Patents Examined by Wen-Ying P. Chen
  • Patent number: 8358386
    Abstract: In a liquid crystal display device including a liquid crystal display panel, and a backlight disposed on the rear surface of the liquid crystal display panel, the backlight is provided with a plurality of white light-emitting diodes arranged in a plane opposing the liquid crystal display panel. Based on a chromaticity coordinate value representing a color of emission identified for each of the white light-emitting diodes, the white light-emitting diodes are selectively combined for arrangement in proximity in such a manner that the color of emission as a result of averaging over the white light-emitting diodes (1a, 1b) to be arranged in proximity takes a predetermined value of chromaticity coordinates.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: January 22, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Ikuko Imajo, Ryutaro Oke, Sachiko Yamazaki, Masashi Baba
  • Patent number: 8345202
    Abstract: An antiglare film includes a transparent substrate, and an antiglare layer formed on the transparent substrate. The antiglare layer includes a binder matrix and acrylic-styrene copolymer particles, and the binder matrix includes an acrylic material having a hydroxyl group. A quotient RA/H, which is obtained by dividing the average diameter RA of the acrylic-styrene copolymer particles by the average thickness H of the antiglare layer, is within a range of 0.30 to 0.80. A product in |nA?nM|×wA×H, which is the product of: the absolute value |nA?nM| obtained by subtracting the average refractive index nM of the binder matrix from the refractive index nA of the acrylic-styrene copolymer particles; the content wA of the acrylic-styrene copolymer particles when the content wM of the binder matrix in the antiglare layer is 100 parts by weight; and the average thickness H of the antiglare layer, is within a range of 0.70 to 3.00.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 1, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Yusuke Tochigi, Kae Tochigi, Takahiro Morinaga
  • Patent number: 8345193
    Abstract: An electronic device including: a thin-film substrate having a front surface being formed with electronic circuits; an adhesive layer comprising an adhesive material applied to a back surface of the thin-film substrate, the adhesive material having an elasticity modulus being in a range of 1.0×103 to 2.1×104 Pa at 80° C.; and a flexible substrate having a front surface being bonded to the back surface of the thin-film substrate with the adhesive layer.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: January 1, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takashi Miyazaki, Hajime Yamaguchi, Masao Tanaka, Kentaro Miura, Rei Hasegawa
  • Patent number: 8330927
    Abstract: The present invention relates to a display device including a substrate, a display signal line disposed on the substrate, a contact assistant disposed on the pad region of the substrate as a draw-out terminal of the display signal line, a driver IC chip disposed on the substrate and connected to the display signal line through the contact assistant, and a testing thin film transistor disposed between the substrate and the driver IC chip. The testing thin film transistor and the display signal line are connected to each other.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: December 11, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Koo Her, Yong-Han Park
  • Patent number: 8330899
    Abstract: A photoflash includes a substrate, a flashtube and a light field control member. The substrate serves as a bottom of a cavity formed there-above and having a plurality of circuits embedded in the bottom of the cavity. The flashtube is received in the cavity and electrically connected to the circuits. The control member includes a liquid crystal panel, a plurality of transparent electrodes attached on opposite of the liquid crystal panel and a control circuit attached on the panel and electrically connected to the electrodes. The liquid crystal panel is mounted on the substrate and covers the cavity, while the control circuit is electrically connected to the circuits of the substrate. The control circuit is configured for controllably powering transparent electrodes thereby adjusting the arrangement of liquid crystal cells in particular regions of panel to control which portions of the light emitted from the flashtube will pass through the light field control member.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: December 11, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Jen-Tsorng Chang
  • Patent number: 8330905
    Abstract: A liquid crystal display device capable of reducing manufacturing costs is disclosed. The liquid crystal display device includes first and second substrates facing each other, a liquid crystal layer filled between the first and second substrates, a first common electrode formed in a first pixel region on the first substrate in correspondence with a first subpixel for emitting a light of a first color, and having a first area, wherein a common voltage is applied to the first common electrode, and a second common electrode formed in a second pixel region on the first substrate in correspondence with a second subpixel for emitting light of a second color different from the first color and having a second area different from the first area, wherein the common voltage is applied to the second common electrode.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: December 11, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Mi Kyung Lee, Hyun Suk Jin
  • Patent number: 8330900
    Abstract: A display device including a first prism sheet, a second prism sheet disposed side by side with the first prism sheet, a first display module, and a second display module is provided. The first display module is disposed beneath the first prism and has a first display surface. At least a portion of the first display surface close to the second prism sheet is inclined toward the second prism sheet and forms a first angle with respect to the first prism sheet. The second display module is disposed beneath the second prism sheet and has a second display surface. At least a portion of the second display surface closed to the first prism sheet is inclined toward the first prism sheet and forms a first angle with respect to the second prism sheet.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: December 11, 2012
    Assignee: AU Optronics Corporation
    Inventors: Han-Ping Kuo, Chia-Hao Wu, Chih-Yen Chen
  • Patent number: 8330894
    Abstract: The present invention provides a display device that prevents damage on a display panel even when the display device drops or falls down during handling. The display device includes: a PDP (10) including a front panel (20) and a back panel (30) that have peripheral portions joined to each other by a sealing material (36); a chassis member (44) supporting the PDP (10); and a housing enclosing the PDP (10) and the chassis member (44). The housing includes a front housing portion (41), a front protective glass substrate (43) that closes an opening (54) provided in the front housing portion (41), a side housing portion (51), and a back housing portion (42). A supporting member (55) for forming specified gap D between itself and the front panel (20) is provided on the front protective glass substrate (43) or the front housing portion (41) so as to sit between the sealing material (36) and the opening (54).
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: December 11, 2012
    Assignee: Panasonic Corporation
    Inventor: Yasuo Yokota
  • Patent number: 8330931
    Abstract: A device for controlling the polarization state of transmitted light comprises first and second cell walls enclosing a layer of a chiral liquid crystal material. The material has a uniformly orientated helical axis in the absence of an applied field, and electrodes for applying an electric field substantially normal to the helical axis. An applied electric field flexoelectrically couples to the molecules, causing distortion of the helical structure and hence changes the bulk birefringence of the cell.
    Type: Grant
    Filed: July 4, 2005
    Date of Patent: December 11, 2012
    Assignee: Cambridge Enterprise Limited
    Inventors: Harry J. Coles, Marcus J. Coles, Benjamin J. Broughton, Stephen M. Morris
  • Patent number: 8330896
    Abstract: A liquid crystal display device of the present invention includes a liquid crystal display panel and a backlight for radiating light to the liquid crystal display panel. The backlight includes a hot-cathode tube (linear light source) (21) and ends (21b) of an outer shape of the hot-cathode tube (21) are positioned inside a display region (R1) of the liquid crystal display panel when the liquid crystal display device is seen from a side where an image is displayed, and the hot-cathode tube (21) is positioned to cross a center line (C) of the display region (R1) in a longitudinal direction.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: December 11, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yasuhiro Furusawa
  • Patent number: 8325306
    Abstract: A liquid crystal display device including first and second substrate, with liquid crystal contained therebetween; a plurality of gate bus lines; a plurality of drain bus lines; and first and second sub picture element electrodes. The first sub picture element electrode is not in contact with the second sub picture element electrode. The first sub picture element electrode includes a first body portion and a plurality of first branches extending from the first body portion, with the first branches being separated from each other by a plurality of first slits. The second sub picture element electrode includes a second body portion and a plurality of second branches extending from the second body portion, with the second branches being separated from each other by a plurality of second slits.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: December 4, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
  • Patent number: 8319911
    Abstract: An attachment frame for a display module includes a bezel at a periphery of the display module, and at least one pair of tabs positioned in a plurality of inner sides of the bezel. Each tab includes a fixing portion welded to the bezel and a mounting portion fixed to the display module. The fixing portion forms two positioning posts, and the bezel defines two corresponding positioning holes, and the tabs are positioned relative to the bezel via the engagement of the positioning posts and the corresponding positioning holes.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: November 27, 2012
    Assignees: Fu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Bin Dai
  • Patent number: 8314903
    Abstract: Disclosed are a color substrate, a manufacturing method thereof and a liquid crystal display. The color substrate comprises a substrate; black matrices disposed on the substrate; color pixels whose material is fluorescent material disposed alternately among the black matrices; a flat encapsulation layer covering the black matrices and the color pixel; and a built-in polarizer attached to the flat encapsulation layer. The manufacturing method comprises forming black matrices on a substrate, and forming color pixels of fluorescent material among the black matrices; form a flat encapsulation layer; and form a built-in polarizer. The liquid crystal display by using the color substrate of the present invention further comprises a array substrate, a liquid crystal layer and a back light wherein wavelength of light emitted by the back light is shorter than of equal to stimulated luminescence critical wavelength of fluorescent material of the color pixels on the color substrate.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: November 20, 2012
    Assignee: Boe Technology Group Co., Ltd.
    Inventors: Xibin Shao, Jingwei Liu, Gang Wang, Xiaodong Liu, Jiaheng Wang
  • Patent number: 8305547
    Abstract: A method of manufacturing a polarizer is provided that makes it possible to virtually simultaneously perform a contact of a hydrophilic polymer film with liquid and stretch of the hydrophilic polymer film in a width direction by a tenter method, or the like, using a small and simple manufacturing equipment. A method of manufacturing a polarizer includes a width direction stretching process for stretching a hydrophilic polymer film 1 in the width direction, which is continuously supplied, by gripping both ends in a width direction thereof with grip means 2 and moving the grip means 2 in a longitudinal direction of the film 1 as well as by bringing the film 1 into contact with liquid and also moving the grip means 2, which grips at least one of both ends in the width direction of the film 1, outwardly in the width direction of the film 1; and a dyeing process for dyeing the film 1 by a dichroic material.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: November 6, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Ryota Hatsuda, Seiji Umemoto, Kazuya Hada, Hiroyuki Yoshimi, Satoshi Hirata
  • Patent number: 8300187
    Abstract: A reflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment layer, and a second alignment layer. The first substrate and the second substrate are disposed oppositely to each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes a plurality of liquid crystal molecules for reflecting light within a wavelength range and allowing light beyond the wavelength range to pass through. The second alignment layer is disposed on an inner side of the first substrate facing the second substrate, and the second alignment layer is employed to absorb the light passing through the liquid crystal layer and align the liquid crystal molecules.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: October 30, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Sheng-Fa Liu, Yu-Hsien Chen, Bao-Sian Ciou, Chun-Yu Shen, Huai-An Li
  • Patent number: 8300180
    Abstract: A liquid crystal display (LCD) panel and a manufacturing method thereof are provided. The manufacturing method includes providing a panel including a first substrate having scan lines, data lines, an active device electrically connecting the scan and data lines, and a pixel electrode electrically connecting the active device, a second substrate having an opposite electrode, and a liquid crystal (LC) layer disposed between the first and the second substrates and having a monomer material. A first curing voltage and a second curing voltage are applied to the scan and data lines, respectively. The second curing voltage is thus transmitted to the pixel electrode. The first curing voltage is higher than an absolute value of the second curing voltage. The monomer material is polymerized to form a first polymer stabilized alignment (PSA) layer between the LC layer and the first substrate and a second PSA layer between the LC layer and the second substrate. The electrical field is then removed.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: October 30, 2012
    Assignee: Au Optronics Corporation
    Inventors: Sung-Kao Liu, Hsiang-Lin Lin, Ching-Huan Lin, Chih-Jen Hu
  • Patent number: 8264642
    Abstract: Single-layered color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate structure having a base and periodic protrusion banks. A second substrate structure is disposed opposite the first substrate structure to enclose the periodic protrusion banks, and divide a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectfully filled in each of the color sub-pixel channel, wherein the base and the periodic protrusion banks are made of continuously integral material.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: September 11, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Da-Wei Lee, Jyh-Wen Shiu, Yuan-Chang Liao, Jen-Chieh Yang
  • Patent number: 8259270
    Abstract: A color washout reducing LCD panel including a first substrate, a second substrate and a liquid crystal layer sealed between the first and second substrates is provided. The first substrate includes several thin film transistors (TFTs) arranged in an array and several pixel electrodes each electrically connected to one TFT. Each pixel electrode has a first and a second electrode blocks. The first electrode block has several first slits, wherein a first interval of the first electrode block is perpendicular to the first slits, and a first width of the first electrode block is between any two neighboring first slits. The second electrode block has several second slits, wherein a second interval of the second electrode block is perpendicular to the second slit and not equal to the first interval, and a second width of the second electrode block is between any two neighboring second slits.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: September 4, 2012
    Assignee: Wintek Corporation
    Inventors: Wen-Chun Wang, I-Fang Wang, Ming-Chang Yu, Yung-Cheng Chang
  • Patent number: 8259242
    Abstract: A stereoscopic display device is disclosed. The stereoscopic display device includes a backlight module, a first liquid crystal display panel, a first polarizer, a second liquid crystal display panel, a second polarizer, and a detachable polarizer. The backlight module has a light emitting side. The first polarizer, the first liquid crystal display panel, the detachable polarizer, the second liquid crystal display panel, and the second polarizer are disposed sequentially from the light emitting side. The detachable polarizer is detachably inserted. By designing arrangements of the first polarizer, the second polarizer, and the detachable polarizer, and by limiting the pixel scale relationship between the first liquid crystal display panel and the second liquid crystal display panel, various types of stereoscopic display technologies can be implemented according to the present invention.
    Type: Grant
    Filed: April 17, 2010
    Date of Patent: September 4, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Chao-song Chang, Chen-chi Lin
  • Patent number: 8259251
    Abstract: A backlight module includes a back plate having a through opening area, a carrying element disposed on the back plate, a circuit board disposed on the carrying element and at least one light emitting element disposed on the circuit board and corresponding to the through opening area. An LCD includes an LCD panel having a display area and a non-display area opposite to each other, a backlight module including a back plate, a circuit board and at least one light emitting element and a cover disposed at the LCD panel. The back plate disposed at the non-display area has a through opening area corresponding to the non-display area. The light emitting element is disposed on the circuit board and corresponding to the through opening area. The cover has a surface and covers the through opening area. The surface of the cover faces the through opening area and the non-display area.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: September 4, 2012
    Assignee: AU Optronics Corp.
    Inventors: Shih-Che Fu, Shao-Wei Chang, Sung-Mu Nien, Chao-Chih Wei