Patents by Inventor Chihaya Adachi

Chihaya Adachi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • LIGHT-EMITTING MATERIAL, ORGANIC LIGHT-EMITTING DEVICE, AND COMPOUND
    Publication number: 20160380205
    Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), from 0 to 1 of R3 to R5 represents a cyano group, from 1 to 5 of R1 to R5 represent a group represented by the general formula (2) etc., and the balance of R1 to R5 represent a hydrogen atom or a substituent other than above. R11 to R20 represent a hydrogen atom or a substituent, L12 represents a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group.
    Type: Application
    Filed: November 27, 2014
    Publication date: December 29, 2016
    Inventors: Chihaya ADACHI, Takuma YASUDA, Ryosuke KONDO, Masaki NUMATA, Jun-Yun KIM, Inseob PARK
  • LIGHT-EMITTING MATERIAL, ORGANIC LIGHT-EMITTING DEVICE, AND COMPOUND
    Publication number: 20160372682
    Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. R1, R3, and R5 each represent a cyano group, or R1, R2, R4, and R5 each represent a cyano group; and the others of R1 to R6 each represent a group represented by any one of the following general formula (4), etc.
    Type: Application
    Filed: February 25, 2015
    Publication date: December 22, 2016
    Applicant: KYULUX, INC.
    Inventors: Masatsugu TANEDA, Katsuyuki SHIZU, Hiroyuki TANAKA, Hiroki NODA, Hajime NAKANOTANI, Chihaya ADACHI
  • LIGHT-EMITTING MATERIAL, ORGANIC LIGHT-EMITTING DEVICE, AND COMPOUND
    Publication number: 20160343953
    Abstract: A compound represented by the following general formula (1) is useful as a light-emitting material. Y1 and Y2 each independently represent N or C(R7); and R1 to R7 each independently represent a hydrogen atom or a substituent, provided that at least one of R1 and R2, and at least one of R5 and R6 represent a group represented by the following general formula (2). Z represent a divalent linking group having a linking chain length of 1 atom; L1 represents a single bond or a substituted or unsubstituted arylene group; and R11 to R18 each independently represent a hydrogen atom or a substituent.
    Type: Application
    Filed: January 14, 2015
    Publication date: November 24, 2016
    Inventors: Hirokazu KUWABARA, Chihaya ADACHI
  • Organic light-emitting device, and light-emitting material and compound used therefor
    Patent number: 9502668
    Abstract: An organic light-emitting device having a light-emitting layer containing a compound represented by the general formula below has a high light emission efficiency. In the general formula, at least one of R1 to R5 represents a cyano group, at least one of R1 to R5 represents a 9-carbazolyl group, a 1,2,3,4-tetrahydro-9-carbazolyl group, a 1-indolyl group or a diarylamino group, and the balance of R1 to R5 represents a hydrogen atom or a substituent.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: November 22, 2016
    Assignee: KYULUX, INC.
    Inventors: Chihaya Adachi, Hiroki Uoyama, Hiroko Nomura, Kenichi Goushi, Takuma Yasuda, Ryosuke Kondo, Katsuyuki Shizu, Hajime Nakanotani, Jyunichi Nishide
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20160329512
    Abstract: An organic electroluminescent device containing a cathode, an anode, and one or more organic layers containing plural light emitting materials between the cathode and the anode, wherein the organic electroluminescent device is a multiple wavelength light emitting organic electroluminescent device emitting light from the plural light emitting materials, and which is designed so that light that has the shortest wavelength contains delayed fluorescent light can improve light emission efficiency of a short wavelength light and color tone and has a large degree of freedom in design and a simple structure.
    Type: Application
    Filed: March 28, 2014
    Publication date: November 10, 2016
    Inventors: Junichi NISHIDE, Kensuke MASUI, Hajime NAKANOTANI, Chihaya ADACHI
  • LIGHT-EMITTING MATERIAL, AND DELAYED FLUORESCENT EMITTER AND ORGANIC LIGHT-EMITTING DEVICE USING SAME
    Publication number: 20160308145
    Abstract: A light-emitting material containing a compound represented by the general formula (1) is capable of achieving an excellent external quantum efficiency on using in an organic light-emitting device. R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 represents a substituted or unsubstituted carbazolyl group; and Ar1 to Ar3 represent a substituted or unsubstituted aromatic ring or heteroaromatic ring.
    Type: Application
    Filed: November 12, 2014
    Publication date: October 20, 2016
    Inventors: Hiroyuki TANAKA, Hiroki NODA, Katsuyuki SHIZU, Masatsugu TANEDA, Chihaya ADACHI
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20160248036
    Abstract: An organic electroluminescent device comprising at least two organic layers including a light emitting layer (5) and a delayed fluorescent exciplex layer (7) containing a donor compound and an acceptor compound, between a pair of electrodes (2, 9) is highly efficient in formation of a singlet excited state and enables high light emission efficiency.
    Type: Application
    Filed: September 12, 2014
    Publication date: August 25, 2016
    Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Kenichi GOUSHI, Yuta HIRAYAMA, Chihaya ADACHI
  • COMPOUND HAVING TRIPHENYLENE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20160204352
    Abstract: A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of a general formula (1) having a triphenylene ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
    Type: Application
    Filed: August 11, 2014
    Publication date: July 14, 2016
    Inventors: Chihaya Adachi, Takuma Yasuda, Katsuyuki Shizu, Takehiro Takahashi, Kazunori Togashi
  • ORGANIC METAL COMPLEX, LIGHT EMITTING MATERIAL, DELAYED FLUORESCENT MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160185765
    Abstract: An organic metal complex represented by the following general formula is useful as a light emitting material for an organic electroluminescent device and others. X represents O, S or —N(R7)—; Y represents O, S or —N(—SO2—R8)—; R1 to R8 represent H, an alkyl group or an aryl group; at least one of Z1 and Z2 represents a phenoxazin-10-yl group, a phenothiazin-10-yl group, a phenazin-10-yl group, etc.
    Type: Application
    Filed: June 23, 2014
    Publication date: June 30, 2016
    Applicant: DYDEN CO
    Inventors: Yumi SAKAI, Hiroshi MIYAZAKI, Chihaya ADACHI, Naoto NOUTSUKA
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20160190478
    Abstract: An organic electroluminescent device having an anode, a cathode, and a light emitting layer between the anode and the cathode, in which the light emitting layer contains a first organic compound, a second organic compound, and a third organic compound that satisfy the following expression (A), the second organic compound is a delayed fluorescent material, and the third organic compound is a light emitting material, is capable of enhancing the light emission efficiency. ES1(A), ES1(B) and ES1(C) represent a lowest singlet excitation energy level of the first, second and third organic compound, respectively.
    Type: Application
    Filed: August 13, 2014
    Publication date: June 30, 2016
    Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Hajime NAKANOTANI, Chihaya ADACHI, Takahiro HIGUCHI, Taro FURUKAWA
  • COMPOUND, LIGHT EMITTING MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160172600
    Abstract: A compound represented by the general formula (1) is useful as a light emitting material. In the general formula (1), Ar1 to Ar3 represent an aryl group, provided that Ar2 and Ar3 are the same as each other, and at least one of Ar1 to Ar3 represents an aryl group substituted with a group represented by the general formula (2). In the general formula (2), R1 to R8 represent a hydrogen atom or a substituent; Z represents O, S, R9—N, (R10) (R11) C, or (R12) (R13)Si; and R9 to R13 each independently represent a hydrogen atom or a substituent.
    Type: Application
    Filed: July 29, 2014
    Publication date: June 16, 2016
    Inventors: James MACDONALD, Melissa SKIDMORE, Kazunori UENO, Hiroshi MIYAZAKI, Chihaya ADACHI
  • COMPOUND, LIGHT EMITTING MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160164000
    Abstract: A compound represented by A-D-A is useful as a light. emitting material used in an organic electroluminescent device and others.
    Type: Application
    Filed: June 23, 2014
    Publication date: June 9, 2016
    Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Bo Li, Akihiro ORITA, Hiroshi MIYAZAKI, Junzo OTERA, Hiroko NOMURA, Chihaya ADACHI
  • LIGHT EMITTING MATERIAL, DELAYED FLUORESCENT EMITTER, ORGANIC LIGHT EMITTING DEVICE, AND COMPOUND
    Publication number: 20160141516
    Abstract: A compound represented by the following general formula is useful as a light emitting material. X represents an oxygen atom or a sulfur atom. R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 is a carbazolyl group, etc.
    Type: Application
    Filed: July 2, 2014
    Publication date: May 19, 2016
    Applicant: Kyushu University, National University Corporation
    Inventors: Masaki NUMATA, Takuma YASUDA, Jiyoung LEE, Asuka YOSHIZAKI, Chihaya ADACHI
  • COMPOUND HAVING DIAZATRIPHENYLENE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20160064676
    Abstract: A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of a general formula (1) having a diazatriphenylene ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
    Type: Application
    Filed: January 28, 2014
    Publication date: March 3, 2016
    Inventors: Chihaya Adachi, Takuma Yasuda, Katsuyuki Shizu, Takehiro Takahashi, Kazunori Togashi
  • Organic material and photoelectric conversion element
    Patent number: 9246110
    Abstract: An organic material represented by the following General Formula (1): where in the General Formula (1), R1 and R2, which may be identical to or different from each other, each represent an alkyl group having 4 to 24 carbon atoms, X represents a substituted or unsubstituted aromatic hydrocarbon group, Y represents an aromatic hydrocarbon group, an alkoxyl group, or an alkyl group, which may be substituted with a substituent, and n represents an integer of 1 to 3.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: January 26, 2016
    Assignees: RICOH COMPANY, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Ryota Arai, Yu Hidaka, Woong Shin, Chihaya Adachi, Takuma Yasuda
  • COMPOUND, LIGHT EMITTING MATERIAL, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160020402
    Abstract: The compound represented by the following general formula is useful as a light emitting material. Ar1 represents an arylene group, Ar2 and Ar3 represent an aryl group, and R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 represents a diarylamino group.
    Type: Application
    Filed: February 28, 2014
    Publication date: January 21, 2016
    Inventors: Hironori KAJI, Hajime SUZUKI, Katsuaki SUZUKI, Hajime OIWA, Atsushi WAKAMIYA, Tatsuya FUKUSHIMA, Furitsu SUZUKI, Yasujiro MURATA, Katsuyuki SHIZU, Chihaya ADACHI
  • CHARGE TRANSPORT MATERIAL, HOST MATERIAL, THIN FILM AND ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20160020409
    Abstract: A compound represented by the following formula (1) is useful as a charge transporting material. R1 to R6 represent a group represented by the formula (2), R7 represents an aryl group or an aralkyl group, and R11 to R15 represent a hydrogen atom or a substituent.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 21, 2016
    Inventors: Chihaya ADACHI, Takuma YASUDA, Takuro NISHIMOTO, Saeyoun LEE
  • COMPOUND, LIGHT EMITTER, AND ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160005978
    Abstract: A compound represented by D-A-D is useful as a light emitter for an organic electroluminescent device:
    Type: Application
    Filed: February 14, 2014
    Publication date: January 7, 2016
    Inventors: Yuta SAGARA, Hiroyuki TANAKA, Katsuyuki SHIZU, Hiroshi MIYAZAKI, Chihaya ADACHI
  • LIGHT EMITTING MATERIAL AND ORGANIC LIGHT EMITTING DEVICE USING SAME
    Publication number: 20150357582
    Abstract: An organic light emitting device containing a compound represented by the following general formula in a light emitting layer have a high light emission efficiency. In the general formula (1), R1 and R2 represent carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; R5 and R6 represent alkyl; R7, R8 and R9 represent aryl, alkyl or carbazolyl; R10 represents carbazolyl which may be substituted with carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; n1, n2, n6 and n7 represent an integer of from 0 to 4; n5 represents an integer of from 0 to 3; n8 and n9 represent an integer of from 0 to 5; and n10 represents 0 or 1.
    Type: Application
    Filed: January 22, 2014
    Publication date: December 10, 2015
    Inventors: Shuzo HIRATA, Yumi SAKAI, Kensuke MASUI, Katsuyuki SHIZU, Hiroyuki TANAKA, Chihaya ADACHI
  • Heterocyclic compound and use thereof
    Patent number: 9187493
    Abstract: Provided is a novel compound that can be applied to an organic electronics element. More specifically, provided is a novel heterocyclic compound applicable to organic electronics elements such as an organic EL element, an organic solar cell element, an organic transistorelement and an organic semiconductor laser element. The compound is a heterocyclic compound represented by the following general formula (1): wherein R1 and R2 independently represent a hydrogen atom, an aryl group that may have a substituent or an alkyl group that may have a substituent; m and n independently represent an integer of 1 to 4; and when R1 and R2 are two or more, one of R1's and one of R2's may be each the same as or different from one another.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: November 17, 2015
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Kazuo Takimiya, Chihaya Adachi, Masaaki Ikeda