Patents Examined by Robert S. Loewe
  • Patent number: 12010909
    Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the same and an electronic apparatus including the organic light-emitting device: M(L1)n1(L2)n2??<Formula 1> wherein M, L1, L2, n1, and n2 in Formula 1 are the same as described in the detailed description.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyuyoung Hwang, Byungjoon Kang, Seungyeon Kwak, Kum Hee Lee, Aram Jeon, Sukekazu Aratani, Banglin Lee, Kyuhyun Im, Byoungki Choi, Yasushi Koishikawa
  • Patent number: 12004420
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: June 4, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Doo-Hyeon Moon, Su-Hyun Lee, Jin-Ri Hong, So-Young Jung, Dong-Hyung Lee, Sang-Hee Cho
  • Patent number: 12004422
    Abstract: Provided are a heterocyclic compound represented by a certain formula and an organic light-emitting device including the same.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: June 4, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Soobyung Ko, Jongwoo Kim
  • Patent number: 11997860
    Abstract: Provided is a light-emitting element with high external quantum efficiency and a low drive voltage. The light-emitting element includes a light-emitting layer which contains a phosphorescent compound and a material exhibiting thermally activated delayed fluorescence between a pair of electrodes, wherein a peak of a fluorescence spectrum and/or a peak of a phosphorescence spectrum of the material exhibiting thermally activated delayed fluorescence overlap(s) with a lowest-energy-side absorption band in an absorption spectrum of the phosphorescent compound, and wherein the phosphorescent compound exhibits phosphorescence in the light-emitting layer by voltage application between the pair of electrodes.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: May 28, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Satoshi Seo
  • Patent number: 11997920
    Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting unit including a first emitting layer and a first hole transporting zone; a first charge generating layer; and a second emitting unit including a second emitting layer, in which the first emitting unit, the first charge generating layer, and the second emitting unit are provided between the anode and the cathode in this order from the anode, the first hole transporting zone is provided between the anode and the first emitting layer, the first emitting layer contains a compound represented by a formula (1) below, and a thickness d1 of the first hole transporting zone is 60 nm or less. In the formula (1): at least one of R1 to R8 is -L13-Ar13; L11 to L13 are each independently a single bond, an arylene group or the like; and R1 to R8 not being -L13-Ar13 are each independently a hydrogen atom or the like.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: May 28, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Nakamura, Taro Yamaki, Ryota Takahashi
  • Patent number: 11997919
    Abstract: Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they can have excellent efficiency or lifespan.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: May 28, 2024
    Assignees: LG DISPLAY CO., LTD., LG CHEM, LTD.
    Inventors: Jicheol Shin, Seonkeun Yoo, Jeongdae Seo, Shinhan Kim, JooYong Yoon, Jun Yun, DongHeon Kim, YongHan Lee, SungJae Lee
  • Patent number: 11987592
    Abstract: Provided is a compound of Chemical Formula 1: wherein: A is a benzene ring; X1 and X2 are each independently O or S; Y1 to Y3 are each independently N or CH, provided that at least one of Y1 to Y3 is N; Ar1 and Ar2 are each independently a substituted or unsubstituted: C6-?aryl or C2- 60 heteroaryl containing at least one of N, O, and S; R1 to R3 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S; and R?and R5 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-?cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S, and an organic light emitting device including the same.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: May 21, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Dong Hoon Lee, Boon Jae Jang, Min Woo Jung, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Patent number: 11974498
    Abstract: Disclosed are a compound for an organic light-emitting device, and an organic light-emitting diode comprising the same and exhibiting high efficiency. More particularly, the compound has a specific structure represented by Chemical Formula A or B and is used as a material for a hole injection layer or a hole transport layer in an organic light-emitting diode to confer high efficiency on the organic light-emitting diode. Chemical Formulas A and B are as defined in the description.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 30, 2024
    Assignee: SFC CO., LTD.
    Inventors: Seung-Soo Lee, Tae Gyun Lee, Sang-woo Park
  • Patent number: 11964928
    Abstract: A novel organic compound is provided. A novel organic compound having a carrier-transport property is provided. A novel organic compound having a hole-transport property is provided. An organic compound having a low refractive index is provided. An organic compound having a low refractive index and a carrier-transport property is provided. An organic compound having a low refractive index and a hole-transport property is provided. An organic compound represented by the following general formula (G1) is provided.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: April 23, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tomohiro Kubota, Takeyoshi Watabe, Satoshi Seo, Nobuharu Ohsawa
  • Patent number: 11968887
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a diamine compound represented by Formula 1, thereby showing high emission efficiency:
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Takao Sakuma
  • Patent number: 11950494
    Abstract: Provided is an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. M(L1)n1(L2)n2??<Formula 1> M, L1, L2, n1, and n2 in Formula 1 are the same as described in the present specification.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeoungin Yi, Seungyeon Kwak, Juhyun Kim, Sangho Park, Sunyoung Lee, Jiyoun Lee, Yoonhyun Kwak, Hyun Koo, Sunghun Lee, Hyeonho Choi
  • Patent number: 11939293
    Abstract: A novel compound selected from is disclosed.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 26, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Ting-Chih Wang, Vadim Adamovich
  • Patent number: 11944008
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode and including an emission layer, and the organic light-emitting device may include at least one of the heterocyclic compound.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeseul Lee, Soobyung Ko, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im
  • Patent number: 11932787
    Abstract: A two-part curable adhesive composition includes a main agent (A) containing a urethane prepolymer (a1) and a remaining polyisocyanate (a2), and a curing agent (B) containing a non-crystalline polyol compound (b1) and a polyamine compound (b2). An equivalent ratio of an isocyanate group in a raw polyisocyanate to a hydroxyl group in the polyol compound is from 2.05 to 12. The equivalent ratio of the isocyanate group in the main agent (A) to an amino group in the polyamine compound (b2) is from 1.2 to 6. The equivalent ratio of the isocyanate group in the main agent (A) to the hydroxyl group in the non-crystalline polyol compound (b1) is from 2 to 12.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: March 19, 2024
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Kazushi Kimura, Hirokazu Kageyama, Yutaro Yamamoto
  • Patent number: 11932661
    Abstract: A composition for an organic photoelectronic device, an organic photoelectronic device, and a display device, the composition comprising a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2:
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Byungku Kim, Junmo Park, Min Seok Seo, Namheon Lee, Mijin Lee, Kipo Jang, Sung-Hyun Jung, Eunjeong Choi
  • Patent number: 11926765
    Abstract: An adhesive composition for use in debonding with light irradiation, which composition can achieve debonding through irradiation with light, characterized in that the adhesive composition contains an adhesive component (S) and a light-absorbing organic compound (X); and the light-absorbing organic compound (X) contains, in the molecule thereof, one or more aromatic rings, one or more rings each containing a heteroatom forming the ring, and one or more groups selected from among a carbonyl group and a thiocarbonyl group.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: March 12, 2024
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Takahisa Okuno, Shunsuke Moriya, Hiroshi Ogino, Ryo Karasawa, Tetsuya Shinjo
  • Patent number: 11930702
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a diamine compound represented by Formula 1, thereby showing high emission efficiency:
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Takao Sakuma
  • Patent number: 11926701
    Abstract: The present invention relates to novel high-value polycarbonate polyols, to processes for the production thereof, to polyisocyanate prepolymers obtainable therefrom and also polyurethane (PUR) and polyurethane urea elastomers which under particularly demanding applications show unique combinations of processing characteristics, hydrolysis and oxidation stability, mechanical and dynamic mechanical properties.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 12, 2024
    Assignee: Covestro Deutschland AG
    Inventors: Hartmut Nefzger, Harald Knaup, Hans-Peter Huber, Andreas Stumpf, Stephan Reiter
  • Patent number: 11925108
    Abstract: An object of the present invention is to provide an organic compound that has excellent properties, with excellent hole injection and transport performance, electron blocking capability, and high stability in a thin film state, and furthermore to provide a highly efficient and highly durable organic EL device by using this compound. The present invention relates to a compound having a triarylamine structure and being represented by the structural formula (A-1) below, where A, B, and C may be the same or different, and each represent a group represented by the structural formula (B-1) below, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group, where at least one of A, B, and C is not the group represented by the structural formula (B-1) below. (For the symbols and the like in the formulae, see the descriptions in the specification.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 5, 2024
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Takuya Uehara, Kouki Kase, Kyung-Hwa Park, Yuta Hirayama
  • Patent number: 11925106
    Abstract: A condensed cyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the condensed cyclic compound: wherein R1-R6, L1-L2, Ar1, n1, a1-a2, and b3-b6 are described in the specification.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Mitsunori Ito