Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 9874673
    Abstract: Embodiments of the disclosure provide a backlight module and display device. The backlight module comprises: a light guide plate (1), a PCB substrate (2) disposed at a side of the light guide plate (1); wherein a side of the PCB substrate (2) facing the light guide plate (1) is provided with a plurality of groups of light source devices (3); a side of the light guide plate (1) facing the PCB substrate (2) is provided with a plurality of recesses for accommodating the light source devices; a plurality of projections (111) disposed on an inner surface of the recess (11).
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: January 23, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lin Zhu, Yanbing Wu, Hao Wang
  • Patent number: 9864236
    Abstract: The present invention provides a method for manufacturing a liquid crystal display device capable of suppressing display unevenness around a seal in the case of performing PS treatment on a horizontal alignment film formed from a photoactive material. The method for manufacturing a liquid crystal display device of the present invention includes the steps of: forming a horizontal alignment film containing a photoactive material on at least one substrate of a pair of substrates; dropping a liquid crystal composition containing a liquid crystal material and a monomer on one of the pair of substrates, the monomer being contained in an amount of 1.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: January 9, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Isamu Miyake, Koichi Miyachi, Yuko Teraoka
  • Patent number: 9851616
    Abstract: A method for directing light beams includes generating a light beam along a light path. A voltage differential is created by generating a voltage in a first and second linear electrode contacts arranged such that the first and second linear electrical contacts alternate with each other. The light path is altered by passing the light beam through a liquid crystal device coupled to the first and second linear electrical contacts.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 26, 2017
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Sajjad A. Khan
  • Patent number: 9823501
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first insulative substrate extending over a first area and a second area, a common electrode and a pixel electrode which are formed in the first area, and a pad of ground potential which is formed in the second area, a second substrate including a second insulative substrate, a liquid crystal layer held between the first substrate and the second substrate, a cover glass extending over the first area and the second area, a transparent, electrically conductive layer formed on an inner surface of the cover glass over the first area and the second area, and a connection member configured to electrically connect the electrically conductive layer and the pad in the second area.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: November 21, 2017
    Assignee: Japan Display Inc.
    Inventor: Kazuhiro Joten
  • Patent number: 9810937
    Abstract: A transparent display panel and a color filter substrate are proposed. The color filter substrate includes a substrate, a color resistant layer disposed on a color resistant section of the substrate, a transparent material layer disposed on a transparent section of the substrate and comprising transparent units, a protective layer disposed on both of the color resistant layer and the transparent material layer, and an electrode layer disposed on the protective layer. Users can see components behind the transparent display panel easily and clearly.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: November 7, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yu-Chun Hsiao, Shih Hsiang Chen, Guofu Tang, Quan Li, Chengling Lv, Chaofan Guo
  • Patent number: 9804450
    Abstract: Provided is a liquid crystal display capable of reducing a texture by increasing a liquid crystal control ability. The liquid crystal display includes a first electrode and a second electrode facing each other with a liquid crystal layer therebetween. The first electrode includes a horizontal extension forming a boundary between adjacent subregions and a vertical extension connected to the horizontal extension, and the horizontal extension includes a portion which has a largest width at a position proximate to the vertical extension, and which has a smaller width at a position farther from the vertical extension.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: October 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Bum Park, Dong Hee Shin, Kyung Ho Kim, Ho Kyung Kim, Yoo Mi Ra
  • Patent number: 9788412
    Abstract: Techniques and arrangements for forming ground bonds between a plurality of components are provided. In one form, a grounding arrangement includes a first circuit board including a first ground plane and a flange member electrically coupled to the first ground plane. The arrangement also includes a second circuit board including a second ground plane, and a polymeric member including an electrically conductive coating. The polymeric member forms a bond between the first ground plane, the flange member, and the second ground plane. In one particular but non-limiting aspect of this form, the grounding arrangement is utilized in a human machine interface having a liquid crystal display. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the description and drawings.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: October 10, 2017
    Assignee: Trane International Inc.
    Inventors: Steven K. Klingemann, Alejandro Jimenez
  • Patent number: 9780127
    Abstract: A liquid crystal display includes: an insulation substrate; a thin film transistor including gate and data lines on the insulation substrate; a passivation layer on the thin film transistor; a pixel electrode on the passivation layer and including a first subpixel electrode to which a first voltage is applied and a second subpixel electrode to which a second voltage is applied; a shielding electrode on the passivation layer and applied with a common voltage; a first microcavity on the pixel electrode and injected with a liquid crystal material; a second microcavity on the shielding electrode and injected with the liquid crystal material; a common electrode on the first and second microcavities and separated from the pixel electrode and the shielding electrode by the first and second microcavities; a roof layer on the common electrode;; and an overcoat on the roof layer to seal the first and second microcavities.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Je Hyeong Park, Eun-Kil Park, Seung Ho Yang, Chang Il Tae
  • Patent number: 9759967
    Abstract: A liquid crystal display device includes a thin film transistor substrate having a pixel region and a frame region, and a color filter substrate. The frame region includes a first metal wire that surrounds the outside of the pixel region, and a second metal wire that is formed so as to surround the outside of the first metal wire. The first metal wire has at least one slit at an area overlapping with a seal material.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: September 12, 2017
    Assignee: Japan Display Inc.
    Inventors: Kenji Kitajima, Ryouhei Suzuki
  • Patent number: 9759949
    Abstract: The present invention provides a liquid crystal display panel and a liquid crystal display device having excellent display quality, with reduced string-like defects that occur in display pixels. The liquid crystal display panel of the present invention includes multiple spacers between a pair of substrates, wherein the spacers are arranged such that an inter-spacer distance between adjacent spacers in a longitudinal direction is different from an inter-spacer distance between adjacent spacers in a transverse direction, and an angle formed between a line connecting the spacers with a shorter inter-spacer distance and an alignment direction of liquid crystal molecules at a voltage lower than a threshold voltage in the liquid crystal layer is 20° or smaller.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: September 12, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Isamu Miyake, Koichi Miyachi
  • Patent number: 9753318
    Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: September 5, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo
  • Patent number: 9753340
    Abstract: In a display device that a terminal of a display panel is connected to bumps of the driver IC via an ACF, the driver IC includes input-side and output-side bump arrays arranged along mutually facing long sides. In configurations of the driver IC, a width A of a short side thereof ?1.45 mm, a thickness thereof B ?0.20 mm, a dimension C between input-side and output-side bumps ?1.10 mm, a length D of each bump ?98 ?m, a minimum dimension F between the bumps ?15 ?m, a number of arrays G of the output-side bump ?2 (two arrays) and a particle size E of a conductive particle contained in the anisotropic conductive film ?3.5 ?m, not more than six configurations are included.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: September 5, 2017
    Assignee: Japan Display Inc.
    Inventor: Tomokazu Saitou
  • Patent number: 9746723
    Abstract: A liquid crystal display (LCD) device improves an aperture ratio and stabilizing a storage voltage, including a first substrate; a second substrate opposed to the first substrate; a liquid crystal layer between the first substrate and the second substrate; a gate line and a data line on the first substrate; a semiconductor layer overlapping the gate line; a first drain electrode overlapping the gate line and the semiconductor layer and connected to the data line; a first source electrode overlapping the gate line and the semiconductor layer; a first sub-pixel electrode connected to the first source electrode; a second drain electrode overlapping the gate line and the semiconductor layer and connected to the first drain electrode; a second source electrode overlapping the gate line and the semiconductor layer; and a second sub-pixel electrode connected to the second source electrode. The second source electrode overlaps the gate line more than the first source electrode does.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gunwoo Yang, Keunwoo Kim, Youngseung Kim, Sooyoung Park, Kichan Jeon, Munsoo Park
  • Patent number: 9733522
    Abstract: The present disclosure provides a liquid crystal display device and a method for manufacturing the same. The device includes: a first substrate; a second substrate spaced apart from and opposite to the first substrate; a first lower alignment layer formed on an upper surface of the first substrate; a first upper alignment layer formed on a lower surface of the second substrate; a second alignment layer formed in an array on either or both of an upper surface of the first lower alignment layer and a lower surface of the first upper alignment layer; a polymer barrier positioned between the first substrate and the second substrate, the polymer barrier formed on the array of the second alignment layer; and a liquid crystal positioned between the polymer barriers.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: August 15, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Wonjin Choi, Sejin Jang
  • Patent number: 9720291
    Abstract: A liquid crystal display includes: a first substrate; a gate line disposed on the first substrate; an insulating layer disposed on the gate line; and first and second subpixel electrodes respectively including pixel branch electrodes, wherein the first and second subpixel electrodes respectively comprise first and second regions, the first and second regions of the first subpixel electrode have a polygonal shape where two sides meet in a diagonal line, and one of sides of the polygon, excluding the diagonal line, is perpendicular to the gate line, the first and second regions of the second subpixel electrode have grooves disposed at one of sides thereof corresponding to the shape of the first subpixel electrode, the first and second regions of the first subpixel electrode are connected with each other, and the first and second regions of the second subpixel electrode are connected with each other.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: August 1, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Ki Chul Shin, Dan Bi Yang
  • Patent number: 9709837
    Abstract: An electro-optical devices includes: a first substrate; a second substrate having one surface opposite to the first substrate; a support member configured to hold the first and second substrates with the second substrate located outside the first substrate, and to include a frame portion surrounding the first and second substrates; a first conductive film formed on the other surface of the second substrate; and a conductor layer placed between the frame portion and the first and second substrates, and electrically connected to the first conductive film. The first conductive film is held at a constant potential via the conductor layer.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: July 18, 2017
    Assignee: Japan Display Inc.
    Inventor: Yasunori Onishi
  • Patent number: 9703131
    Abstract: The present disclosure provides a method for manufacturing a liquid crystal panel motherboard, comprising providing materials that can form projections on a margin area of at least one of two substrates of the liquid crystal panel motherboard, and then fitting said two substrates to each other, so that the margin area of said at least one of the two substrates cannot be fit to a corresponding margin area of the other substrate seamlessly. The present disclosure also provides a method for cutting a liquid crystal panel motherboard, and a liquid crystal panel obtained from the liquid crystal motherboard.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 11, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tao Ma, Tao Song, Ming Liu, Guodong Zhao
  • Patent number: 9696577
    Abstract: According to one embodiment, a reflective type liquid crystal display device provided can suppress light leakage into a thin film transistor due to entry of extraneous light. An array substrate includes a glass substrate, a plurality of thin film transistors, a plurality of pixel electrodes, and a metal film. The plurality of thin film transistors are provided to the glass substrate. The plurality of pixel electrodes are spaced apart from each other and driven by the thin film transistors. The plurality of pixel electrodes reflect extraneous light entering the reflective type display device from a counter substrate side. The metal film is provided between a gap between the pixel electrodes and each of the thin film transistors.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: July 4, 2017
    Assignee: Japan Display Inc.
    Inventors: Muneharu Akiyoshi, Kisako Ninomiya, Yasushi Kawata, Hirotaka Hayashi, Arichika Ishida
  • Patent number: 9698174
    Abstract: An array substrate includes a base substrate including a display area and a peripheral area adjacent to the display area, a gate line extending in a first direction, a data line extending in a second direction crossing the gate line, a switching element electrically connected to the gate and data lines, a color filter pattern and a dummy color pattern in the display and peripheral areas, respectively, a pixel electrode on the color filter pattern, and a light blocking pattern including a black matrix pattern partially overlapping the color filter pattern and a black boundary pattern overlapping the dummy color pattern. The black boundary pattern covers the peripheral area and includes a first portion which overlaps the dummy color pattern and a second portion which does not overlap the dummy color pattern. A cross-sectional thickness of the first portion is smaller than that of the second portion.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Hun Kwak, Chul Huh
  • Patent number: 9671649
    Abstract: A phase modulator for polarized light, comprising a first substrate with a first surface and a second substrate with a second surface, a liquid crystal layer between the two substrates and an electrode arrangement. The phase modulator is usable as a variable deflection grating, and liquid crystal materials which are currently conventional are usable for its production. A phase modulator has an out-of-plane angle of the liquid crystal molecules next to the two surfaces whose magnitude is greater than 0 but less than or equal to 45 degrees, and an electrode arrangement controllable such that an in-plane component of the liquid crystal molecule orientation is adjustable in an angle range of up to 180 degrees, and the rotation sense of the liquid crystal molecules next to the first surface is opposite to the rotation sense of the liquid crystal molecules next to the second surface.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: June 6, 2017
    Assignee: SEEREAL TECHNOLOGIES S.A.
    Inventor: Norbert Leister