Resistance Reducing Electrodes Patents (Class 349/148)
  • Patent number: 10692438
    Abstract: Provided are a display panel and a display device, where a display area of the display panel includes a first display area and a second display area, each of the first display area and the second display area includes a plurality of pixels arranged in an array, and the quantity of pixels in at least one row of pixels in the first display area is less than the quantity of pixels in any row of pixels in the second display area. The display panel further includes a gate driving circuit and a plurality of scan signal lines, and at least one of the scan signal lines provides a scan signal for a row of the pixels. The display panel further includes resistance compensation units connected to the scan signal lines of the first display area, and the resistance compensation units are metal or metal oxide conducting wires.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 23, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xingxing Yang
  • Patent number: 10175531
    Abstract: Disclosed are a liquid crystal display panel and a liquid crystal display device for improving display brightness uniformity. The liquid crystal display panel includes a display substrate, a source driving circuit and a plurality groups of gate driving circuits. Each gate driving circuit includes a gate driving chip and a group of fan-out circuits, and resistances of wirings of different groups of fan-out circuits gradually increase along a direction away from the source driving circuit. The liquid crystal panel can improve brightness uniformity in different positions while displaying.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 8, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Shouzhen Yue, Jinbo Guo, Jinjie Wang
  • Patent number: 9651831
    Abstract: A third external connection terminal electrically connected to a peripheral electrode line is disposed between a first external connection terminal electrically connected to a data signal supply line, and a second external connection terminal electrically connected to a scan signal supply line, and the peripheral electrode line is disposed so as not to planarly intersect with the data signal supply line and the scan signal supply line.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: May 16, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Teiichiro Nakamura
  • Patent number: 9406273
    Abstract: Disclosed are a flat panel display apparatus and a source driver integrated circuit. The flat panel display apparatus and the source driver integrated circuit supply power to each position in the source driver integrated circuit at a uniform level, so that the output characteristics of a plurality of units using the power are uniform.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 2, 2016
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Young Bok Kim, Pyung Sik Ma
  • Patent number: 9402296
    Abstract: An exemplary liquid crystal display panel includes a substrate and first conductive wires. The first conductive wires are arranged at a surface of the substrate. Each of the first conductive wires includes a plurality of first connecting portions, a plurality of second connecting portions and a conductive portion with a plurality of conductive particles. The conductive portion is sandwiched between the first connecting portions and the second connecting portions, thus electrically connecting the first connecting portions to the second connecting portions. A method for manufacturing the liquid crystal display panel is also provided.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: July 26, 2016
    Assignee: INNOLUX CORPORATION
    Inventors: Charles Chien, Shang-Yu Huang, Tsau-Hua Hsieh, Chien-Ting Lai
  • Patent number: 9155175
    Abstract: An exemplary liquid crystal display panel includes a substrate and first conductive units. The first conductive units are arranged at a surface of the substrate. Each of the first conductive units includes a plurality of first connecting portions, a plurality of second connecting portions and a conductive portion with a plurality of conductive particles. The conductive portion is located between the first connecting portions and the second connecting portions, thus electrically connecting the first connecting portions to the second connecting portions. A method for manufacturing the liquid crystal display panel is also provided.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: October 6, 2015
    Assignee: InnoLux Corporation
    Inventors: Charles Chien, Shang-Yu Huang, Tsau-Hua Hsieh, Chien-Ting Lai
  • Patent number: 9123587
    Abstract: An embodiment of the invention provides a thin-film transistor substrate including: a substrate; a gate electrode disposed on the substrate; a gate insulating layer disposed on the substrate and covering the gate electrode; an active layer disposed on the gate insulating layer and above the gate electrode; an etching stop layer disposed on the active layer; a source electrode disposed on the etching stop layer and electrically connecting the active layer; a first insulating layer disposed on the etching stop layer and covering the source electrode; and a transparent electrode including a drain electrode and a pixel electrode connected thereto, wherein the drain electrode passes through the first insulating layer and the etching stop layer and directly contacts the active layer to electrically connect the active layer, and the pixel electrode is disposed the first insulating layer.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: September 1, 2015
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Hao Tsai, Chih-Lung Lin
  • Patent number: 9024857
    Abstract: Provided are a gate driving apparatus and a display device including the same. The gate driving apparatus includes a plurality of stages arranged sequentially, each stage is adapted to output a gate signal and including first output lines and a second output line, wherein the first output lines are electrically connected to a gate line corresponding to each of the stages and are adapted to transmit the gate signal to a plurality of pixels coupled to the gate line, the second output line is adapted to transmit the gate signal to a preceding stage of each of the stages, and the first output lines and the second output line share one contact pad.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Hyun Ahn, Byoung-Sun Na, Kyong-Sik Choi, Hye-Rim Han, Seon-Kyoon Mok, So-Young Kim, Woo-Jung Shin
  • Patent number: 9001299
    Abstract: A low-resistance wiring structure and a liquid crystal display are disclosed. The liquid crystal display includes a first substrate; a thin film transistor (TFT) formed on the first substrate and formed of a gate wiring, a data wiring and a semiconductor layer; and a second substrate attached to the first substrate in a facing manner, wherein at least one of the gate wiring and the data wiring is formed as a first wiring made of copper, a second wiring made of a barrier metal preventing spreading of copper, and a metal oxide film pattern formed between the first and second wirings. A MO/Cu wiring structure is implemented by using pure molybdenum, so that the low-resistance wiring structure with high reliability can be formed at a low cost.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: April 7, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Gyu-Won Han
  • Patent number: 8941807
    Abstract: An exemplary liquid crystal display panel includes a substrate and first conductive wires. The first conductive wires are arranged at a surface of the substrate. Each of the first conductive wires includes a plurality of first connecting portions, a plurality of second connecting portions and a conductive portion with a plurality of conductive particles. The conductive portion is sandwiched between the first connecting portions and the second connecting portions, thus electrically connecting the first connecting portions to the second connecting portions. A method for manufacturing the liquid crystal display panel is also provided.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: January 27, 2015
    Assignee: InnoLux Corporation
    Inventors: Charles Chien, Shang-Yu Huang, Tsau-Hua Hsieh, Chien-Ting Lai
  • Patent number: 8848125
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a thin film transistor having a signal line of dual layered structure of a copper compound and copper, and a pixel electrode connected to the thin film transistor.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 30, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Gyoo-Chul Jo, Yong-Sup Hwang
  • Patent number: 8836904
    Abstract: An exemplary liquid crystal display panel includes a substrate and first conductive wires. The first conductive wires are arranged at a surface of the substrate. Each of the first conductive wires includes a plurality of first connecting portions, a plurality of second connecting portions and a conductive portion with a plurality of conductive particles. The conductive portion is sandwiched between the first connecting portions and the second connecting portions, thus electrically connecting the first connecting portions to the second connecting portions. A method for manufacturing the liquid crystal display panel is also provided.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: September 16, 2014
    Assignee: InnoLux Corporation
    Inventors: Charles Chien, Shang-Yu Huang, Tsau-Hua Hsieh, Chien-Ting Lai
  • Patent number: 8804061
    Abstract: Disclosed embodiments relate to signal routings for use in a display device. The display device may include a liquid crystal display (LCD) panel having multiple pixels arranged in rows and columns. Each of the pixels includes a pixel electrode and a thin-film transistor (TFT). The LCD may include a conductive signal routing portion having a first metallic layer, a second metallic layer formed directly on the first metallic layer, and a third metallic layer formed directly on the second metallic layer. The first metallic layer may include a contact terminal. The second metallic layer when combined with the third metallic layers may decrease the resistance of the third metallic layer.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: August 12, 2014
    Assignee: Apple Inc.
    Inventors: Ting-Kuo Chang, Shih-Chang Chang, Abbas Jamshidi Roudbari, Cheng-Ho Yu
  • Patent number: 8542338
    Abstract: An in-plane switching mode liquid crystal display device includes first and second substrates facing each other, a gate line and a data line arranged on the first substrate crossing each other and defining a pixel region, a switching device at a crossing of the gate line and the data line, a common electrode and a pixel electrode alternately disposed in the pixel region, at least one of the common electrode and the pixel electrode including a multi-layer having a conductor layer and a reflectance reducing layer, and a liquid crystal layer formed between the first and second substrates.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: September 24, 2013
    Assignee: LG Display Co., Ltd.
    Inventor: Ji Young Ahn
  • Patent number: 8416164
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes: a lower substrate having a first and a second common voltage supplying line, pixel regions defined by a plurality of gate lines and a plurality of data lines and arranged in a matrix, and a plurality of common lines electrically connected to the second common voltage supplying line and arranged to be parallel to each of the gate lines; an upper substrate disposed to face the lower substrate and having a common electrode electrically connected to the first common voltage supplying line; a dot for electrically connecting the first common voltage supplying line and the common electrode; and a common voltage generator for generating a first and a second common voltage for independently supplying the first and the second common voltage to the first and the second common voltage supplying line.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: April 9, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Kwang Hee Hwang, Chan Won Lee, Sung Hyun Cho
  • Patent number: 8400600
    Abstract: A method of fabricating a liquid crystal display device includes in a first mask process, forming a first mask pattern group including a gate line, a gate electrode connected to the gate line and a common line parallel to the gate line that have a first conductive layer group structure having at least double conductive layers. A second mask process forms a gate insulating film on the first mask pattern group and a semiconductor pattern thereon. A third mask process forms a third mask pattern group including a data line, a source electrode connected to the data line and a drain electrode opposite the source electrode that have a second conductive layer group structure having at least double conductive layers, and a protective film interfacing with the third mask pattern group on the gate insulating film.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: March 19, 2013
    Assignee: LG Display, Co., Ltd.
    Inventors: Byung Chul Ahn, Joo Soo Lim, Byung Ho Park
  • Patent number: 8289463
    Abstract: A pixel unit of TFT-LCD array substrate and a manufacturing method thereof is disclosed. In the manufacturing method, besides a first insulating layer and a passivation layer, a second insulating layer is adopted to cover the gate island, and forms an opening on the gate island to expose the channel region, the source region and the drain region of the TFT. A gray tone mask and a photoresist lifting-off process are utilized to perform patterning, so that the TFT-LCD array substrate can be achieved with just three masks.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: October 16, 2012
    Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Haijun Qiu, Zhangtao Wang, Xu Chen, Tae Yup Min
  • Patent number: 8199271
    Abstract: An LCD device and a method for fabricating the same is disclosed that improves a yield by decreasing processing time. The LCD device includes gate and data lines formed substantially perpendicular to each other on a substrate and defining a unit pixel region; a thin film transistor formed at a crossing of the gate and data lines; an active layer formed over the gate line, the data line, and the thin film transistor; an organic resin formed on a portion of a gate insulating layer not including the gate line, the data line, and the thin film transistor; a passivation layer formed on an entire surface of the substrate including the thin film transistor; and a pixel electrode, formed in the unit pixel region, the pixel electrode being connected with a drain electrode of the thin film transistor.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: June 12, 2012
    Assignee: LG Display, Co., Ltd.
    Inventor: Gee Sung Chae
  • Patent number: 8174660
    Abstract: Provided are a metal line, a method of forming the same, and a display using the same. To increase resistance of a metal line having a multilayered structure of CuO/Cu and prevent blister formation, a plasma treatment is performed using a nitrogen-containing gas and a silicon-containing gas or using a hydrogen or argon as and the silicon-containing gas. Accordingly, a plasma treatment layer such as a SiNx or Si layer is thinly formed on the copper layer, thereby preventing an increase in resistance of the copper layer and also preventing blister formation caused by the damage of a copper oxide layer. Consequently, it is possible to improve the reliability of a copper line and thus enhance the reliability of a device.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Ryul Kim, Yong-Mo Choi, Sung-Hoon Yang, Hwa-Yeul Oh, Kap-Soo Yoon, Jae-Ho Choi, Seong-Hun Kim
  • Patent number: 8120921
    Abstract: A device having electronic components mounted therein has a first electronic component having an external terminal on a first surface and a heat spreader on a second surface, at least one second electronic component that is placed in the direction of a second surface of the first electronic component, a flexible circuit board that is electrically connected to the first electronic component and at least one second electronic component, and at least the part to which at least one second electronic component is connected is located on the second surface side of the first electronic component, and a spacer that is located between at least part of the flexible circuit board and the second surface of the first electronic component. The spacer can prevent heat from the first electronic component from being directly transferred to the second electronic component.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: February 21, 2012
    Assignees: NEC Corporation, NEC Access Technica, Ltd.
    Inventors: Takao Yamazaki, Shinji Watanabe, Tomoo Murakami, Yuuki Fujimura, Ryoji Osu, Katsuhiko Suzuki, Shizuaki Masuda, Nobuyuki Sato, Kikuo Wada
  • Patent number: 8098359
    Abstract: A liquid crystal display device in accordance with one aspect of the present invention includes a liquid crystal panel including a electrode substrate, a opposed substrate disposed opposite to the electrode substrate, and liquid crystal sandwiched between the electrode substrate and the opposed substrate, and a transparent conductive film formed on the opposite surface of the opposed substrate to the liquid crystal, wherein the thickness d1 (cm) of the transparent conductive film satisfies the equation d1>0.5×R1×?0×?r×S/d0 (cm), where R1 (?·cm) is specific resistance of the transparent conductive film, ?0 (F/m) is the electric constant, ?r (F/m) is relative dielectric constant of the opposed substrate, d0 (cm) is thickness of the opposed substrate, and S (m2) is size of the display area of the liquid crystal panel.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: January 17, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Tamatani, Takanori Okumura
  • Patent number: 8045123
    Abstract: A display device includes a substrate having display portion and peripheral portion, a plurality of gate signal lines and a plurality of drain signal lines formed over the substrate, a plurality of switching elements connected to the plurality of gate signal lines and the plurality of drain signal lines and formed over the substrate, and a plurality of pixel electrodes connected to the plurality of switching elements and formed in the display portion. An organic interlayer film is formed in the display portion and the peripheral portion, and a covering layer is formed on the organic interlayer film in the peripheral portion and the insulating film includes at least one of a plurality of recesses and protuberances.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: October 25, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Tetsuya Kawamura, Kazuhiko Yanagawa, Nagatoshi Kurahashi, Tsuyoshi Uchida
  • Patent number: 8040452
    Abstract: A pixel unit of TFT-LCD array substrate and a manufacturing method thereof is disclosed. In the manufacturing method, besides a first insulating layer and a passivation layer, a second insulating layer is adopted to cover the gate island, and forms an opening on the gate island to expose the channel region, the source region and the drain region of the TFT. A gray tone mask and a photoresist lifting-off process are utilized to perform patterning, so that the TFT-LCD array substrate can be achieved with just three masks.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 18, 2011
    Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Haijun Qiu, Zhangtao Wang, Xu Chen, Tae Yup Min
  • Patent number: 8027007
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a thin film transistor having a signal line of dual layered structure of a copper compound and copper, and a pixel electrode connected to the thin film transistor.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: September 27, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Gyoo-Chul Jo, Yong-Sup Hwang
  • Patent number: 8023086
    Abstract: A pad structure of a liquid crystal display (LCD) device and a fabrication method thereof are provided. The pad structure of the LCD device includes: a bottom electrode formed with a predetermined area at one edge side of each of signal lines formed on an array substrate; an insulation layer formed over the bottom electrode; a contact hole for exposing the bottom electrode, the contact hole formed as a predetermined portion of the insulation layer is etched; and a terminal electrode formed over the contact hole, thereby being connected with the bottom electrode, wherein the bottom electrode is formed in a dual structure including an aluminum alloy layer using AlNd and a molybdenum (Mo) layer and a thickness of the Mo layer is greater than at least about one quarter of the thickness of the aluminum alloy layer formed beneath the Mo layer.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: September 20, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Seong Soo Hwang, Jong A Choi, Jong Sung Yim
  • Patent number: 7968881
    Abstract: The invention relates to a thin film transistor substrate and a display device including the same, and provides a thin film transistor substrate and a display device including the same, which can prevent damage of elements due to static electricity by forming, in each unit pixel region where a pair of first and second pixel electrodes, a pair of first and second drain electrode plates that are connected to the first and second pixel electrodes and to connected to drain terminals of thin film transistors, and can obtain a dot inversion driving effect through line inversion driving by connecting the first drain electrode in one pixel region to the first drain electrode plate, connecting the second drain electrode in the one unit pixel region to the second drain electrode plate, connecting a first drain electrode in another unit pixel region neighboring the one unit pixel region to the second drain electrode plate, and connecting a second drain electrode in another unit pixel region to the first drain electrode
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Kyeong Lee, Hyo Taek Lim, Young Goo Song, Sahng Ik Jun, Ja Hee Woo
  • Patent number: 7940361
    Abstract: A liquid crystal display device including, a pair of substrates, a gate electrode of a thin film transistor (TFT) formed on one of the substrates, and a wiring layer connected to the gate electrode or an electrode of the thin film transistor, wherein at least a part of the gate electrode or a part the wiring layer is formed by a layer structured by a pure copper layer and a Cu—Mn alloy layer including Mn, wherein a concentration of Mn in the Cu—Mn alloy layer is more than 0.1 and not more than 20 atomic percentage within a solubility limit of Mn in the copper, and wherein a boundary surface between the Cu—Mn alloy layer and said one of the substrate includes an oxide layer having a Mn oxide layer.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: May 10, 2011
    Assignee: Advanced Interconnect Materials, LLC
    Inventor: Junichi Koike
  • Patent number: 7916230
    Abstract: A pixel unit of TFT-LCD array substrate and a manufacturing method thereof is disclosed. In the manufacturing method, besides a first insulating layer and a passivation layer, a second insulating layer is adopted to cover the gate island, and forms an opening on the gate island to expose the channel region, the source region and the drain region of the TFT. A gray tone mask and a photoresist lifting-off process are utilized to perform patterning, so that the TFT-LCD array substrate can be achieved with just three masks.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: March 29, 2011
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Haijun Qiu, Zhangtao Wang, Xu Chen, Tae Yup Min
  • Patent number: 7911575
    Abstract: It is disclosed a liquid crystal display having an electrode pad for compensating for differences in resistance of electrode links. The liquid crystal display including a pixel area and a driving circuit, comprises at least two electrode links each extended from the pixel area; and at least two pads in contact with the driving circuit and the electrode links, each pad being in contact with each electrode link and having a non-resistivity that depends on a length of the each electrode link. Accordingly, resistance differences that depend on the length of the electrode links are compensated for using electrode pads, thereby making signal conductors with substantially equal resistances.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: March 22, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Hong Jin Kim
  • Patent number: 7903220
    Abstract: Provided is a liquid crystal display device including: a pair of transparent substrates including a liquid crystal layer interposed therebetween, wherein, at the liquid crystal layer side of one of the pair of transparent substrates, a plurality of scan lines and a plurality of signal lines are arranged in a display area in a matrix, first electrodes are formed in pixel areas partitioned by the scan lines and the signal lines, a second electrode is formed on the first electrodes with an insulating film interposed therebetween over at least the display area, a common line is formed outside the display area, and the second electrode is electrically connected to the common line via a low-resistance line which is formed along at least one side of the display area.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: March 8, 2011
    Assignee: Sony Corporation
    Inventors: Hideki Kaneko, Masahiro Horiguchi, Osamu Kobayashi
  • Patent number: 7902558
    Abstract: A method for manufacturing a substrate of a liquid crystal display device is disclosed. The method includes forming a conductive line structure with low resistance to improve the difficulty of the resistance matching. The method can effectively reduce the resistance of the conductive line of the LCD panel to increase the transmission rate of the driving signal. Hence, the increasing yield of products can reduce the cost of manufacturing, and can meet the requirement of the large-size and high-definition thin film transistor liquid crystal display device.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: March 8, 2011
    Assignee: AU Optronics Corporation
    Inventors: Yi-Wei Lee, Ching-Yun Chu
  • Patent number: 7880693
    Abstract: According to an embodiment of the present invention, there is provided a display that includes a plurality of pixel circuits, a scanner, and a drive interconnect. The plurality of pixel circuits are arranged in a matrix and each includes at least one transistor of which the conduction state is controlled through the reception of a drive signal to a control terminal. The scanner outputs a drive signal to the control terminals of the transistors included in the pixel circuits. The drive interconnect is connected to the control terminals of the transistors in the pixel circuits in common and allows transmission of a drive signal output by the scanner. The drive interconnect includes a configuration that averages signal delay due to interconnect resistance differences dependent upon the distance from a drive signal output terminal of the scanner.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: February 1, 2011
    Assignee: Sony Corporation
    Inventor: Tetsuo Minami
  • Patent number: 7868986
    Abstract: A display panel including first to third conductive films is provided, which includes: a first signal line including a first portion that includes the first conductive film, an intermediate portion that includes at least two of the first to the third conductive films (“intermediate portion films”), and a contact portion that contacts an output terminal of a driving circuit and includes the intermediate portion films except for at least one of the intermediate portion films; a second signal line intersecting the first signal line and including the second conductive film; a switching element connected to the first and the second signal lines; and a pixel electrode connected to the switching element and including the third conductive film.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: January 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chun-Gi You
  • Patent number: 7864288
    Abstract: A liquid crystal display (LCD) array substrate and its manufacturing method are provided. Scan lines and data lines of the LCD array substrate are composed of two conductive layers to decrease their RC delay. Moreover, the dielectric layer and even the planarization layer are removed from pixel areas defined by the scan lines and the data lines to increase the light penetration percentage.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: January 4, 2011
    Assignee: Au Optronics Corporation
    Inventors: Yeong-Feng Wang, Liang-Bin Yu, Chih-Jui Pan
  • Patent number: 7859634
    Abstract: A display device includes a display panel, and a semiconductor chip having plural bump electrodes and mounted on a substrate constituting the display panel. The plural bump electrodes include a first bump electrode arranged in the vicinity of a center for a longitudinal direction of the semiconductor chip, and a second bump electrode arranged in the vicinity of an end portion in the longitudinal direction of the semiconductor chip. The semiconductor chip has one or more than one conductive layer inside. Assuming that a surface of the semiconductor chip having the bump electrodes formed thereon is a lower side, the number of the conductive layers formed on the second bump electrode is greater than the number of the conductive layers formed on the first bump electrode. The conductive layer formed on the first and the second bump electrode includes a dummy conductive layer.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: December 28, 2010
    Assignee: Hitachi Displays, Ltd.
    Inventors: Hironobu Isami, Tatsuo Makishima
  • Patent number: 7808606
    Abstract: A method for manufacturing a substrate, includes: coating the substrate with a first layer including a first metallic element by a dry deposition technique; coating the first layer with a photo resist layer; forming on the photo resist layer an exposure portion, a pair of non-exposure portions being in contact with the exposure portion and having a substantially parallel stripe-like plan shape, and a half exposure portion that is a part of an inner region of the non-exposure portions and an outer region of the non-exposure portions; removing the exposure portion and an upper portion of the half exposure portion, the upper portion having been exposed; forming an electrode portion and a wiring portion by etching the first layer exposed by removing the exposure portion; exposing the electrode portion and the wiring portion by removing the half exposure portion of which the upper portion has been removed, and forming a pair of banks by the pair of non-exposure portions; applying a treatment solution including a s
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: October 5, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Atsushi Denda
  • Patent number: 7782433
    Abstract: A method of forming an oxide film on a surface of a copper alloy, including the steps of providing a copper alloy including copper and an element selected from the group consisting of Mn, Zn, Ga, Li, Ge, Sr, Ag, Ba, Pr and Nd, and diffusing atoms of the element to a surface of the copper alloy so as to form an oxide film on the surface of the copper alloy, wherein a concentration of the element in the copper alloy is more than 0.1 and not more than 20 atomic percentage and within a solubility limit of the element in the copper.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: August 24, 2010
    Assignees: Tohoku University, Advanced Interconnect Materials LLC
    Inventor: Junichi Koike
  • Patent number: 7773181
    Abstract: A liquid crystal display device according to an embodiment of the present invention includes a liquid crystal display panel which has a plurality of data lines, a plurality of gate lines crossing the data lines, and a plurality of liquid crystal cells that are defined by the data lines and the gate lines; a first data driver disposed at an upper side of the liquid crystal display panel to supply data to odd-numbered data lines; a second data driver disposed at a lower side of the liquid crystal display panel to supply data to even-numbered data lines; a first gate driver disposed at a left side of the liquid crystal display panel to supply a scan pulse to odd-numbered gate lines; and a second gate driver disposed at a right side of the liquid crystal display panel to supply a scan pulse to even-numbered gate lines, and wherein at least any one of the data lines and the gate lines has a line width that varies along its length.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: August 10, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Hoon Ko, Woon Sub Choi
  • Patent number: 7768000
    Abstract: A manufacturing method for a thin film transistor array panel including forming a gate electrode, forming an insulating layer on the gate electrode, sequentially forming a lower conducting layer and a upper conducting layer on the insulating layer, etching the upper conducting layer to form a first source electrode and a first drain electrode, etching the lower conducting layer to form the second source electrode and the second drain electrode, over-etching the second source electrode and the second drain electrode, and forming an organic semiconductor between the second source electrode and the second drain electrode.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 3, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hwan Cho, Bo-Sung Kim, Keun-Kyu Song, Tae-Young Choi, Min-Ho Yoon, Jung-Hun Noh
  • Patent number: 7738072
    Abstract: A liquid crystal display (LCD) array substrate and its manufacturing method are provided. Scan lines and data lines of the LCD array substrate are composed of two conductive layers to decrease their RC delay. Moreover, the dielectric layer and even the planarization layer are removed from pixel areas defined by the scan lines and the data lines to increase the light penetration percentage.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: June 15, 2010
    Assignee: Au Optronics Corporation
    Inventors: Yeong-Feng Wang, Liang-Bin Yu, Chih-Jui Pan
  • Patent number: 7710526
    Abstract: An array substrate for an IPS mode LCD device comprises a substrate; a gate line along a first direction; a data line along a second direction; a TFT connected to the gate and data lines; a common electrode having a plate shape on the substrate and formed of a first transparent conductive material; and a pixel electrode formed of a second transparent conductive material on the common electrode and including first and second portions and a plurality of third portions combining the first portion with the second portion. The first and second portions are parallel to the second direction and separated from each other and the plurality of third portions are oblique to the first and second portions and separated from one another.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: May 4, 2010
    Assignee: LG. Display Co., Ltd.
    Inventors: Do-Sung Kim, Byung-Chul Ahn
  • Patent number: 7659958
    Abstract: A gate wire is formed on the insulating substrate. The gate wire has gate lines, first and second gate electrodes connected to the gate lines, and gate pads. A gate insulating layer, first and second semiconductor layers and an ohmic contact layer are sequentially formed thereon. A data wire is formed on the ohmic contact layer. The data wire has first and second data lines, data line connectors, first and second source electrodes, first and second drain electrodes, and data pads. A passivation layer is formed on the data wire, and has contact holes respectively exposing the first and the second drain electrodes, and the gate and the data pads. Pixel electrodes, and subsidiary gate and data pads are formed on the passivation layer. As described above, the data line is provided at opposite sides of the pixel area so that variation in the pixel voltage due to the parasitic capacitance between the partitioned areas with different degree of misalignment is reduced.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: February 9, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Dong-Gyu Kim
  • Patent number: 7652740
    Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a first double-layered metal structure and a second double-layered metal structure. The first double-layered metal structure includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer and a first copper layer. The second double-layered metal structure includes a data line, source and drain electrodes, a capacitor electrode, and a data pad electrode, wherein all of the data line, the source and drain electrodes, the capacitor electrode and the data pad electrode have a second barrier metal layer and a second copper layer.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: January 26, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Sup Hwang, Gee-Sung Chae, Gyoo-Chul Jo
  • Patent number: 7643120
    Abstract: A pixel structure of an active device array substrate is provided. The pixel structure includes a scan line and a data line; an active device electrically coupled to the scan line and the data line; a pixel electrode electrically coupled to the active device, wherein the pixel electrode has at least one opening therein; and at least one island electrode disposed inside the opening, wherein the island electrode is electrically coupled to a voltage V, and the pixel electrode is electrically coupled to a driving voltage Vd that is different from the voltage V, such that a transverse electric field is formed between the island electrode and the pixel electrode.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: January 5, 2010
    Assignee: AU Optronics Corp.
    Inventors: Chi-Nan Liao, Liang-Bin Yu, Yuh-Huah Wang
  • Patent number: 7626668
    Abstract: A method for manufacturing a pixel electrode contact structure of a thin-film transistors liquid crystal display is disclosed. First, a transparent substrate having a first insulating layer thereon is provided. Afterward, a first metal layer and a second metal layer are sequentially formed on the substrate and then be patterned by a halftone technology and an etching process, wherein the second metal layer is removed within the pixel electrode contact area. In the meantime, the drain lines of the thin-film transistor comprising the first metal layer and the second metal layer are formed. Next, a patterned passivation layer is formed on the substrate. Finally, a pixel electrode layer directly connecting the first metal layers within the pixel electrode contact structure is formed on the substrate. This invention provides the pixel electrode contact structure with low contact resistance and prevents the current leakage from the drain line to the storage capacitor.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: December 1, 2009
    Assignee: Quanta Display Inc.
    Inventor: Wen-Yi Shyu
  • Patent number: 7626665
    Abstract: To provide a highly conductive Cu alloy which is advantageous in that an alloying element added to Cu is first reacted with oxygen contained in a gas atmosphere or solid in contact with the Cu member to form an oxide film which can prevent oxidation of Cu. The copper alloy comprises copper (Cu) containing an inevitable impurity, and an element added to the copper, wherein the added element is capable of being dissolved in the copper in an amount of 0.1 to 20 at. %, wherein the added element has an oxide formation free energy smaller than that of Cu and has a diffusion coefficient in Cu larger than the self-diffusion coefficient of Cu.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: December 1, 2009
    Assignees: Tohoku University, Advanced Interconnect Materials LLC
    Inventor: Junichi Koike
  • Patent number: 7564531
    Abstract: An active matrix substrate or TFT substrate is provided with a lower layer wiring with a groove wiring structure covering surroundings of a copper layer with a barrier metal film is formed by forming a groove at an insulating substrate and depositing the barrier metal film and the copper layer in this groove. This groove wiring structure is used for a TFT substrate of a liquid crystal display (LCD) device. It is possible to manufacture an LCD device with large size, high density, a large aperture ratio and in which the disclination defects originating from a different in level of the lower layer wiring and an occurrence of disconnection failures in an upper layer wiring are suppressed.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: July 21, 2009
    Assignee: NEC LCD Technologies, Ltd.
    Inventors: Kyounei Yasuda, Seiji Suzuki
  • Patent number: 7471366
    Abstract: A liquid crystal device includes a first substrate, a second substrate, a plurality of pixel electrodes, an alignment layer, a liquid crystal, and an opposite electrode. The plurality of pixel electrodes are disposed between the first substrate and the second substrate, and include a first pixel electrode and a second pixel electrode that face each other. The alignment layer is disposed between the plurality of pixel electrodes and the second substrate. The liquid crystal is disposed between the alignment layer and the second substrate, and the liquid crystal is aligned by the first alignment layer. The opposite electrode is disposed between the liquid crystal and the second substrate. A selective electric voltage is applied between the opposite electrode and at least one of the plurality of pixel electrodes to change an orientation state of the liquid crystal from a spray orientation to a bend orientation.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: December 30, 2008
    Assignee: Seiko Epson Corporation
    Inventor: Kinya Ozawa
  • Patent number: RE44817
    Abstract: A method of forming an oxide film on a surface of a copper alloy, including the steps of providing a copper alloy including copper and an element selected from the group consisting of Mn, Zn, Ga, Li, Ge, Sr, Ag, Ba, Pr and Nd, and diffusing atoms of the element to a surface of the copper alloy so as to form an oxide film on the surface of the copper alloy, wherein a concentration of the element in the copper alloy is more than 0.1 and not more than 20 atomic percentage and within a solubility limit of the element in the copper.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: March 25, 2014
    Assignee: Altiam Services Ltd. LLC
    Inventor: Junichi Koike
  • Patent number: RE47839
    Abstract: An LCD device includes a plurality of gate lines and data lines cross-arranged on a lower substrate to define a plurality of pixels, a pixel electrode disposed in each of the pixels, a plurality of common electrode blocks pattern-formed that generate an electric field with the pixel electrode and sensing a touch of a user, a plurality of sensing lines, a plurality of pad parts arranged to be separated from each other at predetermined intervals along a corresponding sensing line, and having a line width thicker than the sensing line, and a contact part disposed between a corresponding pad part and a corresponding common electrode block, and electrically connecting a corresponding sensing line and the common electrode block. When the sensing lines are electrically connected to one of the common electrode blocks, the sensing lines are electrically insulated from the other common electrode blocks.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: February 4, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sun Jung Lee, In Hyuk Song, Heesun Shin