Patents Examined by Richard H Kim
  • Patent number: 11262627
    Abstract: The present disclosure provides a liquid crystal display panel and a display device. The liquid crystal display panel comprises a display region and a non-display region disposed around the display region, and the display region comprises a center region and edge regions located at four corners of the center region. Pixels in the liquid crystal display panel comprise a main-pixel region and a sub-pixel region, wherein the pixels comprise first pixels intersecting a boundary line between the edge regions and the non-display region, and at least two first pixels are symmetrical about a horizontal centerline. Brightness of an upper portion and a lower portion of the horizontal center line are same in the present disclosure.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: March 1, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yunglun Lin
  • Patent number: 11262631
    Abstract: The preset disclosure provides an array substrate and a method for manufacturing the same, a display panel and a display device. The array substrate includes: a base substrate; data lines and pixel electrodes located on the base substrate, and a light shielding structure located on a side of the data lines close to the base substrate, orthographic projections of the gaps on the base substrate are located within an orthographic projection of the light shielding structure on the base substrate, and the light shielding structure includes a metal layer and a first transparent layer located on a side of the metal layer away from the base substrate.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 1, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yihe Jia, Xiangqian Ding, Xiaoxiang Zhang, Hao Han, Lianjie Yang, Yongzhi Song, Yan Pang
  • Patent number: 11256124
    Abstract: A liquid crystal display device, includes a cover glass; a liquid crystal display module disposed below the cover glass; and a backlight module disposed below the liquid crystal display module and including a light emitting source, a light guide plate, a reflector sheet, a diffuser film, a prism film, a dual brightness enhancement film, and a plastic frame. Both sides of the liquid crystal display module between the cover glass and a top surface of the plastic frame and a partial area of the top surface of the plastic frame are coated with an opaque plastic adhesive.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: February 22, 2022
    Inventor: Wei Zhang
  • Patent number: 11249353
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 15, 2022
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro
  • Patent number: 11243423
    Abstract: A uniform bezel display uses off-axis illumination from within a rear cavity to direct light into a backlight that distributes the light to a liquid crystal display panel. A light source, such as plural LEDs interfaced with a circuit board, is disposed on a beveled surface formed in the cavity and aligned to direct light into a reflective surface of the backlight interior. Offset placement of the light source in a cavity of the display housing reduces the footprint of the light source at the side of the housing perimeter so that a uniform width bezel will cover the LCD panel around the housing perimeter.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: February 8, 2022
    Assignee: Dell Products L.P.
    Inventors: Guentaek Oh, Hyunseok Ko
  • Patent number: 11237439
    Abstract: The present application provides a display panel and a display device; at least one first interval and at least one second interval are defined between a plurality of light-shielding patterns of a first substrate of the display panel, a plurality of color films with different colors are disposed in different ones of the first intervals respectively; and a light-shielding member is disposed on a second substrate and opposite to the second interval. The present application realizes an anti-peep function by disposing an anti-peep structure between the first substrate and the second substrate, so as to alleviate a problem of complicated stacking structure of a current anti-peep film.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: February 1, 2022
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.
    Inventors: Dongchen Huang, Min Wang, Yuexia Lin
  • Patent number: 11231541
    Abstract: An electronic device includes a light source member configured to provide a first light, a color conversion member disposed on the light source member and including a first conversion material that converts the first light into a second light and a second conversion material that converts the first light into a third light, and a low-refractive index layer disposed on the light source member and disposed on at least one of upper and lower portions of the color conversion member. The low-refractive index layer includes a matrix part, a plurality of hollow inorganic particles dispersed in the matrix part, and a plurality of void parts defined by the matrix part.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungseon Tak, Younggu Kim, Taekjoon Lee, Sun-Young Chang, Jin-Soo Jung, Jongmin Ok, Hyelim Jang, Baekkyun Jeon
  • Patent number: 11231606
    Abstract: Embodiments of the present invention provide a conductive substrate, a manufacturing method thereof and a display device. The conductive substrate includes a base substrate and a first conductive layer and a second conductive layer disposed on the base substrate, wherein the first conductive layer and the second conductive layer contact with each other, the first conductive layer is configured to be electrically connected with separated parts after the second conductive layer is fractured, and the first conductive layer includes a composite material layer or a nanowire conductive network layer.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: January 25, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Yuxin Zhang
  • Patent number: 11226519
    Abstract: A light modulation element and the use thereof are provided. The light modulation element can suppress a surface waviness phenomenon upon surface reflection visual observation by improving surface waviness of a base film caused by a spacer. Such light modulation element can be applied to various flexible display devices to improve the quality of products.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: January 18, 2022
    Inventors: Jung Sun You, Dong Hyun Oh, Nam Gyu Kim, Eun Jung Lim
  • Patent number: 11223025
    Abstract: A foldable display device includes a flexible display module having an electroluminescent unit, a flexible functional module on the flexible display, the flexible functional module having at least one function selected from the group of polarization, a color filtering, color conversion, a touch sensing, and biometric information recognition, and a flexible window module on the flexible functional module. A side surface of the flexible display module, a side surface of the flexible functional module, and a side surface of the flexible window module may be located on a first plane at a first side portion. An inner angle formed by an upper surface of the flexible window module emitting light and the first plane may be an acute angle at the first side portion.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: January 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Myoung Seo Park
  • Patent number: 11221529
    Abstract: The present disclosure replace the unbendable glass substrate of the non-display portion of the first glass substrate connected to the integrated circuit chip with a bendable flexible substrate, and bend the bending portion of the flexible substrate and the integrated circuit chip connected therewith to the side or the back of the glass substrate, thereby reduce the area of the non-display portion and significantly increase the screen-to-body ratio of the display portion.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: January 11, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Bingkun Yin
  • Patent number: 11215886
    Abstract: A display panel includes an array substrate, a counter substrate, and at least one chip-on-film (COF), each COF is electrically connected to the conductive region via a printed circuit. The conductive region and the printed circuit corresponding to the conductive region include a first contact and a second contact. Besides, the array substrate is provided with a first blocking structure and a second blocking structure.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: January 4, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jianhong Chen, Peng Du
  • Patent number: 11209710
    Abstract: The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: December 28, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuharu Hosaka, Yukinori Shima, Kenichi Okazaki, Shunpei Yamazaki
  • Patent number: 11209711
    Abstract: A multi-stable electroresponsive smart window and preparation method thereof are disclosed. The multi-stable electroresponsive smart window comprises a first light transmitting conductive substrate, a parallel orientation layer, a positive polymer stabilized cholesteric texture layer, a positive cholesteric texture layer and a second light transmitting conductive substrate disposed in stack successively. The multi-stable electroresponsive smart window of the present disclosure can realize a diversified light transmission state such as colored and transparent state, colored and blur state, colorless and blur state, and colorless and transparent state by changing the magnitude of the access voltage, thereby satisfying the various demands in people's work and life.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 28, 2021
    Assignees: South China Normal University, Electronic Paper Display Institute, South China Normal Univ
    Inventors: Guofu Zhou, Xiaowen Hu, Wei Zhao, Haitao Sun
  • Patent number: 11194194
    Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes an active liquid crystal element, wherein the active liquid crystal element comprises two base layers, an active liquid crystal layer disposed between the two base layers, wherein the active liquid crystal layer includes a liquid crystal compound and is capable of switching between first and second oriented states, and a hard coating layer formed on one of the base layers, wherein the hard coating layer is formed on an active liquid crystal layer-facing surface or an opposite surface of the base layer, and wherein the hard coating layer having a thickness of 2 ?m or more. The optical device is capable of varying transmittance, and can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a vehicle sunroof.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 7, 2021
    Inventors: Jung Woon Kim, Su Young Ryu, Tae Yong Kim, Doo Young Huh, Byoung Kun Jeon, Sang Uk Ryu
  • Patent number: 11194183
    Abstract: A display device and a method of manufacturing the display device are provided. The display device includes a first lamination member that includes a first area and a second area that is an area other than the first area; a bonding member disposed on one side of the first lamination member and that includes an adhesive resin; and a second lamination member disposed on the other side of the bonding member, wherein the bonding member includes a crack portion formed in at least a part of a matrix of the adhesive resin.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Min Sok Jang
  • Patent number: 11194195
    Abstract: A screen assembly and an electronic device are provided according to the disclosure. The screen assembly includes a backlight module, a display panel, a camera module, and a light shielding member. The backlight module is stacked with the display panel and defines a mounting through hole for at least partially receiving the camera module. The light shielding member is sandwiched between the backlight module and the display panel and defines a first through hole through which the camera module extends. The light shielding member is configured to block light leakage of the display panel and the backlight module toward the camera module.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: December 7, 2021
    Assignee: SHENZHEN HEYTAP TECHNOLOGY CORP., LTD.
    Inventors: Yimei Tang, Jiao Cheng, Zhibin Ouyang
  • Patent number: 11194200
    Abstract: A liquid crystal display panel and a preparation method therefor are provided, including: an array substrate and a color filter substrate arranged opposite; the array substrate and the color filter substrate are correspondingly provided with a pixel region, during display the pixel region has an alignment dark fringe caused by photo-alignment, and the alignment dark fringe includes a dark fringe branch line located at an edge of the pixel region, wherein the color filter substrate is provided with a common electrode and a black matrix configured to define the pixel region, the array substrate is provided with a main pixel electrode and an edge voltage source, the edge voltage source is located at an edge of the pixel region and below the black matrix.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: December 7, 2021
    Assignee: CHENGDU CEC PANDA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xingkai Fu, Guidong Yang, Yinghui Chen, Weiwei Li
  • Patent number: 11187930
    Abstract: Discussed is a liquid crystal display device. The liquid crystal display device of the present disclosure comprises a liquid crystal panel, a backlight unit disposed under the liquid crystal panel and including a light guide plate and an optical sheet over the light guide plate, and a bottom frame including a horizontal surface and a side surface, wherein first and second fastening protrusions are provided at an outer surface of the side surface of the bottom frame.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: November 30, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Woo-Bong Lee
  • Patent number: 11175529
    Abstract: Disclosed herein are techniques related to privacy at display devices. The techniques include an apparatus having an electroactive privacy layer of a display device. The electroactive privacy layer is configured to restrict a propagation direction of light emission associated with a display layer of the display device. The restriction of propagation is generated by micro louvers formed in the electroactive privacy layer.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: November 16, 2021
    Assignee: INTEL CORPORATION
    Inventors: Thomas A. Nugraha, Dong Yeung Kwak, Jue Li, Chieko Uemizu