is disposed between a cathode and an anode and comprises one or more layers having a light emitting layer. At least one layer of the organic thin-film layer comprises the nitrogen-containing heterocyclic derivative. The organic electroluminescence device exhibits a high luminance and a high luminous efficiency even at a low driving voltage.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: February 3, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hiroshi Yamamoto, Takashi Arakane
  • Patent number: 8945728
    Abstract: The invention provides an organic compound incorporating a specific structure into a pyridine skeleton or a 1,3,5-triazine skeleton and adapting the molecular weight to a specific range, a composition comprising the organic compound and a solvent, organic electroluminescent element comprising a layer that is formed by using the composition, and the uses thereof.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: February 3, 2015
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Koichi Ishibashi, Hideki Gorohmaru, Wataru Shimizu, Tomomi Okamoto
  • Patent number: 8946733
    Abstract: An organic light-emitting display apparatus that improves image quality characteristics, the organic light-emitting display apparatus including: a substrate; a first electrode formed on the substrate; a pixel-defining layer (PDL) formed on the first electrode to expose a set or predetermined region of the first electrode; an intermediate layer formed in the exposed predetermined region of the first electrode and including an organic emission layer; and a second electrode having a light-scattering face facing the substrate or facing oppositely away from the substrate, the second electrode being disposed on the intermediate layer.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Min-Soo Kim, Kyong-Tae Park, Byoung-Seong Jeong, Jang-Seok Ma
  • Patent number: 8946730
    Abstract: In a thin film transistor device, partition walls define first, second, and third apertures. In plan view, at a bottom portion of the first aperture, a center of a total of areas of a source electrode portion and a drain electrode portion is offset from a center of area of the bottom portion in a direction differing from a direction of the third aperture, and at a bottom portion of one of the first and second apertures, a center a total of areas of a source electrode portion and a drain electrode portion is offset from a center of area of the bottom portion in a direction differing from a direction of the other one of the first and second apertures.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: February 3, 2015
    Assignee: Panasonic Corporation
    Inventors: Yuko Okumoto, Akihito Miyamoto, Takaaki Ukeda
  • Patent number: 8940407
    Abstract: The present invention relates to the improvement of organic electronic devices, in particular electroluminescent devices, by using compounds which can have a plurality of isomers, where one of these isomers is present in excess.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: January 27, 2015
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Esther Breuning, Horst Vestweber, Holger Heil
  • Patent number: 8940416
    Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; ? represents a substituted or unsubstituted naphthyl group; ? represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: January 27, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Osaka, Takahiro Ushikubo, Nobuharu Ohsawa, Satoshi Seo, Tsunenori Suzuki
  • Patent number: 8940412
    Abstract: An organic electroluminescence device and a material for producing the organic electroluminescence device. The organic electroluminescence device includes an organic thin film layer between a cathode and an anode, the organic thin film layer including one or more layers, in which the organic thin film layer includes one or more light emitting layers and at least one of the light emitting layers includes a phosphorescent material and a host material. The host material has an essential structure in which a naphthalene ring is bonded to a fluorene skeleton, dibenzofuran skeleton, or dibenzothiophene skeleton. The organic electroluminescence device is a phosphorescent device having high efficiency and long lifetime.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: January 27, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yoriyuki Takashima, Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Mitsunori Ito
  • Patent number: 8932735
    Abstract: An aromatic amine derivative represented by the following formula (1): wherein A1 is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group or an organic group represented by the following formula (2): wherein X1, X2 and X3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; X1 and X2 are linkage groups which are different from each other; and B1, B2 and B3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: January 13, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yumiko Mizuki, Masakazu Funahashi
  • Patent number: 8932734
    Abstract: Compounds comprising a 3,9-linked oligocarbazole moiety and a dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-dibenzothiophene, aza-dibenzofuran, or aza-dibenzoselenophene are provided. The 3,9-linked oligocarbazole and dibenzo or aza-dibenzo moiety are separated by an aromatic spacer. The compounds may be used as non-emissive materials for phosphorescent OLEDs to provide devise having improved performance.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: January 13, 2015
    Assignee: Universal Display Corporation
    Inventor: Alexey Dyatkin
  • Patent number: 8933623
    Abstract: An organic EL device includes a substrate, an organic EL element that is formed on the substrate and is provided with a first electrode, a light emitting functional layer, and a second electrode having transparent conductivity to emit light to the second electrode side, a color filter that is formed on the second electrode side in a pixel area where the organic EL element emits the light, and a partition that is formed in a light shielding area that is an area other than the pixel area. The color filter is provided with any one of a red color filter, a green color filter, and a blue color filter. At least one color filter of the three color filters constitutes at least a part of the partition.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: January 13, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Yuki Hanamura, Shinichi Iwata, Masanori Iwasaki, Daisuke Nishioka
  • Patent number: 8927114
    Abstract: A layer included in an electroluminescent element is required to be thickened to optimize light extraction efficiency of the electroluminescent element and to prevent short-circuit between electrodes. However, in a conventional element material, desired light extraction efficiency cannot be accomplished since drive voltage rises or power consumption is increased as the element material is thickened. A composite is formed by mixing a conjugated molecule having low ionization potential and a substance having an electron-accepting property to the conjugated molecule. A composite layer included in an element is formed using the composite as an element material. The composite layer is arranged between a first electrode and a light emitting layer or between a second electrode and a light emitting layer. The composite layer has high conductivity; therefore, drive voltage does not rise even if a film thickness is increased.
    Type: Grant
    Filed: November 24, 2005
    Date of Patent: January 6, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryoji Nomura, Satoshi Seo, Hiroko Abe, Takako Takasu, Hideko Inoue, Hisao Ikeda, Daisuke Kumaki, Junichiro Sakata
  • Patent number: 8929978
    Abstract: 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 Ring system 1, Ring system 2, Ring system 3, or Ring system 4. Methods of treating disease with phototherapy are also described.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: January 6, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Sazzadur Rahman Khan, Shijun Zheng, Amane Mochizuki, Liping Ma