Patents Examined by Gregory Clark
  • Patent number: 9705088
    Abstract: A triazine-based compound is represented by Formula 1 and an organic light-emitting device includes the triazine-based compound.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ha Park, Young-Kook Kim, Eun-Young Lee, Eun-Jae Jeong, Seok-Hwan Hwang
  • Patent number: 9698357
    Abstract: The present invention discloses a novel phenanthroline-based compound is represented by the following formula(I), the organic EL device employing the phenanthroline-based compound as hole blocking material/electron transport material or phosphorescent host can display good performance. L, m, n, X, Y and R1 to R20 each have the same meaning as described in the present invention.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: July 4, 2017
    Inventors: Feng Wen Yen, Cheng Hao Chang, Chin Min Teng, I Feng Lin
  • Patent number: 9698358
    Abstract: Disclosed are a nitrogen-containing polycyclic compound and an organic electroluminescent device including the same.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: July 4, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Wanpyo Hong, Kongkyeom Kim, Hyok Joon Kwon, Hoyong Lee, Minjun Kim
  • Patent number: 9691990
    Abstract: The present invention relates to a compound, which is represented by one chemical formula among the chemical formulas (1) to (3), an organic electronic element comprising the compound, and an electronic device comprising the organic electronic element. The compound is characterized by comprising at least one phenyl group having at least one substitution with deuterium or tritium.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: June 27, 2017
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Soungyun Mun, Bumsung Lee, Jungcheol Park, Kiwon Kim, Yongwook Park, Jeongkeun Park, Heesun Ji, Junghwan Park
  • Patent number: 9685614
    Abstract: A compound represented by the following formula (1):
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: June 20, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshihiro Iwakuma, Kazuki Nishimura
  • Patent number: 9680109
    Abstract: An organic light emitting diode and an organic light emitting device, the organic light emitting diode including a first compound represented by the following Formula 1; and a second compound represented by the following Formula 2,
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Sub Lee, Seul Ong Kim, Youn Sun Kim, Dong Woo Shin, Naoyuki Ito
  • Patent number: 9670185
    Abstract: Novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds are useful in OLED devices and can exhibit delayed fluorescence.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: June 6, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin, Raymond Kwong, Scott Joseph, James Esler
  • Patent number: 9673401
    Abstract: The present disclosure generally relates to novel compounds containing carbazole and triazine with different number of phenyl units attached to its core. In particular, the disclosure relates to compositions and/or devices comprising these compounds as hosts for PHOLEDs.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: June 6, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc Boudreault, Alexey Dyatkin, Chuanjun Xia, Hitoshi Yamamoto
  • Patent number: 9666808
    Abstract: An organic electroluminescent element having a small reduction rate in the luminance immediately after the start of light emission is provided. The organic electroluminescent element includes a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, a light emitting layer disposed between the electrodes, and at least one organic layer disposed between the light emitting layer and the anode, in which at least one kind of a specific compound including a fluorene structure is contained in at least one organic layer between the light emitting layer and the anode, and at least one kind of a specific compound including a carbazole structure or a fluorene structure is contained as a light emitting material in the light emitting layer.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: May 30, 2017
    Assignee: UDC Ireland Limited
    Inventors: Yoshitaka Kitamura, Atsushi Matsunaga
  • Patent number: 9666812
    Abstract: The present application provides a new nitrogen-containing heterocyclic compound and an organic electronic device using the same.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: May 30, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Dong Hoon Lee, Tae Yoon Park, Sung Kil Hong, Boonjae Jang, Minseung Chun, Dong Sik Kim, Minyoung Kang
  • Patent number: 9663711
    Abstract: A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to ?3.5 eV and less than or equal to ?2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: May 30, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kyoko Takeda, Harue Osaka, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo, Hiromi Seo
  • Patent number: 9666807
    Abstract: An organic light-emitting device including a first electrode; a second electrode opposite to the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by the following Formula 1 and a second compound represented by the following Formula 2:
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito
  • Patent number: 9660202
    Abstract: An organic electroluminescence (EL) device, including an anode; a cathode; and an emission layer between the anode and the cathode, the emission layer emitting a light via a singlet excited state, a stacking structure of at least three layers having different components being provided between the anode and the emission layer, wherein the stacking structure includes: a first layer including an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level of about ?9.0 eV to about ?4.0 eV; a second layer including a compound represented by the following Formula (1), the second layer being closer to the emission layer than the first layer; and a third layer including a compound represented by the following Formula (2), the third layer being closer to the emission layer than the second layer, wherein the emission layer includes a compound represented by the following Formula (3).
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hiroaki Itoi, Ikuo Sasaki, Shuri Sato
  • Patent number: 9653689
    Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: May 16, 2017
    Assignees: Samsung Display Co., Ltd., SFC CO., LTD.
    Inventors: Myeong-Suk Kim, Jong-Tae Je, Se-Jin Lee, Seok-Bae Park, Se-Jin Yu, Jea-Geon Lim, Byoung-Ki Choi, Tae-Kyung Kim, Jeoung-In Yi
  • Patent number: 9653687
    Abstract: The present invention relates to a mixture comprising a) a polymer which contains at least one L=X structural unit, b) a triplet emitter compound and c) a carbazole compound or a soluble neutral molecule. The invention furthermore relates to organic electroluminescent devices which contain the mixture according to the invention.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: May 16, 2017
    Assignee: Merck Patent GmbH
    Inventors: Aurélie Ludemann, Rémi Manouk Anémian, Susanne Heun, Almut Rapp
  • Patent number: 9647218
    Abstract: A compound having the structure of Formula 1, as well as, a first device and a formulation including the same are disclosed. In the structure of Formula 1: R5 is and (a) at least one of R1-R4 is or (b) R1 is In addition, R1, R2, R3, R4, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8, Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8, are each independently selected from a variety of substituents, where adjacent A, B, Y, and Z groups are, optionally, joined to form a fused ring structure. Finally, X includes an acceptor group selected from —CmF2m+1, —SimF2m+1, —NCO, —NCS, —OCN, —SCN, —OCmF2m+1, and —SCmF2m+1.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: May 9, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Raymond Kwong, Siu Tung Lam, Chi Hang Lee
  • Patent number: 9647225
    Abstract: Disclosed is a stacked organic light emitting device and a display apparatus including the stacked organic light emitting device. The stacked organic light emitting device 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.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: May 9, 2017
    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: 9640766
    Abstract: The present specification relates to an organic light emitting diode having high light emitting efficiency.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Jungoh Huh, Minyoung Kang, Dong Uk Heo, Miyeon Han, Min Woo Jung, Wooyung Jung
  • Patent number: 9634263
    Abstract: A novel organic compound that forms an exciplex emitting light with high efficiency is provided. An organic compound with a triarylamine skeleton in which the three aryl groups of the triarylamine skeleton are a p-biphenyl group, a fluoren-2-yl group, and a phenyl group to which a dibenzofuranyl group or a dibenzothiophenyl group is bonded. By the use of the organic compound and an organic compound with an electron-transport property, an exciplex that emits light with extremely high efficiency can be formed.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: April 25, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kaori Ogita, Satoshi Seo, Hiromi Seo, Tatsuyoshi Takahashi
  • Patent number: 9634255
    Abstract: An aromatic amine derivative represented by formula (1): wherein L1, L2, Ar1, Ar2, R1, R2, a, b, and Q are as defined in the specification. An organic electroluminescence device having at least one organic thin film layer which includes the aromatic amine derivative has high emission efficiency and long lifetime.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: April 25, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Takahiro Fujiyama