Patents by Inventor Takashi Sasabayashi
Takashi Sasabayashi 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: 10680191Abstract: A display device includes: an array substrate having a flexible substrate and a pixel circuit over the flexible substrate; a first supporting film under the array substrate; a second supporting film over the array substrate; and a member under the first supporting film with an adhesive layer sandwiched therebetween. The member includes a first film and a second film having a different thermal expansion coefficient respectively. The first film and the second film are respectively a first metal film containing a metal film and a second metal film containing a second metal, and the first metal and the second film are independently selected from copper, nickel, zinc, manganese, iron, cobalt, aluminum, tin, lead, and silver.Type: GrantFiled: June 5, 2018Date of Patent: June 9, 2020Assignee: Japan Display Inc.Inventor: Takashi Sasabayashi
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Patent number: 10573697Abstract: An organic EL display device includes a bank having an inclined surface, a first electrode formed on the inclined surface, an organic film including a light emitting layer and directly contacting the first electrode on the inclined surface, and a second electrode directly contacting the organic film on the inclined surface.Type: GrantFiled: October 11, 2017Date of Patent: February 25, 2020Assignee: Japan Display Inc.Inventor: Takashi Sasabayashi
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Publication number: 20180375044Abstract: A display device includes: an array substrate having a flexible substrate and a pixel circuit over the flexible substrate; a first supporting film under the array substrate; a second supporting film over the array substrate; and a member under the first supporting film with an adhesive layer sandwiched therebetween. The member includes a first film and a second film having a different thermal expansion coefficient respectively. The first film and the second film are respectively a first metal film containing a metal film and a second metal film containing a second metal, and the first metal and the second film are independently selected from copper, nickel, zinc, manganese, iron, cobalt, aluminum, tin, lead, and silver.Type: ApplicationFiled: June 5, 2018Publication date: December 27, 2018Inventor: Takashi SASABAYASHI
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Publication number: 20180113546Abstract: Disclosed is a display device including a substrate, a pixel over the substrate, and a wiring overlapping with the pixel and having a zig-zag region between terminals thereof. The display device may further possess a circuit including first to third resistors each having a first terminal and a second terminal. In this circuit, the terminals of the wiring are electrically connected to the first terminal of the first resistor and the first terminal of the third resistor, respectively, and the first terminal and the second terminal of the second resistor are electrically connected to the second terminal of the first resistor and the second terminal of the third resistor, respectively.Type: ApplicationFiled: October 4, 2017Publication date: April 26, 2018Inventor: Takashi SASABAYASHI
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Publication number: 20180108715Abstract: An organic EL display device includes a bank having an inclined surface, a first electrode formed on the inclined surface, an organic film including a light emitting layer and directly contacting the first electrode on the inclined surface, and a second electrode directly contacting the organic film on the inclined surface.Type: ApplicationFiled: October 11, 2017Publication date: April 19, 2018Applicant: Japan Display Inc.Inventor: Takashi SASABAYASHI
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Patent number: 9091901Abstract: A stereoscopic image display device includes a display panel having a first display area switchable to a two-dimensional display mode or a three-dimensional display mode and a second display area. A liquid crystal lens unit is arranged above the display panel and having a liquid crystal layer. The first substrate includes a first electrode formed in the first and second display areas for controlling alignment of the liquid crystal layer, a second electrode passing the second display area for supplying a voltage to the first electrode of the first display area, and a third electrode arranged between the second electrode and the liquid crystal layer in the second display area so that the third electrode has an overlap area with the second electrode in plane. The second substrate includes a fourth electrode formed so as to control the alignment of the liquid crystal layer with the first electrode.Type: GrantFiled: September 6, 2012Date of Patent: July 28, 2015Assignee: Japan Display Inc.Inventors: Hiroshi Azuma, Takashi Sasabayashi
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Patent number: 8786790Abstract: In one embodiment, a liquid crystal display device includes a lens array unit having a cylindrical lens array constituted by a plurality of cylindrical lenses each having a lens surface and a generatrix corresponding to the lens surface. The lens surface is arranged in a line in a direction orthogonally crossing the generatrix. A first substrate is arranged at a back side of the lens array unit and includes a pixel electrode in a belt shape extending in a different direction from the direction in which the generatrix extends. The pixel electrode is formed in a V character shape. A second substrate is arranged between the lens array unit and the first substrate including a counter electrode in a belt shape commonly arranged on the pixel electrodes extending in a parallel direction to the pixel electrode.Type: GrantFiled: March 21, 2012Date of Patent: July 22, 2014Assignee: Japan Display Inc.Inventors: Keisuke Takano, Takashi Sasabayashi, Arihiro Takeda, Keiji Tago, Jin Hirosawa, Hitomi Hasegawa, Yusuke Morita, Hirokazu Morimoto
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Patent number: 8743036Abstract: A liquid crystal display has a pair of substrates with liquid crystal sealed between them. A polymer layer regulates directions in which the liquid crystal molecules tilt. A plurality of gate bus lines and a plurality of drain bus lines are provided on one of the substrates. Color filters and a pixel electrode are provided on the substrate. The pixel electrode includes a first sub-pixel electrode and a second sub-pixel electrode. A common electrode is provided on the other substrate. A first and a second thin film transistor are connected to the first sub-pixel electrode. The first thin film transistors is connected to a first gate bus line, and the second thin film transistor is connected to a second bus line.Type: GrantFiled: February 8, 2012Date of Patent: June 3, 2014Assignee: Sharp Kabushiki KaishaInventors: Takashi Sasabayashi, Arihiro Takeda, Hiroyasu Inoue, Kazuya Ueda, Yoshio Koike, Hideaki Tsuda, Yasutoshi Tasaka, Hidefumi Yoshida, Kunihiro Tashiro, Tsuyoshi Kamada, Kimiaki Nakamura
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Patent number: 8743332Abstract: In one embodiment, a first substrate includes a pixel electrode having a first main electrode in a belt-like shape extending along a first cross line direction which crosses at an acute angle in a counterclockwise direction with respect to an initial alignment direction of liquid crystal molecules, and a second main electrode in the belt-like shape extending along a second cross line direction which crosses at an acute angle in a clockwise direction with respect to the initial alignment direction of the liquid crystal molecules. A second substrate includes a counter electrode having a pair of third main electrodes in the belt-like shape arranged above a pair of regions sandwiching the first main electrode extending along a first cross line direction and a pair of fourth main electrodes in the belt-like shape arranged above a pair of regions sandwiching the second main electrode extending along the second cross line direction.Type: GrantFiled: December 29, 2011Date of Patent: June 3, 2014Assignee: Japan Display Inc.Inventors: Keisuke Takano, Arihiro Takeda, Takashi Sasabayashi, Nobuko Fukuoka, Yusuke Morita, Jin Hirosawa, Hitomi Hasegawa, Yoshitaka Yamada, Keiji Tago, Hirokazu Morimoto
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Patent number: 8638403Abstract: A liquid crystal display device is provided which has a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, in which liquid crystal molecules are vertically aligned with respect to the substrates when no voltage is applied between the substrates and the liquid crystal molecules tilt in a plurality of directions to be almost parallel to the substrates by applying a voltage between the substrates. In the liquid crystal layer, when the voltage is applied, a proportion of a region where the liquid crystal molecules tilt in a direction of 0 degrees to 180 degrees is different from a proportion of a region where the liquid crystal molecules tilt in a direction of 180 degrees to 360 degrees with the angle being defined counterclockwise with the right direction on a screen being 0 degrees.Type: GrantFiled: September 14, 2012Date of Patent: January 28, 2014Assignee: Sharp Kabushiki KaishaInventors: Hidefumi Yoshida, Takashi Sasabayashi, Arihiro Takeda, Hideo Chida, Yoshio Koike, Yasutoshi Tasaka
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Patent number: 8553188Abstract: A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels. The device also includes a structure which is formed in an outer area located next to the display area, but that does not overlap the display area, and is substantially the same as at least one of the plurality of domain regulating structures.Type: GrantFiled: January 25, 2012Date of Patent: October 8, 2013Assignee: Sharp Kabushiki KaishaInventors: Arihiro Takeda, Katsufumi Ohmuro, Yoshio Koike, Shingo Kataoka, Takahiro Sasaki, Takashi Sasabayashi, Hideaki Tsuda, Hideo Chida, Makoto Ohashi, Kenji Okamoto, Hisashi Yamaguchi, Minoru Otani, Makoto Morishige, Noriaki Furukawa, Tsuyoshi Kamada, Yoshinori Tanaka, Atuyuki Hoshino, Shougo Hayashi, Hideaki Takizawa, Takeshi Kinjou, Makoto Tachibanaki, Keiji Imoto, Tadashi Hasegawa, Hidefumi Yoshida, Hiroyasu Inoue, Yoji Taniguchi, Tetsuya Fujikawa, Satoshi Murata, Manabu Sawasaki, Tomonori Tanose, Siro Hirota, Masahiro Ikeda, Kunihiro Tashiro, Kouji Tsukao, Yasutoshi Tasaka, Takatoshi Mayama, Seiji Tanuma, Yohei Nakanishi
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Publication number: 20130258217Abstract: In one embodiment, a stereoscopic image display device includes a display panel having a first display area for performing a two-dimensional display mode or a three-dimensional display mode selectively and a second display area performing a display mode different from the selected display mode in the first display area. A liquid crystal lens unit having first and second substrates and liquid crystal layer therebetween is arranged in front of the display panel for forming a liquid crystal lens corresponding to the three-dimensional display. The relation of a distance and a potential difference between counter electrodes arranged on the second substrate adjacent each other sandwiching a boundary display area between the first display area and the second display area is set so that generation of a different lens from a lens form to perform the three-dimensional display mode in either one of the first and second display areas is suppressed.Type: ApplicationFiled: September 7, 2012Publication date: October 3, 2013Applicant: Japan Display Central Inc.Inventors: Hiroshi AZUMA, Takashi SASABAYASHI
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Publication number: 20130257828Abstract: A stereoscopic image display device includes a display panel having a first display area switchable to a two-dimensional display mode or a three-dimensional display mode and a second display area. A liquid crystal lens unit is arranged above the display panel and having a liquid crystal layer. The first substrate includes a first electrode formed in the first and second display areas for controlling alignment of the liquid crystal layer, a second electrode passing the second display area for supplying a voltage to the first electrode of the first display area, and a third electrode arranged between the second electrode and the liquid crystal layer in the second display area so that the third electrode has an overlap area with the second electrode in plane. The second substrate includes a fourth electrode formed so as to control the alignment of the liquid crystal layer with the first electrode.Type: ApplicationFiled: September 6, 2012Publication date: October 3, 2013Applicant: Japan Display Central Inc.Inventors: Hiroshi AZUMA, Takashi Sasabayashi
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Patent number: 8416379Abstract: A liquid crystal display device including a pair of substrates in a spaced relationship with one another. A pair of alignment films are provided, one alignment film being formed on each substrate such that the alignment films face one another. A liquid crystal layer, including plural liquid crystals, is inserted between the pair of alignment films, wherein the alignment films impart a given pre-tilt angle to the liquid crystals. The alignment films are composed of a material containing at least two types of polymers having a prescribed initial alignment and different alignment variation rates in response to ultraviolet ray irradiation. The pre-tilt angle being adjusted, without rubbing the alignment films, through ultraviolet exposure of the alignment films.Type: GrantFiled: November 18, 2010Date of Patent: April 9, 2013Assignee: Sharp Kabushiki KaishaInventors: Hidefumi Yoshida, Yasutoshi Tasaka, Takashi Sasabayashi, Yohei Nakanishi, Kenji Okamoto
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Publication number: 20130010221Abstract: A liquid crystal display device is provided which has a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, in which liquid crystal molecules are vertically aligned with respect to the substrates when no voltage is applied between the substrates and the liquid crystal molecules tilt in a plurality of directions to be almost parallel to the substrates by applying a voltage between the substrates. In the liquid crystal layer, when the voltage is applied, a proportion of a region where the liquid crystal molecules tilt in a direction of 0 degrees to 180 degrees is different from a proportion of a region where the liquid crystal molecules tilt in a direction of 180 degrees to 360 degrees with the angle being defined counterclockwise with the right direction on a screen being 0 degrees.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Hidefumi Yoshida, Takashi Sasabayashi, Arihiro Takeda, Yasutoshi Tasaka, Hideo Chida, Yoshio Koike
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Patent number: 8314760Abstract: A liquid crystal display including a pair of substrates; a liquid crystal sealed between the substrates; alignment regulating structures formed on at least one of the substrates; and a plurality of pixel regions having both of a first area in which the alignment regulating structures are disposed at first intervals and which has a first threshold voltage for driving of the liquid crystal and a second area in which the alignment regulating structures are disposed at second intervals smaller than the first intervals and which has a second threshold voltage lower than the first threshold voltage. Each of the first intervals is a distance between adjacent alignment regulating structures along a direction parallel to one of the substrates in the first area and each of the second intervals is a distance between adjacent alignment regulating structures along a direction parallel to one of the substrates in the second area.Type: GrantFiled: June 30, 2010Date of Patent: November 20, 2012Assignee: Sharp Kabushiki KaishaInventors: Takashi Sasabayashi, Arihiro Takeda, Kazuya Ueda, Yoshio Koike, Hideaki Tsuda
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Patent number: 8294860Abstract: A liquid crystal display device is provided which has a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, in which liquid crystal molecules are vertically aligned with respect to the substrates when no voltage is applied between the substrates and the liquid crystal molecules tilt in a plurality of directions to be almost parallel to the substrates by applying a voltage between the substrates. In the liquid crystal layer, when the voltage is applied, a proportion of a region where the liquid crystal molecules tilt in a direction of 0 degrees to 180 degrees is different from a proportion of a region where the liquid crystal molecules tilt in a direction of 180 degrees to 360 degrees with the angle being defined counterclockwise with the right direction on a screen being 0 degrees.Type: GrantFiled: July 1, 2011Date of Patent: October 23, 2012Assignee: Sharp Kabushiki KaishaInventors: Hidefumi Yoshida, Takashi Sasabayashi, Arihiro Takeda, Hideo Chida, Yoshio Koike, Yasutoshi Tasaka
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Publication number: 20120249930Abstract: In one embodiment, a liquid crystal display device includes a lens array unit having a cylindrical lens array constituted by a plurality of cylindrical lenses each having a lens surface and a generatrix corresponding to the lens surface. The lens surface is arranged in a line in a direction orthogonally crossing the generatrix. A first substrate is arranged at a back side of the lens array unit and includes a pixel electrode in a belt shape extending in a different direction from the direction in which the generatrix extends. The pixel electrode is formed in a V character shape. A second substrate is arranged between the lens array unit and the first substrate including a counter electrode in a belt shape commonly arranged on the pixel electrodes extending in a parallel direction to the pixel electrode.Type: ApplicationFiled: March 21, 2012Publication date: October 4, 2012Applicant: Toshiba Mobile Display Co., Ltd.Inventors: Keisuke Takano, Takashi Sasabayashi, Arihiro Takeda, Keiji Tago, Jin Hirosawa, Hitomi Hasegawa, Yusuke Morita, Hirokazu Morimoto
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Publication number: 20120220181Abstract: A liquid crystal apparatus is provided wherein the liquid crystal layer comprises a section formed by polymerizing a polymerizable compound in the presence of a liquid crystal by selectively irradiating active energy rays onto the substrate surface when no voltage is applied, or alignment control layers and bumps are formed by polymerizing a polymerizable compound which is added to said liquid crystal, or first electrodes with a vertical alignment control film and a second electrode with a horizontal alignment control film face each other and alignment control of the liquid crystal is performed by irradiating light from a direction tilted from the normal line direction on said liquid crystal display apparatus. A liquid crystal display apparatus which can implement high transmittance, high-speed response and a wide viewing angle can be provided.Type: ApplicationFiled: May 9, 2012Publication date: August 30, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Takashi Sasabayashi, Arihiro Takeda, Yoshio Koike, Takahiro Sasaki, Hidefumi Yoshida, Kazutaka Hanaoka
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Publication number: 20120182509Abstract: In one embodiment, a first substrate includes a pixel electrode having a first main electrode in a belt-like shape extending along a first cross line direction which crosses at an acute angle in a counterclockwise direction with respect to an initial alignment direction of liquid crystal molecules, and a second main electrode in the belt-like shape extending along a second cross line direction which crosses at an acute angle in a clockwise direction with respect to the initial alignment direction of the liquid crystal molecules. A second substrate includes a counter electrode having a pair of third main electrodes in the belt-like shape arranged above a pair of regions sandwiching the first main electrode extending along a first cross line direction and a pair of fourth main electrodes in the belt-like shape arranged above a pair of regions sandwiching the second main electrode extending along the second cross line direction.Type: ApplicationFiled: December 29, 2011Publication date: July 19, 2012Applicant: Toshiba Mobile Display Co., Ltd.Inventors: Keisuke TAKANO, Arihiro TAKEDA, Takashi SASABAYASHI, Nobuko FUKUOKA, Yusuke MORITA, Jin HIROSAWA, Hitomi HASEGAWA, Yoshitaka YAMADA, Keiji TAGO, Hirokazu MORIMOTO