Patents Examined by Phu Vu
  • Patent number: 11960167
    Abstract: A backplane includes: a substrate including a circuit structure layer, a first reflective layer disposed on a bearing surface of the substrate, a plurality of light-emitting diode chips, and a plurality of optical structures. The first reflective layer includes a plurality of through holes spaced apart. A light-emitting diode chip in the plurality of light-emitting diode chips is located in one of the plurality of through holes. The plurality of light-emitting diode chips are electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the plurality of light-emitting diode chips to emit light. An optical structure in the plurality of optical structures covers the light-emitting diode chip, a light incident surface of the optical structure is in contact with a light exit surface of the light-emitting diode chip, and a light exit surface of the optical structure is a curved surface.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: April 16, 2024
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pei Li, Haiwei Sun, Ming Zhai, Lu Yu, Kangle Chang, Jinpeng Li, Pengjun Cao, Yutao Hao, Shubai Zhang, Shuo Wang, Pei Qin, Zewen Gao, Yali Zhang
  • Patent number: 11940710
    Abstract: According to one embodiment, a light control device includes a first liquid crystal cell including a first liquid crystal layer, a second liquid crystal cell including a second liquid crystal layer, and a polarization conversion element. The first liquid crystal layer and the second liquid crystal layer each includes a first region which scatters a first polarized component and transmits a second polarized component and a second region which transmits the first polarized component and scatters the second polarized component. The polarization conversion element overlaps the first region and the second region, converts the first polarized component into the second polarized component, and converts the second polarized component into the first polarized component.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: March 26, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tae Kurokawa, Takeo Koito, Masashi Mitsui
  • Patent number: 11934082
    Abstract: According to one embodiment, a light control device includes a first substrate including a plurality of first control electrodes disposed in an effective area, and a plurality of feed lines disposed in a peripheral area, a second substrate, and a first liquid crystal layer. The first control electrodes are transparent electrodes. Each of the first control electrodes includes, in the effective area, first segments crossing a first direction at a first angle, second segments crossing the first direction at a second angle, and third segments crossing the first direction at a third angle. The first control electrode is electrically connected to the feed line. The first to third angles are different from each other.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: March 19, 2024
    Assignee: Japan Display Inc.
    Inventors: Takeo Koito, Masashi Mitsui, Tae Kurokawa
  • Patent number: 11934072
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of the first strip electrode and the second strip electrode intersects with the extension direction of the third strip electrode and the fourth strip electrode at an angle other than 90°.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: March 19, 2024
    Assignee: Japan Display Inc.
    Inventors: Kojiro Ikeda, Takeo Koito, Koichi Nagao, Shinichiro Tanaka
  • Patent number: 11927852
    Abstract: An optical device is disclosed herein. In some embodiments, a optical device includes a liquid crystal element having a top surface, a bottom surface, and sides separating the top surface and the bottom surface, and an outer layer surrounding the sides of the liquid crystal element, wherein the liquid crystal element comprises a first base layer, a second base layer, a liquid crystal layer positioned between the first base layer and the second base layer, a pressure-sensitive adhesive layer positioned between the first base layer and the liquid crystal layer, and a spacer to maintain a gap between the first base layer and the second base layer, wherein the optical device satisfies Equation 1: ?T2×0.4?T1?T2?T2×0.4??[Equation 1] wherein, T1 is a thickness of the outer layer, and T2 is a thickness of the liquid crystal element.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Jung Sun You, Doo Young Huh, Dong Hyun Oh
  • Patent number: 11914244
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a first display substrate, a second display substrate, and a third display substrate; the second display substrate and the first display substrate are assembled to form a first liquid crystal cell; the third display substrate and the second display substrate are assembled to form a second liquid crystal cell; the display panel further includes a first wire grid polarizer on the second display substrate and a first bonding portion at a side of the second display substrate close to the first display substrate, and the first bonding portion is located outside the first liquid crystal cell; and an orthographic projection of the first wire grid polarizer on the second display substrate is not overlapped with an orthographic projection of the first bonding portion on the second display substrate.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 27, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hua Huang, Guangcai Yuan, Xin Gu
  • Patent number: 11906850
    Abstract: Embodiments of the present disclosure provide a liquid crystal display panel and a display device. The panel comprises a first and second polarizers, a liquid crystal layer, a first and second optical compensation films. The liquid crystal layer is disposed between the opposite first and second polarizers; the first optical compensation film is located between the first polarizer and the liquid crystal layer, and an optical axis of the first optical compensation film is parallel to a plane where the first optical compensation film is in; and the second optical compensation film is located between the first and second polarizers, an optical axis of the second optical compensation film is parallel to a plane where the second optical compensation film is in and perpendicular to the optical axis of the first optical compensation film, and in-plane retardations of the first and second optical compensation films are equal.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: February 20, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lintao Ji, Feifei Wang, Kaixuan Wang, Bowen Li, Xinli Ma, Jiao Li
  • Patent number: 11906848
    Abstract: A display for an information handling system includes a display panel, a semi-integrated guide panel, an integrated rear cover, and an optical cable. The semi-integrated guide panel is coupled to a back surface of the display panel. The integrated rear cover is in physical communication with the semi-integrated guide panel. The optical cable is in physical communication with and located in between the semi-integrated guide panel and the integrated rear cover. The optical cable provides one of a plurality of colors based on a determined condition.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: February 20, 2024
    Assignee: Dell Products L.P.
    Inventor: Guentaek Oh
  • Patent number: 11906837
    Abstract: A picture generation apparatus includes: a PCB on which one or more light sources are disposed; an LCD projecting an image using light that is emitted from the one or more light sources; a diffuser disposed between the PCB and the LCD; and a screen configured to be in contact with at least a portion of the LCD and discharge heat generated from the LCD.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 20, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Hyun Woo Kang
  • Patent number: 11906841
    Abstract: A polarizing device and a method for manufacturing the polarizing device, a display panel and a display device are provided. The polarizing device comprises a first polarizing layer and at least two second polarizing layers, wherein each of two sides of the first polarizing layer is provided with respective at least one of the second polarizing layers; a light transmission axis of the first polarizing layer is parallel to the first polarizing layer, a phase delay axis of the second polarizing layer is parallel to the second polarizing layer, an orthographic projection of the light transmission axis onto the first polarizing layer intersects with an orthographic projection of the phase delay axis onto the first polarizing layer to form an included angle, the included angle is configured to convert linear polarized light incident on the polarization assembly into polarized light emitted from the polarization assembly.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fan Yang, Jingxuan Wang, Xu Wang, Huiyan Li, Yu Zhang
  • Patent number: 11906838
    Abstract: A display module, a method of manufacturing the same, and a display device are provided. The display module comprises: a light guide plate; a blue light source, disposed at the light entering face of the light guide plate; and a display panel, disposed at a side of the light exiting face of the light guide plate, the display panel comprises a plurality of display units, and adjacent display units are spaced apart with a light shielding barrier wall; each display unit comprises a quantum dot unit and a liquid crystal unit arranged side by side, and the liquid crystal unit and the quantum dot unit are spaced apart with a transparent barrier wall; a side of the liquid crystal unit away from the light guide plate is provided with a first light shielding pattern.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 20, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dejiang Zhao, Lu Wang
  • Patent number: 11892718
    Abstract: A dual view display for an automotive vehicle comprises a spatial light modulator and a polar control retarder comprising a switchable liquid crystal retarder arranged between a first pair of polarisers. The switchable liquid crystal retarder comprises a polarisation-switch retarder and a polar control retarder with an average director that is directed towards an off-axis viewing location. In a first temporal phase of operation, the spatial light modulator and polar control retarder are arranged to direct light comprising a first image towards a first direction and in a second temporal phase of operation to direct light comprising a second image towards a second direction.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: February 6, 2024
    Assignee: RealD Spark, LLC
    Inventors: Graham J. Woodgate, Michael G. Robinson
  • Patent number: 11892734
    Abstract: Provided is a display panel. The display panel comprises an array substrate and a color filter substrate, wherein the color filter substrate comprises a second substrate and a black matrix pattern, wherein the black matrix pattern comprises a body, via hole shielding parts, and compensation shielding parts, the via hole shielding parts being disposed within first domains of part of plurality of sub-pixel regions, the compensation shielding parts being disposed within second domains that are adjacent in first direction to the first domains where the via hole shielding parts are disposed, and at most one of the via hole shielding part and the compensation shielding part being disposed in one sub-pixel region.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: February 6, 2024
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Zhao, Tong Yang, Yongcan Wang, Xianjie Shao
  • Patent number: 11880101
    Abstract: A display device is provided. The display device has a display side and includes: a first substrate, a flexible film, and a first adhesive material. The first substrate has a first surface, a second surface, and a side surface. The first surface is closer to the display side than the second surface. The side surface includes a first portion, a second portion, and a third portion. The second portion is located between the first portion and the third portion. In a cross-section view, a first included angle is formed between the first portion and an extension line of the first surface, and a second included angle is formed between the third portion and an extension line of the second surface. The flexible film is connected to the first substrate. The first adhesive material contacts at least a portion of the flexible film.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: January 23, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Cheng-Hsia Kuo, Chia-Wei Yen
  • Patent number: 11880097
    Abstract: A heads-up display includes a thin-film transistor (TFT) panel, along with at least one reflective polarizer subassembly. Each of the at least one reflective polarizer subassembly includes a clear substrate having opposing first and second surfaces. The first surface is connected to the TFT panel, and the second surface has a polarizing film laminated thereto. The first surface of the clear substrate is textured, frosted, or the like such that when it is attached to the TFT panel it inhibits bonding between the clear substrate and the TFT panel that would cause optical defects.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 23, 2024
    Assignees: DENSO International America, Inc.
    Inventors: Juan Martinez, Reben Werman, Nicholas Triglia
  • Patent number: 11874551
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. A display liquid crystal panel and a light control panel that are stacked. The display liquid crystal panel includes a first substrate and a second substrate that are opposite to each other; the light control panel includes a third substrate and a fourth substrate that are opposite to each other. The second substrate and the third substrate are between the first substrate and the fourth substrate. The first polarizer is between the second polarizer and the third polarizer. The first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the fourth substrate after passing through the second polarizer, the first polarizer, and the third polarizer in sequence.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai Yuan, Haixu Li
  • Patent number: 11874546
    Abstract: A display device includes a display panel including a polymer-dispersed liquid crystal layer between a pair of substrates, a transparent substrate disposed on at least one side of the display panel, and a lighting unit configured to project light from the side of the transparent substrate. The lighting unit includes at least one light source, at least one light guide incident with the light emitted from the light source, and a support member having an L-shaped cross section and extending along one side of the display panel to which the at least one light source and the at least one light guide are fixed. The at least one light source and the at least one light guide are disposed on different sides of the support member. The lighting unit is fixed to the transparent substrate or the display panel by the support member.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: January 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Kazuki Ichihara, Naoyuki Asano, Motoki Tsuda
  • Patent number: 11874548
    Abstract: An image forming panel device according to the present disclosure includes a panel unit including a first surface and a second surface on the opposite side of the first surface and including a panel configured to emit image light, a first metal frame disposed around an image forming region on at least one of the first surface and the second surface of the panel unit and having thermal conductivity, and a first planar heat generating body provided on a surface on the opposite side of a side where the panel unit is provided in the first metal frame and including a first heat generating wire for supplying heat to the entire periphery of the first metal frame.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: January 16, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masanobu Nakanishi, Tomoaki Miyashita
  • Patent number: 11874549
    Abstract: Provided are an optical element that can achieve both color difference control and luminance reduction at an oblique viewing angle, and a liquid crystal display device including the optical element and having excellent display quality. The optical element includes: a first polarizer; a first phase difference layer; a second phase difference layer; and a second polarizer, the first polarizer, the first phase difference layer, the second phase difference layer, and the second polarizer being arranged in the stated order, the first phase difference layer satisfying the formula nx>ny?nz, the second phase difference layer satisfying the formula nz>nx?ny, the first polarizer and the second polarizer being linear polarizers, transmission axes of the first polarizer and the second polarizer being parallel to each other, a slow axis of the first phase difference layer being orthogonal to a polarization axis of the first polarizer.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: January 16, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Ryosuke Saigusa, Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa
  • Patent number: 11874547
    Abstract: A film wrapping display includes a display device configured to display information in a display area by emitting light, a transparent plate disposed on a display surface side of the display device, a bezel disposed around a periphery of the display device and including a support portion that supports the transparent plate, and a film continuously attached to both of the transparent plate and the bezel. A periphery of the display area where the transparent plate is supported by the support portion is an edge portion. The edge portion includes a decorative layer whose pattern or color is different from that of the display area.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: January 16, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Motonari Ogura, Kaname Tomita