Patents Examined by Thanh-Nhan P Nguyen
  • Patent number: 11906757
    Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kanghee Won, Young Kim, Jungkwuen An, Hongseok Lee
  • Patent number: 11868000
    Abstract: A first organic insulating film is arranged in a circumference area outside an active area on a first substrate. A circumference color filter is arranged in the circumference area on a second substrate. A second organic insulating film covers the circumference color filter. A seal material is arranged between the first and second organic insulating films to attach the first substrate and the second substrate. The seal material extends up to a position in which end portions of the first and second substrates overlap. A first spacer is arranged between the first and second organic insulating films in the circumference area. The first spacer is arranged on an active area side in the seal material. A second spacer is formed between the first and second organic insulating films in a position in which the end portions of the substrates overlap.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: January 9, 2024
    Assignee: Japan Display Inc.
    Inventor: Ayumi Mori
  • Patent number: 11860492
    Abstract: A liquid crystal display device is provided and includes first and second substrates; first wiring provided on first substrate along first direction; second wiring provided along second direction intersecting with first direction; thin-film transistor provided at intersection between first and second wirings; drain electrode electrically connected to thin-film transistor; organic insulating film formed on thin-film transistor and covering part of drain electrode; first opening that penetrates organic insulating film and exposing drain electrode; island-shaped electrode disposed on first opening and organic insulating film, and electrically connected to drain electrode; inorganic insulating film disposed on organic insulating film, the drain electrode, and the island-shaped electrode inside the first opening; a second opening that penetrates the inorganic insulating film and exposing the drain electrode; and a pixel electrode formed on the inorganic insulating film and electrically connected to the island-shap
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 11860482
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel 100 includes: a first substrate 111; a second substrate 112; and a sealant 132, adhering the first substrate 111 and the second substrate 112 in a sealed manner. The first substrate 111 is provided with at least one metallic wire 120 in a sealant region 130. The sealant region 131 is provided with a depressed portion 141.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 2, 2024
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Patent number: 11856824
    Abstract: The present invention provides a double-sided e-paper display panel including a first substrate, a second substrate, a light isolation layer, a first display medium layer, a second display medium layer, a first electrode layer, and a second electrode layer. The second substrate and the first substrate are disposed opposite to each other. The light isolation layer is disposed between the first substrate and the second substrate. The first display medium layer is disposed between the first substrate and the light isolation layer. The second display medium layer is disposed between the light isolation layer and the second substrate. The first display medium layer and the second display medium layer include a fluid and a plurality of charged particles. The first electrode layer is disposed between the first substrate and the first display medium layer. The second electrode layer is disposed between the second display medium layer and the second substrate.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: December 26, 2023
    Assignee: Wistron Corporation
    Inventor: Yao-Tsung Chang
  • Patent number: 11837607
    Abstract: A display device includes a liquid crystal element, a transistor, a scan line, and a signal line. The liquid crystal element includes a pixel electrode, a liquid crystal layer, and a common electrode. The scan line and the signal line are each electrically connected to the transistor. The scan line and the signal line each include a metal layer. The transistor is electrically connected to the pixel electrode. A semiconductor layer of the transistor includes a stack of a first metal oxide layer and a second metal oxide layer. The first metal oxide layer includes a region with lower crystallinity than the second metal oxide layer. The transistor includes a first region connected to the pixel electrode. The pixel electrode, the common electrode, and the first region are each configured to transmit visible light. Visible light passes through the first region and the liquid crystal element and exits from the display device.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: December 5, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kenichi Okazaki, Daisuke Kurosaki, Yasutaka Nakazawa, Kazunori Watanabe, Koji Kusunoki
  • Patent number: 11822079
    Abstract: An electronic device may have a display that provides image light to a waveguide. First and second liquid crystal lenses may be mounted to opposing surfaces of the waveguide. An coupler may couple the image light out of the waveguide through the first lens. The second lens may convey world light to the first lens. Control circuitry may control the first lens to apply a first optical power to the image light and the world light and may control the second lens to apply a second optical power to the world light that cancels out the first optical power. Each lens may include two layers of liquid crystal molecules having antiparallel pretilt angles. The pretilt angles and rubbing directions of the first lens may be antiparallel to corresponding pretilt angles and rubbing directions of the second lens about the waveguide.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: November 21, 2023
    Assignee: Apple Inc.
    Inventors: Jin Yan, Young Cheol Yang, Igor Stamenov, Scott M. DeLapp, Francesco Aieta, Bradley C. Steele, Enkhamgalan Dorjgotov, Se Baek Oh
  • Patent number: 11809050
    Abstract: A display device according to an embodiment includes a first substrate including a connection line; a second substrate facing the first substrate; and a connection pad connected to a side of surface of the first substrate and a side surface of the second substrate, wherein the connection pad includes a first portion contacting the side of the first substrate and the side surface of the second substrate, and a second portion that is disposed in each of the first substrate and the second substrate and contacting the connection wiring.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Soo Ryu, Byoung Yong Kim, Sang Duk Lee
  • Patent number: 11809046
    Abstract: A display panel, a manufacturing method of the display panel, and a display apparatus with the display panel are provided in the disclosure. The display panel includes a first substrate assembly, a second substrate assembly, a sealing frame assembly located between the first substrate assembly and the second substrate assembly. The sealing frame assembly includes at least one first electrode, at least one second electrode, and a sealing frame adhesive layer located between the at least one first electrode and the at least one second electrode. Particulate media are disposed in the sealing frame adhesive layer. The at least one first electrode is disposed at one side of the sealing frame adhesive layer facing the first substrate assembly, and the at least one second electrode is disposed at one side of the sealing frame adhesive layer facing the second substrate assembly.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: November 7, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jianying Zhang, Rongrong Li
  • Patent number: 11803077
    Abstract: A device includes a liquid crystal (“LC”) layer having a gradient refractive index distribution. The device also includes an electrode layer coupled to the LC layer. The electrode layer includes a plurality of electrodes separated by one or more gaps masked by a light shielding material.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: October 31, 2023
    Assignee: META PLATFORMS TECHNOLOGIES, LLC
    Inventors: Afsoon Jamali, Changwon Jang, Sandro Pintz
  • Patent number: 11774795
    Abstract: A liquid crystal display panel, including a display body, a lower polarizer, and a backlight plate. The display body includes a light transmission hole, the backlight plate includes a light shielding plate connected to the display body, the light shielding plate is provided with a first through hole coaxial with the light transmission hole; wherein the display body is provided with an annular shielding member located in the first through hole, the annular shielding member is provided with a second through hole coaxial with the light transmission hole, a diameter of the second through hole is greater than or equal to a diameter of the light transmission hole.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: October 3, 2023
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Pengfei Yu
  • Patent number: 11774787
    Abstract: Embodiments of a dual-sided transparent display panel are presented herein. One embodiment comprises a first panel subassembly and a second panel subassembly, each of the first and second panel subassemblies including a plurality of adjacent layers, the plurality of adjacent layers including, from an innermost layer to an outermost layer, a first electrode layer, a first polyimide layer, a liquid-crystal matrix, a second polyimide layer, a second electrode layer, and a glass layer; a waveguide disposed between an inner surface of the first electrode layer of the first panel subassembly and an inner surface of the first electrode layer of the second panel subassembly; and one or more light sources disposed along an edge of the waveguide that is perpendicular to the inner surface of the first electrode layer of the first panel subassembly and the inner surface of the first electrode layer of the second panel subassembly.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: October 3, 2023
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventor: Sean P. Rodrigues
  • Patent number: 11768408
    Abstract: A device having a stack of layers defining source and pixel conductors at a first level, gate and common conductors at a second level, semiconductor channels between the source and pixel conductors and gate dielectric capacitively coupling the semiconductor channels to the gate conductors. The pixel and common conductors are configured such that, in use, a change in potential difference between the pixel and common conductors in a pixel region induces a change in one or more optical properties of a liquid crystal material in the pixel region.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 26, 2023
    Assignee: Flexenable Technology Limited
    Inventor: James Harding
  • Patent number: 11726358
    Abstract: A system, apparatus, and method include a first display device having a first set of pixels adapted to output light; a second display device having a second set of pixels adapted to output light; a first transparent plate spaced apart from each of the first display device and the second display device. The first transparent plate includes a first set of photonic crystal structures arranged in a first direction and adapted to deviate a first path of the light transmitted from the first and second set of pixels at a first angle. A second transparent plate is spaced apart from the first transparent plate and includes a second set of photonic crystal structures arranged in a second direction different from the first direction and adapted to deviate a second path of the light transmitted through the first transparent plate at a second angle to create a third path of light.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 15, 2023
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventor: Joshua K. Lentz
  • Patent number: 11714312
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a through hole, and a facing area. The facing area includes a display area and a frame area. The second substrate includes a light-shielding layer and a colored layer. The light-shielding layer includes a first groove formed in a closed annular shape along the through hole and penetrating from the first substrate toward the second substrate. The colored layer is located in the first groove and is provided in an entire area of the first groove in a planar view.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: August 1, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Masaru Nakakomi, Masashi Shishikura
  • Patent number: 11686982
    Abstract: A display panel includes: a first substrate and a second substrate; a liquid crystal layer located between the first substrate and the second substrate; pixel electrodes located on a side of the first substrate proximate to the liquid crystal layer; and a light-shielding pattern located on a side of the second substrate proximate to the liquid crystal layer. The second substrate has a light-shielding region shielded by the light-shielding pattern and light-exiting regions not shielded by the light-shielding pattern. A pixel electrode in the pixel electrodes is configured to converge light entering the pixel electrode from the first substrate; and the pixel electrode is used to control a deflection state of a liquid crystal in the liquid crystal layer, so that light passing through the pixel electrode is incident to the light-shielding pattern and/or a corresponding light-exiting region.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: June 27, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiandong Meng, Jifeng Tan, Wei Wang, Qiuyu Ling, Xiaochuan Chen
  • Patent number: 11686961
    Abstract: A display panel capable of resisting external shock forces includes a display module to display an image having a first surface and a second surface, a first layer disposed on the second surface of the display module, and at least one second layer adjacent to the first buffer layer and having at least one opening configured to receive a deflected portion of the first layer.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Gyeong Ho Jeong
  • Patent number: 11681178
    Abstract: A liquid crystal display panel includes an array substrate and a color filter substrate which are arranged opposite to each other, and a liquid crystal layer. The color filter substrate includes a second substrate, a black matrix, a color resist layer, and photo spacers arranged on a common electrode. The photo spacers are arranged directly under the black matrix. The photo spacer includes a support spacer arranged on the common electrode and a buffer spacer arranged on the support spacer.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: June 20, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Mingyao Wang
  • Patent number: 11656526
    Abstract: A switchable light-collimating film can be used as a privacy filter for computer monitors or other display devices. The film comprises a plurality of elongated chambers having pigment particles, the position of which can be controlled by the applied electric field. Distribution of the pigment particles throughout the elongated chambers, as opposed to their concentration on one side of the chambers, narrows the viewing angle to the light passing through the film and provides privacy of the viewing images to the user.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: May 23, 2023
    Assignee: E Ink California, LLC
    Inventors: Craig Lin, Xiaolong Zheng, Yih-Ming Kang, HongMei Zang
  • Patent number: 11624958
    Abstract: A display device including optical sheet configured to transmit light linearly polarized in first polarization direction; first polarization member configured to absorb light linearly polarized in second polarization direction orthogonal to first polarization direction; front panel disposed between first polarization member and optical sheet, wherein optical sheet is disposed between front panel and display panel, and azimuth at which highest reflectance is obtained in reflective state in which incident light is reflected is azimuth at which highest transmittance is obtained in transmissive state in which incident light is transmitted.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: April 11, 2023
    Assignee: Japan Display Inc.
    Inventors: Hirofumi Ohira, Koji Yoshida