Patents Examined by Dennis Y Kim
  • Patent number: 9766487
    Abstract: The present invention provides a curved liquid crystal display device, which includes a curved backplane (3), a light guide plate (31) arranged on the curved backplane (3), a mold frame (2) mounted to the curved backplane (3), and a liquid crystal panel (1) bonded to the mold frame (2). The curved backplane (3) is in the form of a shell, which has two opposite inside walls that are respectively provided with a plurality of raised sections (32). The mold frame (2) includes two coupling sections (21) respectively formed at two opposite sides of a top portion thereof and a plurality of recessed grooves (22) formed in two opposite sides of a bottom portion thereof and having openings facing outward. The liquid crystal panel (1) is bonded to the coupling sections (21). The plurality of raised sections (32) are respectively received and retained in the plurality of recessed grooves (22) so as to fix the mold frame (2) to the curved backplane (3).
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: September 19, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yawei Liu
  • Patent number: 9769937
    Abstract: The disclosure is related to a display module comprising a display panel and a cover. The display panel includes a black baffle frame defining a display region on the display panel. The cover is disposed on the display panel, and a side portion of the cover is on the black baffle frame. The display module further includes a visible region extension member disposed between the side portion of the cover and the black baffle frame. The disclosure further discloses a display device having the display module. In the disclosure, a bright region is formed on the black baffle frame at the periphery of the display region, and the bright region and the display region connect with each other as a whole to form an integrated screen such that viewers visually feel that the border of the display device is narrowed and the visible region of the screen is extended.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: September 19, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yanxue Zhang
  • Patent number: 9766517
    Abstract: To provide a display device or the like that enables stable curing of a resin. The display device includes a first circuit and a second circuit over the same substrate. The first circuit has a function of performing display; the second circuit has a function of driving the first circuit; the second circuit includes a transistor and a capacitor; the transistor includes an oxide semiconductor layer over a first insulating layer; the capacitor includes a first conductive layer, a second insulating layer, and a second conductive layer; the first conductive layer is positioned over the first insulating layer; one of a source and a drain of the transistor is electrically connected to the second conductive layer; and the first conductive layer and the oxide semiconductor layer include the same metal element.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: September 19, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Tetsuji Ishitani
  • Patent number: 9766507
    Abstract: A liquid crystal display device having a uniform gap between a TFT substrate and a CF substrate even in cases where a sealant is to be applied to a slim frame formed on the outside of the effective display area is provided. A liquid crystal display device includes an effective display area, a color resist coated area, and a seal area which overlaps the color resist coated area and in which a sealant for sealing liquid crystal is provided, wherein the color resist coated area overlapping the seal area has slits formed therein.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: September 19, 2017
    Assignee: Japan Display Inc.
    Inventor: Takahiro Nagami
  • Patent number: 9766511
    Abstract: A display device includes a substrate, a gate wiring on the substrate, the gate wiring including a gate line and a gate electrode, a data wiring which is disposed on the substrate and insulated from the gate wiring, the data wiring including a data line, a source electrode, and a drain electrode, a pixel electrode which is disposed on the substrate and insulated from the data wiring, the pixel electrode being connected to the drain electrode through a contact hole, and a backlight shielding electrode below the contact hole.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghyun Yoo, Hyungjun Park, Seongyoung Lee, Seonkyoon Mok, Kyungho Park, Kyunghoe Lee, Kyeuk Lee
  • Patent number: 9759948
    Abstract: A curved liquid crystal display is provided.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hoon Kim, Tae Min Kim
  • Patent number: 9753213
    Abstract: A planar light source device 200 includes a light source 10 and a reflection member 30. The light source 10 emits a light beam 10a having directivity. The reflection member 30 has a box shape including a single bottom-plate part 30e, side-plate parts 30a, 30b, 30c and 30d connected to the bottom-plate part 30e, and an opening part 30f facing the bottom-plate part 30e. The box shape has inner surfaces which are reflection surfaces. The bottom-plate part 30e has a quadrilateral shape including two facing short sides and two facing long sides. The light beam 10a enters an inside of the box shape of the reflection member 30 through a side of the side-plate part 30a connected to the short side of the bottom-plate part 30e, travels in a direction of the long side of the bottom-plate part 30e while being reflected at the side-plate parts 30c and 30d connected to the long sides of the bottom-plate part 30e, and is emitted through the opening part 30f.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: September 5, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Rena Nishitani, Nami Nakano, Tomohiro Sasagawa, Nobutaka Kobayashi
  • Patent number: 9753328
    Abstract: Provided are TFT-LCD panel, method for preparing the same, and TFT display device. The TFT-LCD panel includes an upper polarizer, a positive birefringence polymer substrate, a liquid crystal layer, a negative birefringence polymer substrate and a lower polarizer, wherein the positive birefringence polymer substrate and the negative birefringence polymer substrate locate at an upper side and an lower side of the liquid crystal layer respectively, the upper polarizer locates at an upper surface of the positive birefringence polymer substrate, the lower polarizer locates at a lower surface of the negative birefringence polymer substrate; the positive birefringence polymer substrate and the negative birefringence polymer substrate are equals in a birefringence retardation in an original birefringence state, and are equals in a birefringence retardation of in the photo-elasticity birefringence state.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 5, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafeng Yang, Teruaki Suzuki, Jaegeon You
  • Patent number: 9746155
    Abstract: A backlight assembly capable of reducing light loss is presented. The backlight assembly includes a plurality of substrate units and a plurality of reflective members on the substrate units arranged to form an adjacent area where two reflective members are closest to each other. The adjacent area is on one of the substrate units. A display device incorporating the backlight assembly is also presented.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Il Kim
  • Patent number: 9746736
    Abstract: Disclosed is a liquid crystal display, including: a first substrate, the first substrate including a voltage division reference voltage line and a pixel electrode, the pixel electrode including a first stem portion, a plurality of first fine branch portions obliquely extending from the first stem portion, a second stem portion, a plurality of second fine branch portions obliquely extending from the second stem portion, and a connection portion connecting the first fine branch portions and some of the second fine branch portions; in which the voltage division reference voltage line includes a bent portion bent at a portion overlapping the connection portion.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu Su Ahn, Hee Hwan Lee
  • Patent number: 9733500
    Abstract: An illumination unit includes a light modulation layer including a first region and a second region that have optical anisotropy and different responsiveness to an electric field. The light modulation layer satisfies an expression A/B<A1/B1 when the light modulation layer exhibits the scattering characteristics.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: August 15, 2017
    Assignee: Sony Corporation
    Inventors: Akira Ebisui, Harumi Sato, Kentaro Okuyama, Shogo Shinkai
  • Patent number: 9728556
    Abstract: A semiconductor device which includes an oxide semiconductor and in which formation of a parasitic channel due to a gate BT stress is suppressed is provided. Further, a semiconductor device including a transistor having excellent electrical characteristics is provided. The semiconductor device includes a transistor having a dual-gate structure in which an oxide semiconductor film is provided between a first gate electrode and a second gate electrode; gate insulating films are provided between the oxide semiconductor film and the first gate electrode and between the oxide semiconductor film and the second gate electrode; and in the channel width direction of the transistor, the first or second gate electrode faces a side surface of the oxide semiconductor film with the gate insulating film between the oxide semiconductor film and the first or second gate electrode.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: August 8, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hiroyuki Miyake, Kenichi Okazaki, Masahiko Hayakawa, Shinpei Matsuda
  • Patent number: 9720284
    Abstract: A liquid crystal display and a method for fabricating the same, an electronic apparatus are provided. The liquid crystal display includes: a first substrate and a second substrate disposed opposite to the first substrate; and multiple pixel units disposed between the first and the substrates, where each of the pixel units includes multiple sub-pixels with different colors; where each of the sub-pixels includes a liquid crystal layer disposed between the first and second substrates, a first alignment film disposed between the first substrate and the liquid crystal layer and a second alignment film disposed between the second substrate and the liquid crystal layer; where at least two sub-pixels in a pixel unit have different alignment directions relative to the first alignment film; and an alignment direction of a sub-pixel relative to the first alignment film is parallel to an alignment direction of this sub-pixel relative to the second alignment film.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: August 1, 2017
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jing Li, Ting Zhou, Poping Shen
  • Patent number: 9720286
    Abstract: A liquid crystal display device and a method for manufacturing the same are disclosed. In an embodiment of the present invention, a liquid crystal display device and a method of manufacturing the liquid crystal display device includes a first substrate that has a first electrode formed thereon, a second substrate that faces the first substrate, a liquid crystal layer that is formed between the first substrate and the second substrate, and a first alignment layer that is formed on the first substrate and is in contact with the liquid crystal layer. Here, the first alignment layer includes a first alignment base layer that is photoaligned, and a first alignment controlling layer that is extended from the inside of the first alignment base layer.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jae-Hoon Kim
  • Patent number: 9709841
    Abstract: Provided is a liquid crystal display device in which grayscale inversion when viewing a liquid crystal panel in an oblique direction is suppressed, thereby being excellent in viewing angle characteristics. The liquid crystal display device includes a liquid crystal panel that includes a pair of substrates, a liquid crystal layer disposed between the pair of substrates, and a pair of polarization plates respectively arranged in the liquid crystal layer on a light incident side and a light emission side, an illumination device that is arranged on the light incident side of the liquid crystal panel and emits light toward the liquid crystal panel, and a light diffusion member that is arranged on the light emission side of the liquid crystal panel and causes light emitted from the liquid crystal panel to be diffused in an azimuthal direction viewed from a normal direction of the liquid crystal panel.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: July 18, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shohei Katsuta, Tsuyoshi Kamada, Hideomi Yui, Tsuyoshi Maeda, Kazuyoshi Sakuragi
  • Patent number: 9690141
    Abstract: The present invention provides a method for manufacturing a liquid crystal display device, which hardly causes display unevenness in joining parts in which mutually neighboring exposure regions are overlapped upon carrying out a photo-alignment treatment for forming a horizontal alignment film.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: June 27, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koichi Miyachi, Isamu Miyake
  • Patent number: 9678264
    Abstract: A light guide plate has a light guide plate member having a light incident surface on an end face of the light guide member, and a light emitting surface on a front surface of the light guide plate member, wherein the light incident surface is structured to have light incident thereon, and wherein the light emitting surface is structured to widen and emit light incident thereon out of the light guide plate member, and a directivity changing unit arranged on a light incident end portion of the light guide plate member on the front surface or a back surface of the light guide plate member. The directivity changing unit has a first inner inclined surface and a second inner inclined surface that change a directivity of the incident light within the directivity changing unit to widen the light laterally with respect to a direction perpendicular to the light incident surface.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: June 13, 2017
    Assignee: OMRON Corporation
    Inventors: Masayuki Shinohara, Norikazu Kitamura, Kazuhide Hirota
  • Patent number: 9671663
    Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: June 6, 2017
    Assignee: Japan Display Inc.
    Inventor: Toshimasa Yonekura
  • Patent number: 9645456
    Abstract: Provided are a liquid crystal display (LCD) comprising: a first substrate; a second substrate which faces the first substrate; a liquid crystal layer which is disposed between the first substrate and the second substrate; a wire grid polarizer (WGP) which is disposed on the first substrate; a WGP insulating layer which is disposed on the WGP and covers the WGP; and a pad electrode which is disposed on the first substrate, wherein the first substrate comprises a non-overlap area protruding from the second substrate, a sidewall of the WGP insulating layer is located in the non-overlap area, and the pad electrode extends from the non-overlap area of the first substrate along the sidewall of the WGP insulating layer.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: May 9, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Young Lee, Dae Hwan Jang, Eun Jung Kim, Jung Gun Nam, Moon Jung An, Joo Hyung Lee, Gug Rae Jo, Hyung Bin Cho
  • Patent number: 9645449
    Abstract: A curved display device includes a thin film transistor display unit including a first insulation substrate; a common electrode display unit disposed opposite to the thin film transistor display unit and including a second insulation substrate; a liquid crystal layer disposed between the thin film transistor display unit and the common electrode display unit; and a plurality of color filters disposed on the first insulation substrate or the second insulation substrate, where each color filter includes an overlapping compensation region, which overlaps an adjacent color filter, and a non-overlapping region, which does not overlap the adjacent color filter, the overlapping compensation region defines a stepped region having a step height with the non-overlapping region.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Kil Park, Seung Ho Yang, Chang Il Tae