Patents Assigned to Toshiba Mobile Display Co., Ltd.
  • Publication number: 20120057088
    Abstract: In one embodiment, an array substrate includes a plurality of gate lines extending in a column direction. A lighting device includes a first lighting unit, a second lighting unit, and a lighting driver to light on and light off the first and second lighting units independently. The first lighting unit includes a first light source arranged on a scanning starting side of the gate lines. The second lighting unit includes a second light source arranged on a scanning terminating side of the gate lines. The lighting driver lights on the second lighting unit after lighting on the first lighting unit, and lights off the second lighting unit after lighting off the first lighting unit in a period between a starting time to write a first signal and a finishing time to write a second signal in the plurality of pixels.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 8, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Kenji NAKAO, Toshiyuki Higano, Jun Hanari
  • Publication number: 20120050240
    Abstract: In one embodiment, a liquid crystal display device includes first and second areas respectively having a gate line group in an active area, and a dummy gate line group arranged on an outside of the active area. A driving circuit selects the gate lines of the gate line group and the dummy gate lines of the dummy gate line group one by one in the first and second areas. The driving circuit is independently controlled for the first and second areas. The gate lines are scanned from a center portion of the active area to the dummy gate line side in the first and second areas, respectively. An image signal and a non-image signal are written within one-frame period in the first and second areas.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 1, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Yukio Tanaka, Kenji Nakao
  • Publication number: 20120045856
    Abstract: According to one embodiment, a method of manufacturing an organic EL device is disclosed. The method can arrange an adhesive agent of an ultraviolet curable type between a first substrate on which a plurality of light emitting parts are formed in a predetermined direction and a second substrate arranged to face the first substrate separately so as to surround the light emitting parts. Each of the light emitting parts comprises a plurality of organic EL elements. The method can form a substrate pair by exposing the adhesive agent to ultraviolet rays to bond the first substrate and the second substrate to each other with the adhesive agent. The method can place the substrate pair on a first holding member capable of holding an entire surface of the first substrate or the second substrate.
    Type: Application
    Filed: May 31, 2011
    Publication date: February 23, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Shiro SUMITA, Atsushi Hosoda, Tetsuo Ishida, Masuyuki Oota
  • Publication number: 20120044176
    Abstract: In one embodiment, a display device having a touch function includes an insulating substrate and a plurality of pixels formed on the insulating substrate and arranged in a matrix of rows and columns. The pixels form a plurality of pixel blocks formed of a plurality of rows and columns of the pixels. A sensor circuit is arranged in a space between adjacent pixels on the insulating substrate and includes a coupling electrode, a detection electrode arranged adjacent to the coupling electrode for forming a coupling capacitance therebetween, and a reading-out circuit to read out a potential of the detection electrode. At least one sensor circuit is arranged in each pixel block. The contact or non-contact by a fingertip or a nib is detected by a potential difference of the detection electrode.
    Type: Application
    Filed: August 10, 2011
    Publication date: February 23, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Takashi Nakamura, Satoru Tomita, Masayoshi Fuchi, Hirotaka Hayashi, Takayuki Imai, Takashi Okada, Takahiko Endo, Miyuki Ishikawa, Masahiro Tada, Yasuo Saruhashi, Keiichi Saito, Hideyuki Takahashi
  • Patent number: 8114703
    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: November 2, 2010
    Date of Patent: February 14, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventors: Kazuki Kitamura, Tetsuo Ishida
  • Patent number: 8110748
    Abstract: The present invention provides a wiring, a display device, and a method of manufacturing the same. A first metal diffusion-preventing layer is formed on a substrate or on a circuit element formed on the substrate. Then, a metal wiring layer is selectively formed on the first metal diffusion-preventing layer by an electroless metal plating method or a metal electroplating method. Further, the undesired portion of the first metal diffusion-preventing layer is removed. Finally, a second metal diffusion-preventing layer is formed selectively by an electroless metal plating method in a manner to cover the metal wiring layer or both a seed layer and the metal wiring layer.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: February 7, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventor: Hiroki Nakamura
  • Patent number: 8110826
    Abstract: An organic EL display device includes a pixel electrode which is disposed in each of first to third organic EL elements, a first light emission layer which includes a first dopant material having a first absorbance peak, the first light emission layer extending over the first to third organic EL elements and being disposed above the pixel electrode, a second light emission layer which includes a second dopant material having a second absorbance peak and is disposed above the first light emission layer, a third light emission layer which is disposed above the second light emission layer, a counter-electrode which is disposed above the third light emission layer, and a hole transport layer which is formed of a material having an absorbance bottom on a shorter wavelength side than the first absorbance peak and the second absorbance peak in absorbance spectrum characteristics of the hole transport layer.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 7, 2012
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventors: Shuhei Yokoyama, Masuyuki Oota
  • Publication number: 20120026420
    Abstract: In one embodiment, first and second driver circuits are arranged interposing a matrix of pixels. A timing control circuit is electrically connected with the first and second driver circuits. The first driver circuit including a first sequential circuit is electrically connected with the odd scanning lines, and supplies scanning signals to the odd signal lines in order. The second driver circuit including a second sequential circuit is electrically connected with the even scanning lines, and supplies the scanning signals to the even scanning lines in order. The timing control circuit generates first and second synchronization signals, and supplies the first synchronization signal to the first driver circuit and the second synchronization signal to the second driver circuit. The first and second driver circuits supply the scanning signals to the scanning lines in order for every line upon receiving the first synchronization signal and the second synchronization signal from the timing control circuit.
    Type: Application
    Filed: July 22, 2011
    Publication date: February 2, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Akihiko SAITOH
  • Publication number: 20120026270
    Abstract: According to one embodiment, an organic EL device includes a first substrate, a second substrate, an adhesive agent, and a drying agent. An organic EL element is formed on the first substrate. The second substrate has a first surface facing the first substrate and a second surface on an opposite side from the first surface. A concave portion having a bottom portion and a sidewall portion is formed on the first surface. The adhesive agent is surrounding the organic EL element. The adhesive agent is configured to join the first substrate and the second substrate to each other. The drying agent is applied to at least a part of the bottom portion and the sidewall portion of the concave portion.
    Type: Application
    Filed: May 31, 2011
    Publication date: February 2, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Shiro Sumita, Motonobu Aoki, Masuyuki Oota
  • Publication number: 20120019755
    Abstract: In one embodiment, a liquid crystal display panel includes a plurality of pixels arranged in a first direction and a second direction orthogonally crossing with the first direction. A first alignment pattern is formed in the counter electrode. The first alignment pattern faces the pixel electrode and extending in the first direction. A second alignment pattern is formed in the counter electrode. The second alignment pattern also faces the pixel electrode and extends in the second direction intersecting with the first alignment pattern. An expanding alignment portion is arranged at the intersecting portion of the first alignment pattern and the second alignment pattern. The first and second alignment patterns are formed of alignment slits or alignment protrusions arranged in the counter substrate.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 26, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Taiyo TOKUOKA, Tetsuya Iizuka, Kazuya Daishi, Jin Hirosawa
  • Publication number: 20120013830
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate having a first pixel electrode and a first pillar-shaped spacer arranged in an active area, and a second pixel electrode and a second pillar-shaped spacer arranged in a shield area surrounding the active area. A shield layer is formed in the shape of a belt crossing above the first pillar-shaped spacer in the active area and extending to the shield area including a portion above the second pillar-shaped spacer. The height of a first seat layer formed above the first pillar-shaped spacer and including the shield layer, a first color filter layer and an overcoat layer is substantially the same as that of a second seat layer formed above the second pillar-shaped spacer and including the shield layer, a second color filter layer and the overcoat layer.
    Type: Application
    Filed: July 8, 2011
    Publication date: January 19, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Satoshi ASADA, Daiichi SUZUKI, Tetsuo FUKAMI
  • Publication number: 20120007496
    Abstract: In one embodiment, an organic EL lighting apparatus includes a pixel line, a cathode line extending in substantially parallel each other in an active area, and a plurality of light emitting pixels. The light emitting pixel includes an anode electrode electrically connected to the pixel line, a cathode electrode arranged on the anode electrode and a light emitting organic layer arranged between the anode electrode and the cathode electrode. A dot is arranged adjacent to the light emitting pixel for a contact of the cathode line with the cathode electrode.
    Type: Application
    Filed: June 23, 2011
    Publication date: January 12, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Satoshi MARUYAMA, Takahiro OONUMA
  • Publication number: 20120008080
    Abstract: In one embodiment, a liquid crystal panel includes an array substrate, a counter substrate arranged opposing the array substrate through a gap between the array substrate and the counter substrate and a liquid crystal layer held between the gap. The array substrate includes a scanning line, a signal line, a switching element arranged close to an intersection of the scanning line with the signal line. A metal seat layer is formed on an insulating layer facing the signal line. A pillar-shaped spacer is formed on the metal seat layer for holding the gap between the array substrate and the counter substrate.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 12, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Kazuya DAISHI
  • Patent number: 8085355
    Abstract: A structure of a plurality of thin film transistors wherein a peripheral circuit on a glass substrate of a liquid crystal display panel; and each of polycrystalline silicon thin film 13 of the thin film transistor is formed on the glass substrate; and each of gate electrode 15 is formed on a gate insulation layer, and each of the gate electrode 15 is overhead corresponding to the polycrystalline silicon thin film 13 for a channel; wherein the gate electrode 15 is comprised a pair of projection part 15A and a gate-channel 15B; and wherein the pair of projection part 15A is formed the both sides of the gate-channel 15B in which the side is for along the channel-direction, and wherein the pair of projection part 15A is enlarged for across the channel-direction.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: December 27, 2011
    Assignee: Toshiba Mobile Display Co., Ltd.
    Inventors: Hajime Watakabe, Masato Hiramatsu, Toshiya Kiyota, Mikio Murata, Masaki Kado, Arichika Ishida, Yoshiaki Nakazaki
  • Publication number: 20110310336
    Abstract: In one embodiment, a liquid crystal display device includes first and second substrates, an active area to display an image, a seal material surrounding the active area, and an intermediate area between the active area and the seal area. In the intermediate area, first and second color filters are formed on the second substrate. An overcoat layer is laminated on the first and second color filters. First and second pillar-shaped spacers are provided between the overcoat layer and the first substrate corresponding to the first and second color filters to form a first and second cell gaps between the first and second substrates, respectively. The first cell gap adjacent to the active area between the first and second substrates is smaller than the second cell gap adjacent to the seal area in the intermediate area.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 22, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Junichi KOBAYASHI, Yoshio Iwai, Kazuyuki Harada, Yasuhiro Yamamoto
  • Publication number: 20110297645
    Abstract: In one embodiment, a first substrate having a plurality of array regions is prepared. A seal material is formed in each of the array regions. A peripheral seal material is arranged outside the array regions extending in a first direction. The peripheral seal material has an exhaust opening provided at a portion of the peripheral seal material extending in a second direction. A dummy seal material is formed between the peripheral seal material extending in the first direction and the seal material formed in the array region. A second substrate is arranged on a surface of the first substrate in a jig. The inside of the jig is decompressed, and the atmosphere between the first and second substrates is exhausted while applying a pressure to the first and second substrates. Then, the first and second substrates are attached by curing the seal material, the peripheral seal material and the dummy seal material.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 8, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Sumio Miyata
  • Publication number: 20110300781
    Abstract: In one embodiment, a first substrate including first and second array regions are prepared. The first and second array regions respectively include first and second active areas. A peripheral seal material having an air intake opening is arranged outside the first and second array regions. A second substrate is arranged on the surface of the first substrate in which the first and second seal materials and peripheral seal material are formed in a vacuum chamber under vacuum state. Atmosphere is introduced into the vacuum chamber and a space between the first and second seal materials from the air intake opening. Then, a pressure is applied to the first and second substrates by pressure difference between the atmospheric pressure of circumference which surrounds the first substrate and second substrate, and the atmospheric pressure of the space between the first substrate and second substrate.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 8, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Sumio MIYATA
  • Publication number: 20110291551
    Abstract: According to one embodiment, an organic EL element has a first electrode on a first substrate, a first carrier transport layer on the first electrode, an emitting layer on the first carrier transport layer, a second carrier transport layer on the emitting layer, a second electrode on the second carrier transport layer, a first heat absorbing layer on the second electrode, the first heat absorbing layer being separated from a center of the second electrode, and a second substrate on the first heat absorbing layer.
    Type: Application
    Filed: February 22, 2011
    Publication date: December 1, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Mitsugu Tamekawa, Tetsuo Ishida
  • Publication number: 20110285954
    Abstract: In one embodiment, a liquid crystal display device includes a first substrate and second substrate opposing the first substrate. A seal material is formed on the first substrate to attach the first substrate and second substrate with a predetermined cell gap therebetween. The seal material is formed in an approximately rectangular closed loop shape having four straight line portions. The straight line portion includes an expanded portion in which the width of one of the straight line portions is locally expanded. A barrier is arranged between the location where the expanded portion is formed and one end of the first substrate.
    Type: Application
    Filed: May 17, 2011
    Publication date: November 24, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Akira MINAMI
  • Publication number: 20110273397
    Abstract: According to one embodiment, an organic EL display device has a pixel circuit on a first substrate and a touch detection circuit adjacent to the pixel circuit on the first substrate. The pixel circuit has an organic EL light-emitting element configured to emit light having brightness depending on a pixel voltage supplied by a pixel signal line, a drive element configured to drive the organic EL light-emitting element, and a first select element configured to supply the pixel voltage to the drive element in synchronization with a control signal supplied by a control signal line. The touch detection circuit has a touch detection capacitor configured to detect a presence/absence of a touch of a dielectric and a second select element configured to output a signal indicative of the presence/absence of the touch of the dielectric detected by the touch detection capacitor to an electrostatic signal line in synchronization with the control signal supplied by the control signal line.
    Type: Application
    Filed: March 3, 2011
    Publication date: November 10, 2011
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventor: Jun HANARI