Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 10234732
    Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: March 19, 2019
    Assignees: Shanghai Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Lei Niu, Zhihua Ling, Lingxiao Du, Jun Ma, Sitao Huo, Tianyi Wu
  • Patent number: 10228582
    Abstract: A curved display device includes a main display unit; a corner portion positioned at a corner of the main display unit; a first light blocking member positioned in the main display unit; and a second light blocking member positioned in the corner portion, wherein a first flat shape of the first light blocking member is different from a second flat shape of the second light blocking member.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: March 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Jung Huh, Young Je Cho
  • Patent number: 10203544
    Abstract: The embodiments of the present invention disclose a polarizer, a manufacturing method thereof, a liquid crystal display panel and a display device.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kaidi Fang, Zhengwei Zhu
  • Patent number: 10191337
    Abstract: A liquid crystal display device includes: a first display panel displaying a color image, and a second display panel displaying a black-and-white image. The first display panel includes a first pixel corresponding to a first transmission area transmitting light having first color, a second pixel corresponding to a second transmission area transmitting light having second color, and a third pixel corresponding to a third transmission area transmitting light having third color. The second display panel includes a fourth pixel overlapping the first pixel, and a fifth pixel overlapping the second pixel and the third pixel. An area of the fourth pixel is different from an area of the fifth pixel.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: January 29, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Kikuo Ono
  • Patent number: 10191310
    Abstract: A power conversion circuit for switching the viewing angle of an LCD, includes an input terminal, an output terminal, a switching unit, an isolating unit, an output unit, a first power supply, a second power supply, and a third power supply. When the input terminal is provided with a low level voltage, the switching unit is switched on, the voltage of the second power supply is provided as a first DC voltage to the output terminal via the switching unit and the isolating unit. When the input terminal is provided with a high level voltage, the switching unit is switched off, the voltage of the third power supply is provided as a second DC voltage to the output terminal via the output unit and the isolating unit, wherein the second DC voltage is higher than the first DC voltage.
    Type: Grant
    Filed: October 15, 2016
    Date of Patent: January 29, 2019
    Assignee: INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.
    Inventors: Dalei Zhang, Yongxin Ruan, Qingbai Lv
  • Patent number: 10191346
    Abstract: A blue phase liquid crystal module, a blue phase LCD and the manufacturing are disclosed. The blue phase liquid crystal module includes an up substrate; a down substrate opposite to the up substrate; and blue phase liquid crystals between the up substrate and the down substrate. The down substrate includes at least one wave-shaped insulation layer being arranged with respect to the up substrate and the down substrate. The reflective layer is arranged in a portion of the down substrate. Pixel electrodes and common electrodes are arranged alternately at valleys and at peaks of the wave-shaped insulation layer, and the blue phase liquid crystals are driven by at least one slant electrical field generated between the pixel electrode and the common electrode.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: January 29, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10185172
    Abstract: A method of driving a display device including a display panel that includes a color filter board is provided. The color filter board includes a light blocking section formed in a grid and color sections that are formed in areas surrounded by a pattern of the light blocking section in different colors from area to area. The color sections form display pixels on a combination basis. The display panel includes a light blocking area in at least a section of an edge along an outline of the display panel. The method includes setting the color sections that do not form the display pixels among the color sections adjacent to the light blocking area in a plan view of the display panel constantly in the black state.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: January 22, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinya Kadowaki, Hidefumi Yoshida, Ryuzo Yuki
  • Patent number: 10175409
    Abstract: A backlight module and a display apparatus are provided. The backlight module includes: a light bar, a quantum dot encapsulated tube and a light guide plate; the light bar and light guide plate are disposed at two sides of quantum dot encapsulated tube respectively, the light bar and quantum dot encapsulated tube are disposed in parallel, the light bar and quantum dot encapsulated tube are located at a light incident surface side of light guide plate, a plurality of LED lights are disposed on the light bar at a side facing towards the quantum dot encapsulated tube, an LED light corresponding to valid area of quantum dot encapsulated tube is monochromatic LED light, an LED light corresponding to invalid area of quantum dot encapsulated tube is white LED light, and invalid area of quantum dot encapsulated tube is within irradiation range of the white LED light.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 8, 2019
    Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.
    Inventors: Fulin Li, Jihang Ma, Minhua Li
  • Patent number: 10146093
    Abstract: The present invention provides a mirror display that exhibits non-deteriorated display quality in a display mode and is capable of adjusting the color of reflected light in a mirror mode.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: December 4, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Hiroyuki Hakoi, Masahiro Hasegawa, Kiyoshi Minoura
  • Patent number: 10146074
    Abstract: A liquid crystal device (LCD) and a flexible circuit board are disclosed. The display panel includes a color film substrate, an array substrate, and a liquid crystal layer between the color film substrate and the array substrate. The flexible circuit board is configured for arranging the driving circuit. before the flexible circuit board is bonded, a common voltage of the color film substrate and the common voltage of the array substrate are disconnected. A voltage of the pixel electrode of the array substrate and the common voltage of the color film substrate are independent signals and are independently controllable to form a predetermined voltage difference for aligning the liquid crystal layer between the array substrate and the color film substrate. As such, the voltage difference for aligning the liquid crystal layer between the color film substrate and the array substrate of the self-adjust Vcom LCD may be formed.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: December 4, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Cheng-hung Chen, Jiali Jiang
  • Patent number: 10139669
    Abstract: An electro-optical device of the present embodiment includes a pair of substrates, first opening components that stipulate sizes and positions of opening sections of pixels in one of the pair of substrates, and second opening components (microlenses) that stipulate sizes and positions of opening sections of the pixels in the other of the pair of substrates. Positions of the second opening components (microlenses) of the other substrate are corrected with positions of the first opening components of the one substrate set as references, so as to gradually become more shifted in a direction that runs from a core of a pixel region, in which a plurality of pixels are arranged, toward an edge section of the pixel region, in accordance with separation from a core side of the pixel region.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: November 27, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoshitake Tateno, Daisuke Miyawaki, Toshiki Tani, Masashi Nakagawa
  • Patent number: 10126606
    Abstract: A liquid crystal display panel includes a first gate line and a second gate line extending in a first direction, a first data line and a second data line extending in a second direction, a pixel region surrounded by the first and second gate lines and the first and second data lines, and a first sub pixel electrode and a second sub pixel electrode disposed in the pixel region, wherein the first sub pixel electrode includes a first pattern section and a second pattern section symmetrical with each other about the second direction serving as an axis, wherein the second sub pixel electrode includes a third pattern section having a same shape as that of either the first pattern section or the second pattern section, and a fourth pattern section having a shape different from those of both the first pattern section and the second pattern section, wherein the first sub pixel electrode and the second sub pixel electrode are electrically interconnected.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Seong Young Lee, Youn Hak Jeong, Ki Pyo Hong, Byoung Sun Na, Kye Uk Lee
  • Patent number: 10128382
    Abstract: A thin film transistor substrate includes a thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode. Each of the source electrode and the drain electrode includes a wire layer and a protective layer. The protective layer includes zinc oxide in an amount greater than about 70% by weight and less than about 85% by weight and indium oxide in an amount greater than about 15% by weight and less than about 30% by weight.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungho Yoon, Bong-Kyun Kim, Youngjun Kim, Hongsick Park, Byeong-Beom Kim, Sangwon Shin
  • Patent number: 10120243
    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: October 25, 2017
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kee-Bum Park, Dong Hee Shin, Kyung Ho Kim, Ho Kyung Kim, Yoo Mi Ra
  • Patent number: 10108060
    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: August 7, 2017
    Date of Patent: October 23, 2018
    Assignee: Japan Display Inc.
    Inventors: Kenji Kitajima, Ryouhei Suzuki
  • Patent number: 10108047
    Abstract: A liquid crystal display comprises a surface light source, a lower polarizing plate disposed on the surface light source, a liquid crystal layer disposed on the lower polarizing plate, a retardation layer disposed on the liquid crystal layer and an upper polarizing plate disposed on the retardation layer, wherein the lower polarizing plate is a reflective polarizing plate exhibiting positive C phase difference characteristics, and the retardation layer exhibits positive A phase difference characteristics.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Hwan Jeon, Beong Hun Beon, Sang Gu Lee
  • Patent number: 10108062
    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: October 6, 2016
    Date of Patent: October 23, 2018
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 10101613
    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 12, 2017
    Date of Patent: October 16, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Wonjin Choi, Sejin Jang
  • Patent number: 10095067
    Abstract: There is achieved a liquid crystal display device having a smaller picture frame region and a seal part of improved reliability. A liquid crystal display device includes a TFT substrate having a display region and a terminal region and formed with an organic passivation film, a counter substrate attached to the TFT substrate through a seal part, and a liquid crystal contained inside the seal part. A hole is formed at a predetermined pitch on the organic passivation film of the TFT substrate corresponding to the seal part when viewed on a plane. When the hole is viewed on a plane, a shortest distance from the hole to the hole is four micrometers or greater and 12 micrometers or less at a height of h1=0.9×h2 from a bottom face of the hole, where a depth of the hole is defined as h2.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 9, 2018
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Patent number: 10082703
    Abstract: Provided are a liquid crystal display panel, and a composite substrate and a method for fabricating the composite substrate. The composite substrate includes: a substrate, a carbon nanotube layer and a photoalignment matrix material. The carbon nanotube layer is adhered to a surface of the substrate with the photoalignment matrix material; the carbon nanotube layer includes multiple carbon nanotubes extending in a same direction. Multiple grooves arranged in parallel may be formed between carbon nanotubes since the extending direction of the carbon nanotube is the same, and the groove may be used for an initial alignment of liquid crystal molecules, hence the carbon nanotube layer may serve as an alignment layer. In addition, the carbon nanotube has a polarizing feature to serve as a polarizing layer. Therefore, the composite substrate may serve as both the alignment layer and the polarizing layer.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: September 25, 2018
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Sifan Wei