Patents Issued in May 1, 2018
  • Patent number: 9960337
    Abstract: A thermoelectric converter includes a battery box, an outer box and a connecting ring. The battery box has a bottom case, a battery disposed in the bottom case, a battery circuit board electrically connected to the battery, and an application circuit board disposed at one end of the bottom case. The outer box has a heat sink surrounding and covering the battery box, a thermoelectric module electrically connected to the battery circuit board with the thermoelectric module electrically connected to the battery through the battery circuit board, a heat conducting plate overlying the thermoelectric module and configured to conduct thermal energy from ambient environment to the thermoelectric module for the thermoelectric module to absorb the thermal energy and convert the thermal energy to electricity, and a non-metal adiabatic frame surrounding the thermoelectric module and configured to prevent the thermal energy from being dissipated to the ambient environment.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: May 1, 2018
    Assignee: Industrial Technology Research Institute
    Inventors: Chao-Jen Huang, Yuan-Hua Chu, Hung-Chang Chu, Pin-Chen Wang, Fang-Chih Chu
  • Patent number: 9960338
    Abstract: A plurality of p-type and n-type thermoelectric conversion layers extend between opposed heat absorption and heat release surfaces such that the layers alternate between the p-type and n-type thermoelectric conversion layers with a respective insulating layer located between each adjacent pair of thermoelectric conversion layers. Each of the insulating layers extends from a respective one of the heat absorption and heat release surfaces towards, but does not reach, the other of the heat absorption and heat release surfaces such that each insulating later is spaced from the other of the heat absorption and heat release surfaces by a respective length. First and second outer sets of insulating layers are located closest to the first and second end surfaces, respectively, The insulating layers of the first and second outer sets are spaced from the other of the heat absorption and heat release surfaces by a length which is longer than the insulating layers located inwardly of the first and second outer sets.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: May 1, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Takanori Nakamura
  • Patent number: 9960339
    Abstract: A piezoelectric actuator includes a piezoelectric element that includes a piezoelectric unit including a ferroelectric, which has an asymmetric bipolar P-E curve, a capacitor connected to the piezoelectric unit in series, and a resistor connected to the capacitor in series and connected to the ferroelectric in parallel; and a drive unit that inputs a drive waveform Vd, which includes a DC offset component of which polarity is opposite to polarization of the ferroelectric, to the piezoelectric element to drive the piezoelectric element. A value of a coercive electric field Ec1, a value of a coercive electric field Ec2, the capacitance Cs of the capacitor, the capacitance Cpz of the ferroelectric, combined resistance Rp of the resistance of the resistor and the resistance of the ferroelectric, and a fundamental angular frequency ? of the drive waveform satisfy Expressions I to III, wherein 1 / 3 ? ? Ec 1 + Ec 2 ? / ? Ec 1 - Ec 2 ? Expression ? ? I C s ? 1.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: May 1, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Takayuki Naono
  • Patent number: 9960340
    Abstract: A piezoelectric actuator with integrated features to provide coarse position adjustment of a pushing threaded rod and also mechanically amplified piezo motion for fine position adjustment is presented here in three design variants. The mechanical amplifier houses one or more piezo stacks in longitudinal axis with preload to translate an amplified motion in the order of a few times in the transverse axis, perpendicular to the piezo stack motion. The piezo amplifier output travel is transmitted to the threaded rod with a ball at the end to push a desired surface for position adjustments and motion translation in application such as a mirror mount.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: May 1, 2018
    Assignee: Thorlabs, Inc.
    Inventors: Saeed Fathi, Mark Robson, Keith Dhese
  • Patent number: 9960341
    Abstract: A high frequency magnetostrictive transducer includes a magnetostrictive rod or wire inserted co-axially into a driving coil, wherein the driving coil includes a coil arrangement with a plurality of small coil segments along the magnetostrictive rod or wire; wherein frequency operation of the high frequency magnetostrictive transducer is controlled by a length of the small coil segments and a material type of the magnetostrictive rod or wire. This design of the high frequency magnetostrictive transducer retains the beneficial aspects of the magnetostrictive design, while reducing its primary drawback, lower frequency operation.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 1, 2018
    Assignee: U.S. Department of Energy
    Inventors: Joshua Earl Daw, Steven Cheney Taylor, Joy Lynn Rempe
  • Patent number: 9960342
    Abstract: A piezoelectric polymer composite material includes piezoelectric particles dispersed in a matrix made from a polymer material. The piezoelectric particles is composed primarily of lead zirconate titanate having a general formula of Pb(ZrxTi1?x)O3 and each of the piezoelectric particles contains a mixture of tetragonal crystals and rhombohedral crystals.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: May 1, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Tetsu Miyoshi
  • Patent number: 9960343
    Abstract: The present invention provides a piezoelectric material not containing lead and potassium, showing satisfactory insulation and piezoelectricity, and having a high Curie temperature. The invention relates to a piezoelectric material includes a main component containing a perovskite-type metal oxide represented by Formula (1): (NaxBa1-y)(NbyTi1-y)O3 (wherein, 0.80?x?0.94 and 0.83?y?0.94), and an additive component containing at least one element selected from Mn and Ni, wherein the content of the Ni is 0 mol or more and 0.05 mol or less based on 1 mol of the perovskite-type metal oxide, and the content of the Mn is 0 mol or more and 0.005 mol or less based on 1 mol of the perovskite-type metal oxide.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: May 1, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Miki Ueda, Takayuki Watanabe, Shunsuke Murakami
  • Patent number: 9960344
    Abstract: The invention relates to a method for producing the thin film made of lead zirconate titanate in a 111-oriented perovskite structure, comprising the following steps: providing a substrate having a substrate temperature above 450° C. and a lead target, a zirconium target, and a titanium target; applying the thin film by sputtering lead, zirconium, and titanium from the respective targets onto the substrate, wherein the total deposition rate of lead, zirconium, and titanium is greater than 10 nm/min, the deposition rate of zirconium is selected in such a way that the atomic concentration of zirconium with respect to the atomic concentration of zirconium together with titanium in the thin film is between 0.2 and 0.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: May 1, 2018
    Assignee: Pyreos LTD
    Inventors: Carsten Giebeler, Neil Conway
  • Patent number: 9960345
    Abstract: A technique relates to a semiconductor device. First metal contacts are formed on top of a substrate. The first metal contacts are arranged in a first direction, and the first metal contacts are arranged such that areas of the substrate remain exposed. Insulator pads are positioned at predefined locations on top of the first metal contacts, such that the insulator pads are spaced from one another. Second metal contacts are formed on top of the insulator pads, such that the second metal contacts are arranged in a second direction different from the first direction. The first and second metal contacts sandwich the insulator pads at the predefined locations. Surface-sensitive conductive channels are formed to contact the first metal contacts and the second metal contacts. Four-terminal devices are defined by the surface-sensitive conductive channels contacting a pair of the first metal contacts and contacting a pair of the metal contacts.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: May 1, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony J. Annunziata, Ching-Tzu Chen, Joel D. Chudow
  • Patent number: 9960346
    Abstract: A magnetic tunnel junction has a conductive first magnetic electrode comprising magnetic recording material. A conductive second magnetic electrode is spaced from the first electrode and comprises magnetic reference material. A non-magnetic tunnel insulator material is between the first and second electrodes. The magnetic recording material of the first electrode comprises a first magnetic region, a second magnetic region spaced from the first magnetic region, and a third magnetic region spaced from the first and second magnetic regions. A first non-magnetic insulator metal oxide-comprising region is between the first and second magnetic regions. A second non-magnetic insulator metal oxide-comprising region is between the second and third magnetic regions. Other embodiments are disclosed.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: May 1, 2018
    Assignee: Micron Technology, Inc.
    Inventors: Jonathan D. Harms, Wei Chen, Sunil S. Murthy, Witold Kula
  • Patent number: 9960347
    Abstract: A method of making a magnetic random access memory device includes forming a magnetic tunnel junction (MTJ) on an electrode, the MTJ including a reference layer, a tunnel barrier layer, and a free layer; disposing a hard mask on the MTJ; etching sidewalls of the hard mask and MTJ to form a stack with a first width and redeposit metal along the MTJ sidewall; depositing a sacrificial dielectric layer on the hard mask, surface of the electrode, exposed sidewall of the hard mask and the MTJ, and on redeposited metal along the sidewall of the MTJ; removing a portion of the sacrificial dielectric layer from sidewalls of the hard mask and MTJ and redeposited metal from the MTJ sidewalls; and removing a portion of a sidewall of the MTJ and hard mask to provide a second width to the stack; wherein the second width is less than the first width.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: May 1, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Anthony J. Annunziata, Gen P. Lauer, Janusz J. Nowak, Eugene J. O'Sullivan
  • Patent number: 9960348
    Abstract: Embodiments are directed to a magnetic tunnel junction (MTJ) memory cell that includes a reference layer formed from a perpendicular magnetic anisotropy (PMA) reference layer and an interfacial reference layer. The MTJ further includes a free layer and a tunnel barrier positioned between the interfacial reference layer and the free layer. The tunnel barrier is configured to enable electrons to tunnel through the tunnel barrier between the interfacial reference layer and the free layer. A first in-situ alignment is provided between a tunnel barrier lattice structure of the tunnel barrier and an interfacial reference layer lattice structure of the interfacial reference layer. A second in-situ alignment is provided between the tunnel barrier lattice structure of the tunnel barrier and a free layer lattice structure of the free layer. The PMA reference layer lattice structure is not aligned with the interfacial reference layer lattice structure.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: May 1, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Guohan Hu, Daniel C. Worledge
  • Patent number: 9960349
    Abstract: A resistive random-access memory structure and a method for fabricating a resistive random-access memory structure are described. A first dielectric layer is formed on a substrate. A plurality of bottom electrodes are independently embedded in the first dielectric layer. A transition metal oxide layer covers the plurality of bottom electrodes and extends onto a portion of the first dielectric layer. The minimum distance between the bottom electrode and a sidewall of the transition metal oxide layer is a first distance. The first distance is in a range of 10 nm to 200 ?m. A top electrode is formed on the transition metal oxide layer.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: May 1, 2018
    Assignee: Winbond Electronics Corp.
    Inventors: Yi-Hsiu Chen, Ming-Hung Hsieh, Po-Yen Hsu, Ting-Ying Shen
  • Patent number: 9960350
    Abstract: A method of manufacturing a switching element includes forming a first electrode layer over a substrate, forming a switching structure on the first electrode layer, and forming a second electrode layer on the switching structure. The switching structure includes a plurality of unit switching layers that includes a first unit switching layer and a second unit switching layer. Forming the first unit switching layer includes forming a first unit insulation layer, and injecting first dopants into the first unit insulation layer by performing a first ion implantation process. Forming the second unit switching layer includes forming a second unit insulation layer, and injecting second dopants into the second unit insulation layer by performing a second implantation process.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: May 1, 2018
    Assignee: SK HYNIX INC.
    Inventor: Tae Jung Ha
  • Patent number: 9960351
    Abstract: A method for producing an organic semiconductor film includes performing, in random order, applying an ink including an organic semiconductor, a first solvent having high affinity for the organic semiconductor, and a second solvent having lower affinity for the organic semiconductor than the first solvent and having a higher boiling point than the first solvent, to a lyophilic region of a substrate having at least one of a lyophilic region or a liquid repellent region disposed in the vicinity of the lyophilic region on a surface, and applying a solvent composed of the same type of solvent as the first solvent and used for controlling a volatilization rate of the first solvent in the ink applied to the lyophilic or the liquid repellant region; and then causing the first and second solvent in the ink applied to the lyophilic region to volatilize to produce an organic semiconductor film.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: May 1, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Hiroshi Ohta
  • Patent number: 9960352
    Abstract: A method of forming a n-doped semiconductor layer wherein a film comprising an organic semiconductor and an n-dopant reagent is irradiated by light having a wavelength that is within an absorption range of the organic semiconductor, and wherein an absorption maximum wavelength of the n-dopant precursor is shorter than any peak wavelength of the light. The n-doped semiconductor layer may be an electron-injection layer of an organic light-emitting device.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: May 1, 2018
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Corporation Limited
    Inventors: Thomas Kugler, Sheena Zuberi
  • Patent number: 9960353
    Abstract: Embodiments of forming an image sensor with an organic photodiode are provided. The organic photodiode uses dual electron-blocking layers formed next to the anode of the organic photodiode to reduce dark current. By using dual electron-blocking layers, the values of highest occupied molecular orbital (HOMO) for the neighboring anode layer and the organic electron-blocking layer are matched by one of the dual electron-blocking layers to form a photodiode with good performance. The values of the lowest occupied molecular orbital (LOMOs) of the dual electron-blocking layers are selected to be lower than the neighboring anode layer to reduce dark current.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: May 1, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chin-Wei Liang, Hsing-Lien Lin, Cheng-Yuan Tsai, Chia-Shiung Tsai
  • Patent number: 9960354
    Abstract: A method for making thin film transistor includes: providing a gate electrode and forming an insulating layer on the gate electrode; providing a carbon nanotube film comprising a plurality of metallic carbon nanotubes and a plurality of semiconducting carbon nanotubes; laying the carbon nanotube film on a surface of the insulating layer, and placing the carbon nanotube film under a scanning electron microscope to take photo of the carbon nanotube film to distinguish the plurality of metallic carbon nanotubes and the plurality of semiconducting carbon nanotubes; removing the metallic carbon nanotubes, and forming a source electrode and a drain electrode on a surface of the semiconducting layer.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: May 1, 2018
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Dong-Qi Li, Yang Wei, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 9960355
    Abstract: An electronic device, including an organic semiconductor, the organic semiconductor having a first polymer having a first molecular weight and a first length, and a second polymer having a second molecular weight and a second length, wherein the second length is longer than the first length.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: May 1, 2018
    Assignee: Palo Alto Research Center Incorporated
    Inventor: John E. Northrup
  • Patent number: 9960356
    Abstract: Provided are an organic electroluminescence device which has a high luminous efficiency, a low operating voltage and a long life and which is low in a voltage rise in operation and excellent in an ageing stability and has an aptitude in production by the wet process, and a lighting equipment and a display device which are prepared by using the same.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: May 1, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Mayuka Hikime, Osamu Ishige, Tomohiro Oshiyama, Rie Katakura
  • Patent number: 9960357
    Abstract: The present specification provides a compound having a spiro structure of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh, Jungbum Kim
  • Patent number: 9960358
    Abstract: An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: May 1, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahide Matsuura, Masakazu Funahashi, Kenichi Fukuoka, Chishio Hosokawa
  • Patent number: 9960359
    Abstract: An arylamine-based compound is represented by Formula 1 below. The arylamine-based compound is included in an organic light emitting diode.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: May 1, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Patent number: 9960360
    Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 1, 2018
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Patent number: 9960361
    Abstract: An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *?N—*? as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: May 1, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • Patent number: 9960362
    Abstract: A compound is represented by Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device include the compound. In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xavier Bulliard, Tadao Yagi, Rie Sakurai, Hiromasa Shibuya, Kwang Hee Lee, Dong-Seok Leem, Hyesung Choi
  • Patent number: 9960363
    Abstract: The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: May 1, 2018
    Assignee: DOOSAN CORPORATION
    Inventors: Min-Sik Eum, Ho-Cheol Park, Chang Jun Lee, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • Patent number: 9960364
    Abstract: A compound represented by the following formula (1). In the formula (1), when Ar1 and Ar2 are the same substituents, as for all of the following pairs: Y1 and Y12, Y2 and Y11, Y3 and Y10, Y4 and Y9, Y5 and Y8, and Y6 and Y7, Y1 to Y12 of each pair are not the same as each other.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: May 1, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Ryohei Hashimoto, Kei Yoshida
  • Patent number: 9960365
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, groups L1 and X1 to X16 are the same as described in the specification.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: May 1, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Soonok Jeon, Jhunmo Son, Sangmo Kim, Hyunjung Kim, Yeonsook Jung, Yongsik Jung, Dalho Huh
  • Patent number: 9960366
    Abstract: Provided is an organic light emitting element that has high moisture resistance, is driven at a low voltage, has high efficiency, and has a long lifetime. Specifically, provided is an organic light emitting element, including: an anode; a cathode; and an organic compound layer arranged between the anode and the cathode, in which: the organic compound layer includes an organic functional layer; and the organic functional layer contains an organic compound represented by the following general formula [1].
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: May 1, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Jun Kamatani, Yosuke Nishide
  • Patent number: 9960367
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2??Formula 1 wherein in Formula 1, Ar1, Ar2, L1, and L2 are the same as described in the specification.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 1, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yongsik Jung, Miyoung Chae, Eunsuk Kwon, Sangmo Kim, Hyunjung Kim, Jhunmo Son, Saeyoun Lee, Soonok Jeon, Yeonsook Chung, Dalho Huh, Joonghyuk Kim, Myungsun Sim
  • Patent number: 9960368
    Abstract: Provided is a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, A represents any of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group, R11 to R19 separately represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: May 1, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroshi Kadoma, Yasushi Kitano, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 9960369
    Abstract: To provide a novel compound which can be used as a host material in which a light-emitting substance is dispersed. To provide a light-emitting element having a long lifetime. A compound represented by General Formula (G0). In the formula, A1 represents a dibenzo[f,h]quinoxalinyl group, A2 represents a benzo[b]naphtho[2,3-d]furanyl group, and Ar represents an arylene group having 6 to 25 carbon atoms. The dibenzo[f,h]quinoxalinyl group, the benzo[b]naphtho[2,3-d]furanyl group, and the arylene group are separately unsubstituted or substituted by any one of an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: May 1, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko Kawakami, Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo
  • Patent number: 9960370
    Abstract: Provided is an organic light-emitting device improved in emission efficiency and lifetime. The organic light-emitting device includes a pair of electrodes and an organic compound layer disposed between the pair of electrodes, in which: the organic compound layer includes a benzo[f]isoquinoline iridium complex of a specific structure and a hydrocarbon compound of a specific structure; and the hydrocarbon compound is a compound formed only of an SP2 carbon atom and a hydrogen atom.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: May 1, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kengo Kishino, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • Patent number: 9960371
    Abstract: A novel organometallic complex having high heat resistance is provided. The organometallic complex, which includes a structure represented by General Formula (G1), includes iridium and a ligand. The ligand has a pyrazine skeleton. Iridium is bonded to nitrogen at the 1-position of the pyrazine skeleton. A phenyl group that has an alkyl group as a substituent is bonded at each of the 2- and 3-positions of the pyrazine skeleton, and a phenyl group that has a cyano group as a substituent is bonded at the 5-position of the pyrazine skeleton. The ortho position of the phenyl group bonded at the 2-position of the pyrazine skeleton is bonded to iridium. In the formula, each of A1 to A4 independently represents a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: May 1, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tomoya Yamaguchi, Hideko Inoue, Hiromitsu Kido, Satoshi Seo, Tatsuyoshi Takahashi
  • Patent number: 9960372
    Abstract: Provided are a monoamine derivative represented by the following Formula 1, and an organic electroluminescent device including the same. When the monoamine derivative represented by Formula 1 is used as a hole transport or hole injection material in the device, the operating voltage may be lowered and the emission efficiency may be improved.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 1, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Masatsugu Ueno, Naoya Sakamoto
  • Patent number: 9960373
    Abstract: The present invention relates to a substrate for a photoelectric device and a photoelectric device comprising the same and, more specifically, to a substrate for a photoelectric device and a photoelectric device comprising the same capable of guaranteeing the flatness of thin-films forming the photoelectric device and the structural stability of a functional thin-film formed to improve the characteristics of the photoelectric device, thereby maintaining the function of the functional thin-film. To this end, the present invention provides a substrate for a photoelectric device and a photoelectric device comprising the same, the substrate comprising: a base substrate; a concave-convex structure formed on the base substrate, in which the surface of the concave-convex structure forms a concave-convex pattern; and a planarization layer formed on the concave-convex structure, the planarization layer being formed of a 2-dimensional material.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: May 1, 2018
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Hong Yoon, Soon Geun Kwon, Yoon Young Kwon, Kyung Wook Park, Hyun Hee Lee
  • Patent number: 9960374
    Abstract: The present invention provides a stripping method of a flexible substrate, comprising: providing a porous metal substrate; forming a buffer layer on the porous metal substrate; forming a flexible substrate on the buffer layer; putting the flexible substrate in the electrolytic tank so that the part of the porous metal substrate is immersed in the electrolyte, and the porous metal substrate is employed to be a cathode electrified to electrolyze water in the electrolyte, and the porous metal substrate will releases the hydrogen, and the flexible substrate and the buffer layer are stripped from the porous metal substrate with the acting force of the hydrogen to obtain the flexible substrate with the buffer layer at the bottom. The method is high efficient and without damaging to promote the production yield of the flexible substrate.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: May 1, 2018
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Hong Fang
  • Patent number: 9960375
    Abstract: Disclosed herein is an organic light-emitting display device having a first flexible substrate; a second flexible substrate; a plurality of organic light-emitting pixels on the first flexible substrate and between the first flexible substrate and the second flexible substrate; an encapsulation unit covering the pixels; and an adhesive layer on the encapsulation unit. The Young's modulus of the adhesive layer is equal to or larger than a value so that the first flexible substrate is not deformed by bending stress when it is rolled up.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 1, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: JooHwan Shin, BongChul Kim, Jaewook Park
  • Patent number: 9960376
    Abstract: In an organic light emitting diode (OLED) display device and a method for fabricating the same, OLED pixels are patterned through a photolithography process, so a large area patterning can be performed and a fine pitch can be obtained, and an organic compound layer can be protected by forming a buffer layer of a metal oxide on an upper portion of the organic compound layer or patterning the organic compound layer by using a cathode as a mask, improving device efficiency. In addition, among red, green, and blue pixels, two pixels are patterned through a lift-off process and the other remaining one is deposited to be formed without patterning, the process can be simplified and efficiency can be increased.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: May 1, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Mi Kim, Jong-Geun Yoon, Joon-Young Heo, Han-Sun Park, Eui-Doo Do, Yeon-Kyeong Lee, Dae-Hyun Kim, Jong-Sik Shim
  • Patent number: 9960377
    Abstract: The present disclosure provides a color filter substrate used in an organic light-emitting diode (OLED) or liquid crystal (LC) display structure for improving a contrast ratio and light output. The color filter substrate includes a substrate; a color filter layer comprising a plurality of pixel units; and a reflective metallic matrix comprising a plurality of reflective metallic matrix elements surrounding each pixel unit.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: May 1, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbin Jia, Xinwei Gao, Guangcai Yuan
  • Patent number: 9960378
    Abstract: The invention provides a quantum dot light emitting device and a manufacturing method thereof and further a liquid crystal display device. The quantum dot light emitting device includes an anode and a cathode disposed opposite to and spaced from each other, and further a hole injection layer, a first hole transport layer, a first quantum dot light emitting layer, a charge generation layer, a second quantum dot light emitting layer, a first electron transport layer and an electron injection layer sequentially stacked between the anode and the cathode in that order. The charge generation layer includes sequentially-disposed a second electron transport layer, a carrier generation layer and a second hole transport layer in that order. The first quantum dot light emitting layer emits a first light, the second quantum dot light emitting layer emits a second light, and the second electron transport layer includes a water/alcohol-soluble polymer.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: May 1, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Chao Xu
  • Patent number: 9960379
    Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: May 1, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Mi-Young Han, Chang Wook Han, Tae Il Kum, Gwi Jeong Cho, Tae Shick Kim, Se Ung Kim, Hee Dong Choi
  • Patent number: 9960380
    Abstract: An organic light emitting diode and an organic light emitting display device, the organic light emitting diode including a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and a hole transport layer between the first electrode and the emission layer, wherein the hole transport layer includes an organic material and a dipole material, the dipole material including a first component and a second component, the first component having a polarity different from that of the second component and the first component and the second component being combined with each other.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: May 1, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
  • Patent number: 9960381
    Abstract: A lighting device may include a substrate having a carrier, a first electrical busbar, a second electrical busbar, and an optically functional structure on or above the carrier, wherein the optically functional structure is formed laterally between the first and the second electrical busbar, and a first electrode electrically coupled to the first electrical busbar and/or the second electrical busbar, on or above the carrier, and an organic functional layer structure on or above the first electrode, wherein the organic functional layer structure is formed for converting an electric current into an electromagnetic radiation, and a second electrode on or above the organic functional layer structure. The optically functional structure is formed in such a way that the beam path of the electromagnetic radiation which passes through the substrate and/or the spectrum of the electromagnetic radiation passing through the substrate are/is variable by means of the optically functional structure.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: May 1, 2018
    Assignee: OSRAM OLED GMBH
    Inventors: Thomas Wehlus, Daniel Riedel, Nina Riegel, Silke Scharner, Johannes Rosenberger, Arne Fleissner
  • Patent number: 9960382
    Abstract: Disclosed is an organic electroluminescence element that can provide uniform light emission over the entire surface and also can reduce the risk of short circuit and leakage. An organic electroluminescence element 10 according to the present invention includes a substrate 1, a first electrode 2, a second electrode 5, an organic layer 4 including a light-emitting layer, and an auxiliary wiring layer 3. The first electrode 2, the organic layer 4, and the second electrode 5 are laminated on one surface of the substrate 1 in this order. The organic layer 4 is connected electrically to both the electrodes. The auxiliary wiring layer 3 is arranged at a position where the auxiliary wiring layer 3 is not in contact with the organic layer 4. The auxiliary wiring layer 3 is connected electrically to the second electrode 5 and is not in contact with the first electrode 2.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 1, 2018
    Assignee: NEC LIGHTING, LTD.
    Inventor: Shusaku Kon
  • Patent number: 9960383
    Abstract: A display device in the present invention includes a display panel (320) which is provided with a display screen, a T-substrate (350) which is arranged in a predetermined range narrower than the display panel (320) at the back side of the display panel (320), first flexible printed circuit substrates (450) which extend downward from the upper end of the display panel (320) and are connected to the T-substrate (350), and second flexible printed circuit substrates (460) which extend upward from the lower end of the display panel (320) and are connected to the T-substrate (350) in order to achieve more reduction in thickness when the display panel and the circuit substrate are arranged together.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: May 1, 2018
    Assignee: SONY CORPORATION
    Inventors: Tatsuya Sakata, Makoto Miyashita, Toyoki Takahashi, Daiki Adachi, Sachiko Koyama
  • Patent number: 9960384
    Abstract: The present invention discloses a packaging method for an organic light emitting diode including: providing a first substrate that is made of metallic foil; providing an organic light emitting diode on the first substrate; providing, outside the organic light emitting diode, a passivation layer for covering the organic light emitting diode; coating an encapsulation adhesive onto the first substrate entirely, so that the encapsulation adhesive covers the passivation layer; providing a second transparent substrate at least on a portion of the encapsulation adhesive covering the passivation layer; and curing the encapsulation adhesive, to form a package of the organic light emitting diode. The present invention also discloses a packaging structure for an organic light emitting diode, and an organic light emitting diode device having the packaging structure.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 1, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chengyuan Luo, Chun-Jan Wang
  • Patent number: 9960385
    Abstract: Due to insufficient moisture inside a panel it may take a long time for a screening. An organic EL display device includes a light emitting region including a lower electrode, an organic EL layer, and an upper electrode, a barrier film formed so as to cover the light emitting region, and a moisture retaining film which is formed on the barrier film and is moisture retentive.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 1, 2018
    Assignee: Japan Display Inc.
    Inventor: Akinori Kamiya
  • Patent number: 9960386
    Abstract: A method for improving the operation of an OLED includes maximizing on-radiative transfer of excited state energy from the OLED's organic emissive material to surface plasmon polaritons in an enhancement layer by providing the enhancement layer no more than a threshold distance away from the organic emissive layer; and emitting light into free space from the enhancement layer by scattering the energy from the surface plasmon polaritons through an outcoupling layer that is provided proximate to the enhancement layer but opposite from the organic emissive layer.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: May 1, 2018
    Assignee: Universal Display Corporation
    Inventors: Nicholas J. Thompson, Marc A. Baldo, Michael S. Weaver, Vinod M. Menon