Patents Examined by Jia X Pan
  • Display panel and preparation method thereof
    Patent number: 11506941
    Abstract: The present disclosure relates to a display panel. The display panel may include a first substrate, a second substrate opposite the first substrate, and a frame supporting structure between the first substrate and the second substrate in a frame area of the display panel. The frame area of the display panel may surround a display area of the display panel. The frame supporting structure may include a first frame supporting portion on at least one part of a circumference of the display area, the first frame supporting portion comprises an elastic material, and an elastic recovery rate of the elastic material is above about 80%.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: November 22, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Lin Zhang, Hongliang Wang, Ke Dai
  • Optical film stack including retardation layer
    Patent number: 11506926
    Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: November 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Sun-Yong Park, Song-Geun Lee, Matthew B. Johnson, Adam D. Haag
  • Lighting unit with laminate structure
    Patent number: 11506938
    Abstract: A lighting unit includes a glass laminate structure including a base layer formed from a first glass composition with a refractive index nbase and a surface layer fused to a surface of the base layer and formed from a second glass composition with a refractive index nsurface. The surface layer includes a high refractive index region with a refractive index nhigh and a low refractive index region with a refractive index nlow. nbase and nsurface satisfy the equation |nsurface?nbase?0.001, nhigh is greater than or equal to nbase 1, and nlow is less than nbase. The high refractive index region is optically coupled to the base layer such that at least a portion of light propagating through the base layer leaks out of the base layer and into the high refractive index region. A display device or a luminaire can include the lighting unit.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: November 22, 2022
    Assignee: CORNING INCORPORATED
    Inventors: Venkata Adiseshaiah Bhagavatula, Natesan Venkataraman
  • Display screen module and terminal
    Patent number: 11493796
    Abstract: Disclosed are a display screen module and a terminal device. The display screen module may include: a backlight module, an LCD screen arranged above the backlight module, a light-transmissible cover plate arranged above the LCD screen, a first light source arranged in a backlight light source of the backlight module, a reflective component arranged between the LCD screen and the cover plate, and a light-receiving module configured to receive light reflected by the reflective component so as to carry out fingerprint recognition.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: November 8, 2022
    Assignee: ZTE CORPORATION
    Inventor: Jiacheng He
  • Substrate
    Patent number: 11493807
    Abstract: A substrate on which a specific type spacer is formed, a substrate comprising an alignment film formed on the spacer, and an optical device using such a substrate are disclosed herein. By controlling the shape of the spacer formed on the substrate, even when the alignment film is formed on the top of the spacer and the orientation treatment is performed, the uniform orientation treatment can be performed without any influence by the step or the like of the spacer, whereby a substrate or the like capable of providing a device having excellent optical performance can be provided.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 8, 2022
    Inventors: Han Min Seo, Ji Young Hwang, Cheol Ock Song, Nam Seok Bae, Seung Heon Lee, Dong Hyun Oh, Jung Sun You
  • Projection type transparent display
    Patent number: 11493787
    Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: November 8, 2022
    Assignee: NATIONAL SUN YAT-SEN UNIVERSITY
    Inventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin
  • Laminate and image display device
    Patent number: 11487152
    Abstract: The present invention provides a laminate and an image display device, in which alignment defects of a liquid crystal layer provided on an optical alignment layer are suppressed. The laminate includes an optical alignment layer and a liquid crystal layer provided on the optical alignment layer. In the laminate, the liquid crystal layer is formed from a liquid crystal composition containing a liquid crystal compound and a surfactant, and the liquid crystal compound is immobilized in a horizontal alignment state, and the surfactant is a copolymer having a repeating unit containing a fluorinated alkyl group and having a repeating unit containing a mesogenic group.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: November 1, 2022
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Hoshino
  • Polarizer and preparation method thereof and display device
    Patent number: 11467443
    Abstract: The present application discloses a polarizer and a preparation method thereof and a display device. Embodiments of the present disclosure provides a polarizer, wherein the polarizer includes: a polarizing layer, and a depolarizing layer located on a light emitting side of the polarizing layer; the depolarizing layer includes: nanoparticles, and a reflective part covering the nanoparticles; and the reflective part covering the nanoparticles generates resonance scattering with incident light.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 11, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Yu Zhang, Guangyun Tong, Zhuolong Li, Mingzhe Ye, Bochang Wang
  • Display device
    Patent number: 11460734
    Abstract: A display device includes a first substrate comprising an insulating film, a first organic layer on the insulating film, and a plurality of pixels arranged in a matrix in an active area. The display device further includes a second substrate comprising a black matrix and a second organic layer stacked on the black matrix. The display device also includes a seal material that attaches the first substrate and the second substrate in a circumference area outside the active area. The first organic layer includes a first opening portion which exposes the insulating film, the second organic layer includes a second opening portion which exposes the black matrix, and the first opening portion and the second opening portion overlap the seal material.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: October 4, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventor: Ayumi Mori
  • Digital instrument cluster comprising dual display plastic lens
    Patent number: 11409146
    Abstract: The present disclosure relates to a dual-display digital cluster for use with a vehicle, which includes a plastic lens having a plurality of curvatures, super retardation films (SRFs) adhered to a plurality of positions on a rear surface of the plastic lens by using an optically clear adhesive (OCA), a plurality of liquid crystal displays (LCDs) each adhered to rear surfaces of the super retardation films by using an optically clear resin (OCR), a carrier bezel configured to be assembled to a rear side of the plastic lens, to support the plurality of LCDs closely, and to prevent the plastic lens from being deformed, a rear cover assembled to a rear side of the carrier bezel, and at least one printed circuit board (PCB) disposed between the carrier bezel and the rear cover.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: August 9, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Joung Hoon Lee
  • Backlight module and method of regulating transmittance thereof
    Patent number: 11397349
    Abstract: The present invention provides a backlight module and a method of regulating transmittance thereof. The backlight module includes: a substrate; a plurality of miniature light emitting diodes (mini-LEDs) disposed on the substrate at intervals; a polymer network liquid crystal layer disposed above the plurality of mini-LEDs, wherein the polymer network liquid crystal layer is a multilayered structure or a single-layered structure; and an optical functional layer disposed above the polymer network liquid crystal layer.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: July 26, 2022
    Inventor: Fancheng Liu
  • Display panel, display module and electronic device
    Patent number: 11397353
    Abstract: A display panel, a display module, and a display device are provided. The display panel includes a total reflection display unit and a frame enclosing the reflective display unit. The frame includes a light-shielding portion and a reflective layer. The light-shielding portion has a first surface parallel to a first direction and a second surface oppositely located to the first surface. The reflective layer covers the first surface or the second surface. The reflective layer can reflect the light irradiated on the surface of the light shielding portion or entering the light shielding portion back to the total reflection display unit again, avoiding the waste caused by the scattered light caused by the propagation path of the light, thereby improving the utilization rate of light.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: July 26, 2022
    Assignee: JRD Communication (Shenzhen) LTD.
    Inventors: Ping Chen, Ke Lin, Yang Yu, Jitao Ma, Yafang Xi
  • Display apparatus
    Patent number: 11391986
    Abstract: A display apparatus includes a display panel configured to display an image; a light source module provided behind a rear surface of the display panel and configured to emit light to the display panel, the light source module including a glass substrate and a light source provided behind a rear surface of the glass substrate; and a rear chassis covering the display panel and the light source module, wherein the light source is provided between the glass substrate and the rear chassis.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungho Kim, Chanhong Park, Junghyun Yoon, Hyojae Jang, Sungho Choi
  • Display device and frame for the display device
    Patent number: 11372274
    Abstract: The present disclosure provides a display device and a frame for the display device, which relate to display technologies. The display device includes an optical film layer, a frame and a positioning member. The optical film layer is provided with a positioning hole. The frame is provided with a first supporting surface for supporting the optical film layer and a first positioning groove opened on the first supporting surface. The positioning member penetrates through the positioning hole and is fixed to the first positioning groove.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 28, 2022
    Assignees: K-Tronics (Suzhou) Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangning Hao, Tao Ni, Yaojun Sun
  • Display device
    Patent number: 11333916
    Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display portion, a second area adjacent to the first area, and an organic film. The second substrate has a substrate end along a boundary between the first area and the second area, and overlaps the first area. The first substrate includes an alignment film located in the display portion, terminals located in the second area and connected to a signal source, and a first groove formed in the organic film and located between the substrate end of the second substrate and the terminals in the second area. The terminals are arranged in a first direction. The first groove extends in the first direction along the terminals.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: May 17, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masashi Shishikura
  • Array substrate, method of driving array substrate, method of fabricating array substrate, and display panel
    Patent number: 11327354
    Abstract: An array substrate, a method of driving an array substrate, a method of fabricating and array substrate, and a display panel including an array substrate are provided. The array substrate includes a base substrate, a first electrode and a second electrode on the base substrate, a polymer-dispersed liquid crystal layer between the first electrode and the second electrode, and a reflective layer on a side of the polymer-dispersed liquid crystal layer opposite from the base substrate. The polymer-dispersed liquid crystal layer is configured to switch between a transparent state and an opaque state in accordance with a voltage applied between the first electrode and the second electrode.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: May 10, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kui Gong, Xianxue Duan, Tianzhen Liu, Cheng Chen
  • Display panel, method for manufacturing the same and display device
    Patent number: 11327359
    Abstract: Discloses are a display panel, a method of manufacturing the same and a display device. The display panel includes: a first substrate; a second substrate disposed opposite to the first substrate; and a reflective structure group disposed on the first substrate, the reflective structure group includes a plurality of reflective structures in one-to-one correspondence with visual fields of view, and a reflective surface of each reflective structure of the reflective structures faces the second substrate, and the reflective structure is configured to reflect light from the second substrate in a predetermined direction to a corresponding field of view.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: May 10, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Tao, Wei Xue, Li Sun, Hongmin Li, Liqing Liao
  • Display device
    Patent number: 11314124
    Abstract: The present invention provides a display device. Multiple functional layers on a display panel are provided with a functional region arranged corresponding to a camera module. The functional region includes a light transmissive region arranged corresponding to a first hole and a light shielding region arranged around the light transmissive region. The light shielding region is arranged corresponding to the light shielding member in a backlight module, and the light shielding region shields a light shielding member. Such configuration improves a problem that an aperture of an opening region of an under-screen camera deforms due to the light shielding member.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: April 26, 2022
    Inventor: Pengfei Yu
  • Display panel and display device
    Patent number: 11307444
    Abstract: The present invention discloses a display panel and a display device. The display panel includes: a backlight module including a light-exiting side; and a display module including: a liquid crystal panel disposed on the light-exiting side of the backlight module, a surface glass attached to a surface of the liquid crystal panel away from the backlight module, and a front frame component disposed around the display module and fixing the display module to the backlight module.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 19, 2022
    Assignee: Shenzhen China Star Optoelectrenics Semiconductor Display Technology Co., Ltd.
    Inventor: Rong Xia
  • Polarizing edge coupled light in backlight
    Patent number: 11294239
    Abstract: A backlight apparatus can include a light emitting element configured to emit visible light. The backlight apparatus can include a polarizing device including a prism situated to receive the visible light and to polarize the visible light to generate polarized light. The backlight apparatus can include a light guide panel configured to receive the polarized light at an input surface facing the polarizing device and to distribute the polarized light to a major surface of the light guide panel facing a display screen.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 5, 2022
    Assignee: Lumileds LLC
    Inventors: Mehdi Aas, Nicola Bettina Pfeffer, Arjen Gerben Van der Sijde, Erno Fancsali