Patents Examined by Charles Chang
  • Patent number: 8842251
    Abstract: Provided is a liquid crystal display (LCD) in which warping of a liquid crystal panel-driving printed circuit board (PCB) is reduced. The LCD includes: a liquid crystal panel; a lower housing which accommodates the liquid crystal panel; a lamp-driving PCB fixed to the lower housing; a reinforcing member which has one end fixed to at least one surface of the lamp-driving PCB and another end separated from the lamp-driving PCB; and a liquid crystal panel-driving PCB which includes a circuit-mounting board disposed outside the lower housing, wherein at least part of the circuit-mounting board is inserted between the lamp-driving PCB and the reinforcing member, so as to be at least partially supported by the lamp-driving PCB and the reinforcing member.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn-Ho Jung, Il-Koo Nah, Nam-Soo Kang
  • Patent number: 8836891
    Abstract: Provided is a liquid crystal display device including: a main display region (27) and a sub display region (28a, 28b) for emitting lights of respective different brightness levels; and a liquid crystal display panel (22) having a display surface (24) provided which a light guide body (70). The light guide body (70) is a transparent optical member, and has a part covering at least a boundary line (26) between the main display region (27) and the sub display region (28a, 28b), when seen in a plan view. Further, the part of the light guide body (70) covering the boundary line (26) is formed to have a cross section having a curvature.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: September 16, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yoshitaka Ikeda
  • Patent number: 8830427
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing the first substrate. A first alignment layer formed on the first substrate includes a first area aligned in a first direction and a second area aligned in a second direction opposite to the first direction, and a second alignment layer formed on the second substrate includes a third area aligned in a third direction different from the first direction and a fourth area aligned in a fourth direction opposite to the third direction. Liquid crystal molecules in a liquid crystal layer disposed between the first and second alignment layers are aligned in different directions from each other in plural domains defined by the first to fourth areas. Thus, the liquid crystal display may have improved aperture ratio and transmittance.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: September 9, 2014
    Assignees: Samsung Display Co., Ltd., Industrial Cooperation Foundation Chongbuk National University
    Inventors: Youn Hak Jeong, Keunchan Oh, Seunghee Lee, Inyoung Cho, Sung min Kim
  • Patent number: 8830436
    Abstract: A pixel structure includes: a first planarizing film and a second planarizing film laminated in order on a substrate on which a circuit section is formed; and metallic wiring for electrically connecting two electrodes disposed on the second planarizing film to each other so as to be separated from each other, the metallic wiring being formed between the first planarizing film and the second planarizing film.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: September 9, 2014
    Assignee: Japan Display West Inc.
    Inventors: Masaya Tamaki, Koichi Nagasawa, Shuji Hayashi, Masaaki Kabe, Yoko Fukunaga
  • Patent number: 8823917
    Abstract: An electric field driven liquid crystal lens cell including a first substrate and a second substrate arranged opposite each other, a first plurality of split electrodes formed on the first substrate, each of the first plurality of split electrodes corresponding to one of a plurality of lens regions, a second electrode formed over an entire first surface of the second substrate, a voltage source to apply differing voltages to the first and second plurality of split electrodes, a spacer formed between the first substrate and the second substrate, the location of the spacer corresponding to the vertex of the lens when voltages are applied to at least one of the first plurality of split electrodes and the second electrode, and a liquid crystal layer disposed between the first substrate and the second substrate.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: September 2, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Joo Lee, Sung-Woo Kim
  • Patent number: 8823915
    Abstract: Disclosed herein is a liquid crystal display panel in which circumferences of a pair of substrates disposed so as to face each other are stuck at a given distance to each other by a seal material, a liquid crystal inlet is formed in a part of the seal material, and a liquid crystal is sealed in an inner space defined between the substrates paired with each other, the liquid crystal display panel including a resin film being formed on the inner space side of one of the pair of substrates, and an inorganic insulating film being formed on a surface side of the resin film. An area not having the inorganic insulating film being present therein is formed in the liquid crystal panel.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: September 2, 2014
    Assignee: Japan Display West Inc.
    Inventors: Yoshihiro Akai, Masayuki Kametani, Takayuki Kato
  • Patent number: 8823894
    Abstract: A frame formed by cutting and bending a plate base is provided. The maximum thickness of the frame is T, the thickness of the plate base is t, and 1.5t?T?2.5t. The frame includes a first plate element, a second plate element, and a bending portion. The second plate element is directly contacted to the first plate element, and the first plate element is substantially parallel to the second plate element. The bending portion is connected between the first plate element and the second plate element. A backlight module using the above-mentioned frame and a liquid crystal display (LCD) module using the backlight module are also provided.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: September 2, 2014
    Assignee: Au Optronics Corporation
    Inventors: Chih-Wei Chang, Po-Chun Hsu, Kun-Hung Hsieh
  • Patent number: 8804067
    Abstract: A display device includes a display module, a light source module and a guiding optical film. The display module includes a first substrate, a second substrate and a display medium. The light source module generates directional light. The display module has a vertical electric field. The display medium is optically isotropic, and the display medium is optically anisotropic when driven by the vertical electric field. The directional light is not perpendicular to the first substrate when the directional light enters the display nodule. The directional light is not perpendicular to the second substrate when the directional light exits the display module. The guiding optical film is disposed on the second substrate and has a light incident surface and a light emitting surface. After the directional light exits the guiding optical film, emitting light is formed, and the emitting light and the light emitting surface has an included angle there between.
    Type: Grant
    Filed: September 24, 2011
    Date of Patent: August 12, 2014
    Assignees: Au Optronics Corporation, University of Central Florida Research Foundation, Inc.
    Inventors: Hui-Chuan Cheng, Shin-Tson Wu, Jin Yan, Young-Ran Chuang, Ching-Huan Lin
  • Patent number: 8804086
    Abstract: An anisotropic conductive film includes a first thin film layer including concave portions, conductive balls arranged in the concave portions, insulating balls disposed on and between the conductive balls and each having a diameter smaller than the conductive balls, and a second thin film layer disposed covering the insulating balls. A display apparatus includes a pad part and a driving chip, which are electrically connected by the anisotropic conductive film.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Won Jung, Woongkwon Kim, Daecheol Kim, SungHoon Yang, Sang Youn Han, Byeonghoon Cho, Ki-Hun Jeong, Kyung-Sook Jeon, jung suk Bang
  • Patent number: 8804058
    Abstract: An exemplary display device providing touch function includes scanning lines and data lines thereby defining lots of sub-pixel units. Each sub-pixel unit includes a pixel electrode, a storage capacitor, a compensation capacitor connected between the pixel electrode and a corresponding scanning line. In each pixel unit defined by n number adjacent sub-pixel units, both of a ratio of capacitance values between the storage capacitors formed in the corresponding sub-pixel units and a ratio of capacitance values between the corresponding compensation capacitors are respectively substantially equal to a ratio of areas between the corresponding pixel electrodes.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: August 12, 2014
    Assignee: Innolux Corporation
    Inventors: Po-Sheng Shih, Po-Yang Chen
  • Patent number: 8797498
    Abstract: A liquid crystal optical lens including a first and a second device substrate and a liquid crystal layer is provided. A first electrode layer and a plurality of first stacked layers are sequent stacked on the first device substrate. Each first stacked layer has a first opening exposing the first electrode layer and includes a first conductive layer and a first insulating layer located between the first conductive layer and the first electrode layer. A second electrode layer and a plurality of second stacked layers are sequent stacked on the second device substrate. Each second stacked layer has a second opening exposing the second electrode layer and including a second conductive layer and a second insulating layer located between the second conductive layer and the second electrode layer. A method for fabricating the liquid crystal optical lens and a lens apparatus using the liquid crystal optical lens are also provided.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: August 5, 2014
    Assignee: Silicon Touch Technology Inc.
    Inventor: Chi-Lone Chang
  • Patent number: 8792067
    Abstract: A display module including a display panel, at least one bracket, a protective plate, a plurality of assembling elements and a back cover is provided. The display panel has a display surface and a back surface opposite to the display surface. The bracket is fixed to the display panel. The protective plate faces the display surface. The assembling elements are fixed on the protective plate, wherein each of the assembling elements has a positioning protrusion and an engaging slot. And the bracket is positioned on the assembling elements through the positioning protrusions. The back cover faces the back surface, wherein the back cover is engaged to the assembling elements through the engaging slots.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 29, 2014
    Assignee: Compal Electronics, Inc.
    Inventors: Nien-Wei Lin, Huang-Lin Lee
  • Patent number: 8780297
    Abstract: The present invention discloses a backlight module which has a plurality of light-emitting diodes. The light-emitting diodes are divided into a plurality of light groups according to pitches between the adjacent light-emitting diodes. The light-emitting diodes with respect to a display-area center line have a position center, and the light group having the light-emitting diodes with larger pitches therebetween is in a position relatively close to the position center and is in a higher bright bin; the light group having the light-emitting diodes with smaller pitches therebetween is in a position relatively away from the position center and is in a lower bright bin. Therefore, luminous conditions of the overall light-emitting diodes tend to correspondence, and proportion of usage of light-emitting diodes in different bright bins can be increased.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: July 15, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Qian Cao, Poying Lin
  • Patent number: 8773601
    Abstract: A display device includes: an image display unit having a plurality of pixels each including a plurality of sub-pixels with colors different from one another, the sub-pixels displaying an image for a right eye and an image for a left eye; and a light shielding unit configured to cause parallax to be generated between the two eyes. In the image display unit, each of the sub-pixels is substantially square and arranged in such a manner as to correspond to a corresponding lattice point of a triangular lattice. In the light shielding unit, a shape of a light shielding barrier in a state in which a display device body is oriented in a vertical direction is different from a shape of the light shielding barrier in a state in which the display device body is oriented in a horizontal direction.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 8, 2014
    Assignee: Japan Display West Inc.
    Inventor: Goro Hamagishi
  • Patent number: 8767142
    Abstract: A liquid crystal display device (1) includes a liquid crystal display panel (2), a metal backlight chassis (4), a metal bezel (13), a printed circuit board (31), an electric conductor (14) via which the metal backlight chassis (4) and a ground land part (31f) of the printed circuit board (31) are electrically connected with each other, and a frame (10) having an insertion hole in which the electric conductor (14) is inserted.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: July 1, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Shinji Toyoyama
  • Patent number: 8767163
    Abstract: A jig for a flexible substrate comprises a glass plate having a concave portion and a plurality of grooves at periphery of the concave portion. The jig further comprises a plurality of fixing elements inserted in the plurality of grooves to fix the flexible substrate to the glass plate.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: July 1, 2014
    Assignee: LG Display Device Co., Ltd.
    Inventors: Hyun-Sik Seo, Seung-Han Paek, Dae-Hyun Nam, Nack-Bong Choi
  • Patent number: 8749736
    Abstract: Discussed are a color filter using a surface plasmon, a liquid crystal display (LCD) device and a method for fabricating the same, capable of enhancing a transmittance rate of an LC panel, by forming a transmissive pattern having a plurality of sub-wavelength holes having a period at a metal layer so that light of a specific wavelength can be selectively transmitted, and capable of simplifying the entire processed.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: June 10, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Min-Sung Yoon
  • Patent number: 8749733
    Abstract: A liquid crystal display device, without light leakage in a black display mode, is provided. The liquid crystal display (LCD) device includes a LCD panel, a light source, and an optical filter between the LCD and the light source. When the LCD panel is in the black display mode without the optical filter, leakage light leaking from the LCD panel in an oblique direction shows a hue having a local minimum value in a wavelength range from 450 nm to 550 nm. Normal incident light entering into the LCD in a normal direction shows a hue same as that of light just emitted from the light source, and oblique incident light entering into the LCD panel in an oblique direction shows a hue having a local maximum value in a wavelength range from 400 nm to less than 550 nm.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: June 10, 2014
    Assignee: Sony Corporation
    Inventors: Tsuyoshi Maeda, Toyokazu Ogasawara
  • Patent number: 8749722
    Abstract: A reflective liquid crystal display panel is a display panel for three-dimensional display in which pixel pairs as display elements composed of one left-eye pixel L and right-eye pixel R each are provided in a matrix. The lenticular lens is an optical member for image separation that is provided to separate the light from the left and right pixels, and numerous lenticular lenses form a lens array that is arranged in one dimension. An anisotropic scattering sheet as an anisotropic scattering element is provided between the lenticular lens and the reflective liquid crystal display panel. In this configuration, a reduction in the quality of the reflective display can be minimized, and improved image quality can be achieved without changing the concavo-convex structure of the reflecting panel and the lens shape of the lenticular lens in display device that is capable of displaying different images to a plurality of viewpoints.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: June 10, 2014
    Assignee: NLT Technologies, Ltd.
    Inventor: Shin-Ichi Uehara
  • Patent number: 8743299
    Abstract: A projection display apparatus comprises a reflective LC display device and a polarizing beam splitter having a polarizing separative plane and wired grids. The LC molecules of the device are aligned such that i) a segment on a second subtracted, produced by projecting a major axis of each LC molecule perpendicularly onto the second substrate, makes an angle of 42 to 48 degrees counterclockwise or counterclockwise in relation to a direction of a straight line on the second substrate, formed by projecting each wire grid perpendicularly onto the second substrate and ii) of both ends of the segment, one end meeting an end of each LC molecule, which is positioned nearer to the second substrate than the other end, is positioned nearer to an intersection at which a plane including the polarizing separative plane and a plane including the second substrate mutually intersects, than the other end of the segment.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: June 3, 2014
    Assignee: JVC Kenwood Corporation
    Inventors: Shigeo Shimizu, Tatsuya Mukouyama