Patents Examined by Jay Yang
  • Electroactive compounds
    Patent number: 11239426
    Abstract: There is provided a compound having Formula (I), Formula (II), or Formula (III). The variables are described in detail herein.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 1, 2022
    Inventors: Hjalti Skulason, Viacheslav V. Diev, Giang Dong Vo, Weiying Gao, Weishi Wu, Norman Herron, Michael Henry Howard, Jr., Kalindi Dogra, Yunlong Zou
  • Superluminescent halide perovskite light-emitting diodes with a sub-bandgap turn-on voltage
    Patent number: 11239429
    Abstract: An emissive perovskite ternary composite thin film comprising a perovskite material, an ionic-conducting polymer and an ionic-insulating polymer is provided. Additionally, a single-layer LEDs is described using a composite thin film of organometal halide perovskite (Pero), an ionic-conducting polymer (ICP) and an ionic-insulating polymer (IIP). The LEDs with Pero-ICP-IIP composite thin films exhibit a low turn-on voltage of about 1.9V (defined at 1 cd m?2 luminance) and a luminance of about 600,000 cd m?2.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: February 1, 2022
    Assignee: THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Zhibin Yu, Junqiang Li, Xin Shan
  • Iridium complex and organic electroluminescence device using the same
    Patent number: 11239435
    Abstract: The present invention discloses an iridium complex represented by the following formula (1) and an organic electroluminescence device using the iridium complex as a phosphorescent dopant material. The phosphorescent dopant material may be for lowering a driving voltage or power consumption or increasing a current efficiency of half-life of the organic electroluminescence device. The same definition as described in the present invention.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: February 1, 2022
    Assignee: LUMINESCENCE TECHNOLOGY CORP.
    Inventors: Feng-Wen Yen, Li-Hsin Hsu
  • Condensed cyclic compound, composition including the same, and organic light-emitting device including the condensed cyclic compound
    Patent number: 11233200
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, X11, X12, and R11 to R24 are the same as described in the specification.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Masaki Numata
  • Organic electroluminescent materials and devices
    Patent number: 11228010
    Abstract: An OLED is disclosed whose emissive layer has a first host and an emitter, where the emitter is a phosphorescent metal complex or a delayed fluorescent emitter, where EH1T, the T1 triplet energy of the first host, is higher than EET, the T1 triplet energy of the emitter, where EET is at least 2.50 eV, where the LUMO energy of the first host is higher than the HOMO energy of the emitter, where the absolute value of the difference between the HOMO energy of the emitter and the LUMO energy of the first host is ?E1, where a??E1?EET?b; and where a?0.05 eV, and b?0.60 eV.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: January 18, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Nicholas J. Thompson, Jerald Feldman
  • Organic light emitting display panel and method of manufacturing the same
    Patent number: 11223026
    Abstract: An organic light emitting display panel includes a light emitting diode array substrate and an encapsulation substrate adhered to the light emitting array diode substrate by an adhesive film. The light emitting array diode substrate includes a driving thin film transistor formed on a substrate, an organic light emitting diode including a first electrode connected to the driving thin film transistor, an organic emission layer formed on the first electrode, and a second electrode formed on the organic emission layer, and first and second passivation layers formed on the second electrode. In this regard, the first passivation layer is formed of an organic compound having at least one of the structural formulae described in Formula 1 below: wherein R1, R2, R3, R4, R5, and R6 are each independently selected from substituted or unsubstituted C6-C40 aromatic groups.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: January 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong-Dae Seo, Chang-Wook Han, Yoon-Heung Tak, Hyo-Seok Kim
  • Organic electroluminescence device
    Patent number: 11217754
    Abstract: According to the present invention, there is provided an organic electroluminescent device which has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode arranged in order of description. The device is characterized in that: the hole transport layer includes a specific arylamine compound, and that the luminous layer includes a specific indenoindole derivative or a specific carbazole derivative. The organic EL device of the present invention has improved efficiency of hole transport from the hole transport layer to the luminous layer and also improved efficiency of electron transport from the electron transport layer to the luminous layer, in comparison to conventional organic EL devices.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: January 4, 2022
    Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
  • Compound for organic electroluminescence device using the same
    Patent number: 11211568
    Abstract: The present invention discloses an organic compound and an organic electroluminescence device using the organic compound as a material in the light emitting layer of the organic electroluminescence device. The organic compound may be for lowering a driving voltage, power consumption or increasing a current efficiency or 90% life time of the organic electroluminescence device. The same definition as described in the present invention.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: December 28, 2021
    Assignee: LUMINESCENCE TECHNOLOGY CORP.
    Inventors: Feng-Wen Yen, Wen-Feng Hsiao
  • Materials for organic electroluminescent devices
    Patent number: 11208401
    Abstract: The present invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, comprising these compounds. The compounds have a dibenzofuran, dibenzothiophene or a fluorene group substituted in the 1-position, either directly or through a linking group, to a carbon atom of a heteroaromatic group with one or two nitrogen atoms in a bicyclic 6/6 core, or to a carbon or nitrogen atom of a heteroaromatic group with two nitrogen atoms in a bicyclic 5/6 core and is further substituted with a group selected from dibenzofuran, dibenzothiophene, fluorene or carbazole.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 28, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Double-spiro type compound and organic light-emitting device containing same
    Patent number: 11208368
    Abstract: The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 28, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Jin Joo Kim
  • Organometallic compound, organic light-emitting device including the organometallic compound, and diagnostic composition including the organometallic compound
    Patent number: 11203607
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: December 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jiyoun Lee, Bumwoo Park, Sunyoung Lee, Jungin Lee, Kyuyoung Hwang, Yoonhyun Kwak, Whail Choi
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11201295
    Abstract: A heterocyclic compound and an organic light-emitting device including the heterocyclic compound, the heterocyclic compound being represented by the following Formula 1: A1-(A2)n2,??<Formula 1> wherein, in Formula 1, A1 is a group represented by one of Formulae 2A and 2B, and A2 is a group represented by Formula 3,
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Soobyung Ko, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • Light-emitting element, light-emitting device, and electronic appliance
    Patent number: 11189812
    Abstract: In a light-emitting element including an EL layer between a pair of electrodes, between an electrode functioning as an anode and a fourth layer having a light-emitting property (light-emitting layer), the EL layer includes at least a first layer having a hole-injecting property (hole-injecting layer), a second layer having a hole-transporting property (first hole-transporting layer), and a third layer having a hole-transporting property (second hole-transporting layer). The absolute value of the highest occupied molecular orbital level (HOMO level) of the second layer is larger than the absolute value of the highest occupied molecular orbital level (HOMO level) of each of the first layer and the third layer. With such a structure, the rate of transport of holes injected from the electrode functioning as an anode is reduced and emission efficiency of the light-emitting element is improved.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: November 30, 2021
    Inventors: Satoko Shitagaki, Tsunenori Suzuki, Satoshi Seo
  • Compound, coating composition comprising same, organic light-emitting device using same and method for preparing same
    Patent number: 11174210
    Abstract: The present specification relates to a compound of Chemical Formula 1, a coating composition including the compound of Chemical Formula 1, an organic light emitting device using the same, and a method for manufacturing the same.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: November 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Soyoung Yu, Sungkyoung Kang, Jaesoon Bae, Kilsun Lee, Donggu Lee, Jaechol Lee
  • Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used
    Patent number: 11171292
    Abstract: An anthracene derivative represented by a general formula (1) and an organic compound represented by a general formula (8) are provided. Further, by use of the anthracene derivative represented by the general formula (1), a light-emitting element with high emission efficiency can be obtained. Furthermore, by use of the anthracene derivative represented by the general formula (1), a light-emitting element that emits blue light with high color purity can be obtained.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: November 9, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Sachiko Kawakami, Nobuharu Ohsawa
  • 6,9,15,18-tetrahydro-s-indaceno[1,2-b:5,6-b?]difluorene derivatives and use thereof in electronic devices
    Patent number: 11158816
    Abstract: The present application relates to a compound of a formula (I) or formula (II) which is suitable for use as functional material in an electronic device, especially as emitter material in an organic electroluminescent device.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: October 26, 2021
    Assignee: Merck Patent GmbH
    Inventors: Holger Heil, Beate Burkhart, Lara-Isabel Rodriguez, Sebastian Meyer, Rouven Linge, Amandine Darsy
  • Organic electroluminescent device using aryl amine derivative containing heterocycle
    Patent number: 11152574
    Abstract: A compound of formula (9) is provided. wherein, B1 and B2 are a methyl group, Z1 and Z2 are a hydrogen atom, X1 is an N-carbazolyl group, X2 is a —NAr21?Ar22? group, Ar21? is a 2-phenylphenyl group, a 3-phenylphenyl group, or a 4-phenylphenyl group, and Ar22? is a 1-naphthyl group, a 2-naphthyl group, a 2-phenylphenyl group, a 3-phenylphenyl group, a 4-phenylphenyl group, a 2-fluorenyl group, a 9,9-dimethyl-2-fluorenyl group or a phenanthryl group. Also provided is an organic electroluminescent device comprising a compound of formula (9).
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: October 19, 2021
    Assignees: Idemitsu Kosan Co., Ltd., JOLED Inc.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Electroluminescent material, method for manufacturing the same, and luminescent device
    Patent number: 11145818
    Abstract: A luminescent material, a method for manufacturing the luminescent material and a luminescent device are provided. The method includes reacting 2,7-dibromofluorene and bromine hexyl to generate a first intermediate product, reacting the first intermediate product and a bis(pinacolato)diboron reagent to generate a second intermediate product, reacting 1, 4-dibromo-phenodiphene and the organic thermal activation delayed fluorescent material to generate a third intermediate product, and reacting the first intermediate product, the second intermediate product and the third intermediate product to generate the electroluminescent material.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: October 12, 2021
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jiajia Luo
  • Compound and organic electroluminescence device
    Patent number: 11139437
    Abstract: A compound represented by the formula (1) below. At least one set of two or more adjacent groups among R1 to R11 forms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of R1 to R4 is a group represented by the formula (3) below.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 5, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Keita Seda, Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda, Yuki Nakano
  • Heterocyclic compound and organic light emitting element using same
    Patent number: 11133477
    Abstract: The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: September 28, 2021
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Yun-Ji Lee, Jun-Tae Mo, Yong-Geun Jung, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee