Patents Examined by Jia X Pan
  • Patent number: 11112627
    Abstract: Disclosed herein are a viewing angle control unit, a substrate assembly of the viewing angle control unit, and a display assembly. The viewing angle control unit includes two substrate assemblies, a liquid crystal (LC) component disposed between the substrate assemblies, and a seal component interconnecting the substrate assemblies and surrounding the LC component. At least one of the substrate assemblies includes a transparent base substrate, a transparent electrode layer disposed on the transparent base substrate, and an alignment film disposed on the transparent electrode layer. The transparent electrode layer has a groove extending along at least part of the seal component, so as to mitigate excessive spreading of a material of the alignment film during manufacturing of the viewing angle control unit. The display assembly includes the viewing angle control unit.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: September 7, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Masahiro Ishii, Tetsuo Fukami, Yukinori Kayama
  • Patent number: 11112641
    Abstract: The present invention provides a display panel having a display region and a peripheral region, and the display panel includes a plurality of pixel units including at least one inner pixel unit and at least one first peripheral pixel unit, and a shielding layer. A shape of the display region is non-rectangular. The inner pixel unit is disposed in the display region and includes at least one inner sub-pixel unit. The first peripheral pixel unit is disposed in both the display region and the peripheral region and includes at least one first peripheral sub-pixel unit. At least a part of the shielding layer is disposed in the peripheral region, and the at least a part partially overlaps the first peripheral pixel unit. A structure of the first peripheral pixel unit is different from a structure of the inner pixel unit.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: September 7, 2021
    Assignee: HANNSTAR DISPLAY CORPORATION
    Inventors: Chung-Lin Chang, Hsuan-Chen Liu, Kun-Tsai Huang
  • Patent number: 11106072
    Abstract: A display device includes pixel electrodes, a common electrode, switching components, pixel lines, and conductive lines. The common electrode overlaps the pixel electrodes via an insulator. The switching components are connected to the pixel electrodes. The pixel lines are connected to the switching components and disposed adjacent to the pixel electrodes. The conductive lines are adjacent to the pixel electrodes on a side on which the pixel lines are disposed. The conductive lines are separated from each other and electrically connected to the common electrode. The conductive lines include common portions having a common positional relation relative to the pixel lines, respectively.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: August 31, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Yoshida
  • Patent number: 11106069
    Abstract: A vehicle window pane having a plate-like window pane body which has an outer side which faces the surroundings of the vehicle and an inner side which faces away from the outer side and to which a composite is connected, the composite having a layer structure which may have multiple layers disposed one on top of the other, one of the layers having a liquid crystal arrangement having two films and a liquid crystal cell disposed between the two films, and another one of the layers being a polarizer layer. At least one layer of the layer structure can be a compensation layer whose area is smaller than the area of the liquid crystal arrangement, the liquid crystal cell thus having an edge portion which is thicker than a central portion covered by the compensation layer.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 31, 2021
    Assignee: WEBASTO SE
    Inventors: Max Buchmann, Jonas Dietrich, Steffen Lorenz, Daniela Baierl, Sascha Dietrich, Daniel Brose, Seongmin Lee, Byoung Kun Jeon
  • Patent number: 11092813
    Abstract: A near-eye display that employs rapid spherical image scanning using liquid crystal retarder with concentric imaging and optical elements comprising a display with spherically curved concave image surface topped with polarizer; a spherically curved liquid crystal retarder composite reflector having a see-thru mirror topped at the concave side with electronically controlled liquid crystal retarder strips; a see-thru spherically curved mirror-polarizer composite with mirror at the convex side and polarizer at the concave side; a frame to support, protect the device, and mount the device to the head.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: August 17, 2021
    Inventor: George M. Calm
  • Patent number: 11092845
    Abstract: A liquid crystal panel and an image display device include a front-side polarizing plate in which a resin film, a shock absorbing layer, and a hard coat layer are disposed in this order; and a rear-side polarizing plate in which a resin film and a shock absorbing layer are disposed in this order, in which a storage elastic modulus E?f of the shock absorbing layer of the front-side polarizing plate at 25° C. and a frequency of 106 Hz is more than 1 GPa, and a relationship between the E?f and a storage elastic modulus E?r of the shock absorbing layer of the rear-side polarizing plate at 25° C. and a frequency of 106 Hz satisfies the expression E?f?E?r>0.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: August 17, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Keigo Ueki, Yuichi Fukushige
  • Patent number: 11086172
    Abstract: A pixel unit, a display panel and a display device are provided. The pixel unit includes: a first sub-pixel, comprising a first sub-region and a second sub-region; and a second sub-pixel, disposed adjacent to the first sub-pixel and comprising a third sub-region and a fourth sub-region; wherein the first sub-region is disposed adjacent to the third sub-region, and the second sub-region is disposed adjacent to the fourth sub-region; wherein a divided voltage of the first sub-region is same as a divided voltage of the third sub-region; the divided voltage of the first sub-region, a divided voltage of the second sub-region and a divided voltage of the fourth sub-region are different from one another. The pixel unit of the embodiment is advantageous for improving the washout and color shift problem of a larger side view angle and improving the optical characteristics of the viewing angle.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 10, 2021
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Zhuo Li, Boqin Cui
  • Patent number: 11079633
    Abstract: A liquid crystal display apparatus includes first and second substrates and a liquid crystal layer of vertical alignment type. The first substrate includes pixel electrodes and a first alignment film, whereas the second substrate includes a counter electrode and a second alignment film. Each pixel includes first and second subpixels which allow respectively different voltages to be applied across the liquid crystal layer. Each pixel electrode includes first and second subpixel electrodes. Each of the first and second subpixels includes first to fourth liquid crystal domains having respectively different reference alignment directions being defined by the first and second alignment films. First to fourth directions, which are the reference alignment directions of the first to fourth liquid crystal domains, each make an angle which is substantially equal to an odd multiple of 45° with respect to the pixel transverse direction.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 3, 2021
    Assignees: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHA
    Inventors: Mitsuaki Hirata, Fumikazu Shimoshikiryoh
  • Patent number: 11079621
    Abstract: The present disclosure provides an array substrate. The array substrate includes a base on which pixel electrodes, gate lines, data lines, and thin film transistors are disposed. The data lines and the gate lines are alternately arranged to define a plurality of pixel units one-to-one corresponding to the pixel electrodes and the thin film transistors. An insulating layer is disposed between the pixel electrodes and a layer where a data pattern is located. The data pattern, part of which is overlapped with the pixel electrodes, includes the data lines and source electrodes of the thin film transistors. The insulating layer is provided with recesses, and an orthographic projection of the recess on the base is outside of an orthographic projection of an overlapping region of the pixel electrode and the data pattern on the base.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 3, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qi Zheng, Lu Bai, Gang Hua, Hongliang Yuan, Peng Li, Xiaohui Lv
  • Patent number: 11067840
    Abstract: Disclosed are a display panel and a display apparatus. The display panel includes an array substrate and a color film substrate that are opposite to each other, a liquid crystal layer filled between the array substrate and the color film substrate, and a polarizer covering a side of the color film substrate distal from the liquid crystal layer. A protrusive structure and a reflective layer disposed between the protrusive structure and the liquid crystal layer are arranged on the array substrate. The array substrate includes a plurality of pixel units arranged on a substrate. Each pixel unit is provided with a first region and a second region that are adjacent to each other. A thickness of the pixel unit disposed in the first region is greater than that of the pixel unit disposed in the second region.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: July 20, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yanyan Yin, Zhiyong Wang, Hongyan Xing, Zhiqiang Long, Yinlin Gu, Mingjing Wang, Qi Sun, Weipeng Fu
  • Patent number: 11061283
    Abstract: A quantum rod display device has an enhanced alignment of the quantum rods that is achieved by employing an aligned block copolymer material to align the quantum rods. The display device may be a transflective display device. The display device includes a liquid crystal layer and a quantum rod structure optically coupled to the liquid crystal layer. The quantum rod structure includes an aligned block copolymer material including a first polymer strain and a second polymer strain that are aligned relative to each other, and quantum rods that are embedded within either the first polymer strain or the second polymer strain, and the quantum rods are aligned by the alignment of the polymer strain in which the quantum rods are embedded. The quantum rod structure may be unpatterned whereby the quantum rod structure emits light of a single color or a combined color emission, or patterned into regions whereby at least two of the regions include quantum rods that emit light of different colors.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: July 13, 2021
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Andrew Acreman, Nathan James Smith
  • Patent number: 11054710
    Abstract: A display device capable of performing image processing is provided. Each pixel is provided with a memory circuit, and desired correction data is held in the memory circuit. The correction data is calculated in an external device and written into each pixel. The correction data is added to image data owing to capacitive coupling, and the resulting data is supplied to a display element. Thus, a corrected image can be displayed with the display element. The correction enables image upconversion or can compensate for an image quality reduction due to characteristics variations of transistors included in pixels.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: July 6, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima
  • Patent number: 11036071
    Abstract: A method of manufacturing a display apparatus is provided as follows. A substrate having a display portion on an upper surface of the substrate is prepared. A protection film having an opening is attached to a lower surface of the substrate so that the protection film overlaps the display portion. A support film is attached to the lower surface so that the support film is disposed within the opening of the protection film. A driving circuit chip is attached to the upper surface so that the driving chip is spaced apart from the display portion and the opening. At least a part of the support film is removed. The substrate is bent along a longitudinal direction of the opening.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongbin Um, Jihong Hwang, Hayoung Choi
  • Patent number: 11029564
    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: December 19, 2019
    Date of Patent: June 8, 2021
    Assignee: Lumileds LLC
    Inventors: Mehdi Aas, Nicola Bettina Pfeffer, Arjen Gerben Van der Sijde, Erno Fancsali
  • Patent number: 11029572
    Abstract: To achieve a display device that is suitable for increasing in size and to provide a high-resolution display device. In the display device, three or more adjacent gate lines are supplied with the same selection signal. Three or more pixels that adjoin in the column direction are connected to different source lines. In each of the pixels, a transistor including a semiconductor layer is disposed. An inner source line among three or more source lines is disposed to overlap with a conductive layer that functions as a pixel electrode. Part of the semiconductor layer of the transistor is provided between the outer source line and a source line adjacent to the outer source line.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: June 8, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kei Takahashi
  • Patent number: 11016335
    Abstract: A flexible display device includes a display panel configured to display an image, and a polarizing plate on the display panel. The flexible display device includes a folding area and a non-folding area. A first thickness of the polarizing plate in the folding area is greater than a second thickness of the polarizing plate in the non-folding area.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Won-Jong Cho, Won-Ki Park
  • Patent number: 11016326
    Abstract: A curved display panel including a display surface curved around one curving axis includes a first substrate, a second substrate disposed opposite the first substrate while having a space therebetween, first pixel sections included in the first substrate and arranged within a surface area of the display surface, and second pixel sections included in the second substrate and arranged within the surface area of the display surface and overlapping the first pixel sections, respectively, in a curved state of the display surface. For at least some of the second pixel sections that are to be displaced by curving, position relation with respect to the first pixel sections in the flat state of the display surface is changed from that in the curved state of the display surface by a correction displacement amount based on an assumed displacement amount corresponding to a position within the surface area of the display surface.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: May 25, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hiroshi Hasegawa
  • Patent number: 11009734
    Abstract: To reliably perform light irradiation in a vehicular lamp system using a liquid crystal element even in a cryogenic environment. A control device for a vehicular lamp comprising a light source and a liquid crystal element where the liquid crystal element is set to a light-shielded state and the light source is set to a light-on state to heat the liquid crystal element by the light emitted from the light source when the temperature of the liquid crystal element is estimated to be lower than a predetermined value.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: May 18, 2021
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Yasuo Toko, Yoshihisa Iwamoto, Takuya Kitazono
  • Patent number: 11003029
    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: December 5, 2019
    Date of Patent: May 11, 2021
    Assignee: JAPAN DISPLAY INC.
    Inventor: Ayumi Mori
  • Patent number: 11003011
    Abstract: A display panel may include a first base substrate, a second base substrate facing the first base substrate, a plurality of wavelength conversion parts that are provided on the first base substrate to face the second base substrate, and at least one of the plurality of wavelength conversion parts includes an emission body, a light blocking layer partially covering the plurality of wavelength conversion parts and having a plurality of openings, the light blocking layer including a metallic material, and a first organic layer provided on the light blocking layer without overlapping the openings.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 11, 2021
    Inventors: Hongbeom Lee, Kyungtae Chae, Hanjun Yu, Yeogeon Yoon, Keunwoo Park