Patents by Inventor Tetsuya Kida
Tetsuya Kida 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: 20200041893Abstract: A method of producing a substrate including a resist film includes a coating step of coating a resist film on a substrate, an exposing step of exposing selectively the resist film formed in the coating step, and a developing step of developing the resist film that is selectively exposed in the exposing step and adjusting process time for development based on transition time for shifting to the developing step after the coating step.Type: ApplicationFiled: July 26, 2019Publication date: February 6, 2020Inventors: MASAHIRO YAMADA, TETSUYA KIDA, HIROAKI OKAJIMA
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Patent number: 9921430Abstract: A display component includes a glass substrate GS including a display area AA and a non-display area NAA surrounding the display area AA, a color filter 29 overlapping a surface of the glass substrate GS in the display area AA, a CF board side alignment film 32 disposed in at least the display area AA to cover the color filter 29 and partially including a thickness variation portion 36 that gradually decreases thickness thereof toward an outer side, and a film forming control portion 37 disposed in the non-display area NAA to be next to the display area AA and overlapping the surface of the glass substrate GS and configured to form the CF board side alignment film 32 such that the thickness variation portion 36 is in the non-display area NAA.Type: GrantFiled: July 18, 2014Date of Patent: March 20, 2018Assignee: Sharp Kabushiki KaishaInventors: Tetsuya Kida, Yutaka Sawayama, Hiroyuki Okazoe, Yoshiyuki Ihara
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Publication number: 20160124255Abstract: A display component includes a glass substrate GS including a display area AA and a non-display area NAA surrounding the display area AA, a color filter 29 overlapping a surface of the glass substrate GS in the display area AA, a CF board side alignment film 32 disposed in at least the display area AA to cover the color filter 29 and partially including a thickness variation portion 36 that gradually decreases thickness thereof toward an outer side, and a film forming control portion 37 disposed in the non-display area NAA to be next to the display area AA and overlapping the surface of the glass substrate GS and configured to form the CF board side alignment film 32 such that the thickness variation portion 36 is in the non-display area NAA.Type: ApplicationFiled: July 18, 2014Publication date: May 5, 2016Applicant: Sharp Kabushiki KaishaInventors: Tetsuya KIDA, Yutaka SAWAYAMA, Hiroyuki OKAZOE, Yoshiyuki IHARA
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Publication number: 20130168006Abstract: A method for manufacturing a liquid crystal display device includes the steps of: dropping a liquid crystal onto a substrate containing a smaller amount of adsorbed moisture, of a CF substrate and a TFT substrate; and after the step of dropping the liquid crystal, bonding the CF substrate and the TFT substrate together in a vacuum.Type: ApplicationFiled: October 7, 2011Publication date: July 4, 2013Applicant: SHARP KABUSHIKI KAISHAInventor: Tetsuya Kida
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Patent number: 7656499Abstract: The invention relates to a method of manufacturing a liquid crystal display for which the one drop filling method is used to fill the gap between the substrates thereof and provides a method of manufacturing a liquid crystal display which can achieve high display characteristics. Droplets of a liquid crystal are dispensed in positions associated with exposure joint lines at boundaries between respective couples of adjoining regions to be exposed. Since this prevents stripe-like irregularities and grid-like irregularities from overlapping each other, display irregularities become less visually perceptible.Type: GrantFiled: February 9, 2005Date of Patent: February 2, 2010Assignee: Sharp Kabushiki KaishaInventors: Tetsuya Kida, Shota Makimoto
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Patent number: 7553392Abstract: A method of manufacturing a liquid crystal display device in which liquid crystal is sealed between substrates using a one drop fill method. Dropping of liquid crystal is controlled so that the dropping quantity of the liquid crystal is reduced in an area including the vicinity of a seal material on a side with a relatively narrow cell gap width while the dropping quantity of the liquid crystal is increased in an area including the vicinity of the seal material on a side with a relatively broad cell gap width. Alternatively, dropping of the liquid crystal is controlled so that the number of times the liquid crystal is dropped is reduced in the area including the vicinity of the seal material on one side while the number of times the liquid crystal is dropped is increased in the area including the vicinity of the seal material on another side without changing the dropping quantity of one drop.Type: GrantFiled: June 4, 2004Date of Patent: June 30, 2009Assignee: Sharp Kabushiki KaishaInventors: Shota Makimoto, Satoshi Murata, Hiroyuki Sugimura, Tetsuya Kida, Hidehiko Suzuki
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Patent number: 7216782Abstract: A dispenser has a syringe having a nozzle at one end thereof and a plunger fitted in the syringe from the other end of the syringe. One end of a pipe is connected to a portion of the syringe between the one end and the other end of the syringe. A liquid material tank is connected to the other end of the pipe. The liquid material tank is arranged so that a level of the liquid material in the liquid material tank is higher than in the syringe. The dispenser can be used for drip injection method for producing a liquid crystal display device to stably drip droplets of a liquid crystal onto a substrate of a liquid crystal display device.Type: GrantFiled: March 18, 2004Date of Patent: May 15, 2007Assignee: Sharp Kabushiki KaishaInventors: Hiroyuki Sugimura, Satoshi Murata, Tetsuya Kida, Shota Makimoto
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Publication number: 20060044506Abstract: The invention relates to a method of manufacturing a liquid crystal display for which the one drop filling method is used to fill the gap between the substrates thereof and provides a method of manufacturing a liquid crystal display which can achieve high display characteristics. Droplets of a liquid crystal are dispensed in positions associated with exposure joint lines at boundaries between respective couples of adjoining regions to be exposed. Since this prevents stripe-like irregularities and grid-like irregularities from overlapping each other, display irregularities become less visually perceptible.Type: ApplicationFiled: February 9, 2005Publication date: March 2, 2006Inventors: Tetsuya Kida, Shota Makimoto
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Patent number: 6970227Abstract: A plurality of main seal patterns and dummy seal patterns are formed by a sealant on one of substrates. The plurality of main seal patterns individually enclose each of a plurality of display areas. The dummy seal patterns individually enclose the plurality of main seal patterns, and sides of the dummy seal patterns facing sides of the one substrate are all interconnected. These formations enable constant vacuum levels to be maintained the inside and the outside of the main seal patterns when the inside of a chamber of an assembling device is recovered to atmospheric pressure. Therefore, distortion of substrates is impeded in the vicinity of the main seal patterns, and degradation of display quality can be prevented.Type: GrantFiled: July 18, 2003Date of Patent: November 29, 2005Assignee: Sharp CorporationInventors: Tetsuya Kida, Satoshi Murata
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Publication number: 20050126700Abstract: A method of manufacturing a liquid crystal display device in which liquid crystal is sealed between substrates using a one drop fill method, and a one drop fill apparatus used for the method, and particularly a method of manufacturing a liquid crystal display device using a one drop fill method that enables reduction of product defects of the liquid crystal display device and realization of a stable production process, and a one drop fill apparatus used for the method are provided. Dropping of liquid crystal is controlled so that the dropping quantity of the liquid crystal is reduced in an area including the vicinity of a seal material on the left side with a relatively narrow cell gap width while the dropping quantity of the liquid crystal is increased in an area including the vicinity of the seal material on the right side with a relatively broad cell gap width.Type: ApplicationFiled: June 4, 2004Publication date: June 16, 2005Inventors: Shota Makimoto, Satoshi Murata, Hiroyuki Sugimura, Tetsuya Kida, Hidehiko Suzuki
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Publication number: 20040182887Abstract: A dispenser has a syringe having a nozzle at one end thereof and a plunger fitted in the syringe from the other end of the syringe. One end of a pipe is connected to a portion of the syringe between the one end and the other end of the syringe. A liquid material tank is connected to the other end of the pipe. The liquid material tank is arranged so that a level of the liquid material in the liquid material tank is higher than in the syringe. The dispenser can be used for drip injection method for producing a liquid crystal display device to stably drip droplets of a liquid crystal onto a substrate of a liquid crystal display device.Type: ApplicationFiled: March 18, 2004Publication date: September 23, 2004Applicant: FUJITSU DISPLAY TECHNOLOGIES CORPORATIONInventors: Hiroyuki Sugimura, Satoshi Murata, Tetsuya Kida, Shota Makimoto
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Publication number: 20040041976Abstract: A plurality of main seal patterns and dummy seal patterns are formed by a sealant on one of substrates. The plurality of main seal patterns individually enclose each of a plurality of display areas. The dummy seal patterns individually enclose the plurality of main seal patterns, and sides of the dummy seal patterns facing sides of the one substrate are all interconnected. These formations enable constant vacuum levels to be maintained the inside and the outside of the main seal patterns when the inside of a chamber of an assembling device is recovered to atmospheric pressure. Therefore, distortion of substrates is impeded in the vicinity of the main seal patterns, and degradation of display quality can be prevented.Type: ApplicationFiled: July 18, 2003Publication date: March 4, 2004Applicant: FUJITSU DISPLAY TECHNOLOGIES CORPORATIONInventors: Tetsuya Kida, Satoshi Murata
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Patent number: 6376861Abstract: A thin film transistor comprises a gate electrode 18 formed on a substrate 10, a gate insulation film 20, a semiconductor layer 22, a source electrode 36a and a drain electrode 36b. The gate electrode, the source electrode or the drain electrode include a first conductor film 12, a second conductor film 14 and a third conductor film 16. The first conductor film is formed of a metal selected out of Al, Cu and Ag, or an alloy of a metal, as a main component, selected out of Al, Cu and Ag, and has the side surfaces sloped. The second conductor film is formed of a film of Mo containing nitrogen, or an alloy of Mo, as a main component, containing nitrogen, and has the side surfaces sloped. The third conductor film is formed of Mo or an alloy of Mo as a main component.Type: GrantFiled: November 16, 2000Date of Patent: April 23, 2002Assignee: Fujitsu LimitedInventors: Hiroyuki Yaegashi, Takuya Watanabe, Tetsuya Kida, Akira Komorita
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Patent number: 6255706Abstract: A thin film transistor wherein at least one of (1) a gate electrode and/or a scanning line therefor and (2) source/drain electrode and/or signal lines therefor comprises a laminated wiring structure in which a main wiring layer formed of a metal selected from Al and Cu or an alloy based on the metal is sandwiched between an underlying wiring layer and an overlaying wiring layer, the underlying and overlaying wiring layers being formed of a material based on a metal or alloy of metals and containing nitrogen, the metal being selected from Ti, Mo, W, Cr, Al and Cu, and the materials used in the underlying and overlaying wiring layers being different from each other. Alternatively, the underlying and overlaying wiring layers are formed of a material based on the same metal or alloy of metals and containing nitrogen, the metal being selected from Ti, Mo, W, Cr, Al and Cu, and contents of nitrogen in the underlying and overlaying wiring layers being different from each other.Type: GrantFiled: January 3, 2000Date of Patent: July 3, 2001Assignee: Fujitsu LimitedInventors: Takuya Watanabe, Hiroyuki Yaegashi, Hideki Noto, Tetsuya Kida