Patents by Inventor Hironao Tanaka
Hironao Tanaka 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: 20100157226Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the pixel electrode pattern having a partial connection branch formed around a contact so as to transversely connect a plurality of electrode branches extending from the contact from among the plurality of electrode branches.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: SONY CORPORATIONInventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
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Publication number: 20100157229Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, wherein the extension direction of at least one of slits formed at both ends from among slits formed between the plurality of electrode branches crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: SONY CORPORATIONInventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
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Publication number: 20100157221Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; a pixel electrode pattern formed on the first substrate; and alignment films formed such that the alignment direction of the liquid crystal layer crosses the extension direction of a slit of the pixel electrode pattern at an angle of 7° or larger.Type: ApplicationFiled: December 17, 2009Publication date: June 24, 2010Applicant: SONY CORPORATIONInventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno
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Publication number: 20090296037Abstract: A display device is provided and includes pixel electrodes, each of the pixel electrodes including a plurality of electrode sections which are arranged parallel to each other. Each electrode section is bent approximately in the middle along its extension direction in plan view. The pixel electrodes include a center connection portion adapted to connect together the electrode sections at their bent portions, and include end connection portions adapted to connect together the electrode sections at their end portions, and include protruding portions each of which is formed by extending the end connection portion in such a manner as to protrude from the arranged electrode sections. The display device also includes a substrate on which the pixel electrodes are arranged, an opposed substrate provided to face the side of the substrate on which the pixel electrodes are formed, and a liquid crystal layer filled and sealed between the substrate and opposed substrate.Type: ApplicationFiled: May 18, 2009Publication date: December 3, 2009Applicant: Sony CorporationInventors: Hironao TANAKA, Yoshihiro SAKURAI, Harumi OKUNO
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Publication number: 20090219458Abstract: Disclosed herein is a liquid crystal display device having a liquid crystal between a drive substrate and a counter substrate, and a plurality of main pixels disposed so as to compose a display area, wherein either a liquid crystal alignment controlling factor or a spacer for substrate distance setting is provided in each of at least two sub-pixels of a plurality of sub-pixels composing the main pixel; and light shielding members provided in the at least two sub-pixels so as to correspond to either the liquid crystal alignment controlling factors or the spacers, respectively, are different in area in planar view from each other.Type: ApplicationFiled: February 20, 2009Publication date: September 3, 2009Applicant: Sony CorporationInventors: Kazuyuki Endo, Hironao Tanaka, Eiji Sakai, Shingo Kataoka, Seiji Uejima, Ryo Yamaoka, Shuichi Tatemori, Takeo Koito
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Publication number: 20090147198Abstract: Disclosed herein is a liquid crystal display device including: a first substrate having a pixel area in which pixels are arranged in a matrix form; a second substrate disposed to be opposed to the first substrate; a liquid crystal layer disposed between the first and second substrates; a conductive section disposed at least on the first of the first and second substrates to apply a voltage to the liquid crystal; an organic film disposed at least over one of the first and second substrates; a sealing area adapted to hold the two substrates of the liquid crystal display device together at the peripheral portions of the first and second substrates; and an organic film-free area which is free from the organic film and extends from the inward side of the outermost end of the sealing area to the outward side of the outer periphery of the pixel area.Type: ApplicationFiled: December 4, 2008Publication date: June 11, 2009Applicant: SONY CORPORATIONInventors: Yasuhiro Kanaya, Koji Noguchi, Hironao Tanaka, Masumitsu Ino
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Publication number: 20090135357Abstract: The present invention provides a display apparatus in which destruction of an insulating film by water or water vapor and generation of air bubbles in the display apparatus can be suppressed. The display apparatus includes a display element having a display layer together with a pixel electrode and an opposite electrode, an insulating film in contact with an under face of the pixel electrode and a metal-containing film that contains a metal element, covers an end face of the insulating film, and covers a part of a top face and a part of an under face which continue to the end face of the insulating film.Type: ApplicationFiled: November 21, 2008Publication date: May 28, 2009Applicant: Sony CorporationInventors: Yasuhiro Kanaya, Daiki Nakajima, Yusuke Shimada, Hironao Tanaka
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Publication number: 20090121992Abstract: A color display apparatus is of the type wherein a unit pixel is constituted by at least three subpixels including first to third subpixels, and at each subpixel, a medium for changing an optical property depending on a voltage applied thereto is disposed. The color display apparatus includes means for applying a voltage, to each of the first to third subpixels, for changing the optical property of the medium within a brightness change range in which light passing through the medium is changed in brightness and a hue change range in which the light passing through the medium assumes chromatic color and a hue of the chromatic color is changed while including combinations of red and green, red and blue, and green and blue for the first to third subpixels, respectively.Type: ApplicationFiled: May 13, 2005Publication date: May 14, 2009Applicant: Canon Kabushiki KaishaInventors: Yasufumi Asao, Kohei Nagayama, Ryuichiro Isobe, Hideo Mori, Hironao Tanaka, Hiroshi Matsuda
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Publication number: 20090109358Abstract: Disclosed herein is a display apparatus including a first substrate patterned to create pixel electrodes, a second substrate placed to face the first substrate and a liquid-crystal layer sandwiched by the first and second substrates wherein: one of the first and second substrates is patterned to create color filters each provided for one of a plurality of different colors as color filters each associated with one of the pixel electrodes each included in one of pixels each provided for one of the different colors; each of the pixels each provided for one of the different colors has a pixel area which varies from color to color; and the ratio of the electrode area of any particular one of the pixel electrodes to the pixel area of the pixel that includes the particular pixel electrode varies from color to color.Type: ApplicationFiled: October 8, 2008Publication date: April 30, 2009Applicant: Sony CorporationInventors: Hironao Tanaka, Hidemasa Yamaguchi, Yoshihiro Sakurai
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Publication number: 20090046234Abstract: An embodiment of the invention provides a display device having a common electrode and pixel electrodes disposed in an insulating state on one of a pair of substrates between which a liquid crystal layer is held, in which each of the pixel electrodes includes a plurality of electrode portions disposed in parallel with one another, each of the electrode portions has a flat surface shape in which each of the electrode portions is bent approximately at a central portion in an extension direction, and each of the pixel electrodes also includes a bridge portion through which corresponding ones of the electrode portions are connected to one another in the bending portion.Type: ApplicationFiled: August 13, 2008Publication date: February 19, 2009Applicant: SONY CORPORATIONInventor: Hironao Tanaka
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Publication number: 20090046107Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: ApplicationFiled: October 21, 2008Publication date: February 19, 2009Applicant: CANON KABUSHIKI KAISHAInventors: YASUFUMI ASAO, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe
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Publication number: 20090009703Abstract: Disclosed herein is a liquid crystal display including substrates, a liquid crystal, an orientation layer, and electrodes. The orientation layer includes a base layer having a principal surface provided with a plurality of grooves in parallel, and a coating film covering the principal surface. The coating film has a horizontally orienting ability to orient in parallel the molecular major axes of the liquid crystal molecules in the condition where no voltage is impressed on the principal surface. The grooves each extend along a predetermined direction, and are arrayed repeatedly at a given pitch along the direction orthogonal to the predetermined direction.Type: ApplicationFiled: June 13, 2008Publication date: January 8, 2009Applicant: SONY CORPORATIONInventors: Masaya Tamaki, Hidemasa Yamaguchi, Hironao Tanaka, Motoharu Nishida
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Patent number: 7460115Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: GrantFiled: July 1, 2005Date of Patent: December 2, 2008Assignee: Canon Kabushiki KaishaInventors: Yasufumi Asao, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe
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Publication number: 20080204648Abstract: There is provided a liquid crystal display device that includes a liquid crystal layer interposed between a first substrate and a second substrate and has on a first substrate side a common electrode and a pixel electrode for applying an electric field to the liquid crystal layer, the liquid crystal display device including: a plurality of scan lines and a plurality of signal lines; a drive element; a first insulating film; a common electrode; a second insulating film; and a pixel electrode, wherein the common electrode covers the pixel area except a formation area of the contact hole on the first insulating film and at least one of the scan line and the signal line.Type: ApplicationFiled: February 25, 2008Publication date: August 28, 2008Applicant: SONY CORPORATIONInventors: Hironao Tanaka, Koji Noguchi, Yasuhiro Kanaya, Daiki Nakajima, Daisuke Nozu, Masumitsu Ino
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Publication number: 20080186420Abstract: There is provided a liquid crystal display device in which a direction of an orientation axis of a liquid crystal changes based on an electric field component in a direction different from that of a normal to a principal surface of a substrate, the liquid crystal display device including: a transmitting portion and a reflecting portion disposed on the substrate; wherein a voltage applied to the liquid crystal in the transmitting portion is different from that applied to the liquid crystal in the reflecting portion.Type: ApplicationFiled: January 14, 2008Publication date: August 7, 2008Inventors: Hidemasa Yamaguchi, Hironao Tanaka, Koji Noguchi
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Publication number: 20060050033Abstract: A display apparatus includes a display portion and a control portion, and effects color display depending on image signals for three colors. The control portion includes means 10, into which the image signals for three colors are inputted, for generating a first display signal for determining a brightness of predetermined one color at the display portion and second display signals for determining a hue of other two colors or an intermediary color therebetween at the display portion.Type: ApplicationFiled: July 1, 2005Publication date: March 9, 2006Applicant: CANON KABUSHIKI KAISHAInventors: Yasufumi Asao, Hideo Mori, Kohei Nagayama, Hironao Tanaka, Ryuichiro Isobe
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Patent number: 6999140Abstract: An image display apparatus comprises a pixel electrode, a common electrode, an aperture defined between the pixel electrode and the common electrode. The image display apparatus also includes a scanning line, a signal line, and a shield layer separate from the common electrode to block an electric field generated by at least one of the scanning line and signal line from passing through the aperture.Type: GrantFiled: December 18, 2003Date of Patent: February 14, 2006Assignee: Chi Mei Optoelectronics Corp.Inventors: Hironao Tanaka, Yukito Saitoh, Yasunobu Hiromasu
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Patent number: 6925062Abstract: ATM test equipment are used as a source node and a responder node for conducting a test in a number of modes. At the source node, a test cell is formulated according to a selected test mode with a header identifying the source node and a responder node and a test mode value identifying the selected test mode, and transmits the test cell to an ATM network, and receives a response cell from the network to analyze data contained in the received response cell according to the test mode value of the response cell. The response cell is formulated at the responder node with a header identifying the responder node and the source node and the test mode value of the received test cell. At the responder node, data contained in the received test cell is also analyzed according to the test mode value of the test cell.Type: GrantFiled: December 18, 2000Date of Patent: August 2, 2005Assignees: NEC Corporation, NTT DoCoMo, Inc.Inventors: Hironao Tanaka, Hiroshi Kawakami, Shin Nakamura, Masaru Furukaya
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Publication number: 20040189917Abstract: An image display apparatus comprises a pixel electrode, a common electrode, an aperture defined between the pixel electrode and the common electrode. The image display apparatus also includes a scanning line, a signal line, and a shield layer separate from the common electrode to block an electric field generated by at least one of the scanning line and signal line from passing through the aperture.Type: ApplicationFiled: December 18, 2003Publication date: September 30, 2004Inventors: Hironao Tanaka, Yukito Saitoh, Yasunobu Hiromasu
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Patent number: 6647026Abstract: A frame phase synchronous system, which is accurate with a simple configuration for adjusting phase synchronization in a digital mobile communications system, is provided. A relay node measures a frame phase difference with respect to other relay nodes and obtains an optimum shift value as a first shift value, which is used for adjusting the phase in the relay node and for notifying to a switching node connected as a slave.Type: GrantFiled: September 23, 1999Date of Patent: November 11, 2003Assignee: NEC CorporationInventor: Hironao Tanaka