Patents Assigned to Toshiba Mobile Display Co., Ltd.
  • Patent number: 8456581
    Abstract: A liquid crystal display includes an array substrate which includes a plurality of signal lines, a plurality of scanning lines, a plurality of auxiliary capacitive lines, a plurality of pixels, an auxiliary capacitive line driving circuit, a logic circuit, a first auxiliary capacitive voltage supply line, a second auxiliary capacitive voltage supply line, and a power supply line, an opposite substrate, and a liquid crystal layer. Each of the pixels includes a switching element, a pixel electrode, and an auxiliary capacitive element. A first common line and a second common line are connected to each other on one end side and are in a non-connected state in parts other than the part on the one end side. A common voltage is supplied to the first common line and the second common line from the one end side.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: June 4, 2013
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventor: Hiroyuki Kimura
  • Publication number: 20120249941
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. The first substrate includes a first source line and a second source line extending in a first direction, a main pixel electrode arranged between the first source line and a second source line and extending in the first direction, and a pair of first main common electrodes arranged on the first source line and the second source line interposing an insulating layer and extending in the first direction, respectively. The second substrate includes a pair of second main common electrode arranged above the first main common electrode and extending in the first direction, and the first main common electrode is connected with the second main common electrode. A liquid crystal layer is held between the first substrate and the second substrate.
    Type: Application
    Filed: March 21, 2012
    Publication date: October 4, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Koji YAMAMOTO, Jin Hirosawa
  • Publication number: 20120249930
    Abstract: 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: Application
    Filed: March 21, 2012
    Publication date: October 4, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Keisuke Takano, Takashi Sasabayashi, Arihiro Takeda, Keiji Tago, Jin Hirosawa, Hitomi Hasegawa, Yusuke Morita, Hirokazu Morimoto
  • Publication number: 20120236239
    Abstract: In one embodiment, a liquid crystal display device comprises a pixel electrode including a first main electrode disposed between a first line and a second line and extending like a belt in a first extending direction. A first counter electrode includes a second main electrode extending like a belt in the first extending direction, a second counter electrode having a third main electrode extending like a belt in the first extending direction. The second and third main electrodes are disposed on both sides of the first main electrode, and an initial alignment direction of the liquid crystal molecules is parallel with a direction passing through an interstice between the first end side of the first main electrode and the second line, and through an interstice between the second end side of the first main electrode and the first line.
    Type: Application
    Filed: January 12, 2012
    Publication date: September 20, 2012
    Applicant: TOSHIBA MOBILE DISPLAY CO., LTD.
    Inventors: Yusuke MORITA, Jin Hirosawa, Arihiro Takeda, Nobuko Fukuoka, Keiji Tago, Kazuya Daishi
  • Publication number: 20120229745
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. The first substrate includes a switching element, a first electrode, a second electrode electrically connected with the switching element and facing the first electrode. In the second electrode, a plurality of slits in a V shape is formed along a first direction. The first and second substrates include first and second alignment films, respectively. The slit in the V shape includes a central portion, a first end connected with one end of the first central portion, a second end connected with the other end of the first central portion, a second central portion, a third end connected with one end of the second central portion, and a fourth end connected with the other end of the second central portion. The first end and the third end are connected each other.
    Type: Application
    Filed: February 13, 2012
    Publication date: September 13, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Kazuyuki Harada, Hiroyuki Kimura, Junichi Kobayashi, Masato Nakamura
  • Publication number: 20120229456
    Abstract: A three-dimensional display device includes a pair of substrates arranged opposing each other, a liquid crystal layer held between the pair of substrates, and a display region including a plurality of display pixels arranged in a matrix. A light control element is provided opposing the display region and is arranged periodically in a first direction. The light control element has substantially same characteristics in a second direction. The first direction crosses the second direction for giving a parallax in the first direction. Each pixel includes a plurality of sub-pixels arranged in the second direction, and a ratio of areas of respective sighted regions of the plurality of sub-pixels is constant in each display pixel.
    Type: Application
    Filed: February 24, 2012
    Publication date: September 13, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Hideyuki TAKAHASHI
  • Publication number: 20120218494
    Abstract: In one embodiment, the liquid crystal display device includes a transmissive type liquid crystal display panel. A backlight unit is arranged on a back side of the liquid crystal display panel, and includes a light source portion for radiating the liquid crystal display panel with plane light. An optical sheet is arranged between the liquid crystal display panel and the back light unit. A rear bezel having a counter surface portion is arranged opposing at least a portion of a back side of the light source portion. An elastic sheet having a plurality of slits is arranged between the back side of the back light unit and the counter surface portion for elastically supporting the back light unit.
    Type: Application
    Filed: November 18, 2011
    Publication date: August 30, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Kazuhiro NAKAYAMA, Kazunari Nishita
  • Patent number: 8228474
    Abstract: A liquid crystal display device comprises an array substrate having first and second pixel electrodes arranged adjacent each other and a counter substrate having a counter electrode opposing to the first and second pixel electrodes. First and second slits are formed on the counter electrode opposing to the first and second pixel electrode so as to cross the first and second pixel electrode, respectively. The counter electrode is separated into a first counter electrode portion and a second counter electrode portion by the first and second slits. A connecting counter electrode portion is arranged between the first and second slits to connect the first and second counter electrode portions. A columnar spacer is arranged between the first and second slits opposing to the connecting counter electrode portion to form a cell gap between the array substrate and the counter substrate.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 24, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventors: Masanori Imakawa, Arihiro Takeda, Nobuko Fukuoka
  • Publication number: 20120182509
    Abstract: 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: Application
    Filed: December 29, 2011
    Publication date: July 19, 2012
    Applicant: 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
  • Publication number: 20120154732
    Abstract: In one embodiment, a liquid crystal display device includes a liquid crystal display panel having an active area for displaying images. The active area has pixels arranged in a matrix shape. The liquid crystal display device includes a first substrate having pixel electrodes of the pixels, a second substrate having a plurality of colored layers arranged side by side, and a counter electrode arranged on the colored layers facing the respective pixel electrodes. A seal element is arranged on a seal portion surrounding the active area and attaching the first substrate and the second substrate. A liquid crystal layer is held between the first substrate and the second substrate. The second substrate includes a convex portion arranged between the seal element and the active area, and the convex portion is formed of the same material as one of the plurality of colored layers.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 21, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Shin MORITA
  • Patent number: 8202756
    Abstract: According to one embodiment, a method of manufacturing an organic EL device includes providing a structure including a substrate and an electrode positioned above the substrate, and forming an organic layer including a mixture of first and second organic materials above the electrode. The first organic material has a first sublimation point. The second organic material has a second sublimation point higher than the first sublimation point. The formation of the organic layer includes heating an evaporation material including a mixture of the first and second organic materials to an evaporation temperature so as to sublimate the first and second organic materials, and delivering the sublimed first and second organic materials toward the electrode to deposit a mixture including the first and second organic materials above the electrode. The evaporation temperature is, for example, a temperature higher than the second sublimation temperature by 50° C. or more.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: June 19, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventors: Kazuki Kitamura, Tetsuo Ishida
  • Publication number: 20120133874
    Abstract: In one embodiment, a liquid crystal display panel includes an array substrate and a counter substrate each having a display region and a peripheral region arranged adjacent to the display region. A resin layer is formed either one of the array substrate and the counter substrate. A protrusion in the shape of a wall is arranged on the resin layer with a gap between the protrusion and the substrate opposing the protrusion. A seal material is formed between the array substrate and the counter substrate, and arranged between a peripheral portion of the display region and the protrusion for attaching the array substrate and the counter substrate. A liquid crystal layer is formed in a surrounded region by the array substrate, the counter substrate and the seal material.
    Type: Application
    Filed: October 18, 2011
    Publication date: May 31, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Katsuhiro HOSHINA, Tetsuya IlZUKA
  • Publication number: 20120119217
    Abstract: In one embodiment, a nonplanar display devise includes an array substrate and a counter substrate formed of non-glass material. The array substrate includes a polishing stopper layer formed on a glass substrate. A ground layer is formed on a polishing layer. A switching element is arranged on the ground layer, and a pixel electrode is connected to the switching element. The nonplanar display device is manufactures as follows. First, the glass substrate is removed from the display cell. Then, the polishing stopper layer of the array substrate is removed. Finally, the nonplanar display device is manufactured by attaching an exposed ground layer of the array substrate and an insulating layer formed of the non-glass material in the display cell.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 17, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Yasushi KAWATA
  • Publication number: 20120119982
    Abstract: In one aspect, a liquid crystal display device includes a display region formed of a plural divided regions in a row direction. First and second driving circuits are arranged to face each other interposing the display region therebetween in the row direction. The first driving circuit is connected with odd scanning lines, and the second driving circuit is connected with the even scanning lines. A channel area of the TFT of the pixels connected to the odd scanning lines is the smallest in the divided region nearest to the first driving circuit and becomes larger gradually in the divided regions distant from the first driving circuit. A channel area of the TFT of the pixels connected to the even scanning lines is the smallest in the divided region nearest to the second driving circuit and becomes larger gradually in the divided regions with distant from the second driving circuit.
    Type: Application
    Filed: September 23, 2011
    Publication date: May 17, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Masaki MIYATAKE, Tetsuya Iizuka, Katsuhiro Hoshina
  • Patent number: 8179512
    Abstract: A liquid crystal display device includes first and second substrates and a liquid crystal layer interposed therebetween. The first substrate includes first and second electrodes separated by an insulation interlayer provided for each pixel. The second electrode has a plurality of slits. An alignment of liquid crystal molecules of the liquid crystal layer is controlled by operation of first and second transistors to control an electric field between the first and second electrodes. The first transistor includes a drain electrode coupled to the first electrode, and the second transistor includes a drain electrode coupled to the second electrode. The second transistor is switched in synchronization with the first transistor.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: May 15, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventor: Naofumi Sato
  • Patent number: 8169570
    Abstract: A liquid crystal display device having a non-rectangular display panel includes an active area which is defined by a peripheral shield layer. A plurality of pixels are formed in the active area in a matrix and typically each pixel includes a plurality of sub-pixels to display respective different colors. The pixels include a first pixel arranged in the peripheral region of the active area and a second pixel arranged at an inner region. A part of the first pixel located in a peripheral region of the active area is covered with the peripheral shield layer. The thickness of the color filter layer arranged in the first pixel where the peripheral shield layer overlaps with the first pixel is smaller than that of a same color filter arranged in the second pixel having a larger effective display area than that of the first pixel area.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: May 1, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventor: Shin Morita
  • Publication number: 20120099070
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and a second substrate. In the first substrate, gate lines extend in a first direction, and a first source line and a second source line extend in a second direction orthogonally crossing the first direction. A pixel electrode having a first belt-like main electrode is arranged approximately in a central portion between the first source line and the second source line and extending in the second direction. A first belt-like sub-electrode covers the gate line between the first source line and the second source line and extending in the first direction. The second substrate includes a counter electrode having a second main electrode arranged on the first and second source lines and extending in the second direction. A liquid crystal layer is held between the first substrate and the second substrate.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 26, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Jin HIROSAWA, Arihiro TAKEDA, Nobuko FUKUOKA, Yusuke MORITA, Kazuya DAISHI
  • Patent number: 8154682
    Abstract: A backlight unit comprising: a quadrilateral light guide plate 4; and a substrate 3 comprises a plurality of light-emitting diodes 2; and an inner frame 8 which surround the light guide plate 4; and an outer frame 7 which surround the inner frame 8 and the substrate 3; a plurality of rubber members 9; wherein a side of the inner frame 8 is opposite to the light-emitting diodes 2, and two corners are formed edges of the side; and the rubber member 9 is placed the each corners; and wherein the rubber member 9 comprises a cylindrical part; and wherein the cylindrical part is projected inside of the inner frame 8.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: April 10, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventor: Tsutomu Arihara
  • Publication number: 20120081499
    Abstract: According to one embodiment, a print head includes first and second substrates, an OLED array and a drive circuit. The first substrate extending in a first direction and has a main surface including first to third regions. The first region extends in the first direction. The second and third regions are arranged in a second direction crossing the first direction with the first region interposed between the second and third regions. The OLED array includes first electrodes arranged above the first region, an organic emitting layer positioned above the first electrodes, and a second electrode positioned above the organic emitting layer. The drive circuit is configured to supply drive currents to the first electrodes and includes a first circuit positioned above the third region and a second circuit positioned above the third region.
    Type: Application
    Filed: July 18, 2011
    Publication date: April 5, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Takanori TSUNASHIMA, Yoshiro Aoki
  • Publication number: 20120081495
    Abstract: According to one embodiment, an organic EL device includes a substrate, a first translucent insulating film, a second translucent insulating film, a first electrode, a second electrode, and an emitting layer. The substrate has a first index of refraction. The first translucent insulating film is on the substrate, and the first insulating film has a second index of refraction higher than the first index of refraction. The second translucent insulating film is on the first insulating film, and the second insulating film has a third index of refraction lower than the second index of refraction. The first electrode is on the second insulating film, and the first electrode has a fourth index of refraction higher than the third index of refraction. The second electrode is facing the first electrode. The emitting layer is between the first electrode and the second electrode.
    Type: Application
    Filed: May 31, 2011
    Publication date: April 5, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Hirofumi Kubota, Satoshi Okutani, Masuyuki Oota