Patents Examined by David Chung
  • Patent number: 8937696
    Abstract: A cellulose acylate film containing a cellulose acylate and a sugar ester compound having from 1 to 12 pyranose structures or furanose structures in which at least one hydroxyl group is esterified, the film satisfying 40 nm?Re(550)?60 nm and 100 nm?Rth(550)?140 nm, and having a dimensional change of ?0.5 to 0.5% and an internal haze of at most 0.1%.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: January 20, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yoshiaki Hisakado, Jun Takeda, Isao Fujiwara, Masato Nagura, Nobutaka Fukagawa
  • Patent number: 8934069
    Abstract: Provided is a liquid crystal display device which includes: a pair of transparent substrates which are arranged to face each other in an opposed manner with a liquid crystal layer sandwiched therebetween; a non-self-luminous display part having at least a light transmitting region which allows light to pass therethrough and a light shielding region which shields light; and a backlight part, wherein the transparent substrate arranged on a backlight part side includes a reflection film formed of a metal thin film in which an opening region corresponding to the light transmitting region is formed on a liquid crystal layer side of the transparent substrate on the backlight part side, and the backlight light incident on the opening region passes through the opening region, and the backlight light incident on a region where the reflection film is formed is reflected toward the backlight part side.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: January 13, 2015
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Shigeki Nishizawa
  • Patent number: 8928827
    Abstract: An embodiment of this invention provides a liquid crystal display, which comprises a thin-film transistor substrate, an upper substrate, and a liquid crystal between the two substrates. The thin-film transistor substrate comprises data lines, gate lines, and a pixel array defined by the data lines and gate lines, characterized in that each data line connects to two columns of pixel, and another one or two columns of pixel are interposed between the connected two columns of pixel.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: January 6, 2015
    Assignee: HannStar Display Corp.
    Inventors: Yu Tsai, Che-Yu Chuang
  • Patent number: 8879008
    Abstract: A stereoscopic image panel according to the present invention includes: a liquid crystal layer; a first parallax barrier layer including a first electrode unit adjacent to one side of the liquid crystal layer and a second electrode unit opposite the other side of the liquid crystal layer; and a second parallax barrier layer including a third electrode unit opposite one side of the liquid crystal layer, between the liquid crystal layer and the first electrode unit, and a fourth electrode unit positioned adjacent to the second electrode unit, wherein the second electrode unit is positioned between the liquid crystal layer and the fourth electrode unit.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: November 4, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun Lee, Eung Don Lee
  • Patent number: 8860899
    Abstract: A metal interconnection is located in the same layer as a source line and connected to the drain of a thin-film transistor. An interlayer insulating film is constituted of at least lower and upper insulating layers and formed between a conductive coating and the source line. According to one aspect of the invention, an auxiliary capacitor is formed by the metal interconnection and the conductive coating serving as both electrodes and at least the lower insulating layer serving as a dielectric. The auxiliary capacitor is formed in a region of the interlayer insulating film in which the upper insulating layer has been removed by etching.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 14, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hisashi Ohtani, Yasushi Ogata, Yoshiharu Hirakata
  • Patent number: 8836872
    Abstract: A switchable three-dimensional (3D) display includes a display device and a switchable parallax barrier that is disposed on the display device. The switchable parallax barrier includes a first electrode structure, a second electrode structure, and a liquid crystal layer. The liquid crystal layer is located between the first electrode structure and the second electrode structure. The first electrode structure includes a planar electrode, a plurality of first bar electrodes electrically connected to one another, and an insulating layer. A partial region of the planar electrode is not covered by the first bar electrodes. The insulating layer is disposed between the planar electrode and the first bar electrodes, so that the planar electrode is electrically insulated from the first bar electrodes.
    Type: Grant
    Filed: August 21, 2011
    Date of Patent: September 16, 2014
    Assignee: Au Optronics Corporation
    Inventors: Ya-Ling Kuo, Yung-Sheng Tsai, Shih-Lun Lai, Chih-Hao Chang
  • Patent number: 8830412
    Abstract: The present invention provides a substrate for array process of panel display device, which includes a cell switch set and a PVSA mode pad set. Cell switch set includes a plurality of switch elements. PSVA mode pad set includes a data scan pad and a common electrode pad. Data scan pad is connected through some switch elements of cell switch set to a plurality of scan lines and data lines. Common electrode pad is connected through switch element to common electrode line in the area. The present invention further provides a panel display device and manufacturing method of liquid crystal display panel. In this manner, the present invention reduces the number of pads in PSVA mode pad set to simplify peripheral routes.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: September 9, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Cheng-hung Chen
  • Patent number: 8804055
    Abstract: A fabricating method of a touch screen panel, a transparent electrode layer and an insulating layer which are sequentially formed on a same surface of a transparent substrate. The transparent electrode layer and the insulating layer are co-patterned using a halftone mask to form a plurality of first sensing patterns connected along a first direction, a plurality of second sensing patterns having separated patterns between the first sensing patterns, and the insulating layer positioned on the first and second sensing patterns to expose regions of the second sensing patterns. A conductive layer is formed on the transparent substrate on which the first and second sensing patterns and the insulating layer are formed. The conductive layer is patterned to form second connection patterns allowing the second sensing patterns to be connected along a second direction through the exposed regions of the second sensing patterns.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Woo-Sik Jun
  • Patent number: 8797470
    Abstract: A system for selectively revealing indicia to an observer comprises a transitioning window having a receiving surface and a viewing surface. The receiving surface is positioned in optical communication with an indicia holder that is configured to removably retain indicia, such as information content. During operation, the transitioning window transitions from a substantially opaque state to a substantially transparent state so as to reveal or otherwise display the indicia to an observer via the viewing surface.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: August 5, 2014
    Assignee: GOJO Industries, Inc.
    Inventor: Keith Allen Pelfrey
  • Patent number: 8786819
    Abstract: The present invention provides a plastic flat display and a method for manufacturing the same. In a plastic flat display including upper and lower substrates, the lower substrate is formed of an FPCB substrate for supplying an electrical signal to the plastic flat display. Accordingly, a flexible printed circuit board (FPCB) is used in an integrated type to serve as a lower substrate film of the flat display, so that an additional lower substrate is not necessary and the flat display can be implemented with a simple structure, and a method for manufacturing the plastic flat display.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: July 22, 2014
    Assignee: Intellectual Discovery Co., Ltd
    Inventors: Seok-Hong Jeong, Hyun-Ha Hwang
  • Patent number: 8780284
    Abstract: A capacitive input device includes: an input device substrate having a position detection electrode on a second surface side which is reverse to a first surface side on which an input operation is performed; and a shielding film which has a shield electrode layer on a base film and is adhered to the second surface side of the input device substrate by an adhesive layer.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: July 15, 2014
    Assignee: Japan Display West Inc.
    Inventor: Takeshi Kurashima
  • Patent number: 8755020
    Abstract: A region of the first substrate and the second substrate enclosed by a sealant is a rectangle. The rectangle includes a central region, a pair of first regions between which the central region is interposed in a major-axis direction of the rectangle, a pair of second regions between which the central region is interposed in a minor-axis direction of the rectangle, and a peripheral region that surrounds the central region, the pair of first regions, and the pair of second regions. The spacers are disposed in the central region and the peripheral region except the pair of first regions and the pair of second regions. In the peripheral region, a width from each of the first regions to one long side of the rectangle in an outward direction is larger than a width from one of the second regions to the one long side in the outward direction.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: June 17, 2014
    Assignee: Japan Display Inc.
    Inventor: Osamu Nagashima
  • Patent number: 8754995
    Abstract: A liquid-crystal display includes scan lines arranged on a substrate and also functioning as a gate of a thin-film transistor, a main line arranged between the scan lines, source lines arranged in a direction intersecting the scan lines, a picture-element electrode arranged between the source lines and between the scan lines, a storage capacitor formed with the main line, an insulation layer, and an intermediate electrode, a drain line connected to a drain of the thin-film transistor and the intermediate electrode. The main line includes a first transparent electrode and a first metallic line, which is formed on the first transparent electrode, is narrower and has a lower resistance than the first transparent electrode. The drain line includes a second transparent electrode and a second metallic line which is narrower and has a lower resistance than the second transparent electrode. The intermediate electrode is formed by extending the second transparent electrode.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: June 17, 2014
    Assignee: Sony Corporation
    Inventors: Hiroki Takahashi, Yoji Nagase
  • Patent number: 8743338
    Abstract: A liquid crystal display device is discussed. A liquid crystal display device includes according to an embodiment a liquid crystal panel having a liquid crystal layer formed between a first substrate and a second substrate, a backlight unit comprising a light source part located adjacent to a short side of the liquid crystal panel and a light guide plate configured to transmit a light emitted from the light source part to the liquid crystal panel, a supporting member configured to support the backlight unit, and a first heat radiating member radiating heat generated from the light source part, wherein the first heat radiating member is provided at one side of the supporting member, and is positioned between the light source part and the supporting member. According to the present invention, material cost for the light source part is reduced and production cost may be lowered accordingly.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 3, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Joung Beum Jun, Jong Hyeok Kim
  • Patent number: 8736777
    Abstract: A VIS-NIR hyperspectral imaging filter has serial stages along an optical signal path with angularly distributed birefringent retarders and polarizers. The retarders can include active retarders such as tunable liquid crystal birefringent elements, passive retarders such as fixed retarders, and/or combinations thereof. Distinctly different periodic transmission spectra are provided by different filter stages, each having multiple retarders, in particular with some stages having broad bandpass peaks at wide spectral spacing and other stages have very narrow closely spaced peaks. The respective spectra include at least one tunably selectable band at which the transmission spectra of the filter stages coincide, whereby the salutary narrow bandpass and wide spectral spacing ranges of different stages apply together, resulting in a high finesse wavelength filter suitable for spectral imaging.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: May 27, 2014
    Assignee: ChemImage Technologies LLC
    Inventors: Thomas Voigt, Lei Shi, George Venturis
  • Patent number: 8724063
    Abstract: According to one embodiment, a liquid crystal optical apparatus includes first and second substrate units, a liquid crystal layer, and a drive unit. The first substrate unit includes a first substrate having a first major surface, a plurality of first and second electrodes. The first electrodes are provided on the first major surface to extend in a first direction. The second electrodes are provided on the first major surface to extend in the first direction. The second substrate unit includes a second substrate having a second major surface opposing the first major surface and an opposing electrode. The opposing electrode is provided on the second major surface. The liquid crystal layer is provided between the first and second substrate units. The drive unit is electrically connected to the first and second electrodes, and the opposing electrode and forms a refractive index distribution in the liquid crystal layer.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 13, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ayako Takagi, Shinichi Uehara, Masako Kashiwagi, Masahiro Baba
  • Patent number: 8724057
    Abstract: A color filter array on pixel array substrate including a substrate, an active device array, a color filter array and a pixel electrode layer is provided. The substrate has a plurality of pixel regions and a light-shielding region. The active device array is disposed on the substrate. The color filter array is disposed on the substrate, and includes a light shielding patterned layer and a plurality of color filter patterns, wherein the light-shielding patterned layer is disposed in the light-shielding region. The color filter patterns are respectively disposed in the pixel regions and extend from the pixel regions into the light shielding regions, wherein the color filter patterns extending from adjacent pixel regions constitute a stacked structure within the light shielding regions. The pixel electrode layer is electrically connected to the active device array.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: May 13, 2014
    Assignee: Au Optronics Corporation
    Inventors: Chin-An Tseng, Hung-Lung Hou, Chia-Yu Lee, Yen-Heng Huang, Chung-Kai Chen, Chieh-Wei Chen, Yi-Tsun Lin
  • Patent number: 8704993
    Abstract: A liquid crystal display includes a first insulation substrate, a plurality of gate lines and a plurality of data lines disposed on the first insulation substrate, a plurality of thin film transistors connected to the plurality of gate lines and the plurality of data lines, a plurality of pixel electrodes connected to the plurality of thin film transistors, a second insulation substrate disposed substantially opposite to the first insulation substrate; a plurality of column spacers disposed between the first and second insulation substrates and which supports the first and second insulation substrates, a light blocking member disposed on the first insulation substrate and including a sheet portion which includes an opening, a height controlling member disposed at the opening of the sheet portion of the light blocking member, where the plurality of column spacers is disposed on the height controlling member or the light blocking member.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hun Lee, Chul Huh, Gwan-Soo Kim, Se-Ah Kwon, Yui-Ku Lee
  • Patent number: 8687143
    Abstract: A method of illuminating a display includes spatially varying the luminance of a multi-colored light source illuminating a plurality of pixels of the display in response to receiving a plurality of pixel values, and varying the transmittance of a light valve of the display having filters corresponding to the multi-colored light source in response to receiving the plurality of pixel values. The illumination is modified for a plurality of pixel values based upon modification of the luminance of the light source and varying the transmittance of the light valve. The modifying is further based upon modification of at least one of the multi-colored light sources together with modification of the transmittance of the light valve corresponding to at least one of the filters of a different color than the at least one of the multi-colored light sources in such a manner that increases the color gamut of the display.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: April 1, 2014
    Assignee: Sharp Laboratories of America, Inc.
    Inventors: Xiaofan Feng, Dan Zhang
  • Patent number: RE45283
    Abstract: To reduce viewing angle dependence of ? characteristics in a normally black liquid crystal display. Each pixel 10 has a first sub-pixel 10a and a second sub-pixel 10b which can apply mutually different voltages to their respective liquid crystal layers. Relationships ?V12 (gk)>0 volts and ?V12 (gk)??V12 (gk+1) are satisfied at least in a range 0<gk?n?1 if it is assumed that ?V12=V1?V2, where ?V12 is the difference between root-mean-square voltage V1 applied to the liquid crystal layer of the first sub-pixel 10a and root-mean-square voltage V2 applied to the liquid crystal layer of the second sub-pixel 10b.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: December 9, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Fumikazu Shimoshikiryo