Patents Examined by Dawn L. Garrett
  • Patent number: 10566565
    Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Haidong Wu, Weilin Lai, Kai Chen, Juanjuan Bai, Wenyu Ma
  • Patent number: 10559765
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonsuk Han, Dongchan Kim, Wonjong Kim, Eungdo Kim, Dongkyu Seo, Jihye Lee, Dahea Im, Sanghoon Yim, Yoonhyeung Cho
  • Patent number: 10547007
    Abstract: A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5): wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (hig
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: January 28, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo, Masahiro Kawamura, Ryota Takahashi
  • Patent number: 10538700
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): In the chemical formula (I), R1 to R10 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl; X1 is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene. A substituent is selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 21, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Peng Shu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10535824
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): wherein: X1 to X5 are independently selected from C and N, when N is selected, a substituent may not be included; R1 to R9 are independently selected nom hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, C2 to C30 heteroaryl, and a chemical group A represented by the following chemical formula (II): and at least one of R1 to R9 is selected from the chemical group A. In the chemical formula (II), R10 to R17 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl, and Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: January 14, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Ying Liu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10529934
    Abstract: Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. The metal complex is represented by the following formula (1): wherein M represents an iridium atom or the like, n1 represents 1 to 3, n2 represents 0 to 2, X1 to X8 represent a carbon atom or the like, R1 to R8 represent a hydrogen atom or the like, one of Xa and Xb is a single bond, and the other is a group represented by —CR11R12—CR13R14—, R11 to R14 represent an alkyl group or the like, ring A represents a heteroaromatic ring, and A1-G1-A2 represents an anionic bidentate ligand.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: January 7, 2020
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takakazu Saito, Yusuke Ishii, Kazuei Ohuchi, Nobuhiko Akino, Rui Ishikawa
  • Patent number: 10510963
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: December 17, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Patent number: 10505117
    Abstract: An organic light emitting diode device includes a first electrode, a second electrode, an organic emission layer, an electron transport layer and a buffer layer. The second electrode is opposite to the first electrode. The organic emission layer is located between the first and second electrodes. The electron transport layer is located between the organic emission layer and the second electrode. The buffer layer is located between the organic emission layer and the electron transport layer, and is made of at least one material selected from a pyrene compound represented by the following Chemical Formula 1, an anthracene compound represented by the following Chemical Formula 2 and a combination thereof: Here, the definitions of R1, R2 and A are as described in the specification.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Jin Cho, Chang-Min Lee
  • Patent number: 10505121
    Abstract: Provided are an organic electronic element comprising a compound capable of improving luminous efficiency, stability and lifetime of an organic electronic device, in an emitting auxiliary layer or electron blocking layer formed between an emitting layer and a hole transport layer of the element, and an electronic device comprising the same.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 10, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyun Ju Song, Ho Young Jung, Mi Young Chae, Jae Taek Kwon, Moo Jin Park, Sun Hee Lee
  • Patent number: 10505128
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, A1, X1, X2, R1 to R4, and a1 to a4 are described in the specification.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: December 10, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yeonsook Chung, Jhunmo Son, Sangmo Kim, Hyunjung Kim, Soonok Jeon, Dalho Huh, Yongsik Jung
  • Patent number: 10497883
    Abstract: A high light emission efficiency can be achieved by the use of a compound represented by the general formula (1) as a host material or a light-emitting material of a light-emitting layer of an organic light-emitting device. X1 to X12 each independently represent C or BH constituting carborane, provided that among X1 to X12, the bonding positions to A and D each represent C, and the other thereof each represent BH; A represents an acceptor bonded to the carborane through an aromatic ring or a heteroaromatic ring; and D represents a donor bonded to the carborane through an aromatic ring or a heteroaromatic ring.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: December 3, 2019
    Assignee: KYULUX, INC.
    Inventors: Chihaya Adachi, Takuma Yasuda, Takuro Nishimoto, Sae Youn Lee
  • Patent number: 10472564
    Abstract: The present invention discloses a delayed fluorescence compound and the organic electroluminescent device employing the delayed fluorescence compound as the delayed fluorescence dopant material, the delayed fluorescence host material, or the phosphorescent host material in the light emitting layer, and/or used in the hole blocking layer and/or the electron transporting layer of the organic EL device, which thereby displays good performance.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: November 12, 2019
    Inventors: Feng-Wen Yen, Wen-Feng Hsiao
  • Patent number: 10439146
    Abstract: In an organic compound, two groups each including a benzonaphthofuranylamine skeleton are bonded to a central skeleton including a fluorene skeleton. The organic compound emits favorable blue light. Furthermore, the organic compound has a high hole-transport property.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: October 8, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kaori Ogita, Sachiko Kawakami, Tsunenori Suzuki, Naoaki Hashimoto, Yusuke Takita, Satoshi Seo
  • Patent number: 10424754
    Abstract: The embodiments of the present invention provide an organic light emitting diode device, display panel and display device. The existing top emitting series OLED device is improved with a structure of homojunctions; the functional layer of the top emitting series OLED device is also improved. The functional layer comprises a hole injection layer, a hole transport layer, a plurality of light emitting layers, an electron transport layer and an electron injection layer sequentially arranged from the anode. A charge generation layer A and a charge generation layer B are arranged between two directly adjacent light emitting layers. A homojunction is applied in each light emitting unit of the top emitting series OLED device, reducing the types of organic materials and the carrier injection barrier, improving the injection of carriers and the efficiency of the device. The driving voltage of the device is thus reduced.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: September 24, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wentao Bi, Na Li, Yinan Liang
  • Patent number: 10411195
    Abstract: An organic light-emitting diode including a condensed cyclic compound represented by Formula 1 and a condensed cyclic compound represented by Formula 2: wherein Ar1, L, X, R1 to R18, and A are defined as in the specification. An organic layer including the condensed cyclic compounds may emit blue light of high color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: September 10, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soung-Wook Kim, Jae-Hong Kim, Myeong-Suk Kim, Se-Hun Kim
  • Patent number: 10411212
    Abstract: An organic electroluminescence device including: an anode; a cathode; two or more emitting units that are disposed between the anode and the cathode, each unit having an emitting layer; and a charge-generating layer that is disposed between the emitting units, wherein the charge-generating layer comprises an N layer nearer to the anode and a P layer nearer to the cathode, and the P layer comprises a compound represented by the following formula (I).
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: September 10, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Emiko Kambe, Masato Nakamura, Jun Endo, Masakazu Funahashi, Hironobu Morishita
  • Patent number: 10411203
    Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: September 10, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Ryutaro Sugawara, Takamune Hattori, Hiroshi Kita
  • Patent number: 10396291
    Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescence efficiency, stability, and life span.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 27, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Sun-Hee Lee, Jung Cheol Park, DaeSung Kim, Bum Sung Lee, Seong Je Park
  • Patent number: 10388882
    Abstract: An anthracene derivative represented by Formula 1 is disclosed. An organic light-emitting device including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes at least one anthracene derivative represented by Formula 1, is also disclosed. A method of manufacturing the organic light-emitting device is also disclosed.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: August 20, 2019
    Assignees: Samsung Display Co., Ltd., SFC Co., Ltd.
    Inventors: Mi-Kyung Kim, Kwan-Hee Lee, Yeon-Kwon Ryu, Ji-Young Kim
  • Patent number: 10374166
    Abstract: A novel polycyclic aromatic compound in which plural aromatic rings are linked via boron atoms, oxygen atoms and the like is provided, and therefore, the range of selection of the material for organic electroluminescent elements can be widened. Also, an excellent organic electroluminescent element is provided by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: August 6, 2019
    Assignees: KWANSEI GAKUIN EDUCATIONAL FOUNDATION, JNC CORPORATION
    Inventors: Takuji Hatakeyama, Soichiro Nakatsuka, Kiichi Nakajima, Hiroki Hirai, Yohei Ono, Kazushi Shiren, Jingping Ni, Takeshi Matsushita, Toshiaki Ikuta