Patents Examined by Mike Qi
  • Patent number: 9030620
    Abstract: A display panel includes a substrate including a plurality of thin-film transistors thereon, a plurality of gate lines respectively connected to a thin film transistor and disposed on the substrate, a color filter layer disposed on the substrate and the gate lines, a black matrix disposed on the color filter and overlapped with the gate lines, and a hole defined in the black matrix and exposing the color filter layer, a first electrode disposed on the color filter and electrically connected to the thin-film transistor and an image displaying layer disposed on the first electrode.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Yeon Chae, Sang-Gun Choi, A-Ram Lee, Tae-Woon Cha
  • Patent number: 9025123
    Abstract: A liquid crystal display device includes a plurality of pixels arranged in a matrix, each pixel having: first and second substrates; a first electrode formed on an opposing face of the first substrate opposing the second substrate; a first alignment film covering the first electrode and the opposing face of the first substrate; a second electrode formed on the opposing face of the second substrate opposing the first substrate; a second alignment film covering the second electrode and the opposing face of the second substrate, and a liquid crystal layer which is provided between the first alignment film and the second alignment film and includes liquid crystal molecules, where a pretilt is imparted on the liquid crystal molecules, a plurality of uneven portions is formed on the first electrode, and a width of a portion of the convex portions provided on the first electrode becomes narrower toward the tip portion.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Sony Corporation
    Inventors: Chikashi Kobayashi, Shunichi Suwa, Masashi Miyakawa
  • Patent number: 9019447
    Abstract: A liquid crystal display device comprising: a liquid crystal cell including a quadrilateral display surface and a liquid crystal layer enclosed between glass substrates and controlling light entering from a second surface side and exiting to a first surface side; a first polarizing plate including a polarizer having an absorption axis and adhered to the first surface side with an adhesive layer; and a second polarizing plate including a polarizer having an absorption axis and adhered to the second surface side with an adhesive layer such that one of the polarizing plates including the polarizer with a larger maximum dimension in an absorption axis direction on the display surface is adhered to the glass substrate with an adhesive layer having higher adhesion strength to the glass substrate than the adhesive layer of other polarizing plates including the polarizer with a smaller maximum dimension in the absorption axis direction.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: April 28, 2015
    Assignee: Japan Display Inc.
    Inventors: Kayoko Miyazaki, Keiji Tago, Hirokazu Morimoto
  • Patent number: 9013641
    Abstract: To effectively suppress speckle noise generated when coherent light is used as a light source in a projection type image display device using an LCOS Liquid Crystal On Silicon). A projection type image display device according to the present invention includes: a light source that emits coherent light; an optical scanning section that scans the coherent light emitted from the light source; an LCOS that has an image formation area in which an image is formed; a projection optical system that projects an image formed on the image formation area on a screen; and a hologram that has polarization selectivity and diffuses scanning light scanned by the optical scanning section so as to allow diffusion light emitted from respective points thereof to illuminate the image formation area in an overlapping manner.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: April 21, 2015
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Makio Kurashige
  • Patent number: 9013664
    Abstract: A liquid crystal display panel including a first substrate, a second substrate, and a liquid crystal mixture is provided. The first substrate includes a first base and a first electrode layer. The first base has a plurality of sub pixels each having at least one first asymmetric protrusion. The first electrode layer is disposed on the first asymmetric protrusion. The second substrate is assembled to the first substrate. The liquid crystal mixture is disposed between the first asymmetric protrusion and the second substrate.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: April 21, 2015
    Assignee: Innolux Corporation
    Inventors: Yu-Wei Chen, Chien-Hung Chen
  • Patent number: 9013665
    Abstract: Provided are a display device and a manufacturing method thereof capable of preventing aggregation of an alignment layer and maintaining uniformly a cell-gap. The display device according to an exemplary embodiment of the invention includes: a substrate including a plurality of pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel area; a barrier layer formed on the pixel electrode; a roof layer formed on the barrier layer to be spaced apart from the barrier layer with a microcavity therebetween; and a liquid crystal formed to fill the microcavity.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: April 21, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Kyung Yim, Je Hyeong Park, O Sung Seo, Hyoung Cheol Lee
  • Patent number: 9007538
    Abstract: A barrier functional film that includes a substrate, at least one side wall barrier structure, a releasing film, and an adhesive is provided. The side wall barrier structure is located on the substrate. The releasing film is located above the substrate, and the side wall barrier structure is located between the substrate and the releasing film. The adhesive covers the side wall barrier structure and is located between the substrate and the releasing film. An environmental sensitive electronic device, a display apparatus, and a manufacturing method of a barrier functional film are also provided.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: April 14, 2015
    Assignee: Industrial Technology Research Institute
    Inventor: Kuang-Jung Chen
  • Patent number: 9007554
    Abstract: According to one embodiment, a liquid crystal optical apparatus includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first substrate, first electrodes, and second electrodes. The first electrodes extend in a first direction. The second electrodes are disposed between the first electrodes. The second substrate unit includes a second substrate, a first opposing electrode, and a second opposing electrode. The second opposing electrode is separated from the first opposing electrode. The liquid crystal layer is provided between the first and second substrate units. The distance along the second direction between the central axis and a first separating region between the first opposing electrode and the second opposing electrode is longer than a distance between the central axis and the second electrode.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 14, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ayako Takagi, Shinichi Uehara, Masako Kashiwagi, Masahiro Baba, Yuko Kizu, Yoshiharu Momonoi
  • Patent number: 9001293
    Abstract: A display device and color filter substrate thereof are provided. The color filter substrate includes a substrate and a green color filter disposed on the substrate. A concentration of halogen in the green color filter is less than 10 ppm. The green color filter has a transmittance spectrum G(?), and CMF_Z(?) is the color matching function defined by International Commission on Illumination (CIE). A peak intensity between 380 nm and 780 nm of G(?)×CMF_Z(?) is in a range between 0.33 and 0.4.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: April 7, 2015
    Assignee: AU Optronics Corp.
    Inventors: Kuei-Bai Chen, Shiuan-Fu Lin, Shiang-Lin Lian, Chen-Hsien Liao
  • Patent number: 9001284
    Abstract: A liquid crystal display includes a gate line formed on an insulation substrate. A data line, insulated from the gate line, crosses the gate line. A first pixel is connected to the gate line and the data line. The pixel includes a thin film transistor having a control terminal connected to the gate line and an input terminal connected to the data line. A first liquid crystal capacitor has one end connected to an output terminal of the thin film transistor. A second liquid crystal capacitor has one end connected to the other end of the first liquid crystal capacitor. The first liquid crystal capacitor includes a first liquid crystal layer formed in a first microcavity and the second liquid crystal capacitor includes a second liquid crystal layer formed in a second microcavity.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Bae, Dong Hyun Yu, Hyung-Il Jeon
  • Patent number: 8994898
    Abstract: The present invention provides a COF base tape. The COF base tape includes: a connected lead being configured to connect with a connected terminal of a liquid crystal glass; an alignment mark being set on the two sides of the connected lead being configured to align with a mark of the connected terminal, an area of the alignment mark thereof being light transparency. The present invention also provides a method for manufacturing the COF base tape and liquid crystal display module. The embodiment of the invention of a COF base tape and manufacturing method thereof and liquid crystal display module including the same enhances the strength of the COF base tape edge and raises the accurate alignment and operationally of the COF base tap connected with liquid glass. The present invention can save the material and reduce the cost of the art.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: March 31, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Chengwen Que, Dehua Li
  • Patent number: 8982309
    Abstract: A liquid crystal display device includes a substrate, a thin film transistor disposed on the substrate, a plurality of color filters disposed on the substrate, a light blocking member disposed between the plurality of color filters and on the thin film transistor, and a pixel electrode disposed on at least one of the plurality of color filters. The pixel electrode comprises a planar shape electrode and a plurality of minute branches extending from the planar shape electrode. The at least one of the plurality of color filters or the light blocking member comprises a step forming portion overlapped by the planar shape electrode.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Soo Jang, Hak-Sun Chang, Jang Wi Ryu, Ki Chul Shin
  • Patent number: 8976324
    Abstract: An electronic device may have a display such as a liquid crystal display. The display may have multiple display layers for generating display light such as a color filter layer and a thin-film transistor layer. The display may include first and second layers of optical fibers formed over the display layers. The first and second layers of optical fibers may guide display light generated in the display layers to an outer surface of the display. The first layer of optical fibers may include optical fibers having a first numerical aperture. The second layer of optical fibers may include optical fibers having a second numerical aperture. The first numerical aperture may be smaller than the second numerical aperture. The second layer of optical fibers may include vertical and angled optical fibers. The angled optical fibers may help reduce the size of an inactive region around the center of the display.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: March 10, 2015
    Assignee: Apple Inc.
    Inventors: Tseng-Mau Yang, Christopher D. Prest, Dale N. Memering
  • Patent number: 8976318
    Abstract: A method and system for zonal switching for light steering to produce an image having high dynamic range is described. The system comprises: a light source for providing light along an optical path; a spatial light modulator for directing portions of the light to off-state and on-state light paths, thereby producing an image, the spatial light modulator having a plurality of illumination zones corresponding to the image; and a set of sequentially-arranged optical elements in the optical path for steering at least some of the light from a first subset of the plurality of illumination zones to a second subset of the plurality of illumination zones to increase the dynamic range of the image. The dwell time of the one or more sequentially arranged optical elements can be modified to steer light.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 10, 2015
    Assignee: Christie Digital Systems USA Inc.
    Inventor: Simon Guthrie
  • Patent number: 8970815
    Abstract: Systems and methods are described for producing liquid crystal devices microwave that use metal alignment layers. The liquid crystal microwave devices include a liquid crystal layer sandwiched between metal layers, which are further sandwiched between substrate layers. At least one of the metal layers is rubbed to form micro-grooves that tend to align the liquid crystal molecules adjacent to those layers without using additional rubbed polymeric layers for the alignment. The thickness of the metal layers can be selected to yield a desired electromagnetic effect, such as constraint of propagation of microwave radiation.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: March 3, 2015
    Assignee: The Regents of the University of Colorado
    Inventors: Zbigniew Celinski, Robert Camley, Yuri Garbovskiy, Anatoliy Glushchenko
  • Patent number: 8964158
    Abstract: A liquid crystal (LC) display device includes a first substrate having a pixel unit and a second substrate. The pixel unit has a pixel electrode unit including a primary electrode region. A LC layer with chiral dopants is disposed between the first and second substrates. The pixel unit has a first boundary along a horizontal direction of an upper portion of the pixel unit. The first boundary has a first central point. The primary electrode region has a first side along the horizontal direction of an upper portion of the primary electrode region. The first side has a second central point left to the first central point. The primary electrode region has a second side located on the left to the second central point, and a first angle between the first and second sides is larger than 90 degrees or equal to 90 degrees.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: February 24, 2015
    Assignee: Innolux Corporation
    Inventors: Ming-Hung Chen, Ying-Jen Chen, Chih-Yung Hsieh
  • Patent number: 8964160
    Abstract: A substrate assembly including a first substrate, a second substrate, a sealant, and a blocking structure is provided. The first substrate has an active area. The sealant is disposed between the first substrate and the second substrate. The sealant assembles the first substrate and the second substrate and separates the first substrate and the second substrate in a cell gap to define a space, wherein the sealant has an injection opening. The blocking structure is disposed on the first substrate and located outside the active area. A distance from the blocking structure to the second substrate is smaller than the cell gap, wherein the blocking structure divides the space into a first area and a second area. The injection opening is merely located inside the first area and the active area is merely located inside the second area.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: February 24, 2015
    Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek Corporation
    Inventors: Po-Hsien Wang, Chih-Chiang Cheng
  • Patent number: 8964138
    Abstract: A glass apparatus for watching a polarized image is provided. The glass apparatus includes a film unit for double-refracting the polarized image when the glass apparatus is tilted; a sensor unit for detecting a slope of the glass apparatus based on a horizontal plane; a voltage driving unit for applying a driving voltage corresponding to the slope detected by the sensor unit, to a liquid crystal cell; the liquid crystal cell for switching an orientation according to the driving voltage, and changing polarization property of an image passing through the film unit according to the switched orientation; and a polarizer for polarizing the image passing through the liquid crystal cell in a preset polarization direction.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-sik Kim, Sergey Shestak, Do-young Kwag, Ho-seop Lee
  • Patent number: 8964145
    Abstract: Provided is a technique related to a thin display device having a frame structure in which accuracy is ensured. First and second restricting convex portions (84, 85) are formed on the inner parts of a bending hole portion (83). A restricting face (84a) which is an end portion of the first restricting convex portion (84) takes an angle of 45 degrees sloping from upper left to the lower right. A restricting face (85a) which is an end portion of the second restricting convex portion (85) takes an angle of 45 degrees sloping from upper right to lower left. When bending processing is performed, the restricting face (84a) of the first restricting convex portion (84) abuts against the restricting face (85a) of the second restricting projection portion (85).
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: February 24, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hitoshi Kuroyanagi
  • 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