Patents Examined by Dennis Y Kim
  • Patent number: 10191320
    Abstract: A filter sheet, a manufacturing method thereof and a display device are disclosed. The filter sheet includes: a first medium film, a second medium film and a third medium film attached to each other, wherein the filter sheet comprises a first pixel region, a second pixel region and a third pixel region; a portion of the first medium film in the first pixel region of the filter sheet is removed, a portion of the second medium film in the second pixel region of the filter sheet is removed, and a portion of the third medium film in the third pixel region of the filter sheet is removed; the first medium film reflects light in a first wavelength range and transmits light outside the first wavelength range; the second medium film reflects light in a second wavelength range and transmits light outside the second wavelength range; and the third medium film reflects light in a third wavelength range and transmits light outside the third wavelength range.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: January 29, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Hongshu Zhang, Xibin Shao
  • Patent number: 10095059
    Abstract: The LCD module according to the present disclosure includes a liquid crystal cell and a mold frame accommodating the liquid crystal cell. The mold frame includes a support supporting the liquid crystal cell in a thickness direction of the liquid crystal cell and a guide for limiting movement of the liquid crystal cell in a planar direction of the liquid crystal cell. The guide includes a corner-part guide disposed to face a corner part on the corner part of at least one side of the liquid crystal cell, and an inner-part guide facing an inner part being a part of the side other than the corner part, and being adjacent to the corner-part guide with distance. A gap between the liquid crystal cell and the corner-part guide is larger than a gap between the liquid crystal cell and the inner-part guide.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: October 9, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kiyotaka Nakase, Hideki Kasamatsu, Akira Mizuno, Yasunori Miura
  • Patent number: 10073297
    Abstract: A liquid crystal display includes a liquid crystal display panel having a first substrate and a second substrate. An upper polarizer is disposed on an outer surface of the first substrate. A viewing angle control film is disposed on the upper polarizer. The viewing angle control film includes a polarizing layer having a transmission axis substantially parallel to a transmission axis of the upper polarizer and a phase retardation layer including a birefringence material having an optical axis with a poloidal angle of about 40 degrees to about 75 degrees.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Wook Do, Seon-Ah Cho
  • Patent number: 10054989
    Abstract: A flexible display apparatus includes a display panel, a case and a plurality of driving circuits. The display panel is configured to display an image. The display panel includes a first display part, a second display part and a hinge display part. The hinge display part is interposed between the first and second display parts. The hinge display part is configured to be foldable. The case is configured to cover the display panel. The case forms a hinge thickness with the hinge display part and it also forms a peripheral thickness at an end of the case facing away from the hinge display part. The peripheral thickness is greater than the hinge thickness. The driving circuits are disposed between a rear surface of the first display part and the case. Therefore, thickness of the display panel is decreased and its portability is improved.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 21, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Hyeog Jung, Sang-Wol Lee
  • Patent number: 10043828
    Abstract: A semiconductor device which includes an oxide semiconductor and in which formation of a parasitic channel due to a gate BT stress is suppressed is provided. Further, a semiconductor device including a transistor having excellent electrical characteristics is provided. The semiconductor device includes a transistor having a dual-gate structure in which an oxide semiconductor film is provided between a first gate electrode and a second gate electrode; gate insulating films are provided between the oxide semiconductor film and the first gate electrode and between the oxide semiconductor film and the second gate electrode; and in the channel width direction of the transistor, the first or second gate electrode faces a side surface of the oxide semiconductor film with the gate insulating film between the oxide semiconductor film and the first or second gate electrode.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: August 7, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hiroyuki Miyake, Kenichi Okazaki, Masahiko Hayakawa, Shinpei Matsuda
  • Patent number: 10031376
    Abstract: A liquid crystal display device having a uniform gap between a TFT substrate and a CF substrate even in cases where a sealant is to be applied to a slim frame formed on the outside of the effective display area is provided. A liquid crystal display device includes an effective display area, a color resist coated area, and a seal area which overlaps the color resist coated area and in which a sealant for sealing liquid crystal is provided, wherein the color resist coated area overlapping the seal area has slits formed therein.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: July 24, 2018
    Assignee: Japan Display Inc.
    Inventor: Takahiro Nagami
  • Patent number: 10025146
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes an organic insulating film, a first electrode formed on the organic insulating film, an inorganic insulating film formed on the first electrode, a second electrode formed on the inorganic insulating film, and an alignment film. The alignment film is in contact with the organic insulating film and the second electrode.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: July 17, 2018
    Assignee: Japan Display Inc.
    Inventor: Muneharu Akiyoshi
  • Patent number: 10025140
    Abstract: Disclosed is a liquid crystal display, including: a first substrate and a second substrate, which face each other; a color filter disposed on the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizing plate disposed outside the first substrate; a first compensation film disposed outside the first polarizing plate; a second compensation film disposed outside the second substrate; and a second polarizing plate disposed outside the second compensation film, in which the second compensation film includes a biaxial film, and the first substrate and the second substrate include a poly-amide (PA) having an optical characteristic of a negative C-plate.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: July 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hoon Kim, Sang-Gu Lee, Seung Hee Lee, Hyo Sung Hong, Dae Won Kim
  • Patent number: 10025013
    Abstract: An optical display device which includes a display panel, and at least one polarizing film including a polyvinyl alcohol-based resin layer disposed on a viewing side with respect to the display panel, and having an optical arrangement forming a cross-Nicol relationship with regard to polarized light entering the polarizing film from the side of the display panel. The polarizing film is produced to have a thickness of 10 ?m or less, by a method comprising the steps of: forming a polyvinyl alcohol-based resin layer on a resin substrate; stretching the polyvinyl alcohol-based resin layer integrally with the resin substrate; and dyeing the polyvinyl alcohol-based resin layer using a dichroic material. The polarizing film is disposed in the optical display device in a state in which a surface of the polarizing film as a contact surface with the resin substrate during the production thereof is oriented toward a side opposite to the display panel.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: July 17, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kentaro Ikeshima, Minoru Miyatake, Yuki Nakano
  • Patent number: 10012866
    Abstract: The present invention provides a mirror display that can match the peripheral environment having diffusely reflecting surfaces in the mirror mode, and an electronic device including the mirror display. The mirror display includes a half mirror plate that includes a reflective polarizer and a display device. The half mirror plate further includes a light-diffusing member that diffuses at least part of incident light. The mirror display includes, in the order from the back surface side, the display device, the reflective polarizer, and the light-diffusing member.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: July 3, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Hiroyuki Hakoi, Kiyoshi Minoura, Shigeaki Mizushima
  • Patent number: 10012789
    Abstract: A laminate film includes a gas barrier film having a barrier layer and a support which supports the barrier layer stacked on one surface of an optical functional layer, in which the gas barrier film and the optical functional layer satisfy the following adhesion force conditions: an adhesion force between the support and the barrier layer is smaller than an adhesion force between the optical functional layer and the barrier layer, and an adhesion force between the support and the barrier layer is an adhesion force enabling peeling.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: July 3, 2018
    Assignee: FUJIFILM CORPORATION
    Inventors: Kyohisa Uchiumi, Eijiro Iwase
  • Patent number: 10007107
    Abstract: The present invention provides a light valve device, comprising a driving substrate having a shading zone and a photic zone, a shading unit, and the shading unit comprises a first shading plate, two driving units, and second shading plates respectively connected to the two driving units, and the driving unit and the first shading plate are fixed in the shading zone adjacent to the driving substrate, and the first shading plate is between the two driving units, and the driving unit can drive the two second shading plates close to the first shading plate to make the second shading plate face the photic zone of the driving substrate for preventing light entering the driving substrate. By locating the light valve device under the sub pixel, the dynamic contrast can be raised to promote the display effect.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: June 26, 2018
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Yurui Jiang, De-Jiun Li, Hongqing Cui
  • Patent number: 9989825
    Abstract: According to one embodiment, a display device includes a first substrate including a first insulating substrate, and a second substrate including a second insulating substrate arranged on a display surface side on which an image is displayed to the first substrate, a light-shielding layer arranged on a side of the second insulating substrate, which is opposed to the first substrate, a gate line and a source line arranged on a side of the light-shielding layer, which is opposed to the first substrate, to extend along the light-shielding layer, a switching element electrically connected to the gate line and the source line, and a pixel electrode electrically connected to the switching element.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: June 5, 2018
    Assignee: Japan Display Inc.
    Inventor: Arihiro Takeda
  • Patent number: 9989797
    Abstract: A touch recognition enabled display panel includes a plurality of common electrode blocks serving as touch-sensing regions and/or touch-driving regions. Conductive lines connected to the common electrode blocks are placed under the common electrode blocks and the pixel electrodes of the pixels, and they are routed across the active area, directly toward an inactive area where drive-integrated circuits are located. The conductive lines are positioned under one or more planarization layers, and are connected to the corresponding common electrode blocks via one or more contact holes.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: June 5, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Seongsu Kim, Taesang Kim, Mingyeong Kim
  • Patent number: 9989823
    Abstract: An array substrate and a display panel are provided. The array substrate includes a plurality of sub-pixels defined by a plurality of scanning lines and a plurality of data lines, and a color filter layer including a plurality of color blockers in a plurality of colors. The plurality of sub-pixels is arranged in a matrix and includes first sub-pixels, second sub-pixels, third sub-pixels, and fourth sub-pixels configured to display different colors. The first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels each includes an aperture region, and a non-aperture region. A length-to-width aspect, ratio of the plurality of sub-pixels is greater than 2:1. An aperture region of the fourth sub-pixel is smaller than an aperture region of any one of the first sub-pixel, the second sub-pixel, and the third sub-pixel.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 5, 2018
    Assignees: SHANGHAI AVIC OPTO ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Huijun Jin
  • Patent number: 9977284
    Abstract: The present invention provides a display panel and a manufacture method thereof, of which the structure of the display panel is simple, and the manufacture cost is low, and meanwhile, the great display quality is possessed. The manufacture method of the display panel according to the present invention combines the polymer dispersed liquid crystal and the quantum dots, and modifies the structure of traditional upper, lower substrates to acquire a new type display panel. In comparison with the manufacture process of the traditional display panel, the manufacture or addition of the color filter, the alignment films and polarizers are eliminated, and the manufacture process is simple, and the manufacture cost is low, and meanwhile, the display result of the manufactured display panel is new and special, and five display effects of red, green, blue, white, and blur-opaque are provided and the great display quality is possessed.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 22, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chao Ma
  • Patent number: 9965063
    Abstract: A touch screen display may have a color filter layer and a thin-film transistor layer. A layer of liquid crystal material may be located between the color filter layer and the thin-film transistor (TFT) layer. The TFT layer may include thin-film transistors formed on top of a glass substrate. Each display pixel in the TFT layer may include first and second TFTs coupled in series between a data line and a storage capacitor. The first TFT may have a gate that is coupled to a gate line. The second TFT may have a gate that is coupled to a control line that is different than the gate line. A global enable signal may be provided on the control line, where the enable signal is asserted during display intervals and is deasserted during touch intervals. The second TFT may be formed using a top-gate TFT or a bottom-gate TFT arrangement.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: May 8, 2018
    Assignee: Apple Inc.
    Inventors: Abbas Jamshidi Roudbari, Shih-Chang Chang, Ting-Kuo Chang, Cheng-Ho Yu
  • Patent number: 9964821
    Abstract: The present invention provides a curved liquid crystal display panel. In the curved liquid crystal display panel of the present invention, a TFT substrate is provided thereon with a black matrix corresponding to a trunk portion of a pixel electrode such that portions of the sub-pixels within two opposite side zones of the curved liquid crystal display panel that generate dark patterns and portions of the sub-pixels within a central zone of the curved liquid crystal display panel having the same width as that of the dark patterns are shielded, whereby through sacrifice of a portion of aperture ratio, the brightness of the curved liquid crystal display panel is made homogenized through all areas thereof thereby preventing brightness difference between the central zone and two opposite side zones of the curved liquid crystal display panel.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: May 8, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chuan Wu
  • Patent number: 9963383
    Abstract: Certain example embodiments of this invention relate to ruggedized switchable glazings, and/or methods of making the same. The PDLC stack of certain example embodiments includes an outer substrate, a low-E UV blocking coating deposited on an inner surface of the outer substrate, a first PVB or EVA laminate, a first PET layer, a first TCO layer, the PDLC layer, a second TCO layer, a second PET layer, a second PVB or EVA laminate, and an inner substrate. The substrates may be glass substrates. The low-E UV blocking coating may include at least two layers of or including silver and/or may include one or more IR layers. Thus, certain example embodiments may advantageously reduce one or more problems associated with residual haze, color change, flicker, structural changes in the polymer and/or the LC, degradations in state-switching response times, delamination, etc.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: May 8, 2018
    Assignee: Guardian Glass, LLC
    Inventor: Vijayen S. Veerasamy
  • Patent number: 9958728
    Abstract: An LCD panel and a method for manufacturing are provided. The panel includes: a first substrate and a second substrate disposed opposite to the first substrate; a liquid crystal layer comprising a plurality of liquid crystal molecules and color quantum rods mixed in the liquid crystal molecules, wherein both the color quantum rods and the liquid crystal molecules have a major axis, and a major axis direction of the color quantum rods is identical to a major axis direction of the liquid crystal molecules.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: May 1, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guohe Liu