Patents Examined by Paisley L Arendt
  • Patent number: 10520776
    Abstract: According to an aspect, a liquid crystal display device includes: a first substrate provided with a first electrode portion that includes a plurality of strip electrodes arranged in a first direction and that is configured to generate a transverse electric field in the first direction; a liquid crystal layer in which liquid crystal molecules are oriented in the first direction when the transverse electric field is not generated; a second substrate facing the first substrate across the liquid crystal layer; and an electrode provided at the second substrate.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: December 31, 2019
    Assignee: Japan Display Inc.
    Inventors: Masaaki Kabe, Kojiro Ikeda, Shinichiro Oka
  • Patent number: 10520768
    Abstract: A novel display panel that is highly convenient or reliable is provided. A novel input/output panel that is highly convenient or reliable is provided. A novel data processing device that is highly convenient or reliable is provided. The display panel includes a layer containing a liquid crystal material, a first pixel, a second pixel, and an anti-reflection structure. The layer containing a liquid crystal material includes a first region, a second region, and a third region. The first pixel includes the first region. The second pixel includes the second region. The anti-reflection structure includes a region overlapping with the third region. The anti-reflection structure has a function of reducing reflectance of visible light which enters through the layer containing a liquid crystal material.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: December 31, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Masaru Nakano, Hiroyuki Miyake
  • Patent number: 10495810
    Abstract: A planar light source device includes at least a light guide plate and a lamp unit disposed replaceably at a side surface of the plate. The lamp unit includes: a lamp holder having a shape where a surface facing the side surface of the light guide plate is opened; an LED mounted on a flexible cable, the cable fixed on an inner surface of the lamp holder; and a shielding sheet fixed on an outer surface of the lamp holder. An upper portion of the lamp holder located close to a light emitting surface of the light guide plate does not overlap its light emitting surface when viewed from a normal direction of the light emitting surface. One end of the shielding sheet is fixed to the upper portion of the lamp holder, the other end being closely attached to the light emitting surface of the light guide plate.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: December 3, 2019
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventor: Hideki Itaya
  • Patent number: 10481308
    Abstract: Provided are an optical film, a method for manufacturing an optical film, and a liquid crystal display. An optical film includes: a polarizer, a diffusion sheet adhered to a bottom surface of the polarizer, the diffusion sheet including: a first diffusion member, and a second diffusion member adhered to the first diffusion member, and a prism sheet adhered to a bottom surface of the diffusion sheet.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: November 19, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Wonjong Cho, Sudong Roh, Daeheung Lee
  • Patent number: 10475869
    Abstract: A display device with high luminance and excellent white balance is provided. The display device includes a first display element, a second display element, a first transistor, and a second transistor. The first display element includes a light-emitting layer and is electrically connected to the first transistor. The first transistor includes a first semiconductor film, a first gate electrode and a second gate electrode facing each other with the first semiconductor film provided therebetween, and a first source electrode and a first drain electrode over and in contact with the first semiconductor film. The second gate electrode is electrically connected to the first source electrode or the first drain electrode. The second display element includes a light-emitting layer and is electrically connected to the second transistor.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: November 12, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kouhei Toyotaka, Hiroyuki Miyake
  • Patent number: 10459275
    Abstract: The embodiments of the present invention provide a polarizer, a manufacturing method thereof, a display panel and a display device, to avoid mura caused by the film peeling process of the polarizer, thereby reducing the probability of bad quality products, simplifying the assembly process, and preventing the omission of conductive attachment. The polarizer includes a main body layer, a protective film layer, a conductive layer and a release film. A first surface of the main body layer is attached with the protective film layer. A second surface of the main body layer is attached with the release film. A periphery of the main body layer is attached with the conductive layer.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: October 29, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Junwei Wang, Haifeng Yu, Haiqin Huang, Dongxi Li
  • Patent number: 10459272
    Abstract: An exemplary embodiment provides a liquid crystal display including: a substrate configured to include a display area and a peripheral area; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer disposed to face the pixel electrode; a capping layer disposed on the roof layer; and a blocking film disposed in the peripheral area to surround a lateral surface of the capping layer, wherein a plurality of microcavities are formed between the pixel electrode and the roof layer in the display area, and the microcavities form a liquid crystal layer including a liquid crystal material, wherein a level of a top surface of the blocking film is higher than that of a top surface of the liquid crystal layer.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Ho Song, Seong Gyu Kwon, Yong Seok Kim, Jae Cheol Park, Seok-Joon Hong
  • Patent number: 10451913
    Abstract: The liquid crystal display panel according to the present invention is a liquid crystal display panel LCD wherein a CF substrate S1 on which color filters are formed and a TFT substrate S2 on which thin film transistor circuits are formed are layered on top of each other with liquid crystal being sealed between the two substrates, characterized in that a black light blocking region BM is formed in a frame portion of the CF substrate S1, and an identification mark M drawn as a negative pattern is provided to a part of the light blocking region, and a metal film MT1 is provided to the TFT substrate S2 in such a location as to block light that transmits through the identification mark.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: October 22, 2019
    Assignee: Japan Display Inc.
    Inventor: Syou Yanagisawa
  • Patent number: 10451926
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal sandwiched between the substrates, and a display region. A hole portion is formed in the display region. A first seal portion is formed to surround the display region. A second seal portion is formed to surround the hole portion. The first and the second seal portions seal the liquid crystal. The second seal portion has a first end portion on the liquid crystal side and a second end portion on the opposite side of the liquid crystal side. A sealing material is present in the first end portion. A sealing material is present in the second end portion. A wall-like spacer is formed between the first and the second end portions to surround the hole portion. The wall-like spacer defines the gap between the first and the second substrates.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 22, 2019
    Assignee: Japan Display Inc.
    Inventors: Junko Nagasawa, Hideki Shiina
  • Patent number: 10455693
    Abstract: A display device includes: a substrate including a display area in which a plurality of pixels are disposed and a non-display area adjacent to the display area; a plurality of pads disposed in the non-display area; an inspection line disposed in the non-display area of the substrate and being spaced apart from the pad; a conductive member connecting the pad and the inspection line; and a tape-automated bonding integrated circuit (TAB-IC) disposed on the conductive member.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Myong soo Oh
  • Patent number: 10429696
    Abstract: A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a first substrate including a plurality of unit regions positioned at a display area in a plan view; a liquid crystal layer opposing the first substrate; a unit electrode portion positioned on a first surface of the first substrate at one unit region; a lower dam positioned at a peripheral area positioned around the display area in the plan view; and a protrusion positioned corresponding to the unit region in the plan view. The lower dam and protrusion are positioned between the first substrate and the liquid crystal layer and protruded toward the liquid crystal layer. The protrusion enclosing a portion around the unit region with respect to a center of the unit region in the plan view. The lower dam and the protrusion are positioned at a same layer and include the same material.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Keun Kim, Min Wook Park
  • Patent number: 10423022
    Abstract: A light shielding apparatus that may transmit or shield light by using a plurality of PDLC layers, a method of fabricating the light shielding apparatus, and a transparent display device including the light shielding apparatus are discussed. The light shielding apparatus can include first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and first and second polymer dispersed liquid crystal layers between the first electrode and the second electrode, wherein the first polymer dispersed liquid crystal layer includes first droplets having first liquid crystals, and the second polymer dispersed liquid crystal layer includes second droplets having second liquid crystals and first dichroic dyes.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 24, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Moon Sun Lee, Ji Young Ahn, Pu Reum Kim, Ki Han Kim
  • Patent number: 10416504
    Abstract: The liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a transistor including an oxide semiconductor film including a channel formation region; a pixel electrode electrically connected to the transistor; an insulating layer in contact with the pixel electrode; and a first common electrode in contact with the insulating layer. The second substrate faces the first substrate and includes a second common electrode. A negative liquid crystal material is used for the liquid crystal layer. The specific resistivity of the liquid crystal material is greater than or equal to 1.0×1013 ?·cm and less than or equal to 1.0×1016 ?·cm.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: September 17, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryo Hatsumi, Shuji Fukai, Daisuke Kubota
  • Patent number: 10408987
    Abstract: A wavelength conversion member including a wavelength conversion layer containing quantum dots which are excited by exciting light and emit fluorescent light rays, in which the wavelength conversion layer includes base material films on at least one surface, and in the base material films, an absorbance of light at a wavelength of 450 nm measured by using an integrating sphere is less than 0.9%, and a total light ray transmittance is less than 92%.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: September 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Naoyoshi Yamada, Koichi Sato
  • Patent number: 10409117
    Abstract: A liquid crystal display includes: a first substrate; and pixel electrodes disposed on the first substrate, each of the pixel electrodes including: a stem including a first stem and a second stem perpendicularly crossing each other; and a plurality of branch electrodes extending from the stem, wherein one of the first stem of and the second stem of each pixel electrode has a different width corresponding to a location of pixel electrodes on the display.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: September 10, 2019
    Assignee: Samsung Dispiay Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Mee-Hye Jung
  • Patent number: 10409098
    Abstract: The application discloses a display apparatus and an electrical device. The display apparatus including at least a display panel, the display panel having a display zone, and a frame zone in the outer of the display zone; at least a concave lens, the concave lens is set in the boundary of the display zone to diffuse partial of the light emerged from the display zone to the frame zone side; and at least a convex lens, the convex lens crossing the boundary of the display zone and the frame zone, and the other boundary is flush with the boundary of the frame zone and emerge parallel light diffused from the concave lens. When the display apparatus is used in the splice electrical device, the two display apparatus can achieve the seamless splicing display.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: September 10, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Xiaolong Meng
  • Patent number: 10401670
    Abstract: A touch panel includes a first polarizing element, a first substrate, a liquid crystal layer, a second polarizing element, a touch electrode layer, a color converting layer and a second substrate. The first polarizing element has a first polarizing axis. The first substrate is disposed on the first polarizing element. The liquid crystal layer is disposed on the first substrate. The second polarizing element is disposed on the liquid crystal layer, includes a plurality of polarizing touch electrodes, and has a second polarizing axis crossing the first polarizing axis. The touch electrode layer is disposed on the liquid crystal layer, disposed adjacent to the second polarizing element and includes a plurality of touch electrodes. The color converting layer is disposed on the second polarizing element. The second substrate is disposed on the color converting layer.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: September 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Woong Jeong, Jaewoong Kang, Hyang-A Park, Jung-Hyun Yang
  • Patent number: 10394088
    Abstract: Provided are a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a first substrate and a second substrate opposite to each other. The first substrate has a first surface and a second surface opposite to each other. The second substrate includes a third surface and a fourth surface opposite to each other. The third surface is arranged adjacent to the first surface. The first substrate includes a main photo spacer, a first sub photo spacer, and a second sub photo spacer formed thereon. The main photo spacer, the first sub photo spacer, and the second sub photo spacer have ends that are adjacent to the third surface and are spaced from the third surface by different distances. The liquid crystal display panel has an enhanced displaying quality.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: August 27, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10395576
    Abstract: A display panel including a plurality of sub-pixel repeating units is provided. The sub-pixel repeating units are repeatedly arranged on the display panel. Each of the sub-pixel repeating units includes at least one first color sub-pixel and at least one second color sub-pixel. On the display panel, the adjacent first color sub-pixels form a first polygon, and the adjacent second color sub-pixels form a second polygon. The area of the first polygon is at least twice the area of the second polygon.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: August 27, 2019
    Assignee: Novatek Microelectronics Corp.
    Inventors: Hsueh-Yen Yang, Kai-Min Yang, Feng-Ting Pai
  • Patent number: 10379416
    Abstract: A display device includes a display area and a peripheral area surrounding the display area. The display device includes a thin film transistor substrate, a plurality of thin film transistors, a first common line, and a storage capacitor line. The first common line, the storage capacitor, and a gate electrode of the thin film transistor are located in a same layer. The first common line is directly electrically coupled to the storage capacitor line.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: August 13, 2019
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Wen-Qiang Yu, Ming-Tsung Wang, Chih-Chung Liu, Yi-Hsiu Cheng