Patents Examined by Paisley L Arendt
  • Patent number: 9235079
    Abstract: A color filter substrate for use in a fringe-field switching mode liquid crystal display wherein the color filter substrate and an array substrate provided with a comb-shaped pixel electrode having an electrode width of 10 ?m or less are arranged facing each other with a liquid crystal layer interposed therebetween. The color filter substrate comprises a transparent substrate, a black matrix provided on the transparent substrate, includes an organic pigment as a main coloring agent, color pixels having a relative dielectric constant of 2.9 or more but 4.4 or less, and a transparent resin layer provided on the color pixels. The relative dielectric constant of each of the color pixels falls within ±0.3 of an average relative dielectric constant of the color pixels.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: January 12, 2016
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Nozomi Onaka, Yasuhiro Hibayashi, Hidesato Hagiwara, Kenzo Fukuyoshi
  • Patent number: 9223424
    Abstract: An electronic device may have structures that are coupled together using conductive adhesive such as anisotropic conductive film and other adhesives. The structures that are coupled together may include a touch sensor structure formed from electrodes on the inner surface of a display cover layer, a display module having display layers such as a thin-film transistor layer, and circuitry mounted on substrates such as printed circuits. Conductive signal path structures may be used in routing signals within the electronic device. The conductive signal path structures may be formed from pins that are embedded within injection molded plastic, from metal traces such as laser-deposited metal traces that are formed on the surface of a plastic member or other dielectric, from metal structures that run within channels in a plastic, printed circuit traces, and other signal path structures.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: December 29, 2015
    Assignee: Apple Inc.
    Inventors: Erik G. de Jong, Anna-Katrina Shedletsky, Fletcher R. Rothkopf
  • Patent number: 9217904
    Abstract: According to one embodiment, a liquid crystal display device includes, a first substrate including a switching element which is electrically connected to a gate line and a source line and includes a drain electrode opposed to a storage capacitance line, a pixel electrode which includes a main pixel electrode extending in a second direction and a sub-pixel electrode which extends in a first direction at a position inside a position above an edge of the drain electrode and is put in contact with the drain electrode, a second substrate including a common electrode, and a liquid crystal layer.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: December 22, 2015
    Assignee: Japan Display Inc.
    Inventors: Yusuke Morita, Jin Hirosawa, Hirokazu Morimoto, Masakatsu Kitani
  • Patent number: 9213193
    Abstract: There is disclosed a lightweight and small liquid crystal display which achieves low power consumption and in which the optical anisotropy of the liquid crystal material is compensated for in order to enhance the viewing angle characteristics and the response speed of the liquid crystal material. Display electrodes and a common electrode are formed on one of the substrates. The orientation of the liquid crystal material is of the HAN (hybrid alignment nematic) type. This compensates for the optical anisotropy of the liquid crystal material and improves the response speed.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: December 15, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Takeshi Nishi
  • Patent number: 9207460
    Abstract: The present disclosure relates to a patterned retarder type display device having a black strip and a method for manufacturing the same. The present disclosure suggests a patterned retarder type display device comprising: a first substrate having a display area in which unit pixels are disposed in a matrix type and a non-display area surrounding the display area; a second substrate joined with the first substrate by a sealant disposed in the non-display area; a liquid crystal layer disposed between the first substrate and the second substrate; a plurality of a horizontal black strip disposed along a horizontal border distinguishing the unit pixel on an outer surface of the first substrate; and an outer strip covering the non-display area on the outer surface of the first substrate.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 8, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Heeyoung Chae
  • Patent number: 9201452
    Abstract: An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the liquid crystal display. A reflector may be used to enhance backlight efficiency. The electronic device may have a housing in which the display is mounted. The housing may be formed from an opaque material such as metal. An opening may be formed in the housing. Transparent housing structures such as a transparent logo structure may be mounted in the opening of the housing. During operation, a light source may produce light that passes through the transparent logo structure. A light guide structure may be used to guide light from the light source to the transparent logo structure. The reflector may be formed from a coating of metal on the light guide structure. Light from the light source may be used to form the backlight for the backlight structures.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: December 1, 2015
    Assignee: Apple Inc.
    Inventors: Jun Qi, Victor H. Yin
  • Patent number: 9201281
    Abstract: A liquid crystal display includes a common electrode for receiving a common voltage. The liquid crystal display further includes a pixel electrode for receiving a data voltage, the pixel electrode being associated with a pixel of the liquid crystal display. The liquid crystal display further includes a switching element electrically connected to the pixel electrode for controlling transmission of the data voltage. The liquid crystal display further includes a liquid crystal layer disposed between the common electrode and the pixel electrode. The liquid crystal display further includes a plate electrode electrically connected to the switching element and including a plate that overlaps the pixel electrode, wherein the pixel electrode spans a larger area than the plate. The pixel electrode and the plate electrode are equipotential.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youn Hak Jeong, Gak Seok Lee, Ki Chul Shin
  • Patent number: 9188804
    Abstract: Thermochromic liquid crystal filters are fabricated by providing two polarizers oriented at offset polarity with respect to each other; providing alignment structures adjacent the inner surfaces of the polarizers; placing a plurality of spacers between the polarizers; and filling a space created by the spacers with a thermotropic liquid crystal that acts as a wave block in an isotropic state and acts to rotate the polarization of light in a nematic state. Alternatively, the filters can be created by encapsulating a thermochromic liquid crystal with a polymer material to form a flexible film and orienting the thermochromic liquid crystal in the polymer material to create a structure that functions as a thermochromic optical filter. Such filters can control the flow of light and radiant heat through selective reflection, transmission, absorption, and/or re-emission.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 17, 2015
    Assignee: RAVENBRICK LLC
    Inventors: Richard M. Powers, Wil McCarthy, Matthew Bryant Kish
  • Patent number: 9188808
    Abstract: A display device including a transmission display panel, a first backlight module, a first polarizer, and a reflective polarizer is provided. The first backlight module includes a first light guide plate and a light emitting unit. The first light guide plate has a first surface, a second surface opposite to the first surface, and a first light incident surface connecting the first surface and the second surface. The first surface is between the second surface and the transmission display panel. The light emitting unit is disposed beside the first light incident surface. The transmission display panel is between the first polarizer and the first surface. The second surface is between the first surface and the reflective polarizer.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: November 17, 2015
    Assignee: Young Lighting Technology Inc.
    Inventors: Chin-Ku Liu, Cheng-Hsi Hsieh
  • Patent number: 9182635
    Abstract: A liquid crystal display device includes: a pair of substrates that are bonded together with a sealing member having a closed loop shape that is formed around a display region with a space maintained from the display region; and a liquid crystal layer that is disposed between the pair of substrates so as to maintain a cell gap of a predetermined thickness, wherein, between the display region and the sealing member, a cell thick area, in which a cell gap larger than the cell gap of the display region is formed, is formed.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: November 10, 2015
    Assignee: Japan Display Inc.
    Inventor: Hayato Kurasawa
  • Patent number: 9175957
    Abstract: Brightness-by-column grayscale and spatial ?-? modulation grayscale allow grayscale patterns to be produced using a binary spatial light modulator as fast as the bright/dark switching speed.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: November 3, 2015
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Patent number: 9176346
    Abstract: The embodiment of present invention discloses a liquid crystal display panel and a liquid crystal display. The liquid crystal display panel comprises: a color filter substrate and an array substrate, which are assembled oppositely to form a cell; a liquid crystal layer provided between the color filter substrate and the array substrate; and a layered structure adapted to drive rotation of liquid crystal in the liquid crystal layer and comprising a gate metallic layer, a pixel electrode layer and a common electrode layer, wherein the gate metallic layer comprises a gate wiring, the common electrode layer comprises a first auxiliary electrode and a common electrode that are electrically-insulated, the pixel electrode layer comprises a pixel electrode, and the common electrode and the pixel electrodes are used to form an electric field for driving the liquid crystal; and wherein the first auxiliary electrode and the gate wiring are electrically connected so as to be connected in parallel in circuit.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: November 3, 2015
    Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shijun Wang, Xiaochuan Chen
  • Patent number: 9176344
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other; a switching element disposed on the first substrate; a pixel electrode connected to the switching element and supplied with a data voltage; an opposing electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules. The pixel electrode includes a cutout and a liquid crystal direction controller that are alternately disposed. The cutout and the liquid crystal direction controller divide the pixel electrode into a plurality of sub-regions, and inclination directions of the liquid crystal molecules are different according to the plurality of sub-regions when the pixel electrode is supplied with the data voltage. The liquid crystal direction controller is concave downward or convex upward with respect to a surface of the first substrate.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: November 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn-Hak Jeong, Hee-Hwan Lee, Keun-Chan Oh, Jae-Jin Lyu, Yoon-Sung Um
  • Patent number: 9170426
    Abstract: An array substrate includes: a substrate; first and second gate lines on the substrate; first and second common lines parallel to and spaced apart from the first and second gate lines; first and second data lines crossing the first and second gate lines and the first and second common lines; first and second thin film transistors in the pixel region; a first pixel electrode and a first common electrode alternately disposed in the first area, at least one of the first pixel electrode and the first common electrode having a bent part; and a second pixel electrode and a second common electrode alternately disposed in the second area.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: October 27, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: You-Yong Jin, Kwang-Jo Hwang, Eui-Tae Kim, Seok Kim, Han-Chul Park
  • Patent number: 9170459
    Abstract: A liquid crystal display device includes: a pair of substrates disposed to face each other with a predetermined distance therebetween; a seal pattern, provided between the pair of substrates and has a closed-loop shape to surround and seal a liquid crystal, wherein the liquid crystal is provided in a form of a plurality of droplets on one of the pair of substrates and then is sandwiched between the pair of substrates, so that the plurality of droplets are respectively spread and sealed in a region surrounded by the seal pattern; and a dummy pattern, which is formed on the one substrate in the region surrounded by the seal pattern and has a height less than half of the predetermined distance, the dummy pattern being arranged adjacent to and in parallel to the seal pattern and in a range to which one droplet is spread out.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: October 27, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventor: Takashi Taguchi
  • Patent number: 9164323
    Abstract: A display device comprises a VA liquid crystal display unit as well as a front side polarizer and a rear side polarizer arranged respectively at both side of the VA liquid crystal display unit; wherein the VA liquid crystal display unit has an optical path difference ?nd of 324.3 nm to 305.8 nm at the wavelength of 550 nm; the front side polarizer is arranged at a side in the light-exiting direction of the VA liquid crystal unit; one of the front side polarizer and the rear side polarizer includes the biaxial compensation film, which has an in-plane delay Ro of 50.4-78 nm at the wavelength of 550 nm and a thickness direction delay Rth-b of 168-260 nm at the wavelength of 550 nm. The amount of light leakage is significantly reduced with the contrast close to the horizontal viewing angle obviously increased and the display effect further improved.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: October 20, 2015
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chih-Tsung Kang, Bo Hai
  • Patent number: 9146428
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The second substrate includes a buffer layer, and the buffer layer includes a recessed portion. A spacer is disposed between the first substrate and the second substrate, such that a portion of the spacer is extended into the recessed portion. A bottom surface of the recessed portion contacts an upper surface of the spacer. A shortest line crossing a center of the bottom surface of the recessed portion is longer than a longest line crossing a center of the upper surface of the spacer, by about 14 micrometers to about 20 micrometers.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soon Jang, Soo-Hye Ryu, YiSeop Shim, Chul Huh
  • Patent number: 9140932
    Abstract: The present invention relates to a liquid crystal display (LCD) and a manufacturing method thereof; the LCD comprises a backlight module and a display panel; an included angle ?pb is between a normal direction of a light emission surface of the backlight module and a normal direction of a light emission surface of the display panel. By changing the relative positions of the display panel and the backlight module, the LCD and the manufacturing method thereof of the present invention decrease the phenomenon of asymmetrical light field in the LCD.
    Type: Grant
    Filed: April 28, 2012
    Date of Patent: September 22, 2015
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Kuangyao Chang
  • Patent number: 9140946
    Abstract: The present invention provides a pixel structure that increases response speed of liquid crystal, which includes a first thin-film transistor, a second thin-film transistor, an upper substrate, a lower substrate opposite to the upper substrate, pixel electrodes arranged on the lower substrate, a common electrode arranged on the upper substrate, and assisting electrodes arranged on the lower substrate. The assisting electrodes are arranged to be each sandwiched between every two pixel electrodes. The first thin-film transistor includes a first drain terminal, a first source terminal, and a first gate terminal. The second thin-film transistor includes a second drain terminal, a second source terminal, and a second gate terminal. The pixel electrodes are electrically connected to the second drain terminal. The assisting electrodes are electrically connected to the first drain terminal.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: September 22, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chiachiang Lin, Hunglung Hou
  • Patent number: 9140944
    Abstract: A nanocrystal display device includes a plurality of pixels; a gate line extended in a row direction; a data line extended in a column direction; and a second insulating layer on the data line. Each pixel includes first and second pixel areas adjacent to each other in the column direction; first and second pixel electrodes on the second insulating layer of the first and second pixel areas; a first black matrix on the second insulating layer, and having a step difference greater than that of the first and second pixel electrodes; a common electrode extended in the row direction, contacting the first black matrix and spaced apart from the second insulating layer in the first and second pixel areas, and a tunnel-shaped cavity between the common electrode, the first black matrix and the second insulating layer; and a liquid crystal layer in the tunnel-shaped cavity.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Meehye Jung, Sunhwa Lee, Sunghwan Won, Chongchul Chai