Patents Examined by Nathanael R Briggs
  • Patent number: 11327357
    Abstract: A liquid crystal display device of the present invention includes in the following order from a viewing surface side a first polarizer, a first positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a positive C plate having a thickness retardation of 80 nm or greater and 100 nm or smaller, a first substrate, a second positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a horizontally aligned liquid crystal layer, a second substrate, a viewing angle compensation layer, and a second polarizer. The device further includes between the first polarizer and the first positive A plate a positive C plate having a thickness retardation of 30 nm or greater and 80 nm or smaller.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: May 10, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai, Takako Koide, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 11314098
    Abstract: A light-collimating film including elongated chambers of bistable electrophoretic fluids. The light-collimating films are suitable to control the amount and/or direction of light incident to a transmissive substrate. Such films may be integrated into devices, such as LCD displays, to provide a zone of privacy for a user viewing the LCD display. Because the light-collimating film is switchable, it allows a user to alter the collimation of the emitted light on demand. Because the films are bistable, they do not require additional power after they have been switched to a display state.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: April 26, 2022
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Xiaolong Zheng, Pubudu Thilanka Galwaduge, Craig Lin, Yih-Ming Kang, HongMei Zang, Hui Du
  • Patent number: 11314121
    Abstract: A color filter substrate and a display device are provided. The color filter substrate includes a color filter base and a black matrix layer. The color filter base includes an active area and a frame area disposed beside the active area. The black matrix layer is disposed on the color filter substrate and positioned in the active area and a portion of the frame area. An edge of the frame area of the color filter base is provided with a groove.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: April 26, 2022
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chaojun Zhao, Fei Ai, Shiyu Long
  • Patent number: 11309616
    Abstract: A tunable band-stop filter, a method of driving a tunable band-stop filter and an electronic device are provided. The tunable band-stop filter includes a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. The first substrate includes a wire structure on a first base substrate, the second substrate includes a common electrode on a second base substrate. The wire structure includes a first wire structure and a second wire structure. The first wire structure, the common electrode, and the liquid crystal layer between the first wire structure and the common electrode constitute a first phase modulation structure, and the second wire structure, the common electrode, and the liquid crystal layer between the second wire structure and the common electrode constitute a second phase modulation structure.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yongchun Lu
  • Patent number: 11305621
    Abstract: A display system for a vehicle comprises a display device disposed inside a passenger compartment of the vehicle. The passenger compartment is configured to receive light from a first polarization filter disposed on a light-transmissive panel of the vehicle. The first polarization filter is oriented in a first orientation and the display device is configured to display video data from a display screen. The display device comprises an electro-optic element comprising a plurality of substrates and a second polarization filter disposed on at least one of the plurality of substrates. The second polarization filter is oriented in a second orientation parallel to the first orientation.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: April 19, 2022
    Assignee: GENTEX CORPORATION
    Inventors: Ethan J. Lee, John A. VanderPloeg, Andrew D. Weller
  • Patent number: 11300826
    Abstract: A display device capable of displaying images with wide color gamut is provided. A display device capable of displaying images with wide color gamut and capable of relaxing contrast made by narrow spectra is provided. The display device includes a liquid crystal element and a light-emitting element. Light obtained from the liquid crystal element through a color filter has an NTSC area ratio of more than or equal to 20 percent and less than or equal to 60 percent and light emitted by the light-emitting element has a BT.2020 area ratio of more than or equal to 80 percent and less than or equal to 100 percent.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 12, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Satoshi Seo, Ryo Hatsumi
  • Patent number: 11300835
    Abstract: A reliability of seal portion of a liquid crystal display device can be improved by the following structure. A liquid crystal display device includes: a TFT substrate which includes a display region and a terminal part, and has an inorganic insulating film formed on an organic passivation film and an alignment film formed over the inorganic insulating film; a counter substrate, the TFT substrate and the counter substrate bonded together by a sealing material formed at a seal part surrounding the display region; and a liquid crystal sealed inside. At the seal part, a transparent conductive oxide film is formed between the inorganic insulating film and the alignment film. The transparent conductive oxide film exists inside an edge of the TFT substrate and hence, the edge of the TFT substrate is free of the transparent conductive oxide film.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: April 12, 2022
    Assignee: Japan Display Inc.
    Inventors: Takenori Hirota, Yasuhiro Kanaya, Hidehiro Sonoda, Toshiki Kaneko
  • Patent number: 11287928
    Abstract: A touch display device and a touch display are provided. The touch display device includes a touch electrode and a backlight module disposed opposite to the touch electrode. The backlight module includes a backlight film and a backlight iron frame supporting the backlight film. The backlight film is disposed between the touch electrode and the backlight iron frame; and the touch electrode and the backlight iron frame are electrically connected to a touch signal terminal. The touch signal terminal is configured to transmit a touch signal to the touch electrode and the backlight iron frame. The touch electrode and the backlight iron frame receive a same touch signal, thereby eliminating the capacitance coupling effect between the touch electrode and the backlight iron frame, increasing touch sensitivity, and reducing vibration noise of the backlight film. The touch display includes the touch display device, and has advantages of the touch display device.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: March 29, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yaoli Huang
  • Patent number: 11287915
    Abstract: According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: March 29, 2022
    Assignee: Japan Display Inc.
    Inventors: Yoshinori Aoki, Yuji Maede, Jin Hirosawa, Yuzo Kanari
  • Patent number: 11287701
    Abstract: A switchable panel is described that includes exterior layers, lamination layers extending between the exterior layers to outer edges of the switchable panel, a switchable component extending between the lamination layers and having a switchable component height, and a tension control component that prohibits a change of greater than ten percent to the switchable component height when tension is applied to the switchable panel.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: March 29, 2022
    Assignee: Apple Inc.
    Inventors: Peter F. Masschelein, Yuan Chen, Derek C. Scott
  • Patent number: 11281031
    Abstract: An optical dimming device includes at least one polarization rotator configured to switch a polarization of a linearly polarized component of an incoming light between two orthogonal polarizations. The optical dimming device also includes at least one polarizer coupled with the at least one polarization rotator, and configured to output a light having a light intensity reduced to a predetermined percentage of an initial light intensity of the incoming light. The predetermined percentage is substantially the same for different incoming lights having different initial polarizations.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: March 22, 2022
    Assignee: FACEBOOK TECHNOLOGIES, LLC
    Inventors: Jasmine Soria Sears, Afsoon Jamali, Gareth Valentine, Nathan Matsuda
  • Patent number: 11280944
    Abstract: The optical element is an optical element comprising a first optically anisotropic layer which is a cured layer of a liquid crystal composition containing a first disk-like liquid crystal compound, in which the optical element has a liquid crystal alignment pattern in which an optical axis of the first disk-like liquid crystal compound is parallel to a surface of the first optically anisotropic layer, the first optically anisotropic layer is disposed along at least one direction in a plane of the first optically anisotropic layer, and orientation of the optical axis of the first disk-like liquid crystal compound rotationally changes continuously, and the orientation of the optical axis rotates by 180° with a period of 0.5 ?m to 5 ?m.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: March 22, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Yukito Saitoh, Hiroshi Sato
  • Patent number: 11275276
    Abstract: A display device includes a display panel and a light source configured to provide a first color light to the display panel. The display panel includes a first display substrate (DS), a second DS facing the first DS, a column spacer disposed between the first and second DSs, and a liquid crystal layer filled between the first and second DSs. The first DS includes: a first base substrate (FBS); a thin film transistor (TFT) disposed on the FBS, the TFT including a gate electrode, first and second electrodes, and an activation layer; a first insulation layer (IL) covering the TFT and disposed on the FBS; and a second IL disposed on the first IL and including an opening exposing a first portion of the first IL overlapping the activation layer. The column spacer is disposed on the first portion to cover the activation layer and shield the first color light.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: March 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keunwoo Park, Yeogeon Yoon, Hee-keun Lee, Taejin Kong, Wontae Kim, Seok-joon Hong
  • Patent number: 11269224
    Abstract: An optical assembly, a display device and a method for driving the same are provided. The optical assembly includes two substrates disposed opposite to each other, and electrodes are disposed on the two substrates respectively. Voltages are applied to the electrodes to form a transverse electric field being configured for driving liquid crystal molecules proximal to the substrates to deflect, so that liquid crystal proximal to the two substrates both form liquid crystal lenses, thereby forming a double-layer liquid crystal lens structure. Since the two substrates of a liquid crystal cell have high alignment accuracy, the electrodes on the two substrates are consistent in spatial distribution, thereby solving mura problem.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qian Wang, Xiaochuan Chen, Wenqing Zhao, Zhongxiao Li, Xiaochen Niu
  • Patent number: 11269131
    Abstract: An optical device is provided. The optical device includes a first optical element configured to output an elliptically polarized light having one or more predetermined polarization ellipse parameters. The optical device also includes a second optical element including a birefringent material with a chirality, and configured to receive the elliptically polarized light from the first optical element and reflect the elliptically polarized light as a circularly polarized light.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: March 8, 2022
    Assignee: FACEBOOK TECHNOLOGIES, LLC
    Inventors: Fenglin Peng, Junren Wang, Yuge Huang, Lu Lu, Yusufu Njoni Bamaxam Sulai, Ying Geng, Jacques Gollier, Barry David Silverstein, Yu-Jen Wang, Yun-Han Lee
  • Patent number: 11269213
    Abstract: The present disclosure provides a display panel, a display device, and an in-vehicle device. The display panel includes: a first substrate and a second substrate opposite to each other, wherein a liquid crystal layer is filled between the first substrate and the second substrate; a pixel electrode and a common electrode configured to generate an electric field for controlling liquid crystal molecules in the liquid crystal layer to be deflected; a light reflectance adjusting layer disposed on one side of the second substrate away from the liquid crystal layer, wherein a light reflectance of the light reflectance adjusting layer is inversely related to an intensity of an environmental electric field.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 8, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tao Ma, Shengli Liu, Rong Liu
  • Patent number: 11269228
    Abstract: The present disclosure provides a cover plate, a method for preparing the same, and a display device. The cover plate provided by the present disclosure is applied to a display device. The cover plate includes two main surfaces that are arranged opposite to each other and a side surface connecting the two main surfaces, in which a groove is formed in the side surface, and a chromogenic material layer and a chromogenic control structure for controlling the chromogenic material layer are arranged in the groove.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 8, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhi Zhang, Xuemei Zhao, Qingpu Wang, Li Yin
  • Patent number: 11262621
    Abstract: The present application relates to an optical film layer and a display device. The optical film layer comprises: an isotropic optical layer, a plurality of grooves being formed on one side of the isotropic optical layer; a single optical axis anisotropic optical layer, comprising a plate-shaped part and a plurality of convex structures which match the shape and size of the grooves and which are attached to one side of the plate-shaped part, the ordinary light refractive index of the single optical axis anisotropic optical layer is greater than that of the isotropic optical layer; a first grating layer, stacked on the side of the single optical axis anisotropic optical layer away from the isotropic optical layer or embedded in the side of the single optical axis anisotropic optical layer away from the isotropic optical layer.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 1, 2022
    Assignee: HKC Corporation Limited
    Inventor: Jianfeng Shan
  • Patent number: 11262622
    Abstract: A display panel includes: a first substrate; a second substrate; a first alignment film layer provided on the first substrate, wherein the first alignment film is sandwiched between the first substrate and the second substrate; a plurality of protruding regions formed about a perimeter edge portion of the first substrate, wherein the plurality of protruding regions include an associated trench region provided in a plurality thereof, wherein each trench region includes at least one trench, each trench being configured to retain a portion of the first alignment film layer or the second alignment film layer when sandwiched between the first substrate and the second substrate so as to limit shrinkage of the first alignment film layer or the second alignment film layer during operation of the display panel.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hui Li
  • Patent number: 11256123
    Abstract: A display panel and a terminal device including the same are provided. The display panel includes a touch screen configured to present display content, a supplementary light module that includes a light emitting element configured to provide supplementary light and a light guide element configured to guide the supplementary light to the touch screen, and a display substrate configured to form the display content. The display panel can increase brightness of the touch screen, so that users can see the display content on the display panel clearly even in a dim environment, which improves universality of reflective liquid crystal displays.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: February 22, 2022
    Assignee: JRD Communication (Shenzhen) LTD.
    Inventors: Jitao Ma, Panwei Xiong, Ping Chen, Yafang Xi