Patents by Inventor Tomonari Horikiri
Tomonari Horikiri 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).
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Patent number: 9705087Abstract: Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.Type: GrantFiled: February 25, 2016Date of Patent: July 11, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Minako Nakasu, Masataka Yashima, Hajime Muta, Keiji Okinaka, Tomona Yamaguchi, Tomonari Horikiri, Maki Okajima, Naoki Yamada
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Publication number: 20160181528Abstract: Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.Type: ApplicationFiled: February 25, 2016Publication date: June 23, 2016Inventors: MINAKO NAKASU, MASATAKA YASHIMA, HAJIME MUTA, KEIJI OKINAKA, TOMONA YAMAGUCHI, TOMONARI HORIKIRI, MAKI OKAJIMA, NAOKI YAMADA
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Patent number: 9312494Abstract: Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.Type: GrantFiled: December 2, 2010Date of Patent: April 12, 2016Assignee: Canon Kabushiki KaishaInventors: Minako Nakasu, Masataka Yashima, Hajime Muta, Keiji Okinaka, Tomona Yamaguchi, Tomonari Horikiri, Maki Okajima, Naoki Yamada
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Patent number: 9115055Abstract: A novel fluorenylamine compound represented by a general formula below, where R1 to R6 are each independently selected from a hydrogen atom and alkyl groups; R21 to R23 are each independently selected from a hydrogen atom and the alkyl groups; and the alkyl groups are a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a n-butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.Type: GrantFiled: October 18, 2010Date of Patent: August 25, 2015Assignee: Canon Kabushiki KaishaInventors: Tomonari Horikiri, Naoki Yamada, Maki Okajima, Minako Nakasu
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Patent number: 9099656Abstract: A novel organic compound suitably used for a green-light-emitting device and an organic light-emitting device are provided. An organic light-emitting device and an image display apparatus containing a naphtho[2?,3?:5,6]indeno[1,2,3-cd]pyrene derivative represented by general formula (1) as a dopant: wherein in general formula (1), R1 to R16 are each independently selected from a hydrogen atom, a halogen atom, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups, and at least one of R3, R4, R9, and R10 is selected from substituted or unsubstituted aryl groups and substituted or unsubstituted heterocyclic groups.Type: GrantFiled: July 26, 2011Date of Patent: August 4, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Tomonari Horikiri, Jun Kamatani, Masanori Muratsubaki
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Patent number: 9005778Abstract: There is provided a novel organic compound suitably used for a blue light-emitting device and an organic light-emitting device including the novel organic compound. The organic compound is an acephenanthryleno[4,5-k]benzo[e]acephenanthrylene derivative.Type: GrantFiled: April 19, 2011Date of Patent: April 14, 2015Assignee: Canon Kabushiki KaishaInventors: Tomonari Horikiri, Hiroyuki Tomono, Jun Kamatani
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Publication number: 20130126857Abstract: A novel organic compound suitably used for a green-light-emitting device and an organic light-emitting device are provided. An organic light-emitting device and an image display apparatus containing a naphtho[2?,3?:5,6]indeno[1,2,3-cd]pyrene derivative represented by general formula (1) as a dopant: wherein in general formula (1), R1 to R16 are each independently selected from a hydrogen atom, a halogen atom, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups, and at least one of R3, R4, R9, and R10 is selected from substituted or unsubstituted aryl groups and substituted or unsubstituted heterocyclic groups.Type: ApplicationFiled: July 26, 2011Publication date: May 23, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Tomonari Horikiri, Jun Kamatani, Masanori Muratsubaki
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Publication number: 20130038515Abstract: There is provided a novel organic compound suitably used for a blue light-emitting device and an organic light-emitting device including the novel organic compound. The organic compound is an acephenanthryleno[4,5-k]benzo[e]acephenanthrylene derivative.Type: ApplicationFiled: April 19, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Tomonari Horikiri, Hiroyuki Tomono, Jun Kamatani
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Publication number: 20120211742Abstract: A novel fluorenylamine compound represented by a general formula below, where R1 to R6 are each independently selected from a hydrogen atom and alkyl groups; R21 to R23 are each independently selected from a hydrogen atom and the alkyl groups; and the alkyl groups are a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a n-butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.Type: ApplicationFiled: October 18, 2010Publication date: August 23, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Tomonari Horikiri, Naoki Yamada, Maki Okajima, Minako Nakasu
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Publication number: 20120205639Abstract: Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.Type: ApplicationFiled: December 2, 2010Publication date: August 16, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Minako Nakasu, Masataka Yashima, Hajime Muta, Keiji Okinaka, Tomona Yamaguchi, Tomonari Horikiri, Maki Okajima, Naoki Yamada
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Patent number: 7687991Abstract: The present invention provides an organic EL device including: a substrate; a stacked structure having at least a first electrode, a light-emitting layer and a second electrode; a sealing member for sealing the substrate and the stacked structure; and a filling layer which enables easy optical adjustment and has optical properties equal to the optical properties of surrounding materials while preventing moisture from entering in the EL device, wherein a layer containing a water-polymerizable monomer is provided between the stacked structure and the sealing member.Type: GrantFiled: June 22, 2007Date of Patent: March 30, 2010Assignee: Canon Kabushiki KaishaInventor: Tomonari Horikiri
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Patent number: 7682651Abstract: A method for manufacturing a display device, having hollows containing fine particles, for displaying an image using the fine particles includes a step of packing a dispersion in the hollows, the dispersion containing the fine particles, a dispersion medium, and a precursor, dissolved or dispersed in the dispersion medium, for forming a sealing layer; a step of providing a support layer on partitions; a step of coating a face of the support layer and end portions of the partitions with the sealing layer precursor by allowing the face of the support layer and the end portions of the partitions to adsorb the sealing layer precursor, the face of the support layer and the end portions of the partitions being in contact with the dispersion; and a step of forming the sealing layer by subjecting the resulting sealing layer precursor to at least one of polymerization and cross-linking.Type: GrantFiled: March 8, 2005Date of Patent: March 23, 2010Assignee: Canon Kabushiki KaishaInventors: Ricardo Jorge de Albuquerque Martins, Toshihiko Takeda, Tomonari Horikiri
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Publication number: 20090033215Abstract: Provided is an organic EL display apparatus which can prevent, moisture in a planarizing film or outside moisture intruding into the planarizing film, from intruding into a light-emitting portion through a cracked portion of an insulating film, thereby suppressing peripheral degradation. The organic EL display apparatus includes a substrate, an insulating film formed on the substrate and having a plurality of openings at equal intervals, and a plurality of organic EL devices formed in the openings on the substrate and each constituting a light-emitting portion, in which the organic EL layer is formed on an inner side than the opening located at an outermost periphery, and in which in the opening located at an outer periphery of the organic EL layer, a layer which is the same as the first electrode and the second electrode are in contact with each other.Type: ApplicationFiled: July 31, 2008Publication date: February 5, 2009Applicants: CANON KABUSHIKI KAISHA, HITACHI DISPLAYS LTD.Inventors: TOMONARI HORIKIRI, TAKURO YAMAZAKI, MASAHIRO TANAKA, MASATO ITO
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Publication number: 20080157660Abstract: A substrate for an organic EL display including an insulating layer, in which release of a substance derived from a material for the insulating layer by heating at a temperature equal to or lower than a temperature obtained by subtracting 20° C. from a decomposition temperature of the material for the insulating layer is detected by mass spectrometric detection at an S/N ratio smaller than 3/1.Type: ApplicationFiled: December 26, 2007Publication date: July 3, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Junji Ohyama, Tomonari Horikiri, Katsumi Nakagawa, Hiroyuki Fuchigami
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Publication number: 20080012473Abstract: The present invention provides an organic EL device including: a substrate; a stacked structure having at least a first electrode, a light-emitting layer and a second electrode; a sealing member for sealing the substrate and the stacked structure; and a filling layer which enables easy optical adjustment and has optical properties equal to the optical properties of surrounding materials while preventing moisture from entering in the EL device, wherein a layer containing a water-polymerizable monomer is provided between the stacked structure and the sealing member.Type: ApplicationFiled: June 22, 2007Publication date: January 17, 2008Applicant: CANON KABUSHIKI KAISHAInventor: Tomonari Horikiri
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Patent number: 7300971Abstract: A composition comprises a non-aqueous solvent containing reverse micelle particles formed of block polymers having amphipathic properties. A particle composition and a composition wherein particles are dispersed, which exhibits excellent dispersion properties and can form superbly uniform particles, is provided. Further, display elements, a recording method, and recording apparatus, which employ the composition having excellent dispersion properties and forming superbly uniform particles, are provided.Type: GrantFiled: June 10, 2003Date of Patent: November 27, 2007Assignee: Canon Kabushiki KaishaInventors: Koichi Sato, Ikuo Nakazawa, Tomonari Horikiri, Sakae Suda, Masayuki Ikegami
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Patent number: 7044592Abstract: An image forming process provides an excellent ink fixation effect for high speed, low energy consumption printing. Two-valued or multi-valued gradation expression of a picture element, or the smallest output unit, is realized by controlling the number of liquid droplets impacting on a recording medium for each dot formed on the recording medium. The liquid droplets are subjected to physical or chemical modification so as to be fixed to the recording medium. The present invention is also directed to an image forming apparatus, an ink for liquid droplet recording and a liquid droplet ejection and projection method that can use the image forming process.Type: GrantFiled: March 26, 2002Date of Patent: May 16, 2006Assignee: Canon Kabushiki KaishaInventors: Koichi Sato, Hidemasa Mizutani, Kazuharu Katagiri, Yukio Hanyu, Hirokatsu Miyata, Ikuo Nakazawa, Miki Ogawa, Tomonari Horikiri, Masayuki Ikegami
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Publication number: 20060079603Abstract: A composition comprises a non-aqueous solvent containing reverse micelle particles formed of block polymers having amphipathic properties. A particle composition and a composition wherein particles are dispersed, which exhibits excellent dispersion properties and can form superbly uniform particles, is provided. Further, display elements, a recording method, and recording apparatus, which employ the composition having excellent dispersion properties and forming superbly uniform particles, are provided.Type: ApplicationFiled: November 25, 2005Publication date: April 13, 2006Applicant: Canon Kabushiki KaishaInventors: Koichi Sato, Ikuo Nakazawa, Tomonari Horikiri, Sakae Suda, Masayuki Ikegami
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Publication number: 20050256224Abstract: A coloring material (11, 12) carrying an anionic dye (15) on porous silica (16) having mesopores (13) of a uniform size, of which at least a part of the surface is covered with a material (14) capable of binding an anionic substance. The coloring material shows vivid color and is applicable to ink, electrophoretic particles and color filters.Type: ApplicationFiled: May 16, 2003Publication date: November 17, 2005Applicant: CANON KABUSHIKI KAISHAInventors: Hirokatsu Miyata, Akira Kuriyama, Miki Ogawa, Tomonari Horikiri
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Publication number: 20050231795Abstract: A method for manufacturing a display device, having hollows containing fine particles, for displaying an image using the fine particles includes a step of packing a dispersion in the hollows, the dispersion containing the fine particles, a dispersion medium, and a precursor, dissolved or dispersed in the dispersion medium, for forming a sealing layer; a step of providing a support layer on partitions; a step of coating a face of the support layer and end portions of the partitions with the sealing layer precursor by allowing the face of the support layer and the end portions of the partitions to adsorb the sealing layer precursor, the face of the support layer and the end portions of the partitions being in contact with the dispersion; and a step of forming the sealing layer by subjecting the resulting sealing layer precursor to at least one of polymerization and cross-linking.Type: ApplicationFiled: March 8, 2005Publication date: October 20, 2005Applicant: Canon Kabushiki KaishaInventors: Ricardo Jorge Martins, Toshihiko Takeda, Tomonari Horikiri