The Five-membered Hetero Ring Shares Ring Carbons With Two Benzene Rings (i.e., Carbazoles) Patents (Class 548/440)
  • Patent number: 12247043
    Abstract: Provided are spiro-bisilepine compounds. Also provided are formulations comprising these spiro-bisilepine compounds. Further provided are OLEDs and related consumer products that utilize these spiro-bisilepine compounds.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 11, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler Fleetham, Suman Layek
  • Patent number: 12245499
    Abstract: Provided are a heterocyclic compound having a novel structure and an organic light-emitting device including the same. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an organic layer between the first electrode and the second electrode and including an emission layer, and the organic layer includes the heterocyclic compound.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: March 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Soobyung Ko, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im
  • Patent number: 12173114
    Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: December 24, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Norihito Ishii, Takahiro Fujiyama, Masashi Tsuji, Naotoshi Suganuma, Yusaku Konishi, Dae Young Chung, Eun Joo Jang, Ha Il Kwon, Hyo Sook Jang, Soonmin Cha, Tae Ho Kim, Fumiaki Kato
  • Patent number: 12146087
    Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 19, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Keita Seda, Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano, Thomas Schaefer, Peter Murer, Carsten Rothe
  • Patent number: 12142236
    Abstract: According to one embodiment, a liquid crystal display device with an optical sensor includes a display panel and a driver IC. The display panel includes first to third signal lines, an optical sensor including a photoelectric conversion element, and a sensor signal line that is connected to the optical sensor and transmits a detection signal to the driver IC. One first wiring line drawn from one terminal of the driver IC is connected to four switching elements. Three of the four switching elements are electrically connected to one of the first to third signal lines, respectively. One of the four switching elements, different from the three switching elements, is electrically connected to the sensor signal line.
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: November 12, 2024
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Akihiko Saitoh, Teppei Yamada
  • Patent number: 12120952
    Abstract: Using a compound represented by a general formula (A)m-L-(D)n, a light-emitting device having a high emission efficiency can be provided. L is an (m+n)-valent aromatic linking group; A is a group having a positive Hammett's ?p value; D is a group having a negative Hammett's ?p value; m is an integer of 1 or more; n is an integer of 2 or more. Two of plural D's differ in point of the substituent condition at specific aromatic rings.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: October 15, 2024
    Assignee: KYULUX, INC.
    Inventors: Hajime Nakanotani, Hiroki Noda, Chihaya Adachi, Naoto Notsuka, Yoshitake Suzuki
  • Patent number: 12108664
    Abstract: The present invention relates to an organic compound of formula (1), suitable for use as a layer material for electronic devices, and it relates to an organic semiconductor layer comprising at least one compound thereof, as well as to an organic electronic device comprising at least one organic semiconductor layer, and a method of manufacturing the same.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: October 1, 2024
    Assignee: Novaled GmbH
    Inventors: Elena Galan Garcia, Benjamin Schulze, Jens Wutke, Horst Hartmann
  • Patent number: 12091403
    Abstract: The present invention relates to a compound for an organic electric element, an organic electric element using same, and an electronic device thereof. According to the present invention, high light-emitting efficiency, low driving voltage, and high heat resistance can be achieved in the element, and the color purity and lifespan of the element can be improved.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 17, 2024
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Yu Ri Kim, Jong Gwang Park, Yun Suk Lee, Yong Wook Park, Hyun Ji Oh
  • Patent number: 12069949
    Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: August 20, 2024
    Inventors: Hsiao-Fan Chen, Tongxiang (Aaron) Lu, Nicholas J. Thompson, Eric A. Margulies, George Fitzgerald, Jerald Feldman
  • Patent number: 12029112
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the composition including a first compound; a second compound; and a third compound, the first compound, the second compound, and the third compound are different from each other, the first compound is represented by Chemical Formula I, the second compound is represented by Chemical Formula II or Chemical Formula III, and the third compound is represented by Chemical Formula II or Chemical Formula III,
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: July 2, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Yongtak Yang, Dong Min Kang, Hyung Sun Kim, Jinhyun Lui, Seungin Park, Jaejin Oh, Sung-Hyun Jung, Ho Kuk Jung, Youngkyoung Jo, Pyeongseok Cho, Dalho Huh
  • Patent number: 12029113
    Abstract: The present disclosure relates to an organic compound having improved luminescent properties, an organic light emitting diode and organic light emitting device including the organic compound, the organic compound having the following structure. The organic compound is a bipolar compound having both a p-type moiety and an n-type moiety and has high energy level, large energy bandgap and improved thermal stability. Applying the organic compound into an emissive layer of the OLED allows holes and electrons to be recombined at whole area of an emitting material layer, and thereby enhancing the luminous efficiency and the luminous lifetime of the OLED.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: July 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: In-Ae Shin, Suk-Young Bae, Kyung-Jin Yoon
  • Patent number: 12022729
    Abstract: Provided are a compound capable of lowering a driving voltage, enhancing light emitting efficiency and thermal resistance, and improving lifespan and color purity of the element, an organic element using the same, and an electric device for the same.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: June 25, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jung Cheol Park, Yeon Hee Choi, Mun Jae Lee, Soung Yun Mun, Ki Won Kim, Nam Jin Park, Sun Pil Hwang
  • 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: 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: 11963444
    Abstract: The present disclosure provides an organic compound, an organic electroluminescent device and an electronic apparatus including the same, and belongs to the field of organic electroluminescence. The organic compound of the present disclosure has a structure represented by a formula 1, and when the organic compound is applied to an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: April 16, 2024
    Assignee: Shaanxi Lighte Optoelectronics Material Co., Ltd.
    Inventors: Tiantian Ma, Min Yang, Lei Yang, Yan Zang, Kongyan Zhang
  • Patent number: 11959016
    Abstract: A composition for inhibiting corrosion in gas wells includes a pyrazolopyridine derivative. The pyrazolopyridine derivative includes a pyridyl moiety, a first pyrazole moiety, a second pyrazole moiety, and a phenyl moiety. The first pyrazole moiety is bound to the pyridyl moiety. The second pyrazole moiety is bound to the pyridyl moiety. The phenyl moiety is bound to the pyridyl moiety. The composition can be flowed into a wellbore formed in a subterranean formation, thereby inhibiting corrosion in the wellbore.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 16, 2024
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Ime Bassey Obot, Mumtaz A. Quraishi, Ahmad A. Sorour, Tao Chen, Qiwei Wang, Mohammed A. Bataweel, Bader Ghazi Al-Harbi
  • 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: 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: 11890351
    Abstract: Novel biomolecular conjugates containing non-natural aromatic chemical moieties covalently coupled to a diazonium compound and methods of their use are disclosed.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: February 6, 2024
    Assignee: Trustees of Boston College
    Inventors: Abhishek Chatterjee, Partha Sarathi Addy
  • Patent number: 11839096
    Abstract: An organic sensor includes a first electrode, a second electrode, an organic active layer between the first electrode and the second electrode, and a protective layer between the organic active layer and the second electrode. Capacitance provided of the first electrode, the protective layer, and the second electrode is less than or equal to about 2×10?10 F.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: December 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Sung Jun Park, Chul Joon Heo, Kyung Bae Park, Gae Hwang Lee, Yong Wan Jin
  • Patent number: 11832513
    Abstract: The present application relates to triarylamine compounds of a defined formula. The present application further relates to processes for preparing the compounds, to the use of the compounds in electronic devices, and to electronic devices comprising the compounds.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: November 28, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Christian Wirges, Teresa Mujica-Fernaud, Elvira Montenegro, Frank Voges, Florian Maier-Flaig, Thomas Eberle
  • Patent number: 11832516
    Abstract: A compound represented by the following general formula is an excellent light-emitting material. R1 to R5 each independently represent a hydrogen atom or a substituent, and one of R1 to R5 is a cyano group, one to three of R1 to R5 each are an aryl group Ar optionally substituted with an alkyl group or an aryl group, and one to three of R1 to R5 each are a donor group D (but excepting one that corresponds to Ar).
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: November 28, 2023
    Assignee: KYULUX, INC.
    Inventors: Naoto Notsuka, YuSeok Yang, Asuka Yoshizaki
  • Patent number: 11825743
    Abstract: An organic molecule is disclosed comprising: a first chemical unit having a structure according to Formula I and two second chemical units, which are respectively the same or different in each occurrence, and have a structure according to Formula II, wherein, in each case, the first chemical unit is connected to the two second chemical units via a single bond.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Stefan Seifermann
  • Patent number: 11814404
    Abstract: Disclosed are compounds of formula I and II and pharmaceutically acceptable salts thereof. Also disclosed are methods of treating a neurodegenerative disorder, an inflammatory disease, an autoimmune disease, an ophthalmic disease or a metabolic disorder using the compounds disclosed herein.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: November 14, 2023
    Assignees: ANNEXON, INC., APTUIT (VERONA) SRL
    Inventors: Dean R. Artis, Colin P. Leslie, Luca B. Mileo, Claudia Beato, Federico Sorana, Bruno Di Guglielmo, Chiara Padroni
  • Patent number: 11800730
    Abstract: The present invention provides an organic light emitting device having improved driving voltage, efficiency and lifetime.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: October 24, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Seong Mi Cho, Min Woo Jung, Dong Hoon Lee, Tae Yoon Park, Jeong Wook Mun, Jung Ha Lee, Ju Young Lee
  • Patent number: 11793073
    Abstract: A compound having a structure of Formula I is disclosed.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 17, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Zhiqiang Ji
  • Patent number: 11778903
    Abstract: A novel organic compound having an emission spectrum peak at a wavelength longer than 850 nm and an absorption spectrum peak at a wavelength longer than 600 nm is provided. The organic compound is represented by General Formula (G1). In General Formula (G1), Ar1 to Ar4 each independently represent an aryl group having 6 to 13 carbon atoms in a ring. R1 to R8 each independently represent anyone of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 13 carbon atoms in a ring, and a heteroaryl group having 3 to 13 carbon atoms in a ring. Q1 and Q2 each independently represent a group having a carbazole skeleton or a group having a triarylamine skeleton and having 18 to 30 carbon atoms in a ring. Furthermore, m and n each independently represent 0 or 1.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: October 3, 2023
    Inventors: Kaori Ogita, Anna Tada, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo
  • Patent number: 11778894
    Abstract: Disclosed is an organic light-emitting diode device (OLED) structure, in particular to a high-efficiency organic light-emitting diode device comprising a boron-containing compound. The organic light-emitting diode device prepared by the present invention comprises: an anode, a hole injection or transport layer, a light-emitting layer, an electron injection or transport layer, and a cathode, wherein the light-emitting layer comprises a host material and a doping material, the host material can be composed of a single material or a mixture of materials with different structures; the doping material is a boron-containing organic compound with a singlet-triplet energy gap of not more than 0.2 eV; the singlet and triplet energy levels of the host material are higher than those of the doping material, which can prevent the energy return and avoid the reduction in the light emitting efficiency of the device. Further provided is a preparation method of the organic light-emitting diode device.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: October 3, 2023
    Assignee: JIANGSU SUNERA TECHNOLOGY CO., LTD.
    Inventors: Chong Li, Zhonghua Ye, Zhaochao Zhang, Lichun Wang
  • Patent number: 11723271
    Abstract: An organic compound, and an electronic component and an electronic device using same, and the organic compound has a structure as shown in a formula A, a formula B, a formula D or a formula F. Ar is selected from substituted or unsubstituted aryl with 6 to 30 carbon atoms and substituted or unsubstituted heteroaryl with 3 to 30 carbon atoms, and Het is selected from substituted or unsubstituted nitrogen-containing heteroaryl with 2 to 20 carbon atoms, and the nitrogen-containing heteroaryl at least contains two N atoms. The organic compound of the present disclosure can significantly reduce a driving voltage of a device and increase a service life of the device; and in addition, the organic compound of the present disclosure can further improve an efficiency of the device.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 8, 2023
    Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.
    Inventors: Tiantian Ma, Lei Yang, Linlin Hu
  • Patent number: 11702550
    Abstract: A coating composition, an organic light emitting device using the same, and a method for manufacturing the same are disclosed herein. In some embodiments, a coating composition including a compound represented by Formula 1 and a compound represented by Formula 2. In some embodiments, an organic light emitting device includes a first electrode, a second electrode, and an organic material layer having one or more layers provided between the first electrode and the second electrode, wherein the one or more layers comprise the coating composition or a cured product thereof.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: July 18, 2023
    Inventors: Sungkyoung Kang, Hyeonah Shin, Kwanghyun Kim, Youngju Park, Hwakyung Kim, Hyungil Park, Jaesoon Bae, Jaechol Lee, Ho Gyu Lee, Seog Jae Seo
  • Patent number: 11697645
    Abstract: A heterocyclic compound, a composition including the heterocyclic compound, and an organic light-emitting device including the heterocyclic compound are disclosed. The heterocyclic compound is represented by Formula 1: wherein, X1, L1, a1, Ar1, R1 to R6, b3, b4, and b5 are described herein.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaki Numata, Mitsunori Ito, Norihito Ishii, Rie Sakurai
  • Patent number: 11678567
    Abstract: This invention discloses a novel two dimensional material having propellane core for organic light emitting diodes. These compounds can be used as hosts, charging transporting materials, or blocking materials for PHOLEDs. The devices comprising these compounds have better performance due to the honeycomb pi-extended structure in the propellane molecules.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: June 13, 2023
    Assignee: Universal Display Corporation
    Inventors: Bin Ma, Chun Lin
  • Patent number: 11655205
    Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device, and a display device including the same, the compound being represented by Chemical Formula 1:
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Jinhyun Lui, Hyunji Yoo, Youngkyoung Jo, Seungchul Lyu, Min Seok Seo, Ho Kuk Jung, Sung-Hyun Jung
  • Patent number: 11653563
    Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A and 2B.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong-Suk Kim, Hee-Yeon Kim, Hwan-Hee Cho, Seung-Gak Yang
  • Patent number: 11638390
    Abstract: The present disclosure relates in part to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: April 25, 2023
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D Hirzel, Shuo-Hsien Cheng, Yu Seok Yang, Naoto Notsuka, Yoshitake Suzuki, Ayataka Endo, Keiro Nasu, Tsang Ping Kuen
  • Patent number: 11611044
    Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A and 2B.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong-Suk Kim, Hee-Yeon Kim, Hwan-Hee Cho, Seung-Gak Yang
  • Patent number: 11608327
    Abstract: The present invention describes amines with dibenzofuran, dibenzothiophene and fluorene groups, especially for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: March 21, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber, Elvira Montenegro, Caroline Wern
  • Patent number: 11600782
    Abstract: Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 7, 2023
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Chuanjun Xia
  • Patent number: 11588113
    Abstract: Disclosed is an organic light emitting diode (OLED) includes a first emitting material layer, which includes a first compound and a second compound, and a second emitting material layer, which includes a third compound and a fourth compound, wherein a HOMO energy level of the first compound is higher than a HOMO energy level of the second compound and a HOMO energy level of the third compound is lower than a HOMO energy level of the fourth compound, and an organic light emitting device having the OLED. The OLED and the organic light emitting device disclosed have enhanced luminous efficiency, color purity and luminous life span as well as low driving voltage by applying the emitting material layer.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: February 21, 2023
    Assignees: LG DISPLAY CO., LTD., LG CHEM, LTD.
    Inventors: Tae-Ryang Hong, Hyong-Jong Choi, Jun-Yun Kim, Wan-Pyo Hong, Jin-Joo Kim, Hong-Sik Yoon
  • Patent number: 11578063
    Abstract: The present invention relates to compounds of formula (1) which are suitable for use in electronic devices:
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: February 14, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Rouven Linge, Sebastian Meyer, Lara-Isabel Rodriguez
  • Patent number: 11572592
    Abstract: The invention provides monoferrocenyl compounds of general formula I. The invention also provides substrates labelled with the compounds, functionalised derivatives of the compounds and methods of using the compounds, functionalised derivatives and labelled substrates in electrochemical assays.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: February 7, 2023
    Assignee: Binx Health Limited
    Inventors: Barrie J. Marsh, Christopher G. Frost, Jonathan Sharp
  • Patent number: 11569454
    Abstract: Provided are an organic-light-emitting device and a display apparatus including the same. The 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 and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeyong Lee, Taekyung Kim, Minkyung Kim, Seulong Kim, Pilgu Kang, Jiyoung Kwon, Soonchul Chang, Jaehoon Hwang
  • Patent number: 11538996
    Abstract: The present invention relates to a process to produce compounds of the formula (1) which are suitable for use in electronic devices, as well as to intermediate compounds of formula (Int-1) and compounds of formula (1-1) and (1-2) obtained via the process. These compounds are particularly suitable for use organic electroluminescent devices. The present invention also relate to electronic devices, which comprise these compounds.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: December 27, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Frank Voges, Teresa Mujica-Fernaud, Elvira Montenegro
  • Patent number: 11495745
    Abstract: Provided is a compound of Chemical Formula 1: where R1 and R2 are each independently hydrogen, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 haloalkoxy, halogen, cyano, tri(C1-60 alkyl)silyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of O, N, Si and S, R3 and R4 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 haloalkoxy, halogen, cyano, tri(C1-60 alkyl)silyl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of O, N, Si and S, and Ar is C6-60 aryl, or C2-60 heteroaryl containing at least one of O, N, Si and S, wherein the C6-60 aryl, or C2-60 heteroaryl is substituted with 1 to 5 substituents each selected from th
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 8, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jun Yun, Joo Yong Yoon, Yeon Hwan Kim, Wanpyo Hong
  • Patent number: 11484871
    Abstract: Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst comprising a chromium compound coordinated with a ligand and a co-catalyst comprising an organoaluminum compound. The ligand may include have a chemical structure according to formula (I), wherein at least one of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 have the structure according to formula (II) wherein RA, RB, RC, and RD and the remainder of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently chosen from a hydrogen or a (C1-C50) hydrocarbyl group.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: November 1, 2022
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
    Inventors: Ea Jaseer, Samir Barman, Nestor Garcia Villalta, Motaz Khawaji, Wei Xu, Fahad Almalki
  • Patent number: 11393984
    Abstract: An organic molecule is disclosed comprising: a first chemical moiety with a structure of formula I, and two second chemical moieties, independently from another with a structure of formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: July 19, 2022
    Assignee: CYNORA GmbH
    Inventor: Alhama Arjona Esteban
  • Patent number: 11261374
    Abstract: The present invention addresses the issue of providing: a novel squarylium compound that has high light-emission efficiency, in particular little reduction in light-emission efficiency in a solid membrane, and is capable of emitting a near-infrared light having excellent light resistance; and a light-emitting composition and a light-emitting film that contain said squarylium compound. This squarylium compound is characterized by having a structure indicated by general formula (1).
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: March 1, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventor: Ryutaro Sugawara
  • Patent number: 11239439
    Abstract: To provide a light-emitting material of a light emitting layer, particularly a dopant material or a host material of a light emitting layer emitting delayed fluorescence, or a material suitable for a hole blocking layer, as a material for an organic electroluminescent device having a high efficiency, and also to provide an organic photoluminescent device or an organic electroluminescent device having a high efficiency and a high luminance, particularly an organic EL device suppressed in the roll-off phenomenon, by using the material. A material for an organic electroluminescent device, containing a benzonitrile derivative of the following general formula (1), and an organic electroluminescent device containing a pair of electrodes and one layer or plural layers including at least a light emitting layer intervening between the electrodes, the organic electroluminescent device using the material.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: February 1, 2022
    Assignees: Hodogaya Chemical Co., Ltd., Hirata Corporation, Kyulux, Inc.
    Inventors: Chihaya Adachi, Jun-Ichi Nishide, Yasuhide Hiraga, Takehiro Takahashi
  • 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
  • Patent number: 11043638
    Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound. The second compound is represented by a formula (2) below, in which X is a nitrogen atom or a carbon atom bonded to Y; R21 to R26 are each independently a hydrogen atom or a substituent; Z21 and Z22 are each independently selected from the group consisting of a halogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted aryloxy group.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: June 22, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshinari Ogiwara, Kei Yoshida, Yuichiro Kawamura