Patents by Inventor Kengo Kanii

Kengo Kanii 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).

  • Patent number: 9007553
    Abstract: A liquid crystal device including a first substrate including a plurality of picture elements; a second substrate including a common electrode; and a liquid crystal layer sandwiched therebetween. The first substrate and the second substrate are arranged to be opposite to each other, and each of the plurality of picture elements has a plurality of elongated electrodes configured to apply voltages to the liquid crystal layer in cooperation with the common electrode. The elongated electrodes within one of the plurality of picture elements extend in eight directions, and each of the plurality of picture elements is divided into eight regions based upon the eight directions. In each of the eight regions of one of the plurality of picture elements, two or more of the plurality of elongated electrodes extend along a corresponding one of the eight directions.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: April 14, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8896803
    Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: November 25, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Yohei Nakanishi, Katsufumi Ohmuro, Kunihiro Tashiro, Norio Sugiura, Kengo Kanii
  • Publication number: 20140313449
    Abstract: A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8804079
    Abstract: A liquid crystal display device including a first and second substrates and a liquid crystal layer. The first substrate includes a plurality of picture elements, and at least one of the plurality of picture elements includes: a switching element; a plurality of gate bus lines extending in a first direction and electrically connected to the switching element; a plurality of data bus lines extending in a second direction and electrically connected to the switching element; a first sub picture element electrode and a second sub picture element electrode disposed adjacent to the first sub picture element electrode with a gap therebetween, and a control electrode overlapping both the first and second sub picture element electrodes. The control electrode extends in the second direction. Each of the first and second sub picture element electrodes includes a cross-shaped connecting electrode part and microelectrode parts extending from the connecting electrode part.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: August 12, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8593594
    Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: November 26, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Katsufumi Ohmuro, Kunihiro Tashiro, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Yasuhiro Ohno, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa, Takahiro Sasaki
  • Publication number: 20130235293
    Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 12, 2013
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kazutaka HANAOKA, Katsufumi OHMURO, Kunihiro TASHIRO, Jin HIROSAWA, Norio SUGIURA, Kengo KANII, Shota MAKIMOTO, Yasuhiro OHNO, Isao TSUSHIMA, Tomonori TANOSE, Takashi TAKAGI, Tetsuya FUJIKAWA, Takahiro SASAKI
  • Patent number: 8432518
    Abstract: A liquid crystal display device including first and second substrates; liquid crystal contained between the substrates; a polymer which determines directions in which liquid crystal molecules tilt; a plurality of gate and data bus lines; and a plurality of picture elements. At least one of the picture elements includes a switching element, and first and second sub picture element electrodes. The first sub picture element electrode connects to the switching element and the second sub picture element electrode connects, via capacitive coupling, to the switching element. The first substrate further includes a control electrode that is connected to the switching element and the first sub picture element electrode. The control electrode is capacitively coupled to the second sub picture element electrode through an insulating film. The area of the second sub picture element electrode is larger than the area of the first sub picture element electrode.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: April 30, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8405802
    Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: March 26, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Katsufumi Ohmuro, Kunihiro Tashiro, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Yasuhiro Ohno, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa, Takahiro Sasaki
  • Patent number: 8325306
    Abstract: A liquid crystal display device including first and second substrate, with liquid crystal contained therebetween; a plurality of gate bus lines; a plurality of drain bus lines; and first and second sub picture element electrodes. The first sub picture element electrode is not in contact with the second sub picture element electrode. The first sub picture element electrode includes a first body portion and a plurality of first branches extending from the first body portion, with the first branches being separated from each other by a plurality of first slits. The second sub picture element electrode includes a second body portion and a plurality of second branches extending from the second body portion, with the second branches being separated from each other by a plurality of second slits.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: December 4, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8273422
    Abstract: The invention relates to a liquid crystal display used as a display unit of an electronic apparatus and provides a liquid crystal display which can achieve high display quality. The liquid crystal display includes a pair of substrates provided opposite to each other, a liquid crystal having negative dielectric constant anisotropy sealed between the substrates, an alignment film formed on each of surfaces of the substrates facing each other for vertically aligning the liquid crystal, the film being formed using a material including an epoxy type cross linking agent at a concentration in the range from 0% by weight to 0.01% by weight inclusive, and a polymer layer for regulating the direction of alignment of the liquid crystal formed in the vicinity of an interface between the liquid crystal and the alignment film as a result of polymerization of a polymeric component included in the liquid crystal.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: September 25, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Satoshi Murata, Shota Makimoto, Norio Sugiura, Kengo Kanii
  • Patent number: 8212981
    Abstract: A liquid crystal display device including first and second substrates with liquid crystal contained therebetween, and a plurality of picture elements located on the first substrate. Each of the picture elements is defined between a pair of gate bus lines and a pair of data bus lines. At least one of the picture elements includes a switching element connected to one of the data bus lines, a first sub picture element electrode, and a second sub picture element electrode. At least one of the first and second sub picture element electrodes has a body portion and a plurality of branches that extend from the body portion. A neighboring two of the branches are parallel with each other. The first sub picture element electrode connects to the switching element, and the second sub picture element electrode connects, via capacitive coupling, to the switching element.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: July 3, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8208106
    Abstract: A substrate for a liquid crystal display including a plurality of gate bus lines and a plurality of data bus lines that cross the gate bus lines, as well as a thin film transistor connected to one of the data bus lines. The display also includes a first electrode with a body portion and a plurality of branches extending from the body portion, wherein at least some of the branches include a first branch portion, which extends from the body portion and defines a first angle, and a second branch portion, which extends from the first branch portion, and which defines a second angle. The first angle is greater than said second angle, and both angles are between 0° and 90° Also included is a second electrode that overlaps at least a portion of the first electrode, and an insulation film between the first and second electrodes.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: June 26, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8125600
    Abstract: A liquid crystal display device including first and second substrates which are arranged to be opposite to each other; liquid crystal with negative dielectric anisotropy contained between the first and the second substrates; a polymer which determines directions in which liquid crystal molecules tilt when voltage is applied: and a plurality of picture elements located on the first substrate. At least one of the picture elements on the first substrate includes a switching element; a first sub picture element electrode including a plurality of band-shaped microelectrode parts and a first connecting electrode part electrically connecting the microelectrode parts of the first sub picture element electrode with one another; and a second sub picture element electrode including a plurality of band-shaped microelectrode parts and a second connecting electrode part electrically connecting the microelectrode parts of the second sub picture element electrode with one another.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: February 28, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Publication number: 20110234931
    Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.
    Type: Application
    Filed: June 3, 2011
    Publication date: September 29, 2011
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Katsufumi Ohmuro, Kunihiro Tashiro, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Yasuhiro Ohno, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa, Takahiro Sasaki
  • Publication number: 20110228209
    Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t
    Type: Application
    Filed: April 11, 2011
    Publication date: September 22, 2011
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Yohei Nakanishi, Katsufumi Ohmuro, Kunihiro Tashiro, Norio Sugiura, Kengo Kanii
  • Patent number: 7982829
    Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: July 19, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Katsufumi Ohmuro, Kunihiro Tashiro, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Yasuhiro Ohno, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa, Takahiro Sasaki
  • Publication number: 20110170027
    Abstract: A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.
    Type: Application
    Filed: March 23, 2011
    Publication date: July 14, 2011
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 7978290
    Abstract: A liquid crystal display device including first and second substrates, liquid crystal with negative dielectric anisotropy, a polymer which determines directions in which liquid crystal molecules tilt when voltage is applied, and a plurality of picture elements located on the first substrate. At least one of the picture elements includes a switching element, a first sub picture element electrode with a plurality of band-shaped microelectrode parts and a first connecting electrode part electrically connecting the microelectrode parts with one another, and a second sub picture element electrode including a plurality of band-shaped microelectrode parts and a second connecting electrode part electrically connecting the microelectrode parts of the second sub picture element electrode with one another. A voltage applied to the second sub picture element electrode is different from a voltage applied to the first sub picture element electrode.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: July 12, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 7944541
    Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: May 17, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Yohei Nakanishi, Katsufumi Ohmuro, Kunihiro Tashiro, Norio Sugiura, Kengo Kanii
  • Publication number: 20110109826
    Abstract: A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.
    Type: Application
    Filed: January 17, 2011
    Publication date: May 12, 2011
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa