Patents by Inventor Takatoshi Kira
Takatoshi Kira 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: 8749751Abstract: To provide a method for producing liquid crystal display panels from a panel assembly, the display panels having a panel thickness smaller than that of the assembly, by which favorable scribe grooves can be formed, which therefore allows contribution to thin profiles and narrow frame regions of the display panels. The method includes a first scribe-formation step of forming, after a first step of thinning a TFT substrate assembly 20A and a CF substrate assembly 30A of a panel assembly 10A by etching, first scribe grooves 20b on an outer surface 20a of the TFT substrate assembly 20A along regions where seals 40 are disposed, and a second thinning step of further thinning the substrate assemblies 20A and 30A by etching, and developing the first scribe grooves 20b formed on the outer surface 20a to expose portions of the seals 40 at bottoms of the first scribe grooves 20b.Type: GrantFiled: August 5, 2010Date of Patent: June 10, 2014Assignee: Sharp Kabushiki KaishaInventors: Hiroki Makino, Takatoshi Kira, Mitsuaki Morimoto
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Publication number: 20140092338Abstract: A display module 1 of the present invention includes a first board 3, a second board 4, a base film 5, and a circuit member 2. The first board 3 and the second board 4 are bonded together to face with each other. The base film 5 is provided between the first board 3 and the second board 4 and extends outwardly from an end of the first board 3. The base film 5 has an insulating property and the extended portion is bent to an outer surface side of one of the first board 3 and the second board 4. The circuit member 2 is formed on the base film 5.Type: ApplicationFiled: April 23, 2012Publication date: April 3, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Hiroki Miyazaki, Motoji Shiota, Takatoshi Kira, Gen Nagaoka, Seiji Muraoka, Makoto Tamaki, Keiji Aota, Yukio Shimizu, Takashi Matsui, Hiroki Nakahama, Hiroki Makino, Minoru Horino
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Publication number: 20140045287Abstract: A method of manufacturing liquid crystal display devices according to the present invention includes: forming a protective film on a first base substrate; forming a circuit element part on the first base substrate and/or the protective film; bonding a second base substrate to the first base substrate to form bonded substrates including both substrates, the circuit element part being therebetween; forming a first incision on a outer surface of the first base substrate on which the protective film is formed, at a location overlapping with the protective film; wet-etching the formed first incision to make the incision deeper; forming a second incision on an outer surface of the second base substrate at a location overlapping the first incision, and dividing the bonded substrates along the first incision and the second incision, thereby forming a plurality of individual bonded substrates.Type: ApplicationFiled: April 13, 2012Publication date: February 13, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Hiroki Makino
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Publication number: 20130250227Abstract: The width W1 of a groove (5a) is formed narrower than the width W2 of a groove (6a). The width W2 of the groove (6a) is formed at a prescribed width such that a sealing material (8) that overflows the groove (5a) can be formed along the groove (6a). The sealing material (8) spreads across the entirety of the groove (5a) and the groove (6a) when a color filter substrate (2) and an active matrix substrate (3) are bonded together. The groove (5a) is formed so as to be positioned within the groove (6a) in a plan view.Type: ApplicationFiled: November 30, 2011Publication date: September 26, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Tazo Ikeguchi
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Publication number: 20130010250Abstract: Disclosed is a liquid crystal display device that has a narrower frame and that prevents a sealing member from entering a display region. The disclosed liquid crystal display device is provided with a first substrate and a second substrate arranged facing each another, a liquid crystal layer provided between the first and the second substrates, and a sealing member that bonds together the first and second substrates and that seals the liquid crystal layer therebetween. On the first substrate or the second substrate, a recess is made between the sealing member and the display region in the corner portion of the substrate.Type: ApplicationFiled: February 9, 2011Publication date: January 10, 2013Applicant: SHARP KABUSHIKI KAISHAInventor: Takatoshi Kira
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Publication number: 20120224133Abstract: To provide a method for producing liquid crystal display panels from a panel assembly, the display panels having a panel thickness smaller than that of the assembly, by which favorable scribe grooves can be formed, which therefore allows contribution to thin profiles and narrow frame regions of the display panels. The method includes a first scribe-formation step of forming, after a first step of thinning a TFT substrate assembly 20A and a CF substrate assembly 30A of a panel assembly 10A by etching, first scribe grooves 20b on an outer surface 20a of the TFT substrate assembly 20A along regions where seals 40 are disposed, and a second thinning step of further thinning the substrate assemblies 20A and 30A by etching, and developing the first scribe grooves 20b formed on the outer surface 20a to expose portions of the seals 40 at bottoms of the first scribe grooves 20b.Type: ApplicationFiled: August 5, 2010Publication date: September 6, 2012Applicant: Sharp Kabushiki KaishaInventors: Hiroki Makino, Takatoshi Kira, Mitsuaki Morimoto
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Patent number: 6991324Abstract: In a solution emitting head for emitting a solution through an outlet, having a main body including a cavity, a cover attached to the main body in such a manner that the cover covers the cavity to form a chamber so that the solution is stored in the chamber temporarily before being emitted from the outlet, and a solution pressurizing device for pressurizing the solution in the chamber, the cover is fixedly attached to the main body by one of metal-to-metal bonding and an adhesive dissolution-resistant against the solution between the cover and the main body.Type: GrantFiled: March 13, 2003Date of Patent: January 31, 2006Assignees: Sharp Kabushiki Kaisha, Hitachi Industries Co., Ltd., JSR CorporationInventors: Naoki Watase, Hironori Toyoshima, Tsuneyoshi Shimizu, Makoto Nakahara, Daisuke Ikesugi, Takatoshi Kira, Yoshihisa Ohta
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Publication number: 20060016355Abstract: A flexographic printing plate includes a raised part (2) for transferring a printing substance to a printing substrate, the raised part (2) having a top surface and a side, the top surface and the side forming an angle of not less than 90° and not more than 105°. More preferably, the top surface and the side form an angle of not less than 95° and not more than 100°. A flexographic printer includes a flexographic printing plate as described above.Type: ApplicationFiled: September 5, 2003Publication date: January 26, 2006Inventors: Yuji Saai, Takatoshi Kira, Mitsuaki Morimoto, Makoto Nakahara, Shinichiro Kawabe, Makoto Nakahara, Yuichi Komura, Yoshimi Saito
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Patent number: 6961112Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: GrantFiled: April 15, 2004Date of Patent: November 1, 2005Assignees: Sekisui Chemical Co., Ltd., Sharp Kabushiki KaishaInventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Patent number: 6939431Abstract: Pastes for circuit connections and anisotropic conductive pastes that are excellent in storage stability and dispenser application properties, can be free of voids, bubbles and bleeding on thermocompression bonding and can give cured products having high bonding and connection reliability at high temperatures and high humidity, and the ability to be repaired. The paste for circuit connection contains an epoxy resin, an acid anhydride curing agent or a phenolic curing agent, and high-softening point fine particles. The anisotropic conductive paste additionally contains conductive particles. The method of using the paste for circuit connection or the anisotropic conductive paste involves connecting an electric circuit wiring formed on a substrate with an electric circuit wiring formed on another substrate with the paste for circuit connection or the anisotropic conductive paste.Type: GrantFiled: December 2, 2002Date of Patent: September 6, 2005Assignees: Mitsui Chemicals, Inc., Sharp CorporationInventors: Yasushi Mizuta, Tatsuji Murata, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi
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Patent number: 6930746Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: GrantFiled: June 12, 2003Date of Patent: August 16, 2005Assignees: Sekiusi Chemical Co., Ltd., Sharp Kabushiki KaishaInventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Publication number: 20040257520Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: ApplicationFiled: April 15, 2004Publication date: December 23, 2004Applicants: Sharp Kabushiki Kaisha, Sekisui Chemical Co., Ltd.Inventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Patent number: 6744485Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: GrantFiled: June 12, 2003Date of Patent: June 1, 2004Assignees: Sekiusi Chemical Co., Ltd., Sharp Kabushiki KaishaInventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Patent number: 6649221Abstract: Provided is a spacer microparticle spraying apparatus capable of selectively disposing spacer microparticles in electrode gaps where no pixels are present even on a substrate carrying an array of stripe electrodes in use for the STN liquid crystal display device, to a spacer particle spraying method and a method of manufacturing a liquid crystal display device which utilize said apparatus. The spacer microparticle spraying apparatus for selective disposition of a charged spacer microparticle on a substrate carrying a plurality of electrodes includes a spraying chamber adapted to accommodate the substrate, a spacer microparticle supply means for supplying the spacer microparticle into the spraying chamber and spraying it on the substrate, and a voltage application means for applying voltages to the electrodes disposed on the substrate, wherein the voltage application means is capable of applying different levels of voltages to the electrodes respectively.Type: GrantFiled: June 21, 2000Date of Patent: November 18, 2003Assignees: Sekisui Chemical Co., Ltd., Sharp Kabushiki Kaisha, Nisshin Engineering, Inc.Inventors: Akihiko Tateno, Hiroyuki Nakatani, Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Publication number: 20030210303Abstract: In a solution emitting head for emitting a solution through an outlet, having a main body including a cavity, a cover attached to the main body in such a manner that the cover covers the cavity to form a chamber so that the solution is stored in the chamber temporarily before being emitted from the outlet, and a solution pressurizing device for pressurizing the solution in the chamber, the cover is fixedly attached to the main body by one of metal-to-metal bonding and an adhesive dissolution-resistant against the solution between the cover and the main body.Type: ApplicationFiled: March 13, 2003Publication date: November 13, 2003Inventors: Naoki Watase, Hironori Toyoshima, Tsuneyoshi Shimizu, Makoto Nakahara, Daisuke Ikesugi, Takatoshi Kira, Yoshihisa Ohta
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Publication number: 20030206264Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: ApplicationFiled: June 12, 2003Publication date: November 6, 2003Applicants: Sharp Kabushiki Kaisha, Sekisui Chemical Co., Ltd.Inventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Patent number: 6639644Abstract: This invention has its object to provide a method of liquid display device production which enables spacer disposition in interelectrode spaces not having electrode, namely at black matrix sites, in STN type and TFT type liquid crystal display devices and further enables even spacer disposition to attain a uniform cell thickness all over the substrate to thereby produce liquid crystal display devices of high contrast and high display uniformity stably and in good yields, with a reduced spray step tact time, as well as liquid crystal display devices produced by such method.Type: GrantFiled: October 18, 2000Date of Patent: October 28, 2003Assignees: Sekisui Chemical Co., Ltd., Sharp Kabushiki KaishaInventors: Akihiko Tateno, Hiroyuki Nakatani, Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Publication number: 20030184702Abstract: This invention has its objects to provide a liquid crystal display exhibiting excellent display quality having good contrast which quality is not influenced by light leakage resulting from spacers due to the fact that most of the spacers are arranged under a black matrix.Type: ApplicationFiled: January 31, 2003Publication date: October 2, 2003Applicants: Sekisui Chemical Co., Ltd, Sharp Kabushiki KaishaInventors: Akihiko Tateno, Hiroyuki Nakatani, Kazuya Yoshimura, Makoto Nakahara, Daisuke Ikesugi, Takatoshi Kira
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Patent number: 6618112Abstract: The present invention has its object to provide a method of spraying particles by which predetermined quantities of particles can be disposed on specified electrodes, in particular a method of spraying particles by which spacers can be sprayed in interelectrode gaps selectively even in the case of substrates comprising pattern-forming transparent electrodes, such as those used in liquid crystal display devices, and a method of producing liquid crystal display devices of high contrast and high display uniformity by which spacers can be disposed in interelectrode gaps without sacrificing the aperture ratio and by which spacers can be disposed on the substrate without irregularity to attain a uniform cell thickness over the whole substrate, as well as a particle spraying apparatus and a liquid crystal display device.Type: GrantFiled: December 1, 2000Date of Patent: September 9, 2003Assignees: Sharp Kabushiki Kaisha, Sekisui Chemical Co., Ltd.Inventors: Kazuya Yoshimura, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi, Akihiko Tateno, Hiroyuki Nakatani, Masaki Ban, Hiroshi Murata, Masaaki Kubo
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Publication number: 20030144381Abstract: Pastes for circuit connections and anisotropic conductive pastes that are excellent in storage stability and dispenser application properties, can be free of voids, bubbles and bleeding on thermocompression bonding and can give cured products having high bonding and connection reliability at high temperatures and high humidity, and the ability to be repaired. The paste for circuit connection contains an epoxy resin, an acid anhydride curing agent or a phenolic curing agent, and high-softening point fine particles. The anisotropic conductive paste additionally contains conductive particles. The method of using the paste for circuit connection or the anisotropic conductive paste involves connecting an electric circuit wiring formed on a substrate with an electric circuit wiring formed on another substrate with the paste for circuit connection or the anisotropic conductive paste.Type: ApplicationFiled: December 2, 2002Publication date: July 31, 2003Applicant: Mitsui Chemicals, Inc.Inventors: Yasushi Mizuta, Tatsuji Murata, Makoto Nakahara, Takatoshi Kira, Daisuke Ikesugi