Patents Examined by Dawn L. Garrett
  • Patent number: 11362281
    Abstract: Disclosed are a compound for an organic optoelectronic diode, the compound expressed by Chemical Formula 1, a composition for an organic optoelectronic diode, an organic optoelectronic diode utilizing same, a display apparatus. The specific content of Chemical Formula 1 is defined in the specification.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 14, 2022
    Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Ju Shin, Jaejin Oh, Eun Sun Yu, Hanill Lee, Sung-Hyun Jung, Ho Kuk Jung, Sujin Han
  • Patent number: 11339134
    Abstract: A composition which is useful for production of a light emitting device excellent in light emission efficiency is provided. In particular, provided is a composition containing a compound represented by formula (1) and a phosphorescent compound, wherein R1 and R2 each independently represent a substituent, n1 represents an integer of 1 to 14, and Ar1 represents an arylene group or a divalent heterocyclic group, and at least one of one or more groups Ar1 is a group represented by the formula (1-A), wherein the variable groups R1A to R8A, R91A, and R92A are as defined in the specification.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 24, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toshiaki Sasada, Takashi Kuragano, Yoshiaki Tsubata, Makoto Anryu, Takakazu Saito
  • Patent number: 11342510
    Abstract: A premixed co-evaporation source that is a mixture of a first compound and a second compound is disclosed. The co-evaporation source is for vacuum deposition process. The first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. At least one of the first compound and the second compound is a fluorescent or delayed fluorescent emitter. The first compound has an evaporation temperature T1 of 100 to 400° C.; the second compound has an evaporation temperature T2 of 100 to 400° C.; the absolute value of T1?T2 is less than 20° C.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Chuanjun Xia, Scott Joseph, Walter Yeager, Mingjuan Su, Ting-Chih Wang
  • Patent number: 11342506
    Abstract: An organic electroluminescent element includes a light emitting layer containing a polycyclic aromatic compound represented by (1) or its multimer having plural structures represented by (1) and an anthracene-based compound represented by (3). In (1) and (3), rings A to C represent optionally substituted aryl rings or heteroaryl rings, X1 and X2 represent >O, >N—R, >C(—R)2, >S, or >Se, R in >N—R represents aryl etc., R in >C(—R)2 represents hydrogen etc., R in >N—R and/or R in >C(—R)2 may be bonded to ring A, B, and/or C via linking group or single bond, X's and Ar4's represent hydrogen or optionally substituted aryls, not all X's and Ar4's represent hydrogen simultaneously, and at least one hydrogen in compound represented by (1) or (3) may be substituted by halogen etc. In the light emitting layer, concentration of the polycyclic aromatic compound or its multimer changes from a positive electrode layer to a negative electrode layer.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: May 24, 2022
    Assignees: KWANSEI GAKUIN EDUCATIONAL FOUNDATION, SK MATERIALS JNC CO., LTD.
    Inventors: Takuji Hatakeyama, Yukihiro Fujita
  • Patent number: 11335858
    Abstract: Provided are an organic EL device material capable of reducing the driving voltage of an organic EL device and increasing the lifetime of the device as compared with a conventional organic EL device material, specifically an aromatic amine derivative represented by N(Ara) (Arb) (Arc), and an organic EL device using the material. [Ara is represented by the formula (II). (In the formula (II): La represents a single bond or an arylene group; R1 to R4 each represent an alkyl group, an aryl group, or the like, and R3's or R4's, or R3 and R4 may be bonded to each other to form a ring; and o represents 0 to 3 and p represents 0 to 4.) Arb is represented by the formula (III).
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: May 17, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Patent number: 11329232
    Abstract: Provided are an organic light-emitting device including an arylamine-based compound including a thermally decomposable group, and an arylamine-based compound including a thermally decomposable group. The organic light-emitting device includes: a first electrode; a second electrode facing a first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including an arylamine-based compound in which the thermally decomposable group has been thermally decomposed and removed from the arylamine-based compound including the thermally decomposable group.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: May 10, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongwoo Shin, Dukki Kim, Sehun Kim, Jaeyun Kim, Jongwon Park, Seungmook Lee, Jaekook Ha
  • Patent number: 11299502
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same are provided. When the condensed cyclic compound is used as an emission layer material in a device, the device may have excellent driving voltage, efficiency, and colorimetric purity. An organic light-emitting device including the condensed cyclic compound may have a low driving voltage, excellent efficiency, and a long lifespan.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sehun Kim, Jaejin Lyu
  • Patent number: 11299459
    Abstract: The present invention provides the compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound represented by Formula 1. The driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: April 12, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Seul-gi Kim, Sun-Hee Lee, Yeon Hee Choi, Jung Wook Lee
  • Patent number: 11299466
    Abstract: The present specification relates to a compound of Chemical Formula 1 and an organic electronic device comprising the same.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: April 12, 2022
    Inventors: Min Woo Jung, Dong Hoon Lee, Tae Yoon Park, Jungoh Huh, Boonjae Jang, Seongmi Cho, Minyoung Kang, Dong Uk Heo, Miyeon Han, Jungha Lee
  • Patent number: 11271172
    Abstract: Provided are a mixture of compounds used as a phosphorescent host material in an organic electronic element, an organic electronic element comprising the compounds to achieve high light-emitting efficiency, low driving voltage, and significantly improved lifespan, and an electronic device comprising the element.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: March 8, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Jin Bae Jeon, Sun Hee Lee, Ho Young Jung, Bum Sung Lee
  • Patent number: 11254694
    Abstract: A polycyclic compound and an organic electroluminescence device including the same, the polycyclic compound being represented by Formula 1:
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Patent number: 11258029
    Abstract: A light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m?1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m?1 charge generating layer(s) including m?1 n-type charge generating layer(s) and m?1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m?1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • Patent number: 11211565
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: December 28, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sanghyun Han, Sooyon Kim, Youngkook Kim, Jongwoo Kim, Hyejin Jung, Seokhwan Hwang
  • Patent number: 11203584
    Abstract: The present disclosure provides a nitrogen-containing compound, an electronic element and an electronic device, which belongs to the technical field of organic materials. The nitrogen-containing compound has a structure of Chemical Formula 1, wherein R1 and R2 are each independently selected from hydrogen or a group represented by Chemical Formula 1-1, and one and only one of R1 and R2 has the group of Chemical Formula 1-1; when R1 or R2 is selected from hydrogen, said R1 and R2 may be replaced by R4. The nitrogen-containing compound can improve the performance of electronic elements.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: December 21, 2021
    Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.
    Inventors: Qiqi Nie, Jiamei Cao, Tiantian Ma
  • Patent number: 11201297
    Abstract: An organic electroluminescence device includes an anode, a second organic layer, a first organic layer, and a cathode in this order. The first organic layer contains a first compound and a second compound. The second organic layer contains a third compound. The first compound is a compound represented by a formula (1). The second compound is a delayed fluorescent compound. The third compound is a compound represented by a formula (3). In the formula (1), X is a nitrogen atom or a carbon atom bonded to Y, Y being a hydrogen atom or a substituent. In the formula (3), n is an integer ranging from 1 to 4, XB is a group represented by a formula (3A). In the formula (3A), Ar1 and Ar2 are each independently a monovalent or polyvalent aromatic hydrocarbon group, and Cz is a group represented by a formula (3B-1) or the like.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: December 14, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kei Yoshizaki, Toshinari Ogiwara, Yuichiro Kawamura, Keiichi Yasukawa, Kei Yoshida
  • Patent number: 11189801
    Abstract: The present invention relates to the compounds of the formulae (1) and (2) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: November 30, 2021
    Assignee: Merck Patent GmbH
    Inventors: Holger Heil, Beate Burkhart, Lara-Isabel Rodriguez, Sebastian Meyer, Rouven Linge
  • Patent number: 11177443
    Abstract: A light emitting diode according to the present invention comprises: a first electrode; an organic layer provided on the first electrode; a light emitting layer provided on the organic layer; an electron transport layer provided on the light emitting layer; and a second electrode provided on the electron transport layer, wherein the organic layer includes a compound represented by Chemical Formula 1. In Chemical Formula 1, below, Ar1, Ar2, Ar3, L1, L2, L3 and Y are as defined in the present specification.
    Type: Grant
    Filed: August 20, 2016
    Date of Patent: November 16, 2021
    Assignee: LMS CO., LTD
    Inventors: Jeong Og Choi, Joon Ho Jung
  • Patent number: 11177446
    Abstract: Novel silicon containing compounds for organic electroluminescent devices is disclosed. The compounds can be used as emitters in the emissive layer of the organic electroluminescent device. More specifically, these compounds can emit blue light. The devices incorporating these compounds as emitters show unexpecting higher efficiency and longer lifetime than prior art compounds. Also disclosed is an organic electroluminescent device and a formulation.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: November 16, 2021
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • Patent number: 11145823
    Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The emission layer includes at least one heterocyclic compound of Formula 1. The heterocyclic compound may be a host or a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage, high efficiency, high luminance, and a long lifespan.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: October 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Soobyung Ko, Mieun Jun, Sungbum Kim, Mina Jeon, Youngkook Kim, Seokhwan Hwang
  • Patent number: 11145817
    Abstract: The invention relates to an Organic light emitting diode comprising an anode electrode, a cathode electrode, at least one emission layer and an organic semiconductor layer, wherein the organic semiconductor layer is arranged between the anode electrode and the cathode electrode and the organic semiconductor layer comprises an alkali organic complex and a compound of formula 1 wherein X is selected from O, S or Se; and R1 and R2 are independently selected from the group consisting of C6 to C18 aryl group and C5 to C18 heteroaryl group, wherein each of R1 and R2 may independently be unsubstituted or substituted with at least one C1 to C12 alkyl group or C1 to C12 alkoxy group, preferably C1 to C4 alkyl group or C1 to C4 alkoxy group; and each R3, R4, R5, and R6 are independently selected from the group consisting of H, C1 to C12 alkyl group or C1 to C12 alkoxy group, preferably H, C1 to C4 alkyl group or C1 to C4 alkoxy group; a method for preparing the same and the compound of Formula 1 comprised therein.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: October 12, 2021
    Assignee: Novaled GmbH
    Inventors: Regina Luschtinetz, Francois Cardinali, Julien Frey, Domagoj Pavicic