Patents Examined by Paul Lee
  • Patent number: 10031379
    Abstract: A liquid crystal display device includes: a first substrate; a pixel electrode formed on the first substrate; a second substrate corresponding to the first substrate; and a common electrode formed on the second substrate. The pixel electrode includes: a central electrode, an outer portion connected to the central electrode and extending along an edge of the pixel electrode; and a fine branch portion extending from a side of the central electrode and spaced apart from the outer portion, wherein a cross-shaped opening is formed in the common electrode.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Cheol Shin, Hak Sun Chang, Ka Eun Kim, Ki Chul Shin
  • Patent number: 10031387
    Abstract: A liquid crystal display includes: a first substrate on which a plurality of pixel areas are formed; first to fourth color filter layers comprising a plurality of color filters disposed in the pixel areas and having four different colors in four adjacent pixel areas; a plurality of pixel electrodes disposed on the color filter layers corresponding to the respective pixel areas; a second substrate coupled to and facing the first substrate; and a common electrode disposed on one of the first substrate and the second substrate, wherein the first to fourth color filter layers are disposed in a 2×2 matrix, and wherein at least one color filter from among the color filters is wider in a row direction and a column direction of the first substrate than the remaining color filters so as to cover a contact point at which the four adjacent pixel areas meet.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wan-Soon Im, Hyung June Kim
  • Patent number: 10018864
    Abstract: A liquid crystal display device is provided. A liquid crystal display device, comprising: a first substrate and a second substrate facing each other; a liquid crystal layer disposed between the first substrate and the second substrate; a semiconductor layer disposed on the first substrate and including a channel area upon which a source electrode and a drain electrode are spaced apart from each other while facing each other; an organic layer disposed on the channel and including an opening that exposes at least a part of the channel area; and a common electrode disposed on the organic layer and including a first opening that extends across the channel area.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG DISPLAY, CO., LTD.
    Inventors: Jung Hun Noh, Keun Kyu Song, Hyun Sup Lee, Sang Hee Jang, Byung Seok Choi
  • Patent number: 10018863
    Abstract: A display device is disclosed. The display device includes a display panel including a front substrate and a back substrate, a guide panel positioned at an edge of a back surface of the display panel, a frame positioned in the rear of the display panel and connected to the guide panel, and a back cover positioned in the rear of the frame and inserted into the frame in a sliding manner.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 10, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Hayun Lee, Bumgi Min, Wansik Kim, Mingeun Jeong, Cheolsoo Kim
  • Patent number: 10012877
    Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a second line extending in a second direction, a first interlayer insulating film, a first electrode, a second interlayer insulating film, and a second electrode, a second substrate, a liquid crystal layer containing liquid crystal molecules initially aligned in the second direction, a first polarizer having a first transmission axis perpendicular or parallel to the second line, and a second polarizer having a second transmission axis orthogonal to the first transmission axis.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 3, 2018
    Assignee: Japan Display Inc.
    Inventor: Toshiyuki Higano
  • Patent number: 10007132
    Abstract: Provided are a display panel and a thin film transistor array substrate. According to one or more exemplary embodiments, a display panel includes: a first substrate including a pixel area and a non-pixel area; a second substrate that faces the first substrate; and a crack guide groove disposed on a surface of at least one of the first substrate and the second substrate.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: June 26, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Gap Yoon, Ji Eun Jang, Kyung Seon Tak, Keun Chan Oh
  • Patent number: 9995970
    Abstract: The object can be achieved by the following structure. A material whose value of fracture toughness is greater than or equal to 1.5 [MPa·m1/2] is used for a base substrate and a counter substrate which hold a liquid crystal material therebetween; a first sealant containing liquid crystal contaminants at less than or equal to 1×10?4 wt % is provided so as be in contact with the liquid crystal material and to surround the liquid crystal material seamlessly; the second sealant is provided to surround the first sealant; and the base substrate and the counter substrate which hold the liquid crystal material therebetween using the first sealant and the second sealant are bonded with a bond strength of greater than or equal to 1 [N/mm2].
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: June 12, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yohei Monma, Hiroki Adachi, Shingo Eguchi, Saki Obana, Koji Moriya, Shuji Fukai
  • Patent number: 9989816
    Abstract: A liquid crystal display device includes first and second substrates opposite to each other, a liquid crystal layer between the first and second substrates, a first electrode on the first substrate in a planar shape, and a second electrode on the first substrate and including pixel electrodes, which overlap the first electrode. Each of the pixel electrodes includes minute branches disposed parallel to one another, and connecting branches, which connect the minute branches, the minute branches include an edge area defined on a side thereof, and a main area defined by a remaining area, the connecting branches are disposed alternately on outer sides of the edge and main areas, and a first angle formed by the minute branches in the edge area with respect to a first direction is larger than a second angle formed by the minute branches in the main area with respect to the first direction.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Su Jung Huh, Hwa Yeul Oh, Ji Eun Lee
  • Patent number: 9989796
    Abstract: A display device with less light leakage and excellent contrast is provided. A display device having a high aperture ratio and including a large-capacitance capacitor is provided. A display device in which wiring delay due to parasitic capacitance is reduced is provided. A display device includes a transistor over a substrate, a pixel electrode connected to the transistor, a signal line electrically connected to the transistor, a scan line electrically connected to the transistor and intersecting with the signal line, and a common electrode overlapping with the pixel electrode and the signal line with an insulating film provided therebetween. The common electrode includes stripe regions extending in a direction intersecting with the signal line.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: June 5, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryo Hatsumi, Daisuke Kubota, Hiroyuki Miyake
  • Patent number: 9983431
    Abstract: According to one embodiment, a display device includes a first light-shielding portion and a second light-shielding portion arranged at a first pitch in a first direction, and a light-shielding layer including a first portion overlapping the first light-shielding portion and a second portion overlapping the second light-shielding portion in planar view, a width center of the second light-shielding portion being displaced from a width center of the second portion in the first direction, an opening portion being located between the first portion and the second portion, the first portion and the second portion being arranged at a second pitch different from the first pitch in the first direction.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: May 29, 2018
    Assignee: Japan Display Inc.
    Inventor: Jin Hirosawa
  • Patent number: 9983433
    Abstract: A transflective liquid crystal display (LCD) panel, a display device and an array substrate are disclosed. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate and the second substrate include a transmissive area and a reflective area, and the cell gaps of the transmissive area and the reflective area are unequal to each other.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: May 29, 2018
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ku Hyun Park
  • Patent number: 9983703
    Abstract: A touch panel, a liquid crystal display device including the touch panel, and a method of forming the touch panel may be provided, wherein the touch panel includes an electrode layer having an electrode pattern for touch sensing; and an overcoating layer formed on an upper portion of the electrode layer and having a pattern forming a predetermined intersection angle with respect to the electrode pattern, and the liquid crystal display device includes the touch panel attached to an upper portion of the liquid crystal display device or formed within the liquid crystal display device.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: May 29, 2018
    Assignee: Hydis Technologies Co., Ltd.
    Inventors: Ji Hoon Lee, Joon Sung An, Seong Jung Yun, Hyung Jung Kim
  • Patent number: 9977275
    Abstract: The present disclosure relates to a filter module and a touch screen having the filter module. The filter module includes a substrate, the substrate includes a first surface and a second surface opposite to the first surface, the first surface is provided with a shielding matrix and a color resister distributed in the shielding matrix, the shielding matrix includes intersecting grid lines, the grid lines intersect to form grids, the color resister is formed in the grids, the second surface is provided with a conductive layer, the conductive layer comprises a first conductive pattern and a second conductive pattern, the first conductive pattern and the second conductive pattern are spaced apart from each other to form a sensing structure, the conductive layer is coated with a coating layer.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: May 22, 2018
    Assignee: NANCHANG O-FILM TECH. CO., LTD.
    Inventors: Genchu Tang, Shengcai Dong, Wei Liu, Bin Tang, Shilei He
  • Patent number: 9977302
    Abstract: A display device includes a gate lines extending in a first direction, data lines extending in a second direction, pixel electrodes, a common electrode disposed to face the pixel electrodes, common wirings that are electrically connected to the common electrode; and a common bus line that extends in the first direction outside of a display region and is electrically connected to the common wirings. Each of the common wiring includes a first common wiring portion extending in the first direction and a second common wiring portion that is connected to the first common wiring portion and extends in the second direction outside of the display region. A width of the first common wiring portion in the first direction is larger than a width of the second common wiring portion in the first direction. Both ends of the first common wiring portion in the first direction are electrically connected to the common bus line.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: May 22, 2018
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Hiroyuki Yabuki, Tomohiro Nakayama
  • Patent number: 9964804
    Abstract: The present invention provides a display device using a quantum dot film, including a display panel, a backlight module (2) located under the display panel, a quantum dot film (3) located between the display panel and the backlight module (2), and a plurality of reflector units (41) located between the quantum dot film (3) and the display panel. The quantum dot film (3) can be excited by light emitting from the backlight module to give off excitation light. The liquid crystal panel includes therein a black matrix. The plurality of reflector units (41) is arranged to correspond to the black matrix. The display device using a quantum dot film of the present invention has a wide color gamut range and has good image quality and high quantum dot excitation rate and utilization of backlighting.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: May 8, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yi Zeng
  • Patent number: 9958726
    Abstract: A highly-reflective liquid crystal on silicon (LCOS) panel includes pixel electrodes on a substrate, each pixel electrode having a top surface with a first reflectivity. A continuous reflective coating covers the pixel electrodes and substrate surfaces therebetween, forming a plurality of coated pixel electrodes having an enhanced reflectivity that exceeds the first reflectivity. A method for increasing pixel reflectivity in a LCOS panel includes depositing a continuous reflective coating covering both (1) a plurality of pixel electrodes on a substrate and (2) a plurality of inter-pixel substrate surfaces, and depositing a layer on the continuous reflective coating.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: May 1, 2018
    Assignee: OmniVision Technologies, Inc.
    Inventor: Chun-Sheng Fan
  • Patent number: 9956906
    Abstract: Certain example embodiments relate to a vehicle window (e.g., sunroof). Side-firing LEDs are provided between first and second substantially parallel substrates and emit light towards central regions of the window. A liquid-crystal inclusive switchable film is provided between the first and second substrates. The liquid crystals are sized such that light received from the LEDs is redirected in a direction substantially normal to major surfaces of the first and second substrates. The switchable film is operable in at least first and second modes, with the window in the first mode having a visible transmission of less than 1%, and with the window in the second mode having a visible transmission of 7-15%. The switchable film and the LEDs are operable independently of one another in connection with the LEDs emitting light and the switchable film controlling visible transmission therethrough.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: May 1, 2018
    Assignee: Guardian Glass, LLC
    Inventors: Timothy J. Frey, Robert A. Vandal
  • Patent number: 9952474
    Abstract: A deskew display panel is disclosed in present invention. The deskew display panel includes a plurality of data lines arranged in a column direction, a plurality of scanning lines perpendicular to the column direction and intersecting the data lines; a sub-pixel array including a plurality of sub-pixels arranged in array, each sub-pixel including a transistor and disposed between any two neighboring scanning lines and any two neighboring data lines; the scanning lines disposed in the sub-pixel array and parallel to each other; sub-pixels in each row including a plurality of sub-pixel sets, each sub-pixel set including two sub-pixels, the sub-pixel including the transistor, gates of the transistors connected to two neighboring scanning lines respectively, sources of the transistors connected to the same data line, and drains of the transistors connected to a liquid crystal capacitor and a storage capacitor.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: April 24, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Cong Wang, Peng Du
  • Patent number: 9933558
    Abstract: According to one embodiment, an illumination device includes a lightguide, a light-emitting layer, a first reflector, a second reflector, and a third reflector. A distance between the first reflector and the second reflector is greater at a second position farther from the light-emitting layer than at a first position closer to the light-emitting layer. A distance between the lightguide and the third reflector is greater at a fourth position farther from the first reflector than at a third position closer to the first reflector. An emission portion for allowing emission of light emitted from the light-emitting layer is formed between the second reflector and the third reflector.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 3, 2018
    Assignee: Japan Display Inc.
    Inventors: Osamu Itou, Eri Sasaki
  • Patent number: 9933651
    Abstract: A liquid crystal display including: a first display panel defining a plurality of pixel areas; a second display panel facing the first display panel; a liquid crystal layer interposed between the first display panel and the second display panel; and a plurality of color filters disposed in the respective pixel areas, wherein four different color filters are respectively disposed in four adjacent pixel areas, and each of the four color filters includes first and second protrusions formed at first and second edges of the corresponding pixel area and first and second chamfered portions at third and fourth edges thereof.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Soo Park, Wan-Soon Im, Hyung June Kim, Jong Hak Hwang