Organic Solid State Devices, Processes Or Apparatus Peculiar To Manufacture Or Treatment Of Such Devices Or Of Parts Thereof Patents (Class 257/E51.001)
  • Patent number: 10756159
    Abstract: Display panel and display device are provided. The display panel includes a notch region, a display region, a frame region surrounding the display region, and a first base plate. The frame region includes a first frame region and a second frame region opposite to each other. A portion of the first frame region recesses toward the display region to form the notch region. The first base plate includes an anode power bus, an anode power connection part, and anode power connection wires. The anode power wires are disposed in the display region and include first anode power wires extending along a second direction perpendicular to the first direction. At least a portion of the anode power bus is disposed in the first frame region. The anode power connection part includes a first anode power connection part to connect the anode power bus to the first anode power wires.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: August 25, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jiachang Gu, Shanfu Yuan, Tao Peng
  • Patent number: 10685203
    Abstract: The present invention relates to a high-performance film-type touch sensor that has a low sheet resistance and can have a high resolution, a large area, and a small thickness, and a method of fabricating the same. In the high-performance film-type touch sensor which is peeled off from a substrate and to which a base film is bonded, at least a separation layer, an electrode pattern layer, and a protection layer are sequentially stacked on the base film, and one or more of first and second electrode patterns arranged in different directions on the separation layer are formed of a plurality of conductive layers to reduce sheet resistance.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: June 16, 2020
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Yong Seok Choi, Seung Kook Kim, Ju In Yoon, Soo Ho Cho
  • Patent number: 10315169
    Abstract: Disclosed are fouling resistant filtration membranes comprising a polymeric thin-film membrane comprising a surface. Also disclosed are methods of modifying thin-film filtration membranes, thereby improving, for example, the anti-fouling properties of the membranes. Also disclosed are methods of purifying water using the disclosed membranes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: June 11, 2019
    Assignee: The Regents of the University of California
    Inventors: Eric M. V. Hoek, Richard B. Kaner, Brian T. McVerry
  • Patent number: 9040962
    Abstract: A combination of host materials suitable for co-evaporation or premix evaporation, and devices containing the combination of host materials are provided. The combination of host materials provides improved lifetime and efficiency. A method for fabricating devices containing the host material combination is also provided.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: May 26, 2015
    Assignees: Universal Display Corporation, Nippon Steel & Sumikin Chemical Co., Ltd.
    Inventors: Vadim Adamovich, Michael Weaver, Raymond Kwong, Chuanjun Xia, Bert Alleyne, Takahiro Kai, Masaki Komori, Toshihiro Yamamoto
  • Patent number: 9035289
    Abstract: A nonvolatile memory device includes a first conductive unit, a second conductive unit, and a storage layer. The first conductive unit has a first work function. The second conductive unit has a second work function smaller than the first work function. The storage layer is provided between the first conductive unit and the second conductive unit. The storage layer is made using a source material including an aromatic diamine molecule and an aromatic tetracarboxylic dianhydride molecule. An ionization potential of the aromatic diamine molecule is greater than the first work function. An electron affinity of the aromatic tetracarboxylic dianhydride molecule is less than the second work function.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 19, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Katsuyuki Naito, Shinya Aoki
  • Patent number: 9029844
    Abstract: An organic light emitting diode display and a method of manufacturing the same, the display including a substrate; a plurality of thin film transistors on the substrate; a protective film covering the plurality of thin film transistors; a pixel electrode on the protective film; a pixel defining film on the protective film, the pixel defining film having an opening exposing the pixel electrode; an organic emission layer on the pixel electrode and the pixel defining film; and a common electrode covering the organic emission layer, wherein a cross-section of an opening sidewall of the opening in the pixel defining film has a rounded shape.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Ho Choi, Yang-Wan Kim
  • Patent number: 9024301
    Abstract: Provided is an organic luminescent medium containing a specific diaminopyrene derivative and a specific anthracene derivative. Also provided are an organic electroluminescence device capable of emitting light having a short wavelength (such as blue light) with high luminous efficiency and having a long lifetime by having such constitution that the organic EL device contains one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the organic luminescent medium, and an organic luminescent medium that can be used in an organic thin film layer of the organic EL device.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: May 5, 2015
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masahiro Kawamura, Masakazu Funahashi, Mitsunori Ito
  • Patent number: 9024307
    Abstract: An organic light-emitting display device includes a plurality of anodes and an auxiliary electrode disposed on the substrate. The auxiliary electrode is separated from the plurality of the anodes. The organic light-emitting display device further includes an organic layer disposed on the plurality of the anodes, an opening penetrating the organic layer to expose the auxiliary electrode, and a cathode disposed on the organic layer and the exposed auxiliary electrode. The cathode is electrically connected to the auxiliary electrode. The opening has a first width at a proximal end and a second width at a distal end. The distal end is closer to the auxiliary electrode than the proximal end. The first width is smaller than the second width.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Kwan Hee Lee
  • Patent number: 9018036
    Abstract: A method of forming patterns on a substrate, the method including: placing a mask having an opening defining a portion of one surface of a substrate on which patterns are to be formed on the substrate; forming a first modification layer in the opening by ejecting a surface modification ink onto a surface of the substrate through the opening; ejecting a target ink having droplets of sizes larger than those of a surface modification ink such that the target ink is distributed on the first modification layer in the opening; and removing the mask.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joong-hyuk Kim, Sung-gyu Kang, Seung-ho Lee, Jae-woo Chung, Young-ki Hong
  • Patent number: 9012899
    Abstract: This invention relates to electroluminescent metal complexes of the formula (I) wherein the ring A, represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1 or 2, m2 is an integer 0 or 1, M1 is a metal with an atomic weight of greater than 40, L3 is a monodentate ligand or a bidentate ligand, Y is —C(?O)— or —C(X1)2—, wherein X1 is hydrogen or C1-4alkyl, especially hydrogen and y is 0 or 1, especially 0; a process for their preparation, electronic devices comprising the me
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: April 21, 2015
    Assignee: BASF SE
    Inventors: Roger Pretot, Paul Adriaan Van Der Schaaf, Jemima Schmidt, Beat Schmidhalter, Thomas Schafer, Bernd Lamatsch
  • Patent number: 9006716
    Abstract: The invention relates to novel metal-organic materials for hole injection layers in organic electronic components. For example, in light-emitting components such as organic light diodes (OLED) or organic light-emitting electrochemical cells (OLEEC) or organic field effect transistors or organic solar cells or organic photo detectors. Luminescence (cd/m2), efficiency (cd/A), and service life (h) of organic electronic components such as from organic light diodes in particular are highly dependent on the exciton thickness in the light-emitting layer and on the quality of the charge carrier injection and are also limited by same, among other things. The invention relates to a hole injection layer consisting of quadratic planar mononuclear transition metal complexes such as copper 2+ complexes, for example, which are embedded into a hole-conducting matrix.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: April 14, 2015
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: David Hartmann, Sabine Szyszkowski, Andreas Kanitz, Anna Maltenberger, Wiebke Sarfert, Guenter Schmid, Jan Hauke Wemken
  • Patent number: 9006717
    Abstract: An organic light-emitting display apparatus includes a substrate, a plurality of organic light-emitting diodes on the substrate, and a plurality of capacitors located next to at least one side of one of the organic light-emitting diodes. The capacitors are arranged inside trenches within the substrate.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ho Kim, Jong-Moo Huh, Hye-Dong Kim
  • Patent number: 9000423
    Abstract: Methods and compositions to improve the performance of single-component polymer FETs is provided comprising processing a conjugated polymer in the presence of a processing additive. Also provided is a FET device fabricated with a processing additive. Such devices have increased saturation hole and/or electron mobility compared to a control FETs.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: April 7, 2015
    Assignee: The Regents of the University of California
    Inventors: Guillermo C. Bazan, Thuc-Quyen Nguyen, Lei Ying, Peter Zalar, Yuan Zhang
  • Patent number: 9000418
    Abstract: A field-effect transistor includes a semiconductor layer (14) having a portion functioning as a channel region. The semiconductor layer (14) includes, as its constituent components, a plurality of electrically conductive microparticles (52), organic semiconductor molecules (53) bonded to the microparticles (52) so as to link the microparticles to one another (52), and cyclic molecules. Each of the organic semiconductor molecules (53) includes a ?-electron conjugated chain as its main chain, and the ?-electron conjugated chain is insulated by cyclic molecules.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: April 7, 2015
    Assignee: Panasonic Corporation
    Inventors: Takayuki Takeuchi, Kenji Harada, Nobuaki Kambe, Jun Terao
  • Patent number: 8987710
    Abstract: Disclosed are thin film transistor devices incorporating a thin film semiconductor derived from carbonaceous nanomaterials and a dielectric layer composed of an organic-inorganic hybrid self-assembled multilayer.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: March 24, 2015
    Assignee: Polyera Corporation
    Inventors: Yu Xia, He Yan, Antonio Facchetti
  • Patent number: 8987726
    Abstract: Provided is a high-luminance, long-life laminated organic electroluminescent element. The organic electroluminescent element has a composition in which a plurality of light-emitting units, including at least one organic light-emitting layer, are laminated between a positive electrode and a negative electrode, and in which a linking layer is held between the respective light-emitting units. The linking layer is formed by laminating, in succession from the positive electrode side, an electron generating/transport section, an intermediate layer, and a hole generating/transport section, which contain at least one metal selected from a group consisting of an alkali metal, alkaline earth metal, rare earth metal, alloy of these metals, and compound of these metals. Preferably the intermediate layer contains an electrical insulating non-semiconductive substance having a specific resistance which is between 1.0×102 ?·cm and 1.0×109 ?·cm.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: March 24, 2015
    Assignee: Kaneka Corporation
    Inventors: Naomi Nagai, Masami Nishida, Nobuhito Miura, Toshio Matsumoto, Hirotaka Umezaki
  • Patent number: 8987713
    Abstract: The invention relates, inter alia, to an arrangement (10) for generating electromagnetic radiation, wherein the arrangement comprises inorganic semiconductor material and organic material (130), characterized by a semiconductor cylinder (30, 40) composed of inorganic semiconductor material and a charge carrier injection zone (50) situated in the semiconductor cylinder, wherein the charge carrier injection zone adjoins the lateral surface (110) of the semiconductor cylinder, the organic material (130) is suitable for emitting electromagnetic radiation in the case of a charge carrier recombination, and the organic material bears indirectly or directly on that section of the lateral surface of the semiconductor cylinder which is adjoined by the charge carrier injection zone and electron-hole pairs from the charge carrier injection zone of the semiconductor cylinder can enter into the organic material, and excite there the emission of electromagnetic radiation by recombination.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: March 24, 2015
    Assignees: Humboldt-Universitat Zu Berlin, Forschungsverbund Berlin E.V.
    Inventors: Fritz Henneberger, Henning Riechert, Norbert Koch
  • Patent number: 8981358
    Abstract: An organic insulating layer composition includes a polymer mixture including 50 parts to 90 parts by volume of an organic polymer and 10 parts to 50 parts by volume of an amorphous polymer, wherein the organic polymer includes at least a first repeating unit and a second repeating unit, the first and second repeating units each being substituted with at least one of fluorine or chlorine, a total number of fluorine and chlorine atoms in the first repeating unit being different from a total number of fluorine and chlorine atoms in the second repeating unit, and an organic solvent.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: March 17, 2015
    Assignees: Samsung Display Co., Ltd., Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Joon-Hyuk Cho, Yong-Young Noh, Kang-Jun Baeg
  • Patent number: 8981353
    Abstract: The present invention relates to a polymer memory device and to a production method for the same, and relates to a novel photocrosslinkable polymer compound able to be used in a polymer memory device, to a novel non-volatile memory device in which an active layer between an upper electrode and a lower electrode comprises a photocrosslinkable polyimide polymer, and to a production method for the same. In the polymer memory device, the photocrosslinkable polyimide polymer is used as an active layer.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: March 17, 2015
    Assignee: Postech Academy-Industry Foundation
    Inventors: Moonhor Ree, Samdae Park, Suk Gyu Ham, Jin Chul Kim, Yong-gi Ko, Jun Man Choi, Taek Joon Lee, Dong Min Kim, Kyungtae Kim, Wonsang Kwon
  • Patent number: 8981354
    Abstract: Light-emitting and/or charge transporting polymers, methods of making the same, and organic light emitting devices comprising such polymers, the polymers comprising a repeat unit of formula (I): —(Ar)q-Sp-CT-Sp-(Ar)q—??(I) in which CT represents a conjugated charge-transporting group, each Ar independently represents an optionally substituted aryl or heteroaryl group, q is at least 1, and each Sp independently represents a spacer group forming a break in conjugation between Ar and CT.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: March 17, 2015
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Annette Steudel, Richard Owoare
  • Patent number: 8975620
    Abstract: An organic semiconductor device includes a carrier, a source, a drain, an organic semiconductor single-crystalline channel layer, an organic insulation layer and a gate. The source and the drain are disposed on an upper surface of the carrier. The source and the drain are disposed in parallel and a portion of the carrier is exposed between the source and the drain. The organic semiconductor single-crystalline channel layer is disposed on the upper surface of the carrier and covers a portion of the source, a portion of the drain and the portion of the carrier exposed by the source and the drain. The organic insulation layer covers the carrier, the source, the drain and the organic semiconductor single-crystalline channel layer. The gate is disposed on the organic insulation layer and corresponds to a position of the portion of the carrier exposed by the source and the drain.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: March 10, 2015
    Assignee: E Ink Holdings Inc.
    Inventors: Wei-Chou Lan, Hsing-Yi Wu, Ted-Hong Shinn
  • Patent number: 8969114
    Abstract: A method of manufacturing an organic light emitting display apparatus, the method includes loading a substrate on a moving unit, determining an angle formed between a side of the substrate and an opening in a patterning slit sheet, rotating the patterning slit sheet by two X motors so that the side of the substrate and the opening in a patterning slit sheet extend along the same direction and forming a layer on the substrate while conveying the substrate on the moving unit in the first direction in a chamber. The patterning slit sheet moves along a direction perpendicular to the first direction during the forming the layer on the substrate so that a deposition layer having a linear pattern that extends along the first direction is formed on the substrate.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Joo-Nyung Jang
  • Patent number: 8969856
    Abstract: Optoelectronic devices that have enhanced internal outcoupling are disclosed. The devices include a substrate, an anode, a cathode, an electroluminescent layer, and a hole injecting layer. The hole injecting layer includes inorganic nanoparticles that have a bimodal particle size distribution and which are dispersed in an organic matrix.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 3, 2015
    Assignee: General Electric Company
    Inventors: Jie Jerry Liu, Srinivas Prasad Sista, Xiaolei Shi, Ri-An Zhao, Kelly Scott Chichak, Jeffrey Michael Youmans, Kevin Henry Janora, Larry Gene Turner
  • Patent number: 8963132
    Abstract: Methods for fabricating a solution-processed OLED are provided. The methods include depositing an organic layer comprising mixture of an organic electron acceptor and an organic electron donor to form a layer that is insoluble to a non-polar solvent. Devices containing the organic layer may demonstrate improved lifetime and have a lower operating voltage while maintaining good luminous efficiency.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: February 24, 2015
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Kwang Ohk Cheon
  • Patent number: 8963140
    Abstract: The present disclosure is for improved organic semiconductors and improved organic photovoltaics. Liquid crystalline bent-core molecules in the B4 subphase of the present disclosure may be incorporated into improved organic semiconductors. Liquid crystalline bent-core molecules in the B4 subphase of the present disclosure may be incorporated into improved organic photovoltaics that may have improved quantum efficiencies over pre-existing organic photovoltaics.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: February 24, 2015
    Assignee: The Regents of the University of Colorado
    Inventor: David M. Walba
  • Patent number: 8963134
    Abstract: The present invention provides a display panel and a method for manufacturing the same. The display panel comprises a substrate, pixels, active elements and storage capacitors, and the active elements and storage capacitors are disposed in the pixels. Each of the storage capacitors includes a first storage electrode and a second storage electrode, and the second storage electrode is disposed in a recess of an insulating layer and positioned to the first storage electrode. In the method for manufacturing the display panel, portions of the insulating layer are removed to form the recesses positioned to the first storage electrodes. The present invention can increase the aperture ratio of the pixels.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: February 24, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yawei Liu
  • Patent number: 8963133
    Abstract: Provided is an organic electroluminescent element that achieves increased emission intensity in the front direction of the organic electroluminescent element without reducing the size of the light-emitting region thereof.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: February 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koji Ishizuya
  • Patent number: 8952367
    Abstract: Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: February 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Masanori Seki, Takeshi Sekiguchi, Yosuke Nishide, Akihito Saitoh
  • Patent number: 8952361
    Abstract: Various embodiments are provided for semiconductor devices including an electrically percolating source layer and methods of fabricating the same. In one embodiment, a semiconductor device includes a gate layer, a dielectric layer, a memory layer, a source layer, a semiconducting channel layer, and a drain layer. The source layer is electrically percolating and perforated. The semiconducting channel layer is in contact with the source layer and the memory layer. The source layer and the semiconducting channel layer form a gate voltage tunable charge injection barrier.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: February 10, 2015
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Andrew Gabriel Rinzler, Bo Liu, Mitchell Austin McCarthy
  • Patent number: 8946686
    Abstract: An organic EL display device (10) includes: an insulating substrate (20); a first planarizing film (21) formed on the insulating substrate (20) and made of a resin; a first electrode (13) formed on the first planarizing film (21); an organic EL layer (17) formed on the first electrode (13); a second electrode (14) formed on the organic EL layer (17); and a second planarizing film (22) formed between the first electrode (13) and the first planarizing film (21), and covering the first planarizing film (21). The second planarizing film (22) is made of a resin having a lower hygroscopic property than the resin forming the first planarizing film (21).
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: February 3, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Sugimoto, Tohru Sonoda
  • Patent number: 8946711
    Abstract: An organic light-emitting display device including: a substrate; a plurality of pixels each including a first electrode, a second electrode, and an organic emission layer interposed between the first electrode and the second electrode; and a black matrix-containing neutral density (ND) film formed in a direction in which light is emitted from the plurality of pixels.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jang-Seok Ma
  • Patent number: 8946697
    Abstract: Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. Iridium complexes containing aza-benzo fused ligands in which an aryl group is conjugated to the aza ring of the specific aza-dibenzofuran ring system results in the formation of yellow phosphorescent compounds with superior device stability and efficiency. These complexes are useful as light emitters when incorporated into OLEDs.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: February 3, 2015
    Assignee: Universal Display Corporation
    Inventors: Bin Ma, Edward Barron, Alan DeAngelis, Walter Yeager, Chuanjun Xia, Kwang-Ohk Cheon, Scott Beers, Michael S. Weaver
  • Patent number: 8946672
    Abstract: A resistance changing element according to the present invention comprises a first electrode (101) and a second electrode (103); and an ion conducting layer (102) that is formed between the first electrode (101) and the second electrode (103) and that contains at least oxygen and carbon.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: February 3, 2015
    Assignee: NEC Corporation
    Inventors: Munehiro Tada, Koichiro Okamoto, Toshitsugu Sakamoto, Hiromitsu Hada
  • Patent number: 8946694
    Abstract: An organic light emitting display device includes a substrate, a light emitting diode disposed on the substrate, and a balance electrode insulated from the light emitting diode and from each of the first and second electrodes. The light emitting diode includes a first electrode, a second electrode facing the first electrode, and an organic light emitting layer disposed between the first electrode and the second electrode. The balance electrode maintains a hole-electron charge balance within the organic light emitting layer by varying the amount of electrons and holes that are injected into the organic light emitting layer from the first and second electrodes by varying an electric potential applied to the balance electrode.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiseo Kim, Daesung Choi
  • Patent number: 8941099
    Abstract: The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the formula (A-I): formula (A-1) wherein R1 and R2 each represent independently a substituted or unsubstituted alkyl group having from 1 to about 5 carbon atoms; Ar1 represents a divalent residue of a benzene ring, a naphthalene ring, a chrysene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzo[a]triphenylene ring, a benzochrysene ring, a fluoranthene ring, a benzo[b]fluoranthene ring or picene ring; and Ar2 represents a monovalent residue of a naphthalene ring, a chrysene ring,
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: January 27, 2015
    Assignees: Universal Display Corporation, Idemitsu Kosan Co., Ltd.
    Inventors: Hitoshi Yamamoto, Michael S. Weaver, Julia J. Brown, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Toshinari Ogiwara
  • Patent number: 8937333
    Abstract: A white organic light-emitting diode (WOLED) includes a transparent electrode, a blue-complementary light-emitting layer, a translucent electrode, a blue light-emitting layer, and a non-transparent electrode. The blue-complementary light-emitting layer is disposed on the transparent electrode. The transparent electrode and the translucent electrode include a first voltage. The blue light-emitting layer is disposed on the translucent layer. The non-transparent electrode is disposed on the blue light-emitting layer. The translucent electrode and the non-transparent electrode include a second voltage.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: January 20, 2015
    Assignee: AU Optronics Corp.
    Inventors: Chun-Liang Lin, Chieh-Wei Chen, Chung-Chun Lee
  • Patent number: 8921844
    Abstract: An optoelectronic materials for OLED is represented by formula (I): wherein R1 is selected from a group consisting of formulas (II)-(VI): wherein R2 and R3 are identical and selected from a group consisting of formula (VII) and formula (VIII): The optoelectronic materials possesses superior luminescent performance and thermal stability and is suitable to be a new type of ambipolar materials for OLED elements.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: December 30, 2014
    Assignee: National Tsing Hua University
    Inventors: Chien-Tien Chen, Wei-Shan Chao, Hao-Wei Liu, Wei-Sheng Su
  • Patent number: 8921836
    Abstract: An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Ar1 and Ar2 are each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 30, 2014
    Assignees: Sumitomo Chemical Company, Limited, National University of Corporation Hiroshima University
    Inventors: Kazuo Takimiya, Itaru Osaka, Kenji Kohiro, Kenichiro Ohya, Kunihito Miyake
  • Patent number: 8921845
    Abstract: A method for producing an organic light emitting diode (OLED) unit includes: (a) forming an electrode pad on a substrate; (b) forming an insulating layer to cover and to partially expose the electrode pad; (c) forming an electrically conductive oxide layer on the insulating layer in such a manner that the exposed electrode pad is covered by and electrically coupled to the electrically conductive oxide layer; and (d) forming an organic illuminating multilayer structure on the substrate, the organic illuminating multilayer structure including an inner electrode that is electrically coupled to the electrode pad.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: December 30, 2014
    Assignee: Ultimate Image Corporation
    Inventor: Chih-Feng Sung
  • Patent number: 8916406
    Abstract: Disclosed is an organic electroluminescence device which can be stably produced by a wet process and exhibits enhanced external quantum efficiency and reduced coating unevenness and a production method thereof. Specifically, disclosed is a method of producing the organic electroluminescence device comprising at least a layer, which is formed by a wet process comprising of coating a solution of an organic material dissolved in a solvent to form a liquid layer, followed by removal of the solvent by blowing air to form the layer, wherein the relative drying rate of the solvent to butyl acetate is from 1 to 1000, (based on the drying rate of butyl acetate being 100), the thickness of the formed liquid layer is from 1 to 100 ?m, a air-blowing rate is from 0.1 to 5 m/s and the time between completion of coating and start of blowing is from 0 to 60 sec.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: December 23, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Wataru Ishikawa, Tadashi Sekiguchi
  • Patent number: 8916855
    Abstract: An organic light-emitting display apparatus includes a thin film transistor having an active layer, a gate electrode, and source and drain electrodes, an organic light-emitting device having a pixel electrode connected to the thin film transistor, an intermediate layer including an emissive layer, and an opposite electrode, and an opposite electrode contact portion having a joining region and an insulating region. The opposite electrode and a power interconnection line contact each other in the joining region. An insulating layer is interposed between the opposite electrode and the power interconnection line in the insulating region, and a portion of the insulating layer penetrates into the power interconnection line in the insulating region.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: December 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Park, Yul-Kyu Lee, Kyu-Sik Cho, Ji-Hoon Song
  • Patent number: 8901543
    Abstract: An organic semiconductor device which has an organic semiconductor layer formed by crystallizing a compound represented by the following formula (1) from a solution of the compound: wherein X1, X2 and X3 represent O, S, Se or Te; at least one of R1, R2, R3 and R4 represents a group that has both an aromatic ring to form a ?-conjugated system with the skeleton to which it bonds, and a chainlike structure in which the number of the carbon atoms constituting the main chain is from 4 to 20, and the remaining ones represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 2, 2014
    Assignee: Kyushu University National University Corporation
    Inventors: Chihaya Adachi, Takuma Yasuda, Yang Yu Seok, Hayato Kakizoe, Hiroyuki Mieno
  • Patent number: 8901549
    Abstract: The present invention provides an organic light emitting diode touch display panel including a substrate, a plurality of first electrodes and a plurality of second electrodes disposed on the substrate, a plurality of light emitting layers, a plurality of dielectric layers, a plurality of first electrode stripes, and a plurality of second stripes. Each light emitting layer is disposed on each first electrode, and each dielectric layer is disposed on each second electrode. Each first electrode stripe is disposed on the light emitting layers in each row, and each second electrode stripe is disposed on the dielectric layers in each row. Each first electrode, each light emitting layer and each first electrode stripe form an organic light emitting diode, and each second electrode, each dielectric layer and each second electrode stripe form a touch sensing capacitor.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: December 2, 2014
    Assignee: HannStar Display Corp.
    Inventors: Chien-Hsiang Huang, Kun-Hua Tsai, Jun-Shih Chung, Chun-Hsi Chen
  • Patent number: 8895966
    Abstract: Provided is a material for an organic electroluminescence device, which further has a bulky carbazolyl group at each of the 3-position and 6-position of its central carbazole skeleton, and which has a dibenzofuran skeleton or a dibenzothiophene skeleton at the N atom of the central carbazole skeleton through a linking group as required. Also provided is an organic electroluminescence device, including one or more organic thin film layers including a light emitting layer between a cathode and an anode, in which at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: November 25, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masaki Numata, Hideaki Nagashima
  • Patent number: 8890123
    Abstract: A thin film transistor has a semiconducting layer comprising a polythiophene and carbon nanotubes. The semiconducting layer exhibits high mobility and high current on/off ratio.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co. Ltd.
    Inventor: Yiliang Wu
  • Patent number: 8890127
    Abstract: Provided is a light-emitting module from which light with uniform brightness can be extracted. Further, provided is a beautiful light-emitting module in which Newton's rings are not observed. The light-emitting module includes a first substrate, a light-emitting element formed on one surface side of the first substrate, a second substrate, a conductive spacer maintaining the gap between the first substrate and the second substrate, and a space in which the light-emitting element is sealed between the first substrate and the second substrate. Further, the pressure in the space is lower than or equal to the atmospheric pressure. Furthermore, the conductive spacer is electrically connected to the second electrode in a position overlapping with a partition provided over the first substrate so as to reduce a voltage drop occurring in the second electrode.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: November 18, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takashi Hamada
  • Patent number: 8890126
    Abstract: A compound for an optoelectronic device, an organic light emitting diode, and a display device, the compound for an optoelectronic device being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: November 18, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Dong-Wan Ryu, Sung-Hyun Jung, Dal-Ho Huh, Kyoung-Mi Lee, Nam-Heon Lee, Mi-Young Chae
  • Patent number: 8890125
    Abstract: A display apparatus includes a plurality of first wirings extending in a first direction and a plurality of second wirings extending in a second direction crossing the first direction. Differing first identification patterns are present on the plurality of corresponding first wirings to identify the plurality of first wirings, and differing second identification patterns are present on the plurality of corresponding second wirings to identify the plurality of second wirings.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang-Hai Jin, Dong-Gyu Kim, Kwan-Wook Jung, Seong-Jun Kim, Moo-Jin Kim, Oh-Seob Kwon
  • Patent number: 8884274
    Abstract: A device for achieving reduced driving voltage and enhanced color stability under high luminance conditions includes an anode and cathode arranged on a substrate to be opposite each other, a charge generation layer between the anode and the cathode, a first stack formed between the anode and the charge generation layer and including a first light emitting layer, and a second stack formed between the charge generation layer and the cathode and including a second light emitting layer in which first and second hosts are doped with phosphorescent dopant, a HOMO level of the first host is greater than that of the second host, and a LUMO level of the first host is greater than an LUMO level of the second host.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: November 11, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Mi-Young Han, Chang-Je Sung, Youn-Seok Kam, Shin-Han Kim
  • Patent number: 8884275
    Abstract: An organic light-emitting apparatus includes a thin film transistor (TFT) including an active layer, a gate electrode, and source and drain electrodes, an organic light-emitting device including a pixel electrode connected to the TFT, an intermediate layer including an emissive layer, and an opposite electrode, an opposite electrode contact portion connecting the opposite electrode to a power interconnection line. The power interconnection line connected to the opposite electrode contact portion includes a first interconnection layer and a second interconnection layer which are stacked without an insulating layer therebetween.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yul-Kyu Lee, Sun Park, Kyu-Sik Cho