Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Publication number: 20240023426
    Abstract: An organic EL device includes an anode, an emitting layer of first and second emitting layers, and a cathode. The first emitting layer contains a first host material and a first emitting material. The second emitting layer contains a second host material and a second emitting material. The first and second emitting materials emit light having a maximum peak wavelength of 500 nm or less. The triplet energy of the first host material T1(H1) and the triplet energy of the second host material T1(H2) satisfy T1(H1)>T1(H2). The maximum peak wavelength ?1 and FWHM1 of a first film provided by adding the first emitting material to the first host material, and the maximum peak wavelength ?2 and FWHM2 of a second film provided by adding the second emitting material to the second host material satisfy |?1??2|?3 nm and |FWHM1?FWHM2|?2 nm.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 18, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Satomi TASAKI, Emiko KAMBE, Tetsuya MASUDA, Kazuki NISHIMURA
  • Publication number: 20240021867
    Abstract: The present invention addresses a problem of providing a production method for a sulfide solid electrolyte having a high ionic conductivity by pulverizing a sulfide solid electrolyte without complicating the production process. Provided is a production method for a crystalline sulfide solid electrolyte including mixing a raw material inclusion containing at least one selected from a lithium atom, a sulfur atom and a phosphorus atom, and a complexing agent without using a mechanical treating machine to obtain an electrolyte precursor, heating the electrolyte precursor to obtain a complex degradate, performing smoothing treatment on the complex degradate to obtain a smoothed complex degradate, and heating the smoothed complex degradate.
    Type: Application
    Filed: November 11, 2021
    Publication date: January 18, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Yusuke ISEKI
  • Publication number: 20240010813
    Abstract: A resin composition containing a compound including phosphorus and sulfur as constituent elements and having a disulfide bond, and a thermoplastic resin.
    Type: Application
    Filed: November 5, 2021
    Publication date: January 11, 2024
    Applicants: IDEMITSU KOSAN CO.,LTD., OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Atsutaka KATO, Mari YAMAMOTO, Masanari TAKAHASHI, Futoshi UTSUNO, Hiroyuki HIGUCHI
  • Publication number: 20240010798
    Abstract: A lignin composition containing two or more compounds represented by the following formula (1), where the total content of the compounds is 0.06% by mass or more: where in the formula, Ra is a hydrogen atom, a methyl group, an ethyl group, a furyl group, a hydroxymethylfuryl group, a hydroxyphenyl group, a hydroxymethoxyphenol group, or a hydroxydimethoxyphenol group; Rc1 and Rc2 are independently a hydroxyl group, an alkoxy group, an amino group, or a thiol group; R11 to R20 are independently a hydrogen atom, a hydroxyl group, a hydrocarbon group including 1 to 15 carbon atoms, a hydrocarbon ether group including 1 to 15 carbon atoms, or a group containing a carbonyl group.
    Type: Application
    Filed: December 21, 2021
    Publication date: January 11, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yoshihito KOYAMA, Toshifumi MIYAGAWA
  • Publication number: 20240002720
    Abstract: A color conversion particle includes a core; and a shell that contains the core and absorbs excitation light, and emits light at the core or at an interface between the core and the shell upon receiving the irradiated excitation light. The core is composed of a chalcogenide perovskite, and the core and the shell have band alignment that induces a Stokes shift.
    Type: Application
    Filed: November 24, 2021
    Publication date: January 4, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takuya KATO, Toru INATOME, Yuta HIGASHINO, Yusuke ODA, Yoshinori KIMOTO
  • Publication number: 20240008363
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: November 17, 2021
    Publication date: January 4, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Taro YAMAKI, Maiko IIDA, Shintaro BAN, Takamoto MORITA, Yu KUDO
  • Publication number: 20240002896
    Abstract: A peptide of 3 to 8 amino acid residues may include the sequence: XmZnPUq??(I), wherein P is proline, Z is independently a lysine (K) and/or asparagine (N) residue, X is an amino acid residue independently selected from isoleucine (I), phenylalanine (F), methionine (M), alanine (A), valine (V), tryptophan (W), tyrosine (Y), histidine (H), cysteine (C), arginine (R), glutamine (Q) and serine (S), U is an amino acid residue independently selected from arginine (R), glycine (G), serine (S), lysine (K), threonine (T), leucine (L), asparagine (N), histidine (H) and isoleucine (I), m is 0, 1, 2 or 3, n is 1 or 2, and q is 0, 1, 2 or 3.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 4, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazuyoshi KOIKE, Seika OIWA
  • Publication number: 20230422608
    Abstract: An organic electroluminescence device includes an emitting layer between an anode and a cathode, and a first layer between the anode and the emitting layer, in which the emitting layer contains a delayed fluorescent compound M1 represented by a formula (1), the first layer contains a compound M4 represented by a formula (4), and the compound M4 satisfies formulae (a) and (b), ?H(M4)?1.0×10?3 cm2/Vs??Formula (a): S1(M4)?3.15 eV??Formula (b): where: ?H(M4) represents hole mobility of the compound M4; and S1(M4) represents a lowest singlet energy of the compound M4.
    Type: Application
    Filed: March 30, 2023
    Publication date: December 28, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hisato MATSUMOTO, Yukitoshi JINDE, Takushi SHIOMI
  • Publication number: 20230416278
    Abstract: Specific heterocyclic compounds and/or a material, preferably an emitter material, may be used for an organic electroluminescence device including such specific heterocyclic compound(s), e.g., of formula (I) Such a device may include such specific heterocyclic compounds, electronic equipment may include such a device, and a light emitting layer may include host(s) and dopant(s), wherein the dopant includes at least one of such specific heterocyclic compounds. The compound of formula (I) may be used in an organic electroluminescence device.
    Type: Application
    Filed: October 8, 2021
    Publication date: December 28, 2023
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventors: Annemarie WOLLEB, Thomas SCHAEFER, Yuichi NISHIMAE, Daniela SUSTAC-ROMAN
  • Publication number: 20230422606
    Abstract: Provided are a compound that further improves the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic device including the organic electroluminescent device. The compound is represented by the following formula (1): wherein each of the symbols in the formula (1) is defined in the description. The organic electroluminescent device includes the compound; and the electronic device includes the organic electroluminescent device.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 28, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Takuto FUKAMI, Shota TANAKA, Yusuke TAKAHASHI, Tsukasa SAWATO
  • Patent number: 11856808
    Abstract: An organic electroluminescence device includes a first emitting unit, a first charge generating layer, a second emitting unit, a second charge generating layer, and a third emitting unit provided between an anode and a cathode in this order from the anode, in which the second charge generating layer includes an N layer close to the anode and a P layer close to the cathode, the third emitting layer contains a blue fluorescent compound, at least one of the first or second emitting layer contains a blue fluorescent compound, the third emitting unit includes a hole transporting zone between the second charge generating layer and the third emitting layer, the hole transporting zone is in contact with the second charge generating layer, and a thickness of the hole transporting zone is in a range from 5 nm to 40 nm and smaller than a thickness of the N layer.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: December 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Nakamura, Emiko Kambe, Hiroaki Toyoshima, Kazuki Nishimura, Hitoshi Kuma
  • Patent number: 11851560
    Abstract: A polycarbonate-based resin composition, including: a polycarbonate-based resin satisfying requirements (1) and (2); and an inorganic filler blended into the polycarbonate-based resin, wherein a ratio of the filler in 100 mass % of a total amount of the polycarbonate-based resin and the filler is from 0.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro Ishikawa, Tomoko Abe
  • Publication number: 20230406718
    Abstract: Provided is a lithium hydroxide production method for producing high-purity lithium hydroxide efficiently and at a lower energy, wherein Li ions alone are recovered in a recovery liquid from a lithium ion extract extracted from a processed member of a lithium secondary battery, using a Li permselective membrane, and lithium hydroxide is produced from the recovery liquid.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 21, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Daisuke MORI, Masashi MACHIDA, Futoshi UTSUNO, Tsuyoshi HOSHINO
  • Publication number: 20230407202
    Abstract: A lubricating oil composition contains a base oil and a rust inhibitor, in which the base oil has a gas chromatogram measured by gas chromatography satisfying the particular condition (?), and the rust inhibitor is at least one selected from a first rust inhibitor, a second rust inhibitor, a third rust inhibitor, and a fourth rust inhibitor, and satisfies the particular condition (?).
    Type: Application
    Filed: December 23, 2021
    Publication date: December 21, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tokue SATO, Kenji GOTO
  • Publication number: 20230413664
    Abstract: Provided are a compound that further improves the performance of an organic EL element, an organic electroluminescent element having further improved element performance, and an electronic device including the organic electroluminescent element. A compound represented by the following formula (1): wherein each of the symbols in the formula (1) is defined in the description; an organic electroluminescent element including the compound; and an electronic device including the organic electroluminescent element.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 21, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Takuto FUKAMI, Shota TANAKA, Yusuke TAKAHASHI, Tsukasa SAWATO
  • Patent number: 11839148
    Abstract: An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer disposed between the first emitting layer and the cathode, the first emitting layer containing a first host material in a form of a first compound represented by a formula (101) below, the second emitting layer containing a second host material in a form of a second compound represented by a formula (2) below, the first emitting layer and the second emitting layer being in direct contact with each other.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: December 5, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Satomi Tasaki, Kazuki Nishimura, Yuki Nakano, Hiroaki Itoi
  • Patent number: 11839138
    Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode, in which the emitting layer contains a first compound and a second compound, the second compound satisfying (a), (b), (c), and (d) of: (a) a half bandwidth being 30 nm or less; (b) ionization potential being 6.0 eV or less; (c) a singlet energy S1(M2) being 2.6 eV or more; and (d) a peak top in a toluene solution being 465 nm or less.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 5, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Kazuki Nishimura
  • Patent number: 11839153
    Abstract: A compound represented by formula (1) as defined, wherein in any one pair selected from R4 and R5, R5 and R6, and R6 and R7, one member represents a single bond bonded to *a of a group represented by the formula (11), and the other member represents a single bond bonded to *b, in any one pair selected from R1 and R2, R2 and R3, R8 and R9, R9 and R10, and R10 and R11, one member represents a single bond bonded to *a of a group represented by the formula (11) and the other member represents a single bond bonded to *b, or one member represents a single bond bonded to *c of a group represented by the formula (21), and the other member represents a single bond bonded to *d, and R1 to R11 except for the single bonds, Ar, and R21 to R24 are defined.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 5, 2023
    Assignee: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano
  • Publication number: 20230389347
    Abstract: A compound that further improves the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device are provided. A compound represented by the following formula (1): wherein in the formulae (1) and (1-a) or (1-b), N*, Ar1, Ar2, L1, L2, L3, and R1 to R5 are defined in the description, and Ara represents the formula (1-a) or (1-b), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: October 15, 2021
    Publication date: November 30, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shota TANAKA, Tasuku HAKETA, Yusuke TAKAHASHI
  • Publication number: 20230378525
    Abstract: An object of the present invention is to provide sulfide solid electrolyte glass ceramics that have a high ionic conductivity and an enhanced water resistance, and is also to provide a method of producing the sulfide solid electrolyte glass ceramics. Sulfide solid electrolyte glass ceramics that have peaks at 20.2° and 23.6° in an X-ray diffractometry (XRD) using the CuK? line, a crystallite diameter of 30 nm or more, and a P2S64? phosphorus proportion obtained by a solid 31P-NMR spectroscopy of 4.5% by mol or less, and a method of producing the sulfide solid electrolyte glass ceramics are provided.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 23, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kota TERAI, Katsuhito KONDO, Takeshi MAKINO, Atsushi SATO, Hiroyuki HIGUCHI