Patents Examined by Thoi V. Duong
  • Patent number: 11372279
    Abstract: The present invention provides a display and a method of manufacturing the same. The display includes a transistor substrate, a color filter substrate, and a liquid crystal cell. The liquid crystal cell includes a plurality of protrusion structures dividing the liquid crystal cell into a first liquid crystal region and a second liquid crystal region, and the first liquid crystal region and the second liquid crystal region respectively include a first liquid crystal and a second liquid crystal, wherein a product of an average refractive index and a thickness of the first liquid crystal is different from that of the second liquid crystal.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: June 28, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Xingwu Chen
  • Patent number: 11366362
    Abstract: A pixel electrode, an array substrate, and a display device are disclosed. The pixel electrode includes electrode regions and at least one hollow region distributed between the electrode regions. The hollow region includes a main body part and two ending parts located at two ends of the main body part, at least one ending part is an inflated portion having a width, and a width of the main body part is smaller than the width of the inflated portion. By using the present disclosure, the transparence is improved and the contrast and the power consumption are improved accordingly.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: June 21, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shidi Xiao
  • Patent number: 11360311
    Abstract: A head mounted display device includes a display, a light waveguide element, and a light shutter. The display periodically provides a display image. The light waveguide element receives the display image, generates a projection image according to the display image, projects the projection image from a second surface, and projects the projection image to a target zone from a first surface. The light shutter is adjacent to the second surface of the light waveguide element and is coupled to the light waveguide element. The light shutter is periodically disabled and enabled in an alternating manner.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: June 14, 2022
    Assignee: HTC Corporation
    Inventors: Cheng-Hsiu Tsai, Wei-Jen Chang, Fu-Cheng Fan
  • Patent number: 11347096
    Abstract: Light-control panels including layered optical components are described in this application. An example of a light-control panel includes first, second, and third glazing layers, first and second switchable components extending between the first and second glazing layers, and a third switchable component extending between the second and third glazing layers. The switchable components include a polymer-dispersed liquid-crystal (PDLC) device having a clear state and a hazy state, a guest-host liquid-crystal (GHLC) device having a clear state and a tinted state, and a light-guide device having a clear state and a bright state.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: May 31, 2022
    Assignee: Apple Inc.
    Inventors: David E. Kingman, Donald R. Monroe, Peter F. Masschelein, Clarisse Mazuir
  • Patent number: 11340500
    Abstract: A liquid crystal display device, comprising: a first substrate; a second substrate disposed opposite to the first substrate; a liquid crystal layer; and a spacer, wherein the first substrate includes a first pixel row, a second pixel row, a first source line and a second source line that extend in the second direction, a first gate line that extends in the first direction between the first pixel row and the second pixel row, a first thin film transistor to which the first source line, and the first gate line are electrically connected, and a second thin film transistor to which the second source line, and the first gate line are electrically connected, and the spacer is disposed so as to overlap with at least a portion of the first thin film transistor and at least a portion of the second thin film transistor in plan view.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: May 24, 2022
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Teruhisa Nakagawa
  • Patent number: 11333819
    Abstract: Disclosed includes a backlight assembly, a display device including such a backlight assembly and a method of obtaining backlight. The backlight assembly may comprise a light guide, a first grating on a first surface of the light guide and a light direction adjuster on a side of the first grating away from the light guide. The first grating may have a diffraction direction slanted relative to a thickness direction of the light guide and the light direction adjuster may be configured to change diffractive light coming from the first grating to a target direction.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiandong Meng, Wei Wang, Xianqin Meng, Qiuyu Ling, Jifeng Tan, Xiaochuan Chen
  • Patent number: 11314138
    Abstract: The present invention provides a display device including a display panel having a display surface, a polarizer disposed on the display surface, a first phase retardation layer disposed on one side of the polarizer opposite to the display surface, a polymerized cholesteric material layer disposed on one side of the first phase retardation layer opposite to the display surface, a second phase retardation layer disposed on one side of the polymerized cholesteric material layer opposite to the display surface, and a switchable polarizer disposed on one side of the second phase retardation layer opposite to the display surface. A first optical axis of the first phase retardation layer is orthogonal to a second optical axis of the second phase retardation layer. A first absorption axis of the polarizer is in the same direction as a second absorption axis of the switchable polarizer.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 26, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chien-Chi Chen, Wang-Shuo Kao, Hao-Shiun Yang, Shang-Chiang Lin
  • Patent number: 11307465
    Abstract: A display device includes a first substrate, first signal lines, and a first signal pad array. The first signal pads each includes a first pad portion connected to a corresponding first signal line, a second pad portion having a width larger than that of the first pad portion, and a third pad portion connecting the first pad portion with the second pad portion and having a width smaller than the width of the second pad portion. The first signal pads are disposed in a shape symmetrical with respect to an imaginary line. Each first signal pad has an angle between a direction in which the third pad portion is extended and a direction in which the second pad portion is extended. The angle of a first signal pad closer to the imaginary line is smaller than the angle of another first signal pad further away from the imaginary line.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Suk Jang, Young Min Cho, Ji Young Park
  • Patent number: 11300842
    Abstract: The present invention provides an array substrate and a liquid crystal display panel. The array substrate includes a substrate, a scan line, a data line, a thin film transistor, and a pixel electrode. The pixel electrode includes a trunk region and a branch region. In the pixel electrode, the data line is disposed along the trunk region. The present invention, by disposing the opaque data line in a region in which a trunk region of the opaque pixel electrode is located, reduces opaque regions of the array substrate and enhance the aperture ratio of the array substrate, which facilitates display quality of the liquid crystal display panel.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 12, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xiaowen Lv
  • Patent number: 11297213
    Abstract: A display panel, a fabricating method thereof, and a display device are provided. The display panel includes a first substrate, a second substrate, a liquid crystal layer, and a camera assembly. A side of the first substrate adjacent to the second substrate is provided with a color filter layer. The color filter layer is provided with a light-transmitting portion, and a side of the second substrate adjacent to the first substrate is provided with a thin film transistor layer. A deflection of the liquid crystal is controlled by the thin film transistor layer, thereby realizing the condition that the camera assembly under the screen obtains external light and visual effect of full-screen display.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: April 5, 2022
    Inventor: Weixin Ma
  • Patent number: 11281042
    Abstract: An optical film may include a first pattern layer having a first refractive index and including a base portion and a plurality of protrusions on the base portion x, and a second pattern layer disposed on the first pattern layer and having a second refractive index different from the first refractive index. Each of the protrusions may include n sub-protrusions (n is an integer of 2 or greater), which are stacked in a thickness direction of the base portion. Each of the n sub-protrusions may have a quadrilateral shape. A side surface of the protrusion defined by the n sub-protrusions may include at least one step portion. The optical film improves display quality of a display device in front and lateral directions.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: March 22, 2022
    Inventors: Jongmin Ok, Young Gu Kim, Jiyun Park, Jongho Son, Sun-Young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
  • Patent number: 11269211
    Abstract: A display device is disclosed. An embodiment of the display device includes a display panel, a plurality of light assemblies configured to provide light to the display panel, a light absorbing layer positioned on a path of light that is provided to the display panel by the plurality of light assemblies, the light absorbing layer configured to absorb light of a predetermined wavelength range, and a light shielding layer between the light assembly and the display panel, wherein the light shielding layer is configured to simultaneously shield the light provided by the plurality of light assemblies at a first portion and allow the light provided by the plurality of light assemblies to pass at a second portion.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: March 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwan Yi, Dongho Ham, Sangyeol Kim
  • Patent number: 11269217
    Abstract: A color conversion display panel includes a substrate. A color conversion portion is disposed on the substrate. The color conversion portion includes a semiconductor nanocrystal. A transmission portion is disposed on the substrate. A blue light blocking filter is disposed between the substrate and the color conversion portion. The blue light blocking filter includes a first convex portion that protrudes toward the substrate. The transmission portion includes a first region including a scatterer and a second region including a second convex portion that protrudes toward the substrate.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: March 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ja Hun Koo, Kyung-Hun Lee, Tae-Jong Jun, Woo-Young Cheon
  • Patent number: 11269222
    Abstract: According to one embodiment, a display device includes a first substrate including a first signal line and a second signal line adjacent to each other along a first direction, an organic insulating film located on the first signal line and the second signal line, and a first spacer located on the organic insulating film and a second substrate opposing the first substrate and including a second spacer opposing the first spacer. The organic insulating film has a through-hole between the first signal line and the second signal line in plan view. The first spacer is provided to overlap the through-hole in plan view and filling the through-hole.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: March 8, 2022
    Assignee: Japan Display Inc.
    Inventors: Morikazu Nomura, Yoshitaka Ozeki, Toru Kawamura
  • Patent number: 11269219
    Abstract: A display apparatus includes a substrate, an insulating layer, an alignment film, and a sealant. The insulating layer is disposed on the substrate and with a plurality of grooves. The alignment film is disposed on the insulating layer. The sealant is disposed on the alignment film. Wherein, the sealant overlaps at least a portion of the plurality of grooves. In a predetermined unit region, the side length of the predetermined unit region is a maximum width X of the sealant, and a total side length of the portions of the plurality of grooves located in the predetermined unit region is greater than 8 times of the maximum width X.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: March 8, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Shao-Hong Chen, Jui-Kang Tsui
  • Patent number: 11262625
    Abstract: A display device including: a first substrate including a first base substrate and a lower pad disposed on one end of the first base substrate on a side; a second substrate disposed above the first substrate and including a second base substrate and an upper pad disposed on an end of the second base substrate on the side; a side pad electrically connected to the lower pad and the upper pad; and a sealing member disposed between the first substrate and the second substrate. The sealing member includes an insulating resin and conductive balls dispersed in the insulating resin, and the upper pad and the lower pad are electrically connected to each other through the conductive balls.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae Hyun Park
  • Patent number: 11262600
    Abstract: The present application relates to a light modulation device and a use thereof. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 1, 2022
    Inventors: Hyun Jun Lee, Eun Jung Lim, Jung Sun You, Min Jun Gim, Dong Hyun Oh, Jin Hong Kim
  • Patent number: 11262630
    Abstract: A display panel includes an array substrate, an opposite substrate facing the array substrate, and a liquid crystal layer disposed between the array substrate and the opposite substrate. The array substrate includes a display area and a non-display area surrounding the display area, and the non-display area includes a first non-display area disposed adjacent to a side portion of the display area and a second non-display area other than the first non-display area. The first non-display area overlaps the opposite substrate. The array substrate and the opposite substrate have the same or substantially the same area and a wire member is disposed under the array substrate to be connected to an external circuit module. Accordingly, the display panel does not need an extra space for the wire member, and thus the non-display area is reduced.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Soo Jung, Young Gu Kim, Byoung-Hun Sung, Baekkyun Jeon
  • Patent number: 11243442
    Abstract: Disclosed are a modulated terahertz (THz) signal deflector and a preparation method thereof. The modulated THz signal deflector includes: a first transparent substrate and a second transparent substrate that are oppositely disposed, a liquid crystal layer, a transparent electrode layer, and a photo-alignment layer, wherein the photo-alignment layer has a control graph in which a molecule director is periodically and gradiently distributed along a specific direction, and the control graph is configured to control a liquid crystal molecule director in the liquid crystal layer to be periodically and gradiently distributed along a specific direction to form a blazed-grating phase distribution based on a geometric phase, and deflect an incident circularly polarized THz signal to a specific angle. The deflector provided in the present disclosure can deflect a THz signal to a specific angle, and can switch signal deflection and non-deflection functions by powering up a transparent electrode.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: February 8, 2022
    Assignee: GUANGZHOU RAILWAY POLYTECHNIC
    Inventors: Yanchun Shen, Jinlan Wang, Ximing Qiao
  • Patent number: 11237425
    Abstract: A display panel and a display device are provided. The display panel includes a first area, a second area, and a third area. A first distance is greater than or equal to a second distance, and a fourth distance is greater than or equal to a third distance. The first distance, the second distance, the third distance, and the four distance are measured by a length of an orthographic projection on a flexible substrate that a first side and a second side of each of black matrices in the first area and the second area exceed corresponding sides of corresponding data lines, respectively.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: February 1, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuejun Tang, Xueyun Li