With Detail Of Terminals To External Circuit Patents (Class 349/152)
  • Patent number: 8624253
    Abstract: To improve the reliability of contact with an anisotropic conductive film in a semiconductor device such as a liquid crystal display panel, a terminal portion of a connecting wiring on an active matrix substrate is electrically connected to an FPC by an anisotropic conductive film. The connecting wiring is made of a lamination film of a metallic film and a transparent conductive film. In the connecting portion with the anisotropic conductive film, a side surface of the connecting wiring is covered with a protecting film made of an insulating material, thereby exposure to air of the metallic film can be avoided.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: January 7, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 8625041
    Abstract: An array substrate, liquid crystal display for the same and manufacturing method thereof are described. The array substrate includes a substrate, a plurality of scan lines, a plurality of data lines, a plurality of contact pads, a passivation layer and transparent conducting layer. The substrate has a first display region, a second display region and a first non-display region. The contact pads are disposed in the first non-display region. The transparent conducting layer disposed in the passivation layer includes a first pixel electrode, a second pixel electrode and a plurality of comb electrode. The first pixel electrode and second pixel electrode are disposed in the first display region and the second display region wherein the widths of the first pixel electrodes either are equal to or approximate the widths of the second pixel electrodes. The comb electrodes are disposed in the first non-display region and connected to the contact pads.
    Type: Grant
    Filed: January 21, 2012
    Date of Patent: January 7, 2014
    Assignee: Hannstar Display Corporation
    Inventors: Yung-Fu Chen, Rong-Bing Wu, Po-Hsiao Chen, Chien-Hao Wu
  • Patent number: 8619230
    Abstract: An approach is provided for manufacturing a LCD apparatus. A first substrate is formed by forming a transparent conductive layer on a first transparent insulating substrate and forming a transparent conductive electrode on the transparent conductive layer. A second substrate is formed by forming a thin-film transistor (TFT) on a second transparent insulating substrate and forming a pixel electrode. The first substrate is coupled to the second substrate using a sealing member.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: December 31, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Shim, Gug-Rae Jo, Sung-Hoon Yang, Kap-Soo Yoon, Ki-Hun Jeong, Jae-Ho Choi
  • Patent number: 8619207
    Abstract: In an amorphous silicon thin film transistor-liquid crystal display device and a method of manufacturing the same, gate patterns including a gate line and a gate electrode are formed on an insulation substrate having a display region and a driving circuit region on which a plurality of shift resistors are formed. A gate insulating film, active layer patterns and data patterns including source/drain electrodes are formed successively on the substrate. A passivation layer on the substrate has a first contact hole exposing a drain electrode of the display region and second and third contact holes respectively exposing a gate electrode and source/drain electrode of a first transistor of each of the shift resistors.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: December 31, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong-Gyu Kim
  • Patent number: 8614680
    Abstract: A touch substrate including a substrate, a plurality of first sensing series, a plurality of second sensing series, a plurality of signal pads, a plurality of signal transmission lines, and a plurality of conductive patterns is provided. The substrate has an active region and a peripheral region located outside the active region. The first and the second sensing series are disposed on the substrate and located in the active region. The signal pads are disposed on the substrate and located at the peripheral region. The signal transmission lines are disposed on the substrate and located in the peripheral region, and connect the first sensing series and the second sensing series to the corresponding signal pads. Each signal transmission line includes a winding portion disposed adjacent to one corresponding signal pad. Each conductive pattern is disposed on one signal pad and extends above the winding portion of one signal transmission line.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: December 24, 2013
    Assignee: Au Optronics Corporation
    Inventors: Yu-Chuan Lin, Chun-Chi Lai, Jing-Tin Kuo, Kuo-Hsing Cheng
  • Patent number: 8610869
    Abstract: A flat display panel includes an array substrate and a color filter substrate facing each other. Multiple first electrodes and second electrodes are formed on the array substrate. The first electrodes receive scan signals transmitted from a driving circuit, and each of the second electrodes is connected to a corresponding scan line. Multiple signal lines are formed on the color filter substrate and in an active display area. Besides, multiple third electrodes and forth electrodes are formed on the color filter substrate. Each of the third electrodes is electrically connected to a corresponding forth electrode by a corresponding signal line, each of the third electrodes is electrically connected to a corresponding first electrode, and each of the forth electrodes is electrically connected to a corresponding second electrode.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: December 17, 2013
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Wan-Jen Tsai
  • Patent number: 8610871
    Abstract: A method for forming a multilayer includes a process for forming a first conductive layer on a substrate; a process for forming a first insulating layer on the first conductive layer; a process for forming a second conductive layer on the first insulating layer and patterning the deposited second conductive layer; a process for forming a second insulating layer over the substrate so as to cover the patterned the second conductive layer; a process for forming a third insulating layer on the second insulating layer, wherein an etching speed of the third insulating layer is faster than that of the second insulating layer; and a process for forming contact holes at once that expose at least a part of the first conductive layer to the first insulating layer, the second insulating layer and the third insulating layer.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: December 17, 2013
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yoshitaka Tanaka, Hiroyuki Chikamori
  • Patent number: 8599353
    Abstract: The present disclosure generally relates to multilayer display connections, display devices using the display connections, and tiled displays, in particular tiled reflective cholesteric liquid crystal displays. The displays include substrates that have integral tabs for bringing the electrical connections from one major surface of the display to the opposite major surface of the display. The inactive region of a tiled display is thereby minimized by making the electrical connections to display drivers on the major surface opposite the viewing area.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: December 3, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas R. Corrigan, Patrick M. Campbell, Dennis M. Brunner
  • Patent number: 8593611
    Abstract: A LCD panel including an active device array substrate, an opposite substrate, a liquid crystal layer, a conductive sealant and restraining elements is provided. The active device array substrate includes common lines, transfer pads and a dielectric layer. The dielectric layer has openings exposing the transfer pads. The opposite substrate has a common electrode. The liquid crystal layer and the conductive sealant are disposed between the active device array substrate and the opposite substrate. The conductive sealant surrounds the liquid crystal layer. The openings are corresponding to corners of the conductive sealant. The conductive sealant fills the openings and the common electrode is electrically connected to the transfer pads through the conductive sealant. Further, the restraining elements are between the active device array substrate and the opposite substrate and are distributed around the corners of the conductive sealant such that the conductive sealant is forced to fill into the openings.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: November 26, 2013
    Assignee: Au Optronics Corporation
    Inventors: Chia-Yang Cheng, Shih-Hsun Lo, Shan-Fu Yuan
  • Patent number: 8582068
    Abstract: An active matrix substrate is provided with first inspection wirings (70, 75) capable of inputting inspection signals to first switching wirings that are not adjacent to each other among the first switching wirings (69, 74) and to second switching wirings that are not adjacent to each other among the second switching wirings (69, 74), and second inspection wirings (72, 77) capable of inputting inspection signals to first switching wirings that are not adjacent to each other and not connected to the first inspection wirings among the first switching wirings (69, 74) and to second switching wirings that are not adjacent to each other and not connected to the first inspection wirings among the second switching wirings (69, 74).
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: November 12, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takehiko Kawamura, Kazunori Tanimoto, Isao Ogasawara, Masahiro Yoshida, Hideaki Takizawa
  • Patent number: 8576368
    Abstract: A driving circuit for a liquid crystal display, the driving circuit being an integrated circuit having electrode pads disposed on a surface of the integrated circuit, bumps formed on the electrode pads, a conductive adhesive layer formed on the bumps and conductive particles having an outer conductive layer and an elastic polymer inner portion deposited on the conductive adhesive layer. The driving circuit is mounted on a TFT array substrate and bonded to pads provided on the substrate. The conductive particles reduce electrical connection resistance that would otherwise arise due to height differences between bumps in a plurality of bumps, and prevents electrical open defects and an electrical short defects.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Hee Kim, Ho-Min Kang, Jong-Sig Hyun
  • Patent number: 8576190
    Abstract: The gap between a first transparent substrate and a second transparent substrate is greater in a terminal region in which a flexible printed circuit and anisotropic conductive films are inserted, than the gap between the first and second transparent substrates in a detection region. A guide portion which is used to guide an end of the flexible printed circuit at which the anisotropic conductive films are provided, into the gap between the first and second transparent substrates, is provided on the first or second transparent substrate.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: November 5, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yasuhiko Sugihara
  • Patent number: 8576367
    Abstract: A liquid crystal display panel device includes a thin film transistor array substrate having a gate line provided on a substrate, a data line intersecting the gate line and having a gate insulating pattern disposed therebetween to define a pixel area, a thin film transistor provided at the intersection between the gate line and the data line, a protective film for protecting the thin film transistor, a pixel electrode provided at the pixel area and connected to the thin film transistor, a gate pad connected to the gate line and formed from a transparent conductive film included in the gate line, and a data pad connected to the data line and formed from the transparent conductive film, and a color filter array substrate joined with the thin film transistor array substrate to be opposed to each other, wherein the protective film is provided at an area where it overlaps with the color filter array substrate to expose the transparent conductive films included in the gate pad and the data pad.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: November 5, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Soon Sung Yoo, Youn Gyoung Chang, Seung Hee Nam
  • Patent number: 8570480
    Abstract: A display device having slim border-area architecture is disclosed. The display device includes a substrate, a plurality of data lines, a plurality of gate lines, a plurality of auxiliary gate lines and a driving module. The substrate includes a display area and a border area. The data lines, the gate lines and the auxiliary gate lines are disposed in the display area. The driving module is disposed in the border area. The gate lines are crossed with the data lines perpendicularly. The auxiliary gate lines are parallel with the data lines. Each auxiliary gate line is electrically connected to one corresponding gate line. The data and auxiliary gate lines are electrically connected to the driving module based on an interlace arrangement. Further disclosed is a driving method for delivering gate signals provided by the driving module to the gate lines via the auxiliary gate lines.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: October 29, 2013
    Assignee: AU Optronics Corp.
    Inventors: Yi-Chen Chiang, Chih-Hung Shih, Maw-Song Chen, Tzu-Wei Ho, Ching-Huan Lin, Yu-Hsuan Li, Yao-Jen Hsieh, Ya-Ting Hsu, Chi-Mao Hung, Ken-Ming Chen, Yu-Cheng Chen
  • Patent number: 8570479
    Abstract: To provide means for resolving a problem in which in steps of connecting a panel array substrate and a stick substrate, connection failure is enhanced and reliability is deteriorated by a positional shift caused in connecting operation and a positional shift caused by shrinkage of the substrate, a shape of a total of a stick substrate 103 is constituted by a rectangular shape (Lx1×Ly1) and contiguous electrode pads are arranged to shift by Ts in Y-direction by which lead wirings of the panel array substrate and lead wirings of the stick substrate can be connected with high accuracy and an electrooptical device having high yield and excellent display characteristic is provided.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: October 29, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama
  • Publication number: 20130271716
    Abstract: In one embodiment, an array substrate includes a first array area and a second array area adjoining the first array area. The first array area includes a first electric power supply line arranged along a periphery of the first array area. The second array area includes a pixel electrode, a second electric power supply line arranged along a periphery of the second array area, and an electric power supply pad electrically connected with the second electric power supply line. The electric power supply pad is arranged facing the first electric power supply line so as to sandwich a boundary between the first array area and the second array area. Corner potions of the electric power supply pad facing the first electric power supply line are formed in an arc shape.
    Type: Application
    Filed: March 7, 2013
    Publication date: October 17, 2013
    Inventor: Masanori ANDO
  • Patent number: 8558981
    Abstract: Disclosed herein is a display device including a pair of substrates opposed to each other, a pixel region provided between the substrates, and an external wiring provided on an extension of one of the substrates. The external wiring is disposed in a recess formed on the extension. With this structure, the external wiring provided on the extension can be reliably protected to thereby improve the reliability of the display device.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: October 15, 2013
    Assignee: Japan Display West, Inc.
    Inventors: Hisao Hayashi, Shigetaka Toriyama
  • Patent number: 8547516
    Abstract: A driver circuit for use with a passive matrix or active matrix electro-optical display device such as a liquid crystal display is fabricated to occupy a reduced area. A circuit (stick crystal) having a length substantially equal to the length of one side of the matrix of the display device is used as the driver circuit. The circuit is bonded to one substrate of the display device, and then the terminals of the circuit are connected with the terminals of the display device. Subsequently, the substrate of the driver circuit is removed. The driver circuit can be formed on a large-area substrate such as a glass substrate, while the display device can be formed on a lightweight material having a high shock resistance such as a plastic substrate.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: October 1, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuhiko Takemura, Setsuo Nakajima, Yasuyuki Arai
  • Patent number: 8541888
    Abstract: A pad layout structure of a driver IC chip to be mounted to a liquid crystal display panel. The pad layout structure includes power pad sections placed at respective four corners of the driver IC chip and each having a first power pad for supplying first power to the driver IC chip, a second power pad for supplying second power to the driver IC chip, a third power pad for supplying third power to the driver IC chip and a fourth power pad for supplying fourth power to the driver IC chip.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: September 24, 2013
    Assignee: Silicon Works Co., Ltd.
    Inventors: Joung Cheul Choi, An Young Kim, Joon Ho Na, Dae Seong Kim, Dae Keun Han
  • Patent number: 8537321
    Abstract: In one embodiment, a liquid crystal display device includes a first insulating substrate and a second insulating substrate opposing the first insulating substrate. An electric power supply line formed along a perimeter of the first insulating substrate, and an electric power supply pad is arranged at a corner portion of the first insulating substrate apart from the electric power supply line. A plurality of signal lines are formed crossing between the electric power supply line and the electric power supply pad. An insulating layer covers the signal lines, and a connection electrode is arranged on the insulating layer for connecting the electric power supply line and the electric power supply pad. At least one slit is formed in the connection electrode extending in a direction so as to cross the signal lines. An electrically conductive element connects the electric power supply pad with a counter electrode.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: September 17, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Akira Yokogawa
  • Patent number: 8537298
    Abstract: In a liquid crystal display device of IPS mode with a smaller number of layers, a gate electrode is formed on a TFT substrate. A gate insulating film is formed to cover the gate electrode, on which a semiconductor layer is formed. A drain electrode and a source electrode are placed on the semiconductor layer. A planar pixel electrode is formed from ITO on the gate insulating film prior to the formation of the drain electrode, source electrode, image signal line, and the like. This process is performed to prevent the image signal line, the drain electrode, the source electrode, and the like, from being consumed by the cell reaction through a developer during the patterning of the ITO when a pin hole is present in the ITO, in order not to cause disconnection. As a result, it is possible to improve the production yield and achieve high reliability.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: September 17, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Kenji Anjo, Tomohiko Ootani
  • Patent number: 8537527
    Abstract: A mounting board includes two or more metal layers including the outermost metal layer, and a plurality of metal portions, both of which are formed on a substrate. The plurality of metal portions are formed between a first metal layer of the two or more metal layers and a second metal layer of the two or more metal layers, the first metal layer being the outermost metal layer and the second metal layer being different from the outermost metal layer. The second metal layer includes a plurality of first wiring layers extending in a first direction in a plane. The first metal layer is arranged in zigzags in a second direction intersecting with the first direction and includes a plurality of contact pads connected correspondingly to the plurality of first wiring layers through the metal portions.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 17, 2013
    Assignee: Sony Corporation
    Inventors: Akiyoshi Aoyagi, Eizo Okamoto
  • Patent number: 8531617
    Abstract: A display includes; a substrate including a display region and a peripheral region, a common line portion provided in the peripheral region of the substrate, and the common line portion includes a common line and a common line protruding portion which extends away from and is wider than the common line, and a dummy pattern portion which partially overlaps a boundary region between the common line and the common line protruding portion.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: September 10, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hyuk Kim, Neung Ho Cho, Young Tae Noh, Jung Mok Park, Hyun Su Lim
  • Patent number: 8519926
    Abstract: A liquid crystal display (LCD) device with a register-type gamma reference voltage generating unit inside a data driving IC, thus to remove a source block dim phenomenon in a Chip on Glass (COG) cascade structure, and a driving method thereof. The LCD device comprises an LCD panel on which a plurality of gate lines and data lines intersect with each other. A TFT is formed at each intersection, to thus define images. A data driving unit supplies a gradation voltage to the LCD panel through a gamma voltage generating unit. A gate driving unit supplies a gate pulse to each gate line on the LCD panel. A timing controller controls the gate driving unit, the data driving unit and the gamma voltage generating unit.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: August 27, 2013
    Assignee: LG Display Co., Ltd.
    Inventor: Hong-Youl Lim
  • Patent number: 8502944
    Abstract: A liquid crystal display (LCD) device of a horizontal electric field type is disclosed. The LCD device is fabricated by a three-mask process, and has gate pad, common pad and data pad electrodes, each including a upper electrode formed of a transparent conductive material. With a lift-off process, these upper electrodes are formed within contact holes.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: August 6, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Byung Chul Ahn, Youn Gyoung Chang, Heung Lyul Cho
  • Patent number: 8493538
    Abstract: A flat display panel comprises a plurality of driver ICs and one or more flexible printed circuit, a plurality of common wires formed on the substrate to electrically connect the ICs to the one or more flexible printed circuit, and at least one anisotropic conductive film that connects respective connecting terminals of the driver ICs and flexible printed circuit to terminals pads of the common wires. The anisotropic conductive film is laminated over the substrate to cover the terminal pads. The driver ICs and flexible printed circuit are aligned and attached on the anisotropic conductive layer by thermocompression bonding.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: July 23, 2013
    Assignee: AU Optronics Corp.
    Inventors: Chao-Liang Lu, Chih-Hsiang Yang, Kuo-Chih Lee
  • Patent number: 8488094
    Abstract: An electro-optical device substrate includes, upon a substrate: multiple pixel units; multiple first electrodes, provided in a peripheral region located in the periphery of a pixel region in which the multiple pixel units are arranged, that are configured containing a first conductive material; multiple second electrodes, provided in the peripheral region, that are configured containing a second conductive material that differs from the first conductive material; multiple first lines that are formed in the peripheral region, are configured containing the first conductive material, and that electrically connect first electrodes that are adjacent to each other of the multiple first electrodes; and a second line that is formed in the peripheral region and that electrically connects at least one of the multiple first electrodes and at least one of the multiple second electrodes. The electrical resistance of the second line is higher than the electrical resistance of the multiple first lines.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: July 16, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Hiroshi Mochiku
  • Patent number: 8482688
    Abstract: An array substrate includes a base substrate, a plurality of storage voltage lines, a plurality of connecting lines, and a common voltage applying section. Pixels are formed in regions defined by a plurality of gate lines extending along a first direction and data lines extending along a second direction. The connecting lines are connected to the storage voltage lines that are formed on adjacent pixels of pixels arranged in the second direction. The common voltage applying section applies a common voltage to the storage voltage lines that are formed in a portion of the pixels arranged in the first direction. Thus, a substantially uniform current may be applied to the display area to decrease the distortion of the common voltage, thereby increasing a liquid crystal display device's display quality.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: July 9, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyuk-Jin Kim, Kyung-Wook Kim, Dong-Wuuk Seo
  • Patent number: 8477280
    Abstract: When a counter signal line 13 electrically connected to a counter electrode 24 is provided on an active matrix substrate 11 , a coil 14 is formed by allowing a part of the counter signal line 13 to make a loop in a plane parallel to the substrate. To form the coil 14 , two wiring layers provided to the active matrix substrate 11 are used. By inserting the coil 14 in series with the counter signal line 13 , high-frequency noise placed on a counter electrode voltage is suppressed and a liquid crystal applied voltage is stabilized, improving the display quality of a liquid crystal screen. A similar coil may be formed using a power supply line on the active matrix substrate 11. By this, a liquid crystal panel which is highly immune to noise even without providing anti-noise components is provided.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: July 2, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Shinsuke Yokonuma
  • Patent number: 8467027
    Abstract: A display panel including plural wiring sets is provided. Each of the wiring sets includes plural wires extending substantially along a straight direction. Each of the wiring sets has a first part and a second part respectively located at two opposite sides of a sealant. The first part is located between the sealant and an active region of the display panel, and a shortest distance of two adjacent wire segments of the first part is larger than a shortest distance of two adjacent wire segments of the second part. In addition, the shortest distance of two adjacent wire segments of the first part may be limited from about 15 ?m to about 35 ?m. The configuration of wiring set can reduce crosstalk of electric field between two adjacent wires to prevent light leakage and improve display quality.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: June 18, 2013
    Assignee: Au Optronics Corporation
    Inventors: Chun-Huan Chang, Chien-Hao Fu, Chun-Kai Chang
  • Patent number: 8462308
    Abstract: An array substrate comprises on an insulative substrate, a plurality of display areas to be portions of a plurality of display panels, in which, each display area is constituted with a plurality of pixels arranged in a matrix, and the pixels is constituted with pixel electrodes formed at intersection portions of plural scan wirings and plural signal wirings; a common wiring is formed outside each display area, for applying a reference voltage to the pixels; a plurality of external-connection terminals is formed outside each display area, to be connected with a driver circuit that drives; and comprises connection wirings located so as to intersect a cutting line along which the insulative substrate is to be cut, for connecting the external-connection terminals in one of the display panels on the insulative substrate with a common wiring in another one of the display panels adjacent to the external-connection terminals, wherein the connection wirings are formed in a conductive layer superior in corrosion resist
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: June 11, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventor: Manabu Tanahara
  • Patent number: 8462307
    Abstract: A LCD device and its fabrication method as discussed. According to an embodiment, the LCD device includes a plurality of gate lines and data lines arranged on a substrate to define a plurality of unit pixels; thin film transistors (TFTs) each formed at an intersecting region of the gate lines and the data lines; a plurality of gate pad portions and data pad portions formed at end portions of the gate lines and the data lines, respectively, at least one of the gate and data pad portions being made up of at least two pad unit portions, each pad unit portion having at least one contact hole such that the contact holes of one of the plurality of gate or data pad portions are arranged in a zigzag or an oblique line format; and pixel electrodes formed at the unit pixels.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: June 11, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Yun-Ho Kook, Soon-Sung Yoo, Youn-Gyoung Chang, Seung-Hee Nam, Nam-Kook Kim
  • Patent number: 8456603
    Abstract: The present invention prevents, when a COF which is connected with an external circuit is bent in a flat display device, the disconnection of lines on the COF. At a position where a line of the COF is connected to terminal portions of a TFT, and the line having a large width is branched into lines having a small width T1 to T3 or T4 to T6. By displacing line branching positions from each other as indicated by an arrow A and an arrow B, when the COF is bent or deformed, stress applied to the line branching positions can be dispersed thus preventing the disconnection of lines.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: June 4, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Yuuichi Takenaka
  • Patent number: 8456584
    Abstract: A liquid crystal display device strengthens an adhesive force of an electrostatic prevention means without increasing a thickness of the liquid crystal display device by bending part of the bottom cover thereof into a “C”-shape, thereby securing a space for adhering an upper indium tin oxide (ITO) of the color filter substrate and the electrostatic prevention means, in a small-sized model having an in-plane switching (IPS) mode liquid crystal panel, and the liquid crystal display device may include a liquid crystal panel configured with a color filter substrate and an array substrate to display an image; a backlight assembly provided at a rear surface of the liquid crystal panel to supply light to the liquid crystal panel; a support main for accommodating and fixing the liquid crystal panel and the backlight assembly; a bottom cover fastened to the support main to include at least one bending portion in which part thereof is bent in a “C”-shape; and a electrostatic prevention means adhered to cover part of an
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: June 4, 2013
    Assignee: LG Display Co. Ltd.
    Inventor: Hyung-Mo Koo
  • Patent number: 8446556
    Abstract: Provided are a flexible printed circuit that reduces the chance of the occurrence of short-circuit failures caused by swarf generated from punching out flexible printed circuit, and an electric circuit structure having this flexible printed circuit and an electric circuit substrate to which the flexible printed circuit is connected. A flexible printed circuit (100) has a wiring pattern (2) formed on the flexible base film (1). The flexible printed circuit (100) is individually punched out to be separated in a condition where the wiring pattern (2) is disposed on the base film (1), and the wiring pattern (2) has a narrowed portion (2c) near the edge of the base film (1).
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: May 21, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Teruo Kawamura, Toshio Etoh
  • Patent number: 8432503
    Abstract: A method of forming an array substrate for a LCD device includes patterning a first metal layer and a first barrier metal layer to form a gate electrode, a gate line and a gate pad; forming a gate insulation layer to cover the gate electrode, line and pad; forming an active layer, an ohmic contact layer, a second barrier metal layer and a second metal layer including a copper (Cu) layer on the gate insulation layer; patterning the second metal layer and the second barrier metal layer by a first etching process; patterning an exposed portion of the second metal layer and the second barrier metal layer and ohmic contact layer to form source and drain electrodes each having a double layered structure of the second barrier metal layer and the second metal layer; and forming a pixel electrode on a passivation layer formed on the source and drain electrodes.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: April 30, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Won-Ho Cho, Gyoo-Chul Jo, Gue-Tai Lee, Jin-Gyu Kang, Beung-Hwa Jeong, Jin-Young Kim
  • Patent number: 8427595
    Abstract: To provide a structure suitable for a common connection portion provided in a display panel. A common connection portion provided in an outer region of a pixel portion has a stacked structure of an insulating layer formed using the same layer as a gate insulating layer, an oxide semiconductor layer formed using the same layer as a second oxide semiconductor layer, and a conductive layer (also referred to as a common potential line) formed using the same layer as the conductive layer, in which the conductive layer (also referred to as the common potential line) is connected to a common electrode through an opening in an interlayer insulating layer provided over the first oxide semiconductor layer and an electrode opposite to a pixel electrode is electrically connected to the common electrode through conductive particles.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: April 23, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kengo Akimoto, Shigeki Komori, Hideki Uochi, Rihito Wada, Yoko Chiba
  • Patent number: 8427623
    Abstract: A thin film transistor array panel including a display area having a gate line, a data line insulated from and intersecting the gate line, a thin film transistor connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, and a peripheral area formed on the circumference of the display area, according to an exemplary embodiment of the present invention, includes: a driving signal line formed with the same layer as the gate line in the peripheral area and receiving an external signal; a connection signal line formed with the same layer as the data line in the peripheral area; a disconnection prevention member overlapping the side surface of the connection signal line on the connection signal line; and a connection assistance member formed on the disconnection prevention member and connecting the driving signal line and the connection signal line.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: April 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Hwan Yu, Hyang-Shik Kong, Su-Hyoung Kang
  • Patent number: 8421981
    Abstract: A display panel having a display region and a sealant region is provided. The display panel includes a first substrate, a second substrate, a sealant and a display medium. The sealant is disposed between the first and second substrates and within the sealant region. The display medium is disposed between the first and second substrates and within the display region. The second substrate includes pixel units and wires electrically connected to the pixel units. The pixel units are disposed within the display region, the wires extend to the sealant region from the display region, and at least a portion of the wires in the sealant region has slots. In particular, each of the slots has a side edge adjacent to the edge of the wire which the slot is disposed therein, and the distances from the side edge to the edge of the wire are not equal.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: April 16, 2013
    Assignee: Au Optronics Corporation
    Inventors: Pai-Hung Hsu, Chien-Hao Fu, Chun-Huan Chang, Ming-Chin Lee, Min-Feng Chiang
  • Patent number: 8421973
    Abstract: A sealant contains a plurality of conductive members, and is formed in a closed pattern, when viewed from a direction normal to a surface of a first substrate or a second substrate. A second electrode is formed on a surface located on the first substrate side of the second substrate, and a first electrode, which is provided so as to face a part of the second electrode, and is electrically connected to the second electrode through the conductive members contained in the sealant, is formed over the first substrate. The first electrode is provided so as to at least partially overlap a crossing portion of the sealant.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: April 16, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yohsuke Fujikawa
  • Patent number: 8421980
    Abstract: A liquid crystal display device includes a liquid crystal panel including a display unit in which pixels are provided in the form of a matrix and a plurality of pad units provided at a peripheral portion in at least one side of the display unit and including a plurality of connection pads having widths different from each other, and a tape carrier package including a plurality of output pads corresponding to the plurality of pad units, in which driving integrated circuits are mounted on the output pads to drive the liquid crystal panel, and the output pads have widths different from each other corresponding to the plurality of connection pads.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: April 16, 2013
    Assignee: LG Display Co., Ltd.
    Inventor: Eun Hong Kim
  • Patent number: 8421943
    Abstract: A display device including a thin film transistor having a semiconductor layer comprising an i-type semiconductor and an impurity doped semiconductor laminated over a first insulating film, a first electrode formed over the semiconductor layer, and a second electrode formed by a part of a data line. A second insulating film is formed over the data line and the transistor and a third electrode is formed over the second insulating film and overlapped with a gate line. In a cross section of an end portion of the first electrode in a direction of a length of a channel, the impurity doped semiconductor extends a minimum distance of 0.2 ?m beyond the first electrode in the direction of a length of a channel of the transistor and the i-type semiconductor extends beyond the impurity doped semiconductor in the direction of a length of a channel.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: April 16, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Kikuo Ono, Masahiro Tanaka, Yoshiaki Nakayoshi, Nobuyuki Suzuki
  • Patent number: 8416370
    Abstract: A liquid crystal display device includes a polarizer plate attached to at least one of outer surfaces opposed to the inner surfaces of a counter substrate and an array substrate between which a liquid crystal layer is interposed. Active areas are formed on the respective array and counter substrates to form a pixel matrix. A shield element surrounds the active area on the counter substrate and extends to a corner portion of the counter substrate where a polarizer plate fiducial mark is formed to check alignment error of the polarizer plate attached to each of the respective outer surfaces of the array substrate and the counter substrate, the fiducial mark formed by patterning of the material of the shield layer to produce a pattern defined by retained portions of the material of the shield layer and aperture portions where the material of the shield layer has been removed.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: April 9, 2013
    Assignee: Japan Display Central Inc.
    Inventor: Akira Yokogawa
  • Patent number: 8405812
    Abstract: A connecting structure of the present invention includes a first substrate, a second substrate on which the first substrate is laminated, and a sheet like connection body having one end connected to one principal surface of the first substrate and another end connected to one principal surface of the second substrate, wherein a lengthwise direction of the sheet like connection body is parallel to a perimeter part of the first substrate, and the sheet like connection body has a slit part extending from one of end portions thereof to a part thereof along the lengthwise direction, and has a first end and a second end divided by the slit part at one of end portions, the first end is connected to a principal surface of the first substrate in vicinity of a peripheral part of the first substrate, and the second end is connected to a principal surface of the second substrate in vicinity of a peripheral part of the first substrate.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: March 26, 2013
    Assignee: NLT Technologies, Ltd.
    Inventors: Youichirou Kamon, Hiroshi Haga, Tetsuroh Asakura
  • Patent number: 8400438
    Abstract: A display apparatus includes a display panel on which a pad part is formed, a driving chip including bumps making contact with the pad part, and a non-conductive adhesive film disposed between the display panel and the driving chip attaching the driving chip to the pad part. Each of the bumps includes a step-difference portion including a non-conductive elastic polymer and a bump line formed on the step-difference portion. The bump line is provided with a fine pattern through which a portion of the step-difference portion is exposed, and the bump line makes contact with the pad part. Accordingly, the reliability of the electrical connection between the driving chip and the display panel may be increased.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jun Lee, Jang-Kyum Kim
  • Patent number: 8400440
    Abstract: A display device includes a substrate, a display region having pixels on the substrate, a drive circuit element mounted on a peripheral portion of the substrate, a plurality of terminal portions formed on the peripheral portion and arranged on a mounting portion of the drive circuit element, and a plurality of wiring lines prolonged from the terminal portions to the outside of the mounting portion of the substrate. The terminal parts are arranged to two lines of the plurality of wiring lines along one end of the mounting portion, a plurality of bumps connected to each of the terminal portions by an anisotropic conductive film are formed on the plane facing the terminal portion of the drive circuit element, a part of the plurality bumps include a first bump and a second bump which is adjoined close to the first bump.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: March 19, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yuuichi Takenaka, Takanori Nakayama
  • Patent number: 8395724
    Abstract: A display device includes an illumination medium, a display medium, and a conductor. The illumination medium includes a light-emitting element and a connection portion. The light-emitting element includes a first electrode and a second electrode and emits light with the use of power supplied between the first electrode and the second electrode. The connection portion is electrically connected to at least one of the first electrode and the second electrode. The display medium includes a terminal, relay wiring, and an electro-optical element. The relay wiring is electrically connected to the terminal. The electro-optical element controls light that is irradiated by and comes from the illumination medium according to electric energy supplied to the electro-optical element. The conductor electrically connects the relay wiring and the connection portion.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 12, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Takehiko Kubota
  • Patent number: 8395744
    Abstract: In an active matrix type display device having a drive circuit at one side of an active matrix substrate and feeding a common voltage Vcom to a counter substrate side via a common transfer, the area of a frame region is reduced without degrading the yield. A pixel region of the active matrix substrate includes an actual pixel region containing an effective pixel for performing a display in accordance with a data signal supplied by signal lines, and a dummy pixel region positioned at the panel end side as compared to the actual pixel region. At least a portion of a common wiring is arranged in the dummy pixel region of the pixel region to supply a common signal to common transfers arranged on a side facing the side of the active matrix substrate where a bus line drive circuit is arranged.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: March 12, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Masahiro Yoshida
  • Patent number: 8390775
    Abstract: A liquid crystal display device includes first and second substrates facing each other; a liquid crystal layer between the first and second substrates; and a seal pattern between the first and second substrates surrounding the liquid crystal layer, wherein the seal pattern is made of one of frit glass and glass paste.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: March 5, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Young Oh, Jong-Il Kim, Soo-Pool Kim
  • Patent number: RE44314
    Abstract: In spite of an increase in the size of a liquid crystal display panel, it is possible to prevent the defective connection of a flexible wiring board to a transparent substrate of the liquid crystal display panel. A liquid crystal display device includes a pair of transparent substrates arranged to oppose each other across a liquid crystal, for which they are utilized to form a chamber, a plurality of pixels formed along a spreading direction of the liquid crystal, driving circuits for supplying video signals to the pixels, and a flexible wiring board for supplying signals to the input sides of the driving circuits from a substrate on which a control circuit is mounted, the flexible wiring board being divided into a plurality of portions.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: June 25, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yasuyuki Mishima, Shunsuke Morishita