Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 9568739
    Abstract: A liquid crystal lens includes a plurality of first stripe-shaped electrodes, a plurality of second stripe-shaped electrodes, and a plurality of third stripe-shaped electrodes. Each first stripe-shaped electrode is disposed between any two of the second stripe-shaped electrodes that are adjacent to each other, and each second stripe-shaped electrode and each first stripe-shaped electrode are arranged along a first direction alternately. The third stripe-shaped electrodes are arranged along a second direction sequentially and interlaced with the first stripe-shaped electrodes and the second stripe-shaped electrodes. Any two of the second stripe-shaped electrodes and two opposite sides of each third stripe-shaped electrode perpendicular to the second direction define a lens region.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: February 14, 2017
    Assignee: WINTEK CORPORATION
    Inventors: Tai-Hsiang Jen, Yan-Yu Su, Yi-Pai Huang, Chong-Yang Fang
  • Patent number: 9557617
    Abstract: Provided is a display device making it possible to reduce or prevent occurrence of an inter-bump short circuit and a short circuit between a terminal and a bump even when the number of conductive particles in an ACF is large. The display device includes a display panel and a driver IC connected to the display panel via the ACF. The driver IC includes an input side bump and an output side bump and has a flow acceleration member on the upstream side of the output side bump relative to a flow direction of the ACF conductive particles when heating and pressurizing the ACF.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: January 31, 2017
    Assignee: Japan Display Inc.
    Inventor: Tomokazu Saitou
  • Patent number: 9557571
    Abstract: According to an embodiment, a liquid crystal lens device includes an optical element and a voltage controller. The optical element includes: a refractive index modulation layer of which a refractive index distribution changes according to a voltage applied thereto; and electrodes to apply a voltage to the refractive index modulation layer. In a first voltage state, the voltage controller controls voltages applied to the electrodes such that a first refractive index distribution is arranged periodically in the optical element. In a second voltage state, the voltage controller controls voltages applied to the electrodes such that a second refractive index distribution is achieved. In an intermediate voltage state, the voltage controller controls a voltage applied to a first-type electrode, to which a first voltage that is the maximum value among the voltages applied to the electrodes in the first voltage state is applied, to a second voltage lower than the first voltage.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: January 31, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masako Kashiwagi, Shinichi Uehara, Ayako Takagi
  • Patent number: 9547206
    Abstract: A liquid-crystal multiple glazing can have a first glass sheet and a second glass sheet held by a gasket referred to as the contact gasket. In some examples, the multiple glazing includes first and second electrodes with first and second electricity supply zones and a liquid-crystal layer with spacers having a thickness of between 5 and 15 ?m. Additionally, the first glass sheet may protrude by a first protruding side and include the first electricity supply zone. Further, the glazing may have electrical cabling with a first cabling input with a first electrically insulating polymer material.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: January 17, 2017
    Assignee: Cardinal IG Company
    Inventor: Jingwei Zhang
  • Patent number: 9529235
    Abstract: A liquid crystal display for improving transmittance includes: a first substrate; and a pixel electrode provided on the first substrate and including a first sub-pixel electrode and second sub-pixel electrode configured to receive different voltages, wherein the first sub-pixel electrode includes a T-shaped stem including a first horizontal stem and a first vertical stem and a first fine branch extending from the T-shaped stem, and the second sub-pixel electrode includes a cross-shaped stem including a second horizontal stem and a second vertical stem and a second fine branch extending from the cross-shaped stem.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Mee Hye Jung
  • Patent number: 9529234
    Abstract: Provided is a liquid crystal display including: a first substrate; a first subpixel electrode which is positioned on the first substrate, to which a first voltage is configured to be applied, and which includes first and second subregions; a second subpixel electrode which is positioned on the first substrate, to which a second voltage is configured to be applied, and which includes a third, fourth, and fifth subregions; an insulating layer which is positioned on the first subregion and the third subregion and positioned below the second subregion and the fourth and fifth subregions; a second substrate facing the first substrate; a common electrode which is positioned on the second substrate and to which a common voltage is configured to be applied; and a liquid crystal layer positioned between the first substrate and the second substrate, in which the first subregion and the fourth subregion overlap with each other.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo Sik Kim, Dan Bi Yang, Min Joo Han
  • Patent number: 9507227
    Abstract: An edge portion of first ground wiring and an edge portion of second ground wiring are in contact with a space containing air having a relative dielectric constant smaller than a liquid crystal relative dielectric constant through an insulating film. An edge portion of common wiring and another edge portion of the first ground wiring are in contact with a sealing material having a relative dielectric constant smaller than the liquid crystal relative dielectric constant through the insulating film.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: November 29, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Isao Nojiri, Takeshi Shimamura
  • Patent number: 9500914
    Abstract: Provided is a liquid crystal display apparatus. The liquid crystal display apparatus may include a first pixel electrode, a second pixel electrode, a common electrode, and a liquid crystal layer. The first pixel electrode is disposed in a first area, and includes a plurality of outer branches spaced apart from each other. The second pixel electrode is disposed in a second area spaced apart from the first area with an electrode gap therebetween and surrounded by the first area, and includes a plurality of middle branch portions spaced apart from each other. An extending direction of the electrode gap forms one of an acute angle or an obtuse angle with an extending direction of each of the outer branch portions, and the extending direction of the electrode gap forms one of an acute angle or an obtuse angle with an extending direction of each of the middle branch portions.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hong Park, Ohjeong Kwon, Dong-Chul Shin, Heungshik Park, Hyeokjin Lee, Kichul Shin
  • Patent number: 9500911
    Abstract: Provided is a liquid crystal display panel in which both the prevention of low-temperature bubble defects and the prevention of unevenness in brightness by pressure can be achieved without the need of forming multiple types of spacers differing in the height. In a liquid crystal display panel comprising a plurality of spacers 14 arranged between a pair of transparent substrates 11 and 12 and a liquid crystal 13 encapsulated between the transparent substrates, the spacers 14 are of a uniform height and each spacer 14 is substantially in a trapezoidal shape in which the ratio between the top area and the bottom area is 0.3 or less. The spacers 14 are formed on one of the transparent substrates 11 and 12. The spacers 14 are arranged at appropriate density so that the contact area ratio of the spacers' top surfaces in contact with the opposing substrate per unit area is within a range of 0.8%-1.0%.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: November 22, 2016
    Assignee: Japan Display Inc.
    Inventors: Toshimasa Ishigaki, Daisuke Sonoda, Miharu Otani, Tsutomu Ishibashi
  • Patent number: 9502440
    Abstract: A novel display device capable of excellent reflective display is provided. The display device includes a transistor including a gate electrode layer, a gate insulating layer over the gate electrode layer, a semiconductor layer over the gate insulating layer, and a source electrode layer and a drain electrode layer over the gate insulating layer and the semiconductor layer; a reflective electrode layer on the same plane as the source electrode layer and the drain electrode layer; a coloring layer overlapping with the reflective electrode layer; a pixel electrode layer overlapping with the coloring layer; and an anti-oxidation conductive layer connected to one of the source electrode layer and the drain electrode layer. The pixel electrode layer is connected to the transistor through the anti-oxidation conductive layer.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: November 22, 2016
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Masataka Nakada, Hidenori Mori, Hisashi Ohtani
  • Patent number: 9495041
    Abstract: Touch-related information which cannot be acquired by the naked eye (dubbed here as sub-optical pattern information) has its corresponding sub-optical patterns respectively positioned within the aperture areas of respective domains such that the displayed image, as viewed from different viewing angles is not adversely affected by the embedded sub-optical patterns. One type of touch-related information which can be conveyed is that of touch location of a sub-optical pattern sensing pen positioned over one or more of the sub-optical patterns.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Soo Baek, Woong Kwon Kim, Sang Ho Kim, Jae-Jin Song, Sang Wook Lee, Hea Chun Lee, Young Goo Song, Nam-Heon Kim, Dae Cheol Kim, Sung Ryul Kim, Jung Suk Bang, Ki Hun Jeong
  • Patent number: 9488874
    Abstract: Provided is a liquid crystal display. The liquid crystal display comprises a substrate having a plurality of pixel areas; a first electrode on the substrate in each of the pixel areas; a fine space layer positioned on the first electrode; a roof layer defining the fine space layer between the substrate and the roof layer and including a liquid crystal injection port; a second electrode on a bottom surface of the roof layer; and a supporter on the liquid crystal injection port and divided into a plurality of portions to define a filling space.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Soo Bae, Sung Woo Cho, Yeun Tae Kim, Sung Hwan Won
  • Patent number: 9488879
    Abstract: A liquid crystal lens panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a plurality of first electrodes disposed on the first base substrate. The second substrate includes a second base substrate disposed to face the first base substrate, the second substrate further including a plurality of second electrodes disposed on the second base substrate. Each of the first base substrate and the second base substrate are rectilinearly shaped to comprise corresponding first sides and second sides, the plurality of first electrodes and the plurality of second electrodes are inclined with respect to the corresponding first sides or second sides, and the plurality of first electrodes comprise a first inclination angle different from a second inclination angle associated with the plurality of second electrodes.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Bae Kim, Hae-Young Yun, KyungHo Jung, Seung Jun Jeong, Jin-Hwan Kim
  • Patent number: 9488885
    Abstract: A display apparatus includes a first substrate including a pixel electrode including a first pattern inclined at first and second angles with respect to a center line and a second substrate including a common electrode including a second pattern alternately arranged with the first pattern. The first angle is about +35 degrees to about +45 degrees and the second angle is about ?35 degrees to about ?45 degrees.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haksun Chang, Cheol Shin, Jang Wi Ryu, Jae-Soo Jang, Kichul Shin
  • Patent number: 9482918
    Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: November 1, 2016
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 9485857
    Abstract: A flat panel display apparatus for reducing a bezel size and a method for manufacturing the same. The flat panel display apparatus includes a lower substrate having a display area and a peripheral area surrounding the display area, an upper substrate corresponding to the lower substrate, a sealing member disposed along the peripheral area of the lower substrate and bonding the lower substrate and the upper substrate, a first flexible layer disposed on a surface of the lower substrate in a direction facing the upper substrate, in the peripheral area of the lower substrate, the first flexible layer extending to an outside of the lower substrate, and a first wiring disposed between the lower substrate and the sealing member and extending to the outside of the lower substrate and along the first flexible layer.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Jin Park, Bum-Soo Kam, Ha-Young Park, Gil-Hwan Yeo
  • Patent number: 9478179
    Abstract: A display and methods of driving the display, where the display includes a plurality of pixels, where some colors are present in every pixel, and some colors are only present in less than all of the pixels.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Shmuel Roth, Moshe Ben-Chorin, Doron Malka, Dan Eliav
  • Patent number: 9454044
    Abstract: A liquid crystal display device having 2 pixel multi-domain type pixels, in which columnar spacers are disposed in optimal positions. Each of plural video lines has a first portion in which an acute-angled crossing angle of two crossing angles crossing each of scanning lines becomes a positive angle in a clockwise direction from each of the scanning lines, and a second portion in which an acute-angled crossing angle of the two crossing angles crossing each of scanning lines becomes a negative angle in the clockwise direction from each of the scanning lines. The first and second portions are alternately disposed so as to hold the scanning line between them.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: September 27, 2016
    Assignee: Japan Display Inc.
    Inventors: Hiroaki Komatsu, Saori Sugiyama
  • Patent number: 9448448
    Abstract: A liquid crystal display device includes a TFT substrate, a CF substrate, and a liquid crystal interposed between the TFT substrate and the CF substrate, and drives the liquid crystal in a horizontal electric field. The TFT substrate includes a recess, and the CF substrate includes a columnar protrusion. The protrusion of the CF substrate is fitted to the recess of the TFT substrate so as to function as a stopper for preventing a positional gap between the TFT substrate and the CF substrate.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: September 20, 2016
    Assignee: Japan Display Inc.
    Inventors: Yasushi Tomioka, Takato Hiratsuka, Osamu Itou
  • Patent number: 9448436
    Abstract: In the present invention, a backlight (3) serving as a planar light source unit is equipped with: multiple LEDs (12); and a bottom plate (11a) having a mounting surface (11a1). The multiple LEDs (12) are two-dimensionally arranged on the mounting surface (11a1) within a rectangular area (RA) that is smaller than the bottom plate (11a). In addition, the arrangement density of the LEDs in the rectangular area (RA) is lower at the center part (Rc) than at the peripheral part (Rp). The rectangular area (RA) has a corner area, where at least one LED (12) is provided, at each of the four corners thereof. The LEDs (12) positioned in the respective corner areas are installed such that the central axes of the LEDs lean toward the periphery side of the rectangular area (RA) with respect to the direction perpendicular to the mounting surface (11a1).
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: September 20, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kohji Sakai