Patents Examined by Edward J. Glick
  • Patent number: 11181789
    Abstract: A liquid crystal display device includes: a display panel; a light source which provides a light to the display panel; a light guide plate which receives the light from the light source on a surface thereof and guides the light to another surface thereof; a polarization member on a surface of the display panel facing the light guide plate; and a frame chassis comprising a fastening portion inserted in a space between the display panel and the light guide plate. The fastening portion has a thickness substantially equal to a thickness of the polarization member.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Luly Lee, Jaesang Lee
  • Patent number: 11181784
    Abstract: According to one embodiment, a display device including a first substrate having a first end portion, a second substrate facing the first substrate and having a second end portion separated from the first end portion, a liquid crystal layer located between the first substrate and the second substrate, a light-emitting element facing the second end portion, a first sealing member bonding the first substrate and the second substrate together, and a low refractive area located between the first substrate and the second substrate, located between the second end portion and the first sealing member in planar view, and containing a material having a refractive index lower than that of the second substrate.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: November 23, 2021
    Assignee: Japan Display Inc.
    Inventors: Kentaro Okuyama, Hiroki Sugiyama, Yoshihide Ohue, Yudai Numata
  • Patent number: 11175527
    Abstract: Disclosed are a reflective color filter substrate and driving method thereof, and a display panel and a display device. The substrate includes color-resist elements in an array, each color-resist element includes a first and second electrode arranged opposite to each other, and a color-resist structure located between the first and second electrodes; and in each color-resist element: the first electrode is a light-transmission electrode; the first and second electrodes are configured to generate a first electric field, and the color-resist elements are configured to be driven by the first electric field to reflect light rays incident on the first electrode as monochromatic light; and the first and second electrodes are configured to generate a second electric field, and the color-resist elements are configured to be driven by the second electric field to reflect the light rays incident on the first electrode as hybrid light of monochromatic light and white light.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: November 16, 2021
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ye Hu, Wen Zha, Xin Chen, Qingna Hou
  • Patent number: 11175545
    Abstract: A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a gate line, a data line, and a compensation voltage line disposed on an insulation substrate; a first passivation layer disposed on the gate line, the data line, and the compensation voltage line; a pixel electrode connected to the gate line and the data line, and a compensation electrode connected to the compensation voltage line, disposed on the first passivation layer; and a common electrode formed on the first passivation layer, wherein the compensation electrode overlaps at least a portion of the data line, and the compensation voltage line is formed with the same layer as the data line.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: November 16, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Man Kim, Jun Ho Song, Tong Young Kim, Su Jin Lee, Yeon-Mun Jeon, Young Je Cho
  • Patent number: 11175530
    Abstract: A liquid crystal display (“LCD”) panel and an LCD device according to an exemplary embodiment may provide a first base substrate, a first polarizing layer disposed between the first base substrate and a liquid crystal layer, a first low refraction layer disposed between the first base substrate and the first polarizing layer and having a refractive index less than that of the first base substrate, and a color converting member disposed between the first low refraction layer and the first polarizing layer and including a quantum dot in an integrated manner, to realize excellent optical characteristics and have a small thickness.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 16, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Haeil Park, Yongseok Kim, Jinho Park, Gabsoo Han
  • Patent number: 11169394
    Abstract: To provide a naked-eye type stereoscopic display device which can achieve a fine stereoscopic display property while achieving high-definition display and high yield. Aperture parts of sub-pixels neighboring to a first direction include overlapping regions which overlap in a second direction and a non-overlapping region which does not overlap. Provided that a width of the aperture part in the second direction is defined as a longitudinal aperture width, the non-overlapping region includes an aperture width fluctuating region where the longitudinal aperture width changes continuously from roughly a center of the aperture part towards both ends of the first direction, respectively. The sum of the longitudinal aperture widths of the two overlapping regions overlapping with each other at a same position in the first direction is larger than the longitudinal aperture width in roughly the center of the aperture part.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 9, 2021
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Takuya Asai, Koji Shigemura
  • Patent number: 11163177
    Abstract: Architecture and designs of wearable devices for viewing multimedia in 3D are described. According to one aspect of the present invention, a display device is made in form of a pair of glasses. A separate enclosure is provided to generate content for display on the glasses. The content is optically picked up by an optical cable and transported by one or more optical fibers in the optical cable to the glasses, where an image polarizer, deposed on or included in the bridge of the glasses, receives the content and produces an alternating polarized content sequence.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 2, 2021
    Inventor: Darwin Hu
  • Patent number: 11143902
    Abstract: A total-reflection infrared reflection device and a preparation method thereof. The device includes two light-transmitting conductive substrates disposed oppositely, the two light-transmitting conductive substrates are packaged to form a seal cavity, in the seal cavity, opposite surfaces of the two light-transmitting conductive substrates are respectively coated with a first liquid crystal layer capable of reflecting left-handed polarized light and a second liquid crystal layer capable of reflecting right-handed polarized light, the first liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a left-handed spiral structure, the second liquid crystal layer includes a polymer network and a cholesteric liquid crystal with a right-handed spiral structure, the cholesteric liquid crystal with the left-handed spiral structure can reflect left-handed polarized light, and the cholesteric liquid crystal with the right-handed spiral structure can reflect right-handed polarized light.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: October 12, 2021
    Assignees: SOUTH CHINA NORMAL UNIVERSITY, SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD., G.H.S ADVANCED EQUIPMENT TECHNOLOGY CO., LTD.
    Inventors: Guofu Zhou, Xiaowen Hu, Nan Li
  • Patent number: 11137619
    Abstract: A display device for virtual reality, a viewing device for virtual reality and a head-mounted display apparatus are provided. The display apparatus includes: a display panel; a first polarizer which is disposed on a first surface of the display panel and includes a plurality of first regions and a plurality of second regions, the plurality of first regions and the plurality of second regions being alternately distributed in a first direction, wherein a polarization direction of each of the plurality of first regions is perpendicular to a polarization direction of each of the plurality of second regions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenyu Li, Yukun Sun, Yali Liu, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Xi Li, Bin Zhao, Lixin Wang, Jianwen Suo, Qingwen Fan, Jinbao Peng
  • Patent number: 11112631
    Abstract: A liquid crystal display includes a guide panel configured to guide a position of a liquid crystal display panel and a backlight unit, a cover bottom, and a rear cover. The guide panel includes a panel supporter extended in a first direction and including a second groove, and an extension extended from the panel supporter in a second direction intersecting the first direction and including a first groove. The cover bottom includes a horizontal portion extended in the first direction, and a vertical portion extended from the horizontal portion in the second direction. One end of the vertical portion is inserted into the second groove. The rear cover includes a body covering a back surface of the horizontal portion, and a hook protruding from the body in the first direction and inserted into the first groove.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 7, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Guentaek Oh
  • Patent number: 11106096
    Abstract: By increasing an interval between electrodes which drives liquid crystals, a gradient of an electric field applied between the electrodes can be controlled and an optimal electric field can be applied between the electrodes. The invention includes a first electrode formed over a substrate, an insulating film formed over the substrate and the first electrode, a thin film transistor including a semiconductor film in which a source, a channel region, and a drain are formed over the insulating film, a second electrode located over the semiconductor film and the first electrode and including first opening patterns, and liquid crystals provided over the second electrode.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: August 31, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 11106090
    Abstract: To provide a vertical alignment liquid crystal display device capable of achieving a high-definition image display. Tilt directions of liquid crystal molecules when a voltage is applied are within a plane that is in parallel to a border between a first pixel and a second pixel, and are different by 180 degrees between the first and second pixels. The first pixel is constituted with three sub-pixels for R, G, and B arranged in a direction in parallel to the border. Similarly, the second pixel is constituted with three sub-pixels for R, G, and B. The tilt directions of the liquid crystal molecules when a voltage is applied are different by 180 degrees from each other between the sub-pixels for R of the first and second pixels, between the sub-pixels for G of the first and second pixels, and between the sub-pixels for B of the first and second pixels.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: August 31, 2021
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventor: Kenichi Takatori
  • Patent number: 11106076
    Abstract: A protective panel for a display device includes a substrate and a light-blocking layer provided over the substrate. A display window is defined on a region of the substrate where the light-blocking layer is not provided. The light-blocking layer includes a first layer which comprises a first material having a first color. The protective panel further includes a hole formed through the light-blocking layer. The hole having an inner sidewall, which is clad with a cladding material having a color different from the first color.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: August 31, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun Hee Lee
  • Patent number: 11085593
    Abstract: A display device includes: a display panel; a backlight that emits light toward a rear face of the display panel; a first optical sheet disposed between the display panel and the backlight; a second optical sheet disposed between the first optical sheet and the backlight; and a supporting member that supports an outer peripheral part of the first optical sheet. The first optical sheet includes a first sheet main body portion, and a first supporting piece that protrudes to a side direction from an outer peripheral part of the first sheet main body portion and is supported by the supporting member. The second optical sheet includes a second sheet main body portion, and a flat portion that is formed into a flat shape in an outer peripheral part of the second sheet main body portion and is disposed so as to correspond to the first supporting piece.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 10, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akihiko Sasaki, Mitsuhiro Namikoshi, Ryouta Nakayama
  • Patent number: 11074876
    Abstract: To provide a naked-eye type stereoscopic display device which can achieve a fine stereoscopic display property while achieving high-definition display and high yield. An aperture part includes overlapping regions which overlap with an aperture part or another aperture part neighboring to each other in a second direction and a non-overlapping region which does not overlap. Provided that a light amount emitted from a linear aperture of the aperture part in parallel to a second direction is “longitudinal light amount”, the non-overlapping region includes longitudinal light amount fluctuating regions where the longitudinal light amount changes continuously from roughly a center of the aperture part towards both ends of the first direction, respectively. The sum of the longitudinal light amounts of the two overlapping regions overlapping with each other at a same position in the first direction is larger than the longitudinal light amount in roughly the center of the aperture part.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 27, 2021
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Takuya Asai, Koji Shigemura
  • Patent number: 11075232
    Abstract: A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: July 27, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takashi Hamada, Kohei Yokoyama, Yasuhiro Jinbo, Tetsuji Ishitani, Daisuke Kubota
  • Patent number: 11074025
    Abstract: To provide a thinned display device with a touch sensor and to provide a highly reliable display device. A sensor layer including an electrode of a touch sensor is formed in advance over a support substrate which is different from a substrate which forms a display device so that the sensor layer can be separated, the sensor layer is separated from the support substrate, and the separated sensor layer is attached to one surface of a substrate the other surface of which is provided with a component such as a color filter, with a bonding layer interposed therebetween.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: July 27, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Yoshiharu Hirakata
  • Patent number: 11067843
    Abstract: A display device for a head-mounted display includes a first display panel and a second display panel that are arranged in parallel. The first display panel and second display panel each include a pair of substrates having a plane sectioned into a display region and a non-display region, and a columnar spacer interposed between the substrates. The substrate includes a spacer lightproof portion placed over the spacer. The first display panel and second display panel do not coincide with each other with regard to a location where the spacer lightproof portion in the display region is disposed.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: July 20, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kuniaki Okada, Hiromi Katoh, Keisuke Yoshida
  • Patent number: 11067857
    Abstract: Provided are: a display panel whereby a frame can be narrowed, while ensuring conduction between substrates; a display device; and a method for manufacturing the display panel. The display panel is provided with: a first substrate having a surface, on which an electrode layer is formed; a second substrate having a surface, on which a wiring path for supplying the electrode layer with signals is formed; and a sealing section that defines a space sealed between the first substrate surface and the second substrate surface, which are facing each other. The display panel is also provided with a columnar section that electrically connects the electrode layer to the wiring path. The columnar section is formed at a position in contact with the sealing section.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: July 20, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Kenta Takeuchi, Chikanori Tsukamura, Naoki Kotani, Kenichi Mukai
  • Patent number: 11061269
    Abstract: Disclosed an array substrate and a display panel, wherein the array substrate comprises a substrate, a plurality of pixel units disposed on the substrate, wherein each of the pixel units comprises a first pixel subunit, a second pixel subunit and a third pixel subunit, and a color filter disposed on each of the pixel subunits, wherein the color filter is located between the substrate and the second substrate, and the color filter of the third pixel subunit has a step structure. The display panel comprises the array substrate above and a second substrate, wherein the second substrate being disposed opposite to the array substrate.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: July 13, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen