Patents Examined by Lucy P. Chien
  • Patent number: 11409169
    Abstract: The present invention provides a liquid crystal display panel and a display device. The liquid crystal display panel includes at least two display layers arranged in a stack. Each of the display layers comprises a liquid crystal layer, each of the liquid crystal layers comprises at least one pixel region and at least one non-pixel region, wherein a total coverage area of the at least one pixel region of the at least two display layers is greater than or equal to a display area of the liquid crystal display panel, and data signals of the at least two display layers are independently controlled. The present invention may achieve higher resolution display of products by the solution mentioned above.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: August 9, 2022
    Inventor: Jiangchuan Chen
  • Patent number: 11402699
    Abstract: According to one embodiment, a liquid crystal display apparatus includes a display region including a plurality of display pixels arrayed in a matrix, an array substrate including a plurality of first electrodes which are arrayed in a matrix, second electrodes which are arranged on the same layer as a layer of the first electrodes and connect the first electrodes to each other, and third electrodes which are arrayed in a matrix on the first electrodes and the second electrodes, a countersubstrate which is arranged to face the array substrate, and a liquid crystal layer which is interposed between the array substrate and the countersubstrate.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventors: Takashi Doi, Toshihiro Ninomiya
  • Patent number: 11372146
    Abstract: A method and a device for real-time attitude angle measurement based on the field of view effect of the birefringent crystal are provided. The device includes a high-speed polarization measurement module and an object attitude adjustment module connected to each other. The high-speed polarization measurement module includes a polarizer unit and a real-time polarization analyzer unit, respectively located on two opposite sides of the object attitude adjustment module. The object attitude adjustment module includes an attitude angle controller, a roll angle adjustment unit, a pitch angle adjustment unit, a yaw angle adjustment unit, and a height adjustment unit respectively connected to the attitude angle controller, and a birefringent crystal. The method includes an algorithm for real-time extraction of object attitude angle according to optical parameters measured by the high-speed polarization measurement module, and a method for compensating attitude angle measurement errors.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: June 28, 2022
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Hao Jiang, Song Zhang, Honggang Gu, Shiyuan Liu
  • Patent number: 11372275
    Abstract: A method of manufacturing a display panel is provided. The method includes: providing a liquid crystal motherboard which includes: a first motherboard, a second motherboard, and a plurality of liquid crystal regions; coating a sealant on a peripheral region of each of the liquid crystal regions of the first motherboard; assembling the second motherboard with the first motherboard and arranging liquid crystal in each of the liquid crystal regions to obtain the liquid crystal motherboard. The coating the sealant on the peripheral region of each of the liquid crystal regions of the first motherboard includes: coating a first sealant on a peripheral region of the central liquid crystal region, and coating a second sealant on a peripheral region of each of the first liquid crystal regions, the first sealant is provided with a first supporting structure, the second sealant is provided with a second supporting structure.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 28, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lei Zhang, Pengju Hu, Xiaofeng Zhang, Changquan Wang
  • Patent number: 11360342
    Abstract: The present invention relates to light-scattering liquid crystal devices suited for use in light control glass such as optical shutters and use in segment displays in, for example, clocks. A light-scattering liquid crystal device according to the present invention includes two substrates 1, of which at least one includes an electrode layer 2 and at least one is transparent, and a light control layer 4 held between the substrates, the light control layer 4 containing a liquid crystal material and a polymer substance, wherein the light-scattering liquid crystal device includes, between the substrates and the light control layer, a thin film layer 3 formed by subjecting a thermally curable compound containing a reactive group to thermal curing. According to the present invention, a light-scattering liquid crystal device having dramatically improved adhesion can be provided.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: June 14, 2022
    Assignee: DIC CORPORATION
    Inventors: Hidetoshi Nakata, Keumhee Jang, Kazunori Maruyama
  • Patent number: 11353739
    Abstract: A display device apparatus provides an increased color reproduction rate and/or contrast ratio. The display device includes a first substrate; a second substrate disposed on the first substrate; and a liquid crystal layer arranged between the first substrate and the second substrate. A reflective layer is disposed on the first substrate, a polarizing layer is disposed on one surface of the second substrate, and a metasurface pattern layer is disposed on the second substrate. The metasurface pattern layer includes a third substrate and a first metasurface pattern disposed on the third substrate.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junwoo Yoo, Donghyeon Lee, Sunhee Oh, Taeho Lee
  • Patent number: 11347115
    Abstract: A liquid crystal display panel includes a first substrate section having a first substrate and pixel electrodes (102). Each pixel electrode (102) includes a bridging portion (102c) provided between a first pixel electrode portion (102a) and a second pixel electrode portion (102b) and linking together the first pixel electrode portion (102a) and the second pixel electrode portion (102b). A first recess (102d) is provided at one side along the width direction of the pixel electrode (102), the first recess (102d) extending from one side along the width direction of the pixel electrode (102) toward the bridging portion (102c) and being located between the first pixel electrode portion (102a) and the second pixel electrode portion (102b).
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 31, 2022
    Assignees: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHA
    Inventors: Mitsuaki Hirata, Fumikazu Shimoshikiryoh
  • Patent number: 11287697
    Abstract: An electronic device may be provided with a display. The display may be mounted in a housing. Electronic components may be mounted in an interior region of the device. The display may have an array of pixels configured to display an image. A border region such as a ring-shaped border may run along the outermost peripheral edge of the array of pixels. The display may be covered by a transparent display cover layer. The transparent display cover layer may have opposing inner and outer surfaces. The inner surface may face the interior region of the device. A laser-marked light-scattering structure may be embedded within an interior portion of the display cover layer between the inner and outer surfaces. The light-scattering structure may be located in the border region and may be illuminated by a light-emitting device.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: March 29, 2022
    Assignee: Apple Inc.
    Inventors: Tyler S. Bushnell, Richard A. Davis, Christopher M. Werner
  • Patent number: 11281064
    Abstract: Provided are a transmittance variable window that maximizes user convenience and a moving means including the same including a first substrate and a second substrate facing each other; a first electrode and a first alignment layer sequentially stacked on a surface of the first substrate, the surface facing the second substrate; a second electrode and a second alignment layer sequentially stacked on a surface of the second substrate, the surface facing the first substrate; a liquid crystal layer interposed between the first alignment layer and the second alignment layer; a first polarizing plate disposed on a surface of the first substrate, the surface facing away from the second substrate; and a second polarizing plate disposed on a surface of the second substrate, the surface facing away from the first substrate, wherein if a potential difference applied between the first electrode and the second electrode is V, considering an incidence light incident on any one of the first polarizing plate and the second p
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: March 22, 2022
    Assignee: NDIS CORPORATION
    Inventors: Soon Bum Kwon, Burm Young Lee, Hee Sang Yoo, Da Som Yoon
  • Patent number: 11281058
    Abstract: A liquid crystal display device is provided with a thin film transistor which includes a gate electrode film that is provided in a first electrode layer located over a first insulating layer, a semiconductor film that is disposed over the gate electrode film via a second insulating layer, a drain electrode and a source electrode that are provided in a second electrode layer located over the semiconductor film and are in contact with an upper surface of the semiconductor film, and a light blocking film that is disposed under the first insulating layer. At least a part thereof overlaps the semiconductor film and the gate electrode film in a plan view. One of the drain electrode and the source electrode is connected to a gate line, and the light blocking film is electrically connected to the source electrode.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: March 22, 2022
    Assignee: Japan Display Inc.
    Inventors: Takahiro Ochiai, Motoharu Miyamoto, Masahiro Hoshiba
  • Patent number: 11262629
    Abstract: An active matrix substrate includes a gate metal layer, a source metal layer, an interlayer insulating layer, a first transparent conductive layer and second transparent conductive layer formed on or above the interlayer insulating layer, and a lower metal layer formed below the gate metal layer. The lower metal layer includes a plurality of CS bus lines each extending in a column direction and not overlapping a plurality of source bus lines. Each of the plurality of pixels has a drain extension section extending from a drain electrode, a first transparent electrode, a second transparent electrode connected to the drain extension section, and an auxiliary capacitor electrode that includes the lower metal layer and/or the gate metal layer, is electrically connected to at least any one of the plurality of CS bus lines, and overlaps the drain extension section when viewed in a normal direction of the substrate.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 1, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Yoshida
  • Patent number: 11256148
    Abstract: A transparent display device includes a first transparent electrode layer, a second transparent electrode layer disposed opposite to the first transparent electrode layer, and a liquid crystal mixture layer disposed between the first transparent electrode layer and the second transparent electrode layer, wherein the liquid crystal mixture layer includes liquid crystal molecules and quantum rods.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: February 22, 2022
    Inventor: Jun Hou
  • Patent number: 11252270
    Abstract: The present disclosure relates to a method of manufacturing a display screen and a special-shaped display screen. The method of manufacturing the display screen includes the following steps: processing the display screen by a material-reduction process to form the display screen with a first mounting groove; and processing the first mounting groove by a material-reduction process to form a second mounting groove. The display screen includes opposite disposed upper and lower surfaces, the first mounting groove and the second mounting groove extend through the upper surface and the lower surface, and a curvature radius of an orthographic projection of the second arcuate transition surface on a plane.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: February 15, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Min Zou, Xiaoxu Hu
  • Patent number: 11251234
    Abstract: A display unit of a display device includes a light emitting unit and a light converting layer disposed on the light emitting unit. The display unit emits an output light under an operation of the highest gray level, and the output light has an output spectrum. An intensity integral of the output spectrum from 380 nm to 489 nm defines as a first intensity integral, an intensity integral of the output spectrum from 490 nm to 780 nm defines as a second intensity integral, a ratio of the first intensity integral over the second intensity integral defines as a first ratio, and the first ratio is greater than 0% and less than or equal to 7.5%.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: February 15, 2022
    Assignee: InnoLux Corporation
    Inventors: Hsiao-Lang Lin, Jui-Jen Yueh, Kuan-Feng Lee, Jia-Yuan Chen
  • Patent number: 11243404
    Abstract: Compact and low mass augmented and fully virtual head mounted display designs are disclosed. The disclosed displays employ a display located between the eye and the main optical element of the head mounted display. These designs additionally afford the ability to support augmented reality displays because the user can see both the virtual image from the display and the real world if desired. The designs use semi-transparent displays where either the display emits circularly polarized light or the displays which emits light from one surface or the view of the display directly from the eye is obscured.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: February 8, 2022
    Assignee: Fakespace Labs, Inc.
    Inventors: Ian E. McDowall, Mark T. Bolas
  • Patent number: 11243422
    Abstract: Embodiments of the present disclosure provide a stereoscopic display device, a fabrication method and a stereoscopic display method. The stereoscopic display device includes a control device, a display screen and a substrate, wherein the control device is provided between the display screen and the substrate, and the control device is configured to adjust a distance between the display screen and the substrate.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: February 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenchu Dong
  • Patent number: 11226447
    Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65<Cx<0.69 and 0.29<Cy<0.3370 in color coordinates, and a green apex of a color region of the white light is positioned in a region of 0.17<Cx<0.31 and 0.61<Cy<0.70 in the color coordinates.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Eun Joo Jang, Shin Ae Jun, Hyun A Kang, Yongwook Kim, Na Youn Won, Hyo Sook Jang
  • Patent number: 11199741
    Abstract: According to an aspect, a display device includes: a coated polarization layer configured to absorb light linearly polarized in a second polarization direction perpendicular to a first polarization direction; an optical sheet configured to reflect light linearly polarized in the first polarization direction and transmit light linearly polarized in the second polarization direction; a front panel disposed between the coated polarization layer and the optical sheet and capable of changing a polarization direction of incident light into another polarization direction in accordance with a voltage applied to the front panel; and a display panel overlapping with the front panel with a polarization plate interposed therebetween, the polarization plate transmitting light linearly polarized in the second polarization direction to the optical sheet.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: December 14, 2021
    Assignee: Japan Display Inc.
    Inventors: Hirofumi Ohira, Koji Yoshida
  • Patent number: 11194212
    Abstract: An electrochromic device is provided. The electrochromic device may include a plurality of auxiliary electrodes spaced apart from each other in both a first direction and a second direction. The electrochromic device may improve an electrochromism rate and prevent a drive failure problem due to oxidation of the auxiliary electrode from spreading.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong Hyun Lee, Chang Yoon Lim, Su Hee Lee
  • Patent number: 11187933
    Abstract: A LCOS display panel comprises a silicon substrate, a pixel structure on the silicon substrate, a first and a second PI (polyimide) layers, a LC (liquid crystal) layer between the first and the second PI layers, wherein the second PI layer is disposed on the pixel structure, and the LC layer is disposed on the second PI layer, a glass substrate, an ITO (indium tin oxide) layer, a dam sealing a perimeter of the LCOS display panel to enclose the LC layer within the dam, wherein the dam is disposed between the first and second PI layers, and holds the silicon substrate and the glass substrate together, and a UV (ultra violet) cut filter in an active area of the LCOS display panel, wherein the active area of the LCOS display panel includes the LC layer and the pixel structure.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: November 30, 2021
    Assignee: OmniVision Technologies, Inc.
    Inventors: Pei-Wen Ko, Chun-Sheng Fan