With Driving Circuit Having Input And Output Electrodes On Liquid Crystal Substrate Patents (Class 349/151)
  • Patent number: 10802546
    Abstract: In implementations of device component exposure protection, a computing device includes device components enclosed within a housing. The device components are assembled within the housing and enclosed within the housing upon completion of assembly of the computing device. The computing device further includes a protective material contained within the housing, which fills void spaces around the device components. The protective material prevents exposure of the device components to external matter that the computing device is exposed to upon completion of the assembly.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 13, 2020
    Assignee: Motorola Mobility LLC
    Inventors: Richard W. Brotzman, Jr., Deborah M. Paskiewicz
  • Patent number: 10789869
    Abstract: Disclosed herein is a chip-on-film including: a base film; a driver mounted on one of upper and lower surfaces of the base film; and at least one pad group, which includes signal wiring lines disposed on the upper and lower surfaces of the base film and transmitting signals via two paths, a first pad and a second pad disposed on one of the upper and lower surfaces of the base film, and a plurality of through-holes disposed between the first pad and the second pad and electrically connecting the signal wiring lines to each other, wherein the first pad and the second pad are separated a predetermined distance from each other in a width direction of the base film, and each of the first pad and the second pad is obliquely arranged in plural in a longitudinal direction of the base film.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: September 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jaesung Jeon, Daekyung Kim, Eunbyul Kim
  • Patent number: 10777626
    Abstract: A display device includes a substrate including a first surface, and a second surface opposite the first surface, and defining a through portion passing therethrough, a pixel array including a plurality of pixels surrounding the through portion at the first surface, a plurality of scan lines extending along a first direction for providing scan signals to the pixels, and a plurality of data lines extending along a second direction crossing the first direction for providing data signals to the pixels, the plurality of data lines including first and second data lines adjacent the through portion at different layers, and having at least a portion thereof curved along a perimeter of the through portion.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jonghyun Choi, Kinyeng Kang, Sunkwang Kim, Joosun Yoon
  • Patent number: 10770006
    Abstract: A display device includes a plurality of pixels, a driving integrated circuit (IC) configured to generate a data voltage for driving the pixels, a display substrate including a display region in which the pixels are disposed and a driving IC region in which the driving IC is disposed, and a first power wire overlapping the driving IC region, wherein the first power wire is insulated from the driving IC, and the first power wire transmits a first power-supply voltage for driving the pixels.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Lee, Dong Wook Kim
  • Patent number: 10726753
    Abstract: An array substrate and an array substrate testing structure are provided. The array substrate includes a display region and a non-display region, a plurality of receiving test signal pins, a plurality of bonding pins and a plurality of transmission lines are positioned on the non-display region, the receiving test signal pins and the transmission lines are arranged in row. This invention decreases width of non-display region of electrical device such that easily to design the narrow frame.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: July 28, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yao-li Huang, Xinglong He
  • Patent number: 10700154
    Abstract: The first type of pixel lines include first type of end pixels disposed at the end on the opposite side of the first direction and at the end on the opposite side of the second direction of a pixel line in the second direction. The second type of pixel lines include second type of end pixels disposed at the end on the opposite side of the first direction and at the end on the opposite side of the second direction of a pixel line in the second direction. Channel widths of driving transistors for light-emitting elements of the first type of end pixels are narrower than channel widths of driving transistors for light-emitting elements of internal pixels surrounded by other pixels in four directions of the first direction, the opposite direction of the first direction, the second direction, and the opposite direction of the second direction.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 30, 2020
    Assignee: TIANMA JAPAN, LTD.
    Inventor: Yojiro Matsueda
  • Patent number: 10690948
    Abstract: The present application discloses a switchable device, comprising a switching layer and a first conductive layer and a second conductive layer, where the switching layer is positioned between the first and the second conductive layer, and where at least one of the first and the second conductive layers comprises a plurality of isolating sections and a plurality of conductive sections, where the isolating sections and the conductive sections alternate over the area of the conductive layer, and where the switching state of the switchable device is controlled by touch motions.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: June 23, 2020
    Assignee: Merck Patent GmbH
    Inventors: Ties De Jong, Casper Laurens Van Oosten, Felix Fritz Rudolf Schlosser
  • Patent number: 10674605
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display region configured to display an image, and a pad region positioned around the display region; and a first pad unit positioned on the pad region, wherein the first pad unit includes a first terminal region including a plurality of first pad terminals arranged in a first pattern, and a second terminal region including a plurality of second pad terminals arranged in a second pattern different from the first pattern.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Yong Kim, Jong Hyuk Lee, Jeong Ho Hwang
  • Patent number: 10651260
    Abstract: Provided is an electronic device including a display panel including a base substrate, pixels, a first insulation layer, and panel pads spaced along a first direction from pixels and each arranged along a second direction crossing the first direction, a circuit board disposed on the display panel and connected to panel pads, and an adhesive interconnect layer disposed between the display panel and the circuit board and electrically connecting the display panel and the circuit board. The circuit board includes a flexible substrate including a top surface facing the base substrate, output pads disposed on the flexible substrate and connected to panel pads, each obliquely extending in the first and second directions and arranged along the second direction, an alignment pad spaced along the second direction from output pads, and a stress relaxation pad disposed between output pads and alignment pads and electrically connected from panel pads.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: May 12, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chung-seok Lee, Joonsam Kim, Chulho Jung
  • Patent number: 10600819
    Abstract: A display device includes a substrate including a display area to display an image and a pad area disposed around the display area; and a first pad unit positioned on the pad area, and including a first terminal region having a plurality of first pad terminals arranged in a first direction, in which each of the plurality of first pad terminals includes: a plurality of first connection pad terminals arranged in a first row disposed at a first angle relative to the first direction; a plurality of second connection pad terminals spaced apart from the plurality of first connection pad terminals, and arranged in a second row disposed at a second angle relative to the first direction; and a first terminal connection line configured to connect one of the plurality of first connection pad terminals and one of the plurality of second connection pad terminals, and having at least one bent shape.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Yong Kim, Jong Hyuk Lee, Jeong Ho Hwang
  • Patent number: 10591759
    Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Bin Yi, Dong Rak Ko, Sung Ho Kim, Eun Ji Seo, Sung Hun Son, Hee Kyun Shin, Seok Lyul Yoon, Jeong Seok Lee, Sung Wook Jung, Hwan Kyeong Jeong
  • Patent number: 10488720
    Abstract: A display apparatus includes a display panel, a driving integrated circuit (IC), and an anisotropic conductive film. The display panel includes a non-display area adjacent to a display area and an upper substrate and a lower substrate. The driving IC overlaps the non-display area. The anisotropic conductive film attaches the driving IC to the lower substrate and includes conductive balls with diameters that gradually increase toward the display area.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: November 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sukho Choi, Euttum Kim, Joonsam Kim
  • Patent number: 10426033
    Abstract: A printed board has an elongated shape and is to be electrically coupled to a display panel via a flexible board. The printed board includes a first board section; and a second board section shorter in length than the first board section in a substantially perpendicular direction to a longitudinal direction of the printed board. The first board section and the second board section are disposed in a row in the longitudinal direction, each of the first board section and the second board section has a first end in the substantially perpendicular direction to the longitudinal direction, the first end of the first board section projects further than the first end of the second board section in the substantially perpendicular direction, and a connection portion to be connected to the flexible board is disposed at the first end of each of the first board section and the second board section.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 24, 2019
    Assignee: JOLED INC.
    Inventor: Hirofumi Miyashita
  • Patent number: 10283064
    Abstract: A connection structure of display panel and system circuit is provided. The disclosure also provides a liquid display panel and a liquid display device. The connection structure includes an array substrate, a printed circuit board, and a plurality of electrically conductive particles. The array substrate provides a plurality of signal lines in a display portion thereof and provides a plurality of traces in a fan-out portion thereof. The signal lines at least includes a first signal line and a second signal line at different height layers. The traces at least includes a first trace and a second trace at different height layers. One end of each trace is electrically connected with one signal line, and the other end of each trace is electrically connected with one conductive line via electrically conductive particles.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: May 7, 2019
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10212832
    Abstract: Provided is an electro-optical panel including a first area in which a circuit is formed and a first terminal area and a second terminal area that are arranged side-by-side in a Y direction when viewed from the first area. The first terminal area and the second terminal area are each provided with a terminal group including a plurality of terminals arranged in an X direction different from the Y direction, and at least one of wires from the first terminal area to the first area and from the second terminal area to the first area extends from between the first terminal area and the second terminal area and reaches the first area through an area outside of the first terminal area when viewed from a central axis of the electro-optical panel extending in the Y direction.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: February 19, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinsuke Fujikawa
  • Patent number: 10209826
    Abstract: A touch screen includes a first shield wiring surrounding a plurality of sensor wirings and a plurality of lead wirings, and capacitors. The distance between the first shield wiring and the outermost lead wiring which is the outermost wiring, out of the plurality of lead wirings, is larger than the intervals between the plurality of lead wirings. The capacitors are constituted by first and second electrodes including extending portions which extend in the extending direction.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: February 19, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura, Seiichiro Mori
  • Patent number: 10178769
    Abstract: A bonded assembly including: a first electronic component including a first substrate and a plurality of first electrodes disposed in a pressed area at a first height from a surface of the first substrate; a second electronic component including a second substrate and a plurality of second electrodes disposed at a second height from a surface of the second substrate, a second electrode overlapping with a corresponding first electrode to face the first electrode; a conductive bonding layer disposed between the first electrode and the second electrode overlapped with each other to bond the first electrode and the second electrode; and at least one spacer disposed between the first substrate and the second substrate to overlap the pressed area, the at least one spacer having a thickness that is greater than a value obtained by summing the first height and the second height.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: January 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Sic Min, Eun Cheol Son
  • Patent number: 10001682
    Abstract: An electrooptic device includes a liquid crystal panel as an electrooptic panel, a first terminal group provided on the liquid crystal panel, the first terminal group including a plurality of terminals arranged in an X direction, and a second terminal group provided on the liquid crystal panel at a position separated from the first terminal group in a Y direction different from the X direction, the second terminal group including a plurality of terminals arranged in the X direction at a terminal arrangement pitch different from that of the first terminal group.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: June 19, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinsuke Fujikawa
  • Patent number: 9891476
    Abstract: A substrate for a liquid crystal display device includes: a substrate including a display region displaying an image and a non-display region surrounding the display region; a dummy pattern in the non-display area over the substrate, the dummy pattern having a length that corresponds to a side of the display area; and an orientation film on the dummy pattern, the orientation film covering the non-display area and the whole display area.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: February 13, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Won Lee, So-Young Noh, Sung-Ki Kim, Jin-Pil Kim, Kyung-Mo Son
  • Patent number: 9868880
    Abstract: An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a ?G? of about 50% to about 80%, ?G? being represented by Equation 1: ?G?=(G1?G2)/G1×100??[Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25° C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85° C.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Woo Jin Jeong, In Cheon Han, Dong Heon Yun
  • Patent number: 9823527
    Abstract: A liquid crystal panel includes a TFT array substrate and a color filter substrate that includes a transparent conductive film (CF transparent conductive film) formed on a surface thereof. The TFT array substrate includes ground wiring that is connected to the CF transparent conductive film and supplies the CF transparent conductive film with a ground potential and CF ground checking wiring that is connected to the transparent conductive film independently of the ground wiring. The CF ground checking wiring extends along an outermost periphery portion on at least one side of the TFT array substrate.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: November 21, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventor: Tomohiro Tashiro
  • Patent number: 9817276
    Abstract: A liquid crystal display device wherein a first substrate and a second substrate are bonded together by a sealing material, a pixel electrode, a common electrode, a shift register, a clock line, and a power supply line are formed on the first substrate, a plurality of conductive particles are mixed into the sealing material, the plurality of conductive particles are maintained at a same potential as the common electrode, and the plurality of conductive particles are disposed at a position overlapping at least a part of the power supply line, when viewed from a normal direction of the first substrate.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: November 14, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mayuko Sakamoto, Kazuhiko Tsuda
  • Patent number: 9806104
    Abstract: According to one embodiment, a display device includes a first substrate including a first insulative substrate, an outer peripheral wiring formed above the first insulative substrate, an insulation film disposed on the outer peripheral wiring, a pixel electrode formed on the insulation film in an active area for displaying an image, and a first bank formed in a line shape on the insulation film in a peripheral area surrounding the active area, a second substrate including at least a second insulative substrate, and a sealant which is provided in a manner to envelop the first bank, and which attaches the first substrate and the second substrate.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: October 31, 2017
    Assignee: Japan Display Inc.
    Inventor: Muneharu Akiyoshi
  • Patent number: 9791753
    Abstract: The invention provides a circuit substrate structure and a method for manufacturing thereof. The circuit substrate structure includes a substrate, a pixel array layer, a display unit, a peripheral circuit layer, at least one integrated circuit chip, a flexible printed circuit board, at least one flattening material layer and a passivation layer. In the circuit substrate structure, the flattening material layer is positioned on the peripheral circuit layer, and possesses at least one opening corresponded to and around the integrated circuit chip. By positioning the flattening material layer, the circuit substrate structure possesses a flat surface, and prevents producing air bubbles, so as to enhance the reliability of the display device.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 17, 2017
    Assignee: E Ink Holdings Inc.
    Inventors: Ming-Sheng Chiang, Chi-Ming Wu, Chen-Yuan Sung, Chen-Lung Lo, Ta-Nien Luan
  • Patent number: 9703150
    Abstract: The present invention provides a liquid crystal display device which can be miniaturized while preventing display defects such as flicker. The present invention relates to a liquid crystal display device including a wiring connected to an electrode to supply a common signal. The electrode includes a first electrode portion formed in a transparent conductive layer. The wiring is formed outside a display region and includes at least one of the first wiring portion and a second wiring portion and a third wiring portion facing the at least one of the first wiring portion and the second wiring portion. The first wiring portion, the second wiring portion, and the third wiring portion are respectively formed in a first conductive layer, a second conductive layer, and a third conductive layer.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 11, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Masahiro Yoshida
  • Patent number: 9658650
    Abstract: A flexible display is disclosed. In one aspect, the flexible display includes a flexible substrate including a display area, a pad area, and a plurality of chamfer areas formed at opposing ends of the pad area. The flexible display also includes an insulating layer formed over the flexible substrate and a display unit formed over the flexible substrate in the display area. Each of the chamfer areas is adjacent to the display area in a first direction. The insulating layer formed in each of the chamfer areas includes a closed-engraved pattern having a stripe shape extending in a second direction that at least partially crosses the first direction.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Se Il Cho
  • Patent number: 9557617
    Abstract: Provided is a display device making it possible to reduce or prevent occurrence of an inter-bump short circuit and a short circuit between a terminal and a bump even when the number of conductive particles in an ACF is large. The display device includes a display panel and a driver IC connected to the display panel via the ACF. The driver IC includes an input side bump and an output side bump and has a flow acceleration member on the upstream side of the output side bump relative to a flow direction of the ACF conductive particles when heating and pressurizing the ACF.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: January 31, 2017
    Assignee: Japan Display Inc.
    Inventor: Tomokazu Saitou
  • Patent number: 9530807
    Abstract: A thin film transistor (TFT) array substrate, a manufacturing method thereof and a display device are provided. The manufacturing method comprises: forming a first passivation layer (8) on a substrate (1), and forming a board wiring PAD-region via hole (11) in the first passivation layer (8) above the board wiring PAD region (11) through a first patterning process; forming a second passivation layer (16) on the substrate (1) formed with the board wiring PAD-region via hole (11), and forming a pixel-region via hole (15) in the first passivation layer (8) and the second passivation layer (16) above the display electrode (7) through a second patterning process in such a way that the pixel-region via hole (15) has a top-size smaller than its bottom-size; and applying a transparent conductive layer on the substrate (1) formed with the pixel-region via hole (15) to form a second display electrode.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: December 27, 2016
    Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Tiansheng Li, Wenyu Zhang, Zhenyu Xie
  • Patent number: 9442336
    Abstract: This invention envisages having flexible wiring substrate terminals serving to connect with the wires for preventing dielectric breakdown caused by static electricity during the manufacturing process, and reducing the number of the flexible wiring substrate terminals. On a mother TFT substrate, signal lines extend over each liquid crystal cell in a manner flanking a scribe line between the adjacent liquid crystal cells. The signal lines of each liquid crystal cell are connected with connecting lines striding the scribe line. This reduces the number of static electricity countermeasure wires extending from the flexible wiring substrate terminals of each liquid crystal cell. Once completed, the individual liquid crystal cells are separated from one another, with no adverse effects caused by the connecting lines.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: September 13, 2016
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Syou Yanagisawa, Kentaro Agata, Hiroyuki Abe, Takayuki Suzuki
  • Patent number: 9406575
    Abstract: A pixel array substrate including a substrate and pixel units arranged in an array on the substrate is provided. Each pixel unit includes a TFT having a source, a gate, and a drain, a pixel electrode electrically connected to the drain, a common electrode, an insulation layer, and a test electrode. The pixel electrode is located between the common electrode and the substrate. The common electrode has slits that expose the pixel electrode. The insulation layer is located between the common electrode and the pixel electrode and has a contact hole exposing the pixel electrode. The test electrode and the common electrode belong to the same film layer, and the test electrode is separated from the common electrode. The contact hole is filled with the test electrode, and the test electrode is electrically connected to the drain. A display panel including the pixel array substrate is also provided.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: August 2, 2016
    Assignee: Chunghwa Picture Tubes, LTD.
    Inventors: Tzu-Chiang Liao, Chih-Wen Lai
  • Patent number: 9377644
    Abstract: A TFT 1 is formed on a glass substrate 11, and a flattening resin film 17 covering the TFT 1 is formed. Furthermore, a moisture-proof protective film 18 covering the entire surface of the flattening resin film 17 is formed. For the protective film 18, a SiO2 film, a SiN film, a SiON film, or a stacked film thereof is used. The edge surfaces of the flattening resin film 17 are disposed on the inner side of or under a seal 4, and are formed in a tapered shape. By this, the entry of moisture into the flattening resin film 17 is prevented, preventing display degradation. This effect becomes noticeable in a display device including an oxide semiconductor TFT.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: June 28, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masao Moriguchi, Yohsuke Kanzaki, Yudai Takanishi, Takatsugu Kusumi
  • Patent number: 9366915
    Abstract: A liquid crystal display panel (100A) includes: a first substrate (2) and a second substrate (3), a liquid crystal layer (1) retained between the first substrate (2) and the second substrate (3), and plurality of pixels. The liquid crystal layer (1) has a first liquid crystal region (81) and a second liquid crystal region (82) provided outside the first liquid crystal region (81). The first liquid crystal region (81) is essentially composed of a nematic liquid crystal material alone, whereas the second liquid crystal region (82) has a plurality of liquid crystal subregions (11) containing a nematic liquid crystal material and polymer-containing walls (12) formed between adjacent ones of the plurality of liquid crystal subregions (11). The plurality of pixels include pixels accounting for the first liquid crystal region (81) and pixels accounting for the second liquid crystal region (82).
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: June 14, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisashi Watanabe, Akira Sakai, Yuichi Iyama, Akiko Miyazaki, Eiji Satoh, Yasushi Asaoka
  • Patent number: 9354457
    Abstract: An object of the present invention is to protect exposed inspection pads with a conductive tape when the application of resin is ceased and to enhance the reliability of the inspection pads. A liquid crystal display device is provided with a transparent electrode formed on a superficial side of a CF board, a grounded electrode, an inspection pad and a switching device between the inspection pad and a signal line or a scanning line respectively formed in a terminal area a TFT board and a conductive tape that electrically connects the transparent electrode of the CF board, the grounded electrode and the inspection pad respectively of the TFT board.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 31, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomonori Nishino, Syou Yanagisawa, Kentaro Agata, Nobuyuki Ishige
  • Patent number: 9323080
    Abstract: The present invention provides a display panel, which includes active area and vacant area surrounding the active area, and dummy pattern area without display functionality being disposed along boundary between active area and vacant area. The present invention also provides a manufacturing method of display panel and a panel display device. The present invention disposes dummy pattern area along boundary active area to withstand loading effect and to ensure active area is not affected by loading effect and display patterns are normal and uniform.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: April 26, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Hua Zheng, Shyh-Feng Chen, Pei Lin, Mingwen Lin, Liangdong Wu, Pan Gao, Shangpan Chen, Long Pan
  • Patent number: 9196185
    Abstract: A testing apparatus for a display device according to an embodiment of the present invention includes: a substrate; a driving chip mounted on the substrate; and a pad disposed on the substrate and electrically connected to the driving chip, wherein the pad includes a bottom layer electrically connected to the driving chip, and a sheet layer disposed on the bottom layer and electrically connected to the bottom layer, and wherein a lateral surface of the bottom layer is not covered by the sheet layer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 24, 2015
    Assignees: SAMSUNG DISPLAY CO., LTD., KODI-S CO., LTD.
    Inventors: Kyu Tae Kim, Joong Young Ryu, Chang Hyun Ryu
  • Patent number: 9178279
    Abstract: A wireless IC tag includes a wireless IC chip and two coil-shaped antennas. One end of each of the coil-shaped antennas is electrically connected to the wireless IC chip, and the other ends of the coil-shaped antennas are electrically connected to each other. The winding axes of the coil-shaped antennas are arranged at different positions, and the coil-shaped antennas have the same winding direction. A reader-writer includes an antenna connected to an information processing circuit. The antenna is electromagnetically coupled to the coil-shaped antennas for communication.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: November 3, 2015
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Nobuo Ikemoto
  • Patent number: 9153511
    Abstract: A chip on film for a flexible display device is disclosed. In one aspect, the chip on film includes a base film, a semiconductor chip provided to the base film, and a wire part provided to the base film and electrically connected to the semiconductor chip. The wire part includes a first region and a second region connected to the first region, and a first interval between the wires disposed at an outermost of the first region is different from a second interval between the wires disposed at an outermost area of the second region.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dae-Hyuk Im
  • Patent number: 9036124
    Abstract: Disclosed is a display device. The display device includes an upper substrate; a lower substrate having gate and data lines, with exposing a part of the lower surface of the upper substrate; a sealant for adhering the upper substrate to the lower substrate; a panel driver connected to the part of a lower surface of the upper substrate; a pad formed on the lower substrate, for applying a signal to the gate and data lines; and a connection part formed on the upper substrate, for connecting the pad and the panel driver. Accordingly, the thickness of the display device decreases, and a step height is not formed at a front surface of the display device, whereby the present invention can obtain an aesthetic design effect in that the front surface of the display device is shown as one structure.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: May 19, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JaeHyung Jo, JongSin Park
  • 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: 9025108
    Abstract: A display apparatus includes a first substrate having a display area and a non-display area surrounding the display area, an organic film on the first substrate, a first trench in the organic film in the non-display area, the first trench surrounding the display area and including a first sidewall on an inner side of the display apparatus, which includes a sidewall of the organic film, and a second sidewall on an outer side of the display apparatus, which includes a sidewall of the organic film, and a first blocking film containing an inorganic material and covering a surface of the organic film in the non-display area and the sidewall of the organic film included in the first sidewall of the first trench.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Ho Cho, Do Hoon Kim
  • Patent number: 9025117
    Abstract: The present invention provides a liquid crystal display panel, which comprises: a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer, and a third conductive layer; the first insulating layer being disposed on the first conductive layer and comprising at least two first via-holes corresponding respectively to at least two first subsidiary conductive regions so that at least two first subsidiary conductive regions being partially exposed through first via-holes; the second conductive layer being disposed on the first insulating layer; the second insulating layer being disposed on the second conductive layer; the second insulating layer being disposed on the second conductive layer and comprising at least two second via-holes corresponding respectively to at least two second subsidiary; a third conductive layer being connected with first subsidiary conductive regions and a second conductive layer.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: May 5, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Ming-Hung Shih, Zhenghua Li, Je-Hao Hsu
  • Patent number: 9013385
    Abstract: The present disclosure discloses a driving circuit of a liquid crystal display (LCD) panel, an LCD panel, and an LCD device. The driving circuit of the LCD panel includes a compensation unit coupled with a scan line of the LCD panel and outputting N different driving voltages to different gate driver chips on a side of the panel. N is equal to a number of the gate driver chips arranged on the side of the LCD panel, as distance from the driving source of the driving voltages to the gate driver chip increases, absolute value of the driving voltage outputted by the compensation unit increases.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: April 21, 2015
    Inventors: Poshen Lin, Liangchan Liao, Nianmao Wang
  • Patent number: 9007556
    Abstract: The present invention provides a substrate for array process of panel display device, which includes a cell switch and a PVSA mode pad set. Cell switch includes a plurality of switches, with each connected to a pad in shorting bar pad set. PSVA mode pad set includes a scan pad and a data pad. Scan pad is connected through some switches of cell switch to scan lines, and data pad is connected through some switches of cell switch to data lines. In this manner, the present invention reduces the number of pads in PSVA mode pad set to simplify peripheral routes.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: April 14, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Cheng-hung Chen
  • Patent number: 9001301
    Abstract: A liquid crystal display that includes: a first substrate and a second substrate each including a display area and a non-display area, the display and non-display areas positioned opposite to each other; a plurality of data driver ICs formed in the non-display area of the first substrate; a plurality of data voltage supply lines connected to the data driver ICs and extending to the display area of the first substrate; a sealant positioned between the first substrate and the second substrate to surround the display areas; and a step compensating member formed outside the sealant on the non-display area of one of the first substrate and the second substrate, in which at least some of the data voltage supply lines extend under the sealant, and the step compensating member is positioned generally inline with the at least some of the data voltage supply lines.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hyun Park, Jong Oh Kim, Da Hye Cho, Jin Suk Seo, Jong Bum Choi
  • Patent number: 8994086
    Abstract: The invention provides a semiconductor device which is non-volatile, easily manufactured, and can be additionally written. A semiconductor device of the invention includes a plurality of transistors, a conductive layer which functions as a source wiring or a drain wiring of the transistors, and a memory element which overlaps one of the plurality of transistors, and a conductive layer which functions as an antenna. The memory element includes a first conductive layer, an organic compound layer and a phase change layer, and a second conductive layer stacked in this order. The conductive layer which functions as an antenna and a conductive layer which functions as a source wiring or a drain wiring of the plurality of transistors are provided on the same layer.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: March 31, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hiroko Abe, Yukie Nemoto, Ryoji Nomura, Mikio Yukawa
  • Patent number: 8994906
    Abstract: A display may have a thin-film-transistor layer with a substrate layer. A layer of dielectric may be formed on the substrate layer and may have an upper surface and a lower surface. The thin-film-transistor layer may include an array of display pixels. Data lines and gate lines may provide signals to the display pixels. Gate driver circuitry in an inactive peripheral portion of the display may include a gate driver circuit for each gate line. The gate driver circuits may include thin-film transistors that are formed on the upper surface of the layer of dielectric. Signal lines such as a gate low line, a gate routing line coupled between the gate driver circuits, and a common electrode line may be formed from two or more layers of metal to reduce their widths or may be embedded within the dielectric layer between the upper and lower surfaces under the thin-film transistors.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: March 31, 2015
    Assignee: Apple Inc.
    Inventors: Shih-Chang Chang, Cheng-Ho Yu, Abbas Jamshidi Roudbari, Ting-Kuo Chang
  • Patent number: 8994907
    Abstract: In a display unit, measures against dropping of screws can be realized at low cost. The display unit includes: a wiring substrate in which wiring that is led out from a display panel is provided; a screw that fixes the wiring substrate to the display unit; and a substrate cover that covers the wiring substrate. The substrate cover has a screw covering region that covers a head of the screw, and part of the periphery of the screw covering region is separated from the other area of the substrate cover.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: March 31, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Kazuya Shimojoh
  • Patent number: 8988623
    Abstract: When a pixel portion and a driver circuit are formed over one substrate and a counter electrode is formed over an entire surface of a counter substrate, the driver circuit may be adversely affected by an optimized voltage of the counter electrode. A semiconductor device according to the present invention has a structure in which: a liquid crystal layer is provided between a pair of substrates; one of the substrates is provided with a pixel electrode and a driver circuit; the other of the substrates is a counter substrate which is provided with two counter electrode layers in different potentials; and one of the counter electrode layers overlaps with the pixel electrode with the liquid crystal layer therebetween and the other of the counter electrode layers overlaps with the driver circuit with the liquid crystal layer therebetween. An oxide semiconductor layer is used for the driver circuit.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: March 24, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Jun Koyama, Shunpei Yamazaki
  • Patent number: 8988645
    Abstract: A display device includes a panel including pixels defined by data lines and gate lines, a housing chassis covering a sidewall and an edge of the panel, a printed circuit board under the panel, the printed circuit board including circuit elements configured to generate at least one of a data signal, a gate signal, and a control signal, a chip on film connecting the printed circuit board to the panel, the chip on film between the housing chassis and the sidewall of the panel, a driver integrated circuit mounted on the chip on film and configured to respond to the control signal and drive at least one of the data signal and the gate signal applied to the data lines and the gate lines, and a connection unit attaching the chip on film to the housing chassis and dissipating heat generated by the driver integrated circuit to the housing chassis.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: March 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jichul Kim, Young-Deuk Kim, Eunseok Cho, Mi-Na Choi
  • Patent number: RE45495
    Abstract: A liquid crystal display includes gate lines, data lines intersecting with the gate lines to define sub-pixels, and a transmission part including transmission lines connected with the data lines to transmit data signals, where at least one pair of the transmission lines are arranged to cross each other, some of the transmission lines cross each other so that a sequence of data signals applied to the data lines can be changed, any of the transmission lines is opened at a crossing point of the transmission lines and the opened portion is connected by a separate conductor, thereby insulating the transmission lines crossing each other from each other, and an additional process for connecting the opened portion is not needed, thereby simplifying a fabrication process for the liquid crystal display.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong-Gyu Kim