Patents by Inventor Yasunori Kijima
Yasunori Kijima 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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Publication number: 20140077200Abstract: The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.Type: ApplicationFiled: November 26, 2013Publication date: March 20, 2014Applicants: Sony Corporation, Idemitsu Kosan Co., Ltd.Inventors: Nobuhiro YABUNOUCHI, Masahiro Kawamura, Hisayuki Kawamura, Chishio Hosokawa, Shigeyuki Matsunami, Tadahiko Yoshinaga, Yasunori Kijima
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Publication number: 20130313538Abstract: Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative.Type: ApplicationFiled: July 31, 2013Publication date: November 28, 2013Applicants: Sony Corporation, Idemitsu Kosan Co., Ltd.Inventors: Masahiro KAWAMURA, Takashi Obikawa, Shigeyuki Matsunami, Ichinori Takada, Yasunori Kijima
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Patent number: 8586202Abstract: An organic electroluminescent device, includes: an anode and a cathode of inorganic conducting material; an organic emission functional layer interposed between the anode and the cathode, and that includes an organic emissive layer; and an organic electrode film provided in contact with an outer side of at least one of the anode and the cathode, wherein the organic electrode film is formed using at least one of (I) a combination of a polycyclic aromatic hydrocarbon compound having a backbone of 3- to 7-membered rings, and a benzoimidazole derivative having a substituent in the benzene ring, and (II) an azatriphenylene derivative.Type: GrantFiled: March 24, 2010Date of Patent: November 19, 2013Assignee: Sony CorporationInventors: Yoshiaki Imai, Yasunori Kijima, Emiko Kambe, Tadahiko Yoshinaga
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Patent number: 8569747Abstract: A red light emitting organic electroluminescence device (11) has a structure in which an organic layer (14) including a light emitting layer (14c) is sandwiched between an anode (13) and a cathode (15). In the organic electroluminescence device (11), the light emitting layer (14c) contains, as a host material, a polycyclic aromatic hydrocarbon compound of which a parent skeleton is 4 to 7 rings, together with a red light emitting guest material. In addition, a photosensitizing layer (14d) containing a phosphorescent material having an organic material is provided adjacently to the light emitting layer (14c). Consequently, there are provided a red light organic electroluminescence device being sufficiently good in luminous efficiency and color purity and a display apparatus using the same.Type: GrantFiled: August 3, 2009Date of Patent: October 29, 2013Assignee: Sony CorporationInventors: Tadahiko Yoshinaga, Shigeyuki Matsunami, Yasunori Kijima
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Patent number: 8541111Abstract: A red light-emitting organic electroluminescent device is provided and includes an anode; a cathode; and an organic layer which includes a light-emitting layer and is interposed between the anode and cathode. The light-emitting layer includes a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound whose mother skeleton has a ring member number of from four to seven. The organic electroluminescent device also includes an electron transport layer containing a benzimidazole derivative provided adjacent to the light-emitting layer.Type: GrantFiled: May 8, 2008Date of Patent: September 24, 2013Assignee: Sony CorporationInventors: Emiko Kambe, Shigeyuki Matsunami, Yasunori Kijima
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Patent number: 8530062Abstract: An organic electroluminescent includes an organic layer with a total thickness of 150 nm or over is included between an anode and a cathode. The organic layer includes a light-emitting layer containing a host material of a polycyclic aromatic hydrocarbon compound with a basic skeleton having three to seven ring members, and hole supply layers arranged between the anode and the light-emitting layer and having a smaller thickness than a thickness of the light-emitting layer.Type: GrantFiled: April 2, 2009Date of Patent: September 10, 2013Assignee: Sony CorporationInventors: Emiko Kambe, Yasunori Kijima, Tadahiko Yoshinaga
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Patent number: 8519622Abstract: Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin.Type: GrantFiled: April 26, 2012Date of Patent: August 27, 2013Assignee: Sony CorporationInventors: Yuichi Iwase, Yasunori Kijima, Jiro Yamada
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Patent number: 8512875Abstract: Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative.Type: GrantFiled: May 21, 2008Date of Patent: August 20, 2013Assignees: Idemitsu Kosan Co., Ltd., Sony CorporationInventors: Masahiro Kawamura, Takashi Obikawa, Shigeyuki Matsunami, Ichinori Takada, Yasunori Kijima
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Patent number: 8455863Abstract: An organic electroluminescent element includes an electron-transport layer composed of a heterocyclic compound, a negative electrode composed of a metal material, and a transition-metal-complex layer arranged between the electron-transport layer and the negative electrode.Type: GrantFiled: January 12, 2010Date of Patent: June 4, 2013Assignee: Sony CorporationInventors: Emiko Kambe, Ichinori Takada, Yasunori Kijima
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Publication number: 20120286300Abstract: A display device includes: a third electrode provided on a side of the second electrode opposite to the light-emitting layer; and an efficiency improving layer improving an efficiency of light extraction from the light-emitting layer, and the efficiency improving layer being provided between the second and third electrodes. The first and third electrodes are each in a laminated structure including a first layer being transmissive, and a second layer being transmissive and having a refractive index higher than a refractive index of the first layer.Type: ApplicationFiled: April 12, 2012Publication date: November 15, 2012Applicant: SONY CORPORATIONInventor: Yasunori Kijima
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Patent number: 8294143Abstract: A display unit that secures favorable display performance and has a simple structure is provided. The display unit includes a multilayer structure in which an organic light emitting device group respectively having a plurality of organic light emitting devices that emits cyan light and a plurality of organic light emitting devices that emits magenta light and a color filter group having a plurality of blue filters that transmit blue light and a plurality of yellow filters that transmit yellow light are sequentially layered. In the display unit, the cyan light and the magenta light entering from the organic light emitting device group to the color filter group is converted to blue light by the blue filter, and is respectively converted to green light and red light by the yellow filter. Therefore, compared to a case that the organic light emitting device group emits white light, color separation is more facilitated.Type: GrantFiled: October 6, 2010Date of Patent: October 23, 2012Assignee: Sony CorporationInventors: Toshiaki Imai, Shigeyuki Matsunami, Yasunori Kijima
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Publication number: 20120241726Abstract: Disclosed herein is a display element, including plural light emitting units laminated through a connection layer between a first electrode and a second electrode. The connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function. A display device includes plural display elements. Each of the display elements includes plural light emitting units laminated through a connection layer between a first electrode and a second electrode, and the connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function. An electronic apparatus includes a display device including plural display elements and serving as a display portion. Each of the display elements includes plural light emitting units laminated through a connection layer between a first electrode and a second electrode, and the connection layer contains therein at least one or more kinds of materials having a photoelectric conversion function.Type: ApplicationFiled: February 23, 2012Publication date: September 27, 2012Applicant: SONY CORPORATIONInventor: Yasunori Kijima
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Patent number: 8268457Abstract: Disclosed is a novel compound useful as a constituent of an organic EL device. Also disclosed is a practical organic EL device using this compound. This organic EL device has low driving voltage, long life, and reduced leakage current. Specifically disclosed is a compound characterized by having at least one structure (1) shown below in a molecule.Type: GrantFiled: December 5, 2008Date of Patent: September 18, 2012Assignees: Idemitsu Kosan Co., Ltd., Sony CorporationInventors: Yoshiaki Aoyama, Hironobu Morishita, Chishio Hosokawa, Shigeyuki Matsunami, Yasunori Kijima
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Publication number: 20120222794Abstract: A transfer substrate includes a light transmissive support substrate; a light-heat conversion layer formed on the light transmissive support substrate; and a transfer layer formed on the light heat conversion layer. The transfer layer is a layer transferred as a luminescent layer of an organic electroluminescent element and is made of a metal complex, a fluorescent luminescent dopant and an aromatic hydrocarbon whose matrix skeleton has four to seven rings.Type: ApplicationFiled: May 16, 2012Publication date: September 6, 2012Applicant: SONY CORPORATIONInventors: Shigeyuki Matsunami, Yasunori Kijima
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Publication number: 20120205681Abstract: Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin.Type: ApplicationFiled: April 26, 2012Publication date: August 16, 2012Applicant: SONY CORPORATIONInventors: Yuichi Iwase, Yasunori Kijima, Jiro Yamada
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Publication number: 20120175601Abstract: A display unit that secures favorable display performance and has a simple structure is provided. The display unit includes a multilayer structure in which an organic light emitting device group respectively having a plurality of organic light emitting devices that emits cyan light and a plurality of organic light emitting devices that emits magenta light and a color filter group having a plurality of blue filters that transmit blue light and a plurality of yellow filters that transmit yellow light are sequentially layered. In the display unit, the cyan light and the magenta light entering from the organic light emitting device group to the color filter group is converted to blue light by the blue filter, and is respectively converted to green light and red light by the yellow filter. Therefore, compared to a case that the organic light emitting device group emits white light, color separation is more facilitated.Type: ApplicationFiled: March 16, 2012Publication date: July 12, 2012Applicant: SONY CORPORATIONInventors: Toshiaki Imai, Shigeyuki Matsunami, Yasunori Kijima
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Patent number: 8207088Abstract: A transfer substrate includes a light transmissive support substrate; a light-heat conversion layer formed on the light transmissive support substrate; and a transfer layer formed on the light heat conversion layer. The transfer layer is a layer transferred as a luminescent layer of an organic electroluminescent element and is made of a metal complex, a fluorescent luminescent dopant and an aromatic hydrocarbon whose matrix skeleton has four to seven rings.Type: GrantFiled: August 13, 2008Date of Patent: June 26, 2012Assignee: Sony CorporationInventors: Shigeyuki Matsunami, Yasunori Kijima
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Patent number: 8187728Abstract: An organic electroluminescent is provided having an anode, a cathode, and at least one organic layer including a light-emitting layer provided between the anode and the cathode, wherein the organic layer includes an amine compound represented by the following formula (1): wherein Ar1 to Ar4 each independently represent a specific aromatic group; R1 and R2 each independently represent a hydrogen atom, a halogen atom or a particular substituent group; and n stands for an integer of 1, 2 or 3.Type: GrantFiled: July 15, 2008Date of Patent: May 29, 2012Assignee: Sony CorporationInventors: Shigeyuki Matsunami, Yasunori Kijima
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Patent number: 8179038Abstract: Provided is a display apparatus which can easily bond a drive panel and a sealing panel together. The drive panel includes organic electroluminescence devices on a substrate for drive and extracts light from the side of the organic electroluminescence devices. The sealing panel includes a color filter on a substrate for sealing. The drive panel and the sealing panel are disposed to face each other, and the whole facing surfaces of the drive panel and the sealing panel are bonded together with an adhesive layer. The adhesive layer is cured with at least heat, and is made of only one coating liquid or a combination of two or more coating liquids for curing. A temporary fixing portion is formed in an edge portion of the adhesive layer. The temporary fixing portion is made of, for example, an ultraviolet cure resin, and is formed so as to straddle between the sealing panel and the drive panel to align their relative positions.Type: GrantFiled: September 1, 2010Date of Patent: May 15, 2012Assignee: Sony CorporationInventors: Yuichi Iwase, Yasunori Kijima, Jiro Yamada
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Patent number: 8106391Abstract: An organic EL device includes: an anode, a cathode and an organic thin-film layer interposed between the anode and the cathode, in which the organic thin-film layer includes: an emitting layer containing a host material and a phosphorescent material; and a hole transporting layer provided adjacent to the anode relative to the emitting layer. The hole transporting layer includes a first hole transporting layer and a second hole transporting layer that are sequentially layered on the anode, in which the first hole transporting layer contains an amino compound substituted by an aromatic substituent represented by a formula (1) below and the second hole transporting layer contains at least one of compounds represented by formulae (2) to (5) below.Type: GrantFiled: September 26, 2008Date of Patent: January 31, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventors: Jun Endo, Kenichi Fukuoka, Toshihiro Iwakuma, Chishio Hosokawa, Tadahiko Yoshinaga, Emiko Kambe, Yasunori Kijima