Patents by Inventor Tsuyoshi Tokuda
Tsuyoshi Tokuda 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: 8537324Abstract: A color filter substrate includes: a base substrate; a light-shield layer and a color filter layer provided on the base substrate; a plurality of columnar spacers, made of a resin and provided to stick out of the base substrate; and an undercoat layer, provided between the columnar spacers and the base substrate. The color filter layer includes first, second, and third types of color filters, which transmit light rays in mutually different colors. The undercoat layer is made of the same film as one of the first, second and third types of color filters and the light-shield layer. A portion of the undercoat layer, associated with a first one of the columnar spacers, has a different area and/or shape from another portion of the undercoat layer, associated with a second one of the columnar spacers. The first and second columnar spacers have mutually different heights.Type: GrantFiled: August 15, 2008Date of Patent: September 17, 2013Assignee: Sharp Kabushiki KaishaInventors: Toshihide Tsubata, Tsuyoshi Tokuda, Yuhko Hashimoto, Yoshinori Kinai, Masayuki Tsuji
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Patent number: 8334965Abstract: A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of ? times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.Type: GrantFiled: February 9, 2011Date of Patent: December 18, 2012Assignee: Sharp Kabushiki KaishaInventors: Kohji Matsuoka, Shinichi Hirato, Akihiro Shoraku, Kenji Enda, Tsuyoshi Tokuda, Toshihide Tsubata
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Publication number: 20120294739Abstract: An impeller of the present invention includes a front surface shroud including an air intake port; a back surface shroud provided facing the front surface shroud; a first inducer provided between the front surface shroud and the back surface shroud and including a plurality of first blade sections provided around a first hub portion; a second inducer including a plurality of second blade sections connected to the first blade section of the first inducer and provided around a second hub portion; and a plurality of blades connected to the second blade section of the second inducer. A multi-blade structure of the inducer thus can be realized, and an impeller of high performance and low noise can be provided.Type: ApplicationFiled: February 16, 2011Publication date: November 22, 2012Applicant: PANASONIC CORPORATIONInventors: Tsuyoshi Nishimura, Teppei Hidekuma, Kazuhisa Morishita, Tsuyoshi Tokuda, Kazushige Nakamura, Hiroyuki Kayama
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Patent number: 8284355Abstract: The present invention has an object to provide an active matrix substrate, a liquid crystal display panel, a liquid crystal display element, a liquid crystal display device, and a substrate for liquid crystal display panel, each capable of suppressing generation of uneven cell gap without increase in a parasitic capacitance of a wiring. The active matrix substrate of the present invention is an active matrix substrate including a spacer on a substrate, wherein the spacer includes a base layer and a covering layer, the base layer being buried in the covering layer.Type: GrantFiled: October 12, 2007Date of Patent: October 9, 2012Assignee: Sharp Kabushiki KaishaInventors: Tsuyoshi Tokuda, Hiroto Akiyama, Akihiro Shoraku, Toshihide Tsubata, Yukio Kurozumi
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Patent number: 8253917Abstract: A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of ? times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.Type: GrantFiled: February 9, 2011Date of Patent: August 28, 2012Assignee: Sharp Kabushiki KaishaInventors: Kohji Matsuoka, Shinichi Hirato, Akihiro Shoraku, Kenji Enda, Tsuyoshi Tokuda, Toshihide Tsubata
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Publication number: 20120044452Abstract: A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of ? times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.Type: ApplicationFiled: February 9, 2011Publication date: February 23, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Kohji MATSUOKA, Shinichi HIRATO, Akihiro SHORAKU, Kenji ENDA, Tsuyoshi TOKUDA, Toshihide TSUBATA
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Publication number: 20120038935Abstract: A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of ? times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.Type: ApplicationFiled: February 9, 2011Publication date: February 16, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Kohji MATSUOKA, Shinichi HIRATO, Akihiro SHORAKU, Kenji ENDA, Tsuyoshi TOKUDA, Toshihide TSUBATA
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Patent number: 8059253Abstract: A color filter substrate in which the heights of columnar spacers can be arbitrarily controlled by a simple manufacturing process, and a liquid crystal display device including such a color filter substrate are provided. The color filter substrate includes a transparent substrate, a light-shield layer and a color filter layer provided on the transparent substrate, columnar spacers sticking out of the transparent substrate, and a protrusion to control the orientation of liquid crystal molecules. The color filter layer includes first, second and third color filters transmitting light rays in different colors. The columnar spacers include first and second types of columnar spacers with different heights. Each spacer of the first type includes a first lower structure, including at least one layer made of the same film as at least one of the first, second and third color filters and the light-shield layer, and a first upper structure, including a layer made of the same film as the protrusion.Type: GrantFiled: December 1, 2006Date of Patent: November 15, 2011Assignee: Sharp Kabushiki KaishaInventors: Tsuyoshi Tokuda, Toshihide Tsubata, Akihiro Shohraku
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Patent number: 8023072Abstract: A color filter substrate is used in a display device including pixels arranged in columns and rows to define a matrix pattern. The color filter substrate includes a transparent substrate and coloring layers, including a first color filter layer, a second color filter layer and an light shielding layer, provided on the transparent substrate. The first and second color filter layers include a first color filter column and a second color filter column, respectively, each of which is arranged for an associated column of pixels. The light shielding layer includes an light shielding column, which is provided for a gap between two adjacent columns of pixels.Type: GrantFiled: June 20, 2005Date of Patent: September 20, 2011Assignee: Sharp Kabushiki KaishaInventors: Toshihide Tsubata, Tsuyoshi Tokuda, Masayuki Tsuji
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Patent number: 7911578Abstract: A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of 2/3 times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.Type: GrantFiled: September 2, 2005Date of Patent: March 22, 2011Assignee: Sharp Kabushiki KaishaInventors: Kohji Matsuoka, Shinichi Hirato, Akihiro Shoraku, Kenji Enda, Tsuyoshi Tokuda, Toshihide Tsubata
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Patent number: 7826012Abstract: A color filter substrate and a liquid crystal display apparatus include, on a substrate: a colorized layer including color layers; a stacked layer protruding in comparison with the colorized layer; an opposing electrode covering the colorized layer and the stacked layer; an alignment layer formed at least on a part of the opposing electrode covering the colorized layer; and an insulating layer stacked on an entire surface of another part of the opposing electrode covering the stacked layer. With this, the short circuit between the opposing electrode and a pixel electrode is prevented, so that a color filter substrate, a liquid crystal display apparatus including the color filter substrate, and a method of manufacturing the color substrate, those being able to improve the yield of the liquid crystal display apparatus, are provided.Type: GrantFiled: June 24, 2009Date of Patent: November 2, 2010Assignee: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Toshihide Tsubata, Tsuyoshi Tokuda
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Patent number: 7812893Abstract: An active matrix substrate suppresses reduction in production yield and increase in production steps and simultaneously permits both sufficient securing of a storage capacity and improvement of an aperture ratio of a pixel. The active matrix substrate is an active matrix substrate and includes a thin film transistor disposed at an intersection of a scanning signal line with a data signal line on a substrate, the thin film transistor including a gate electrode connected to the scanning signal line, a source electrode connected to the data signal line, and a drain electrode connected to a drain lead-out wiring; a storage capacitor upper electrode connected to the drain lead-out wiring and a pixel electrode; and a storage capacitor wiring overlapping with the storage capacitor upper electrode through an insulating film, wherein the storage capacitor wiring has an extending portion overlapping with the drain lead-out wiring through the insulating film.Type: GrantFiled: September 20, 2005Date of Patent: October 12, 2010Assignee: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Toshihide Tsubata, Tsuyoshi Tokuda, Kenji Enda, Yoshinori Shimada, Shinya Maruoka
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Patent number: 7724345Abstract: A color filter substrate according to the present invention includes a transparent substrate; at least three colors of colored layers provided on the transparent substrate; first columnar structure bodies 101 provided in pixel outskirts within a display region, the first columnar structure bodies 101 defining a cell gap; and second columnar structure bodies 102 provided in the pixel outskirts within the display region or outside the display region, the second columnar structure bodies 102 having a smaller height than that of the first columnar structure bodies 101, such that a difference from the height of the first columnar structure bodies 101 exceeds a range of elastic deformation of the first columnar structure bodies 101.Type: GrantFiled: August 4, 2005Date of Patent: May 25, 2010Assignee: Sharp Kabushiki KaishaInventors: Masayuki Tsuji, Toshihide Tsubata, Tsuyoshi Tokuda
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Publication number: 20100045906Abstract: The present invention has an object to provide an active matrix substrate, a liquid crystal display panel, a liquid crystal display element, a liquid crystal display device, and a substrate for liquid crystal display panel, each capable of suppressing generation of uneven cell gap without increase in a parasitic capacitance of a wiring. The active matrix substrate of the present invention is an active matrix substrate including a spacer on a substrate, wherein the spacer includes a base layer and a covering layer, the base layer being buried in the covering layer.Type: ApplicationFiled: October 12, 2007Publication date: February 25, 2010Inventors: Tsuyoshi Tokuda, Hiroto Akiyama, Akihiro Shoraku, Toshihide Tsubata, Yukio Kurozumi
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Publication number: 20090257008Abstract: A color filter substrate and a liquid crystal display apparatus include, on a substrate: a colorized layer including color layers; a stacked layer protruding in comparison with the colorized layer; an opposing electrode covering the colorized layer and the stacked layer; an alignment layer formed at least on a part of the opposing electrode covering the colorized layer; and an insulating layer stacked on an entire surface of another part of the opposing electrode covering the stacked layer. With this, the short circuit between the opposing electrode and a pixel electrode is prevented, so that a color filter substrate, a liquid crystal display apparatus including the color filter substrate, and a method of manufacturing the color substrate, those being able to improve the yield of the liquid crystal display apparatus, are provided.Type: ApplicationFiled: June 24, 2009Publication date: October 15, 2009Inventors: Toshifumi Yagi, Toshihide Tsubata, Tsuyoshi Tokuda
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Patent number: 7586563Abstract: The present invention is a color filter substrate comprising: a non-laminated part in which a colored layer and/or a transparent layer are arranged in a plane; and a laminated part in which parts of the colored layer and/or the transparent layer are laminated as two or more layers on a substrate, (1) a film thickness of a layer constituting the laminated part is not less than 90% and not more than 110% to a film thickness of a corresponding layer of the non-laminated part and/or (2) the colored layer and/or the transparent layer are formed using a dry film having a solid-phase resist layer having penetration amount in a penetration hardness test at 120° C. of not more than 0.5 ?m.Type: GrantFiled: July 19, 2005Date of Patent: September 8, 2009Assignee: Sharp Kabushiki KaishaInventors: Tsuyoshi Tokuda, Toshifumi Yagi, Toshihide Tsubata, Yoshinori Kinai, Ryuji Kurihara
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Patent number: 7575836Abstract: The fabrication method for a color filter substrate of the present invention includes the step of forming a coloring layer, which includes the steps of: forming first coloring lines each including a plurality of first coloring portions lined in a first direction with a gap given between the adjacent first coloring portions; and forming second coloring lines after the formation of the first coloring lines. The step of forming second coloring lines includes the step of pressing a dry film for the second coloring lines against a substrate to stick the dry film on the substrate along a third direction crossing the first direction.Type: GrantFiled: December 17, 2004Date of Patent: August 18, 2009Assignee: Sharp Kabushiki KaishaInventors: Toshihide Tsubata, Tsuyoshi Tokuda
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Patent number: 7570323Abstract: A color filter substrate and a liquid crystal display apparatus include, on a substrate: a colorized layer including color layers; a stacked layer protruding in comparison with the colorized layer; an opposing electrode covering the colorized layer and the stacked layer; an alignment layer formed at least on a part of the opposing electrode covering the colorized layer; and an insulating layer stacked on an entire surface of another part of the opposing electrode covering the stacked layer. With this, the short circuit between the opposing electrode and a pixel electrode is prevented, so that a color filter substrate, a liquid crystal display apparatus including the color filter substrate, and a method of manufacturing the color substrate, those being able to improve the yield of the liquid crystal display apparatus, are provided.Type: GrantFiled: December 22, 2004Date of Patent: August 4, 2009Assignee: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Toshihide Tsubata, Tsuyoshi Tokuda
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Publication number: 20090161046Abstract: A color filter substrate in which the heights of columnar spacers can be arbitrarily controlled by a simple manufacturing process, and a liquid crystal display device including such a color filter substrate are provided. The color filter substrate includes a transparent substrate, a light-shield layer and a color filter layer provided on the transparent substrate, columnar spacers sticking out of the transparent substrate, and a protrusion to control the orientation of liquid crystal molecules. The color filter layer includes first, second and third color filters transmitting light rays in different colors. The columnar spacers include first and second types of columnar spacers with different heights. Each spacer of the first type includes a first lower structure, including at least one layer made of the same film as at least one of the first, second and third color filters and the light-shield layer, and a first upper structure, including a layer made of the same film as the protrusion.Type: ApplicationFiled: December 1, 2006Publication date: June 25, 2009Applicant: Sharp Kabushiki KaishaInventors: Tsuyoshi Tokuda, Toshihide Tsubata, Akihiro Shohraku
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Publication number: 20090073335Abstract: An active matrix substrate suppresses reduction in production yield and increase in production steps and simultaneously permits both sufficient securing of a storage capacity and improvement of an aperture ratio of a pixel. The active matrix substrate is an active matrix substrate and includes a thin film transistor disposed at an intersection of a scanning signal line with a data signal line on a substrate, the thin film transistor including a gate electrode connected to the scanning signal line, a source electrode connected to the data signal line, and a drain electrode connected to a drain lead-out wiring; a storage capacitor upper electrode connected to the drain lead-out wiring and a pixel electrode; and a storage capacitor wiring overlapping with the storage capacitor upper electrode through an insulating film, wherein the storage capacitor wiring has an extending portion overlapping with the drain lead-out wiring through the insulating film.Type: ApplicationFiled: September 20, 2005Publication date: March 19, 2009Applicant: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Toshihide Tsubata, Tsuyoshi Tokuda, Kenji Enda, Yoshinori Shimada, Shinya Maruoka