Patents Examined by Sanghyuk Park
  • Patent number: 11557261
    Abstract: According to one embodiment, a display device includes a display panel including a plurality of pixels arranged in a non-rectangular display area, and a display controller configured to display images in the display area. An opening portion of each of pixels disposed at an edge portion of the display area is light-shielded at an area ratio according to a shape of the display area.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: January 17, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Yuta Haga, Kazunari Tomizawa
  • Patent number: 11545063
    Abstract: A data transmission circuit includes a transmitter configured to transmit a data signal, a receiver configured to receive the data signal, a first transmission line connected between the transmitter and the receiver, and a second transmission line connected between the transmitter and the receiver. The data signal includes a line start signal, and a configuration signal. The data signal further includes at least one of an inverted line start signal which is an inverted version of the line start signal or an inverted configuration signal which is an inverted version of the configuration signal.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihyun Pyun, Heesook Park
  • Patent number: 11545062
    Abstract: In some examples, an electronic device comprises a voltage supply circuit to provide a reference voltage usable to discharge pixels in a display device; and a scaler circuit coupled to the voltage supply circuit. The scaler circuit is to buffer first and second frames and dynamically control the voltage supply circuit to modify the reference voltage based on a frequency of the first frame differing from a frequency of the second frame.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: January 3, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Yi-Fan Lin, Kai-Chieh Chang, Chang-Chih Yeh
  • Patent number: 11527195
    Abstract: A display control system includes a plurality of driver circuits connected in series. A driver circuit among the plurality of driver circuits includes a receiver, a duty cycle correction circuit and a transmitter. The receiver is configured to receive a first signal from a previous driver circuit among the plurality of driver circuits. The duty cycle correction circuit, coupled to the receiver, is configured to adjust a duty cycle of the first signal to generate a second signal. The transmitter, coupled to the duty cycle correction circuit, is configured to transmit the second signal to a next driver circuit among the plurality of driver circuits.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: December 13, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Che-Wei Yeh, Keko-Chun Liang, Yu-Hsiang Wang, Yong-Ren Fang, Yi-Chuan Liu
  • Patent number: 11520210
    Abstract: A light attenuator that provides transparent light states and absorbing dark states for use in selectively controlling light, especially for smart glass applications. The light attenuator includes abutting areas of attenuation and transparency that form a repeat pattern or a quasi-repeat pattern. The attenuating areas are visible when the light attenuator is in the light state, but the repeat pattern is sufficiently large that a viewer looks through the attenuator and sees no haze.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: December 6, 2022
    Assignee: E Ink Corporation
    Inventors: Donal Martin O'Keeffe, Timothy O'Keeffe
  • Patent number: 11521565
    Abstract: An electro-optic display having at least one row of display pixels, the display include a first display pixel of the at least one row of display pixels, the first display pixel coupled to a first bias line, and a second display pixel of the at least one row of display pixels, the second display pixel coupled to a second bias line, wherein the second bias line is different from the first bias line.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 6, 2022
    Assignee: E Ink Corporation
    Inventors: Chih-Hsiang Ho, Yi Lu
  • Patent number: 11513611
    Abstract: An interface device includes a movable button connected to a frame structure by resilient structures positioned laterally between the button and the frame structure. Multiple layers or diaphragms of material can be used to make the button, frame, and resilient structures. Movement of the button can trigger a switch or sensor in a manner allowing an electronic device to detect interaction with the button. The interface device can be implemented in an electronic device such as a keyboard that has a low number of parts yet also providing tactile, stabilized key travel, support for various sensor or switch types for the keys, and, in some cases, haptic feedback.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 29, 2022
    Assignee: APPLE INC.
    Inventors: Paul X. Wang, Craig C. Leong, Alex J. Lehmann
  • Patent number: 11514849
    Abstract: A display device and a driving method thereof are disclosed, and the display device includes a first pixel connected to a first data line, a first scan line, and a first power source line, emitting light in a first period, and not emitting light in a second period following the first period; a second pixel connected to a second data line, the first scan line, and the first power source line, not emitting light in the first period, and emitting light in the second period; a current sensor sensing a current flowing through the first power source line in the first period to provide a first sensing current value, and sensing the current flowing through the first power source line in the second period to provide a second sensing current value; and a memory storing a first block target current value corresponding to the first sensing current value and a second block target current value corresponding to the second sensing current value.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: November 29, 2022
    Inventors: Ki Hyun Pyun, Myoung Seop Song, Myung Ho Lee
  • Patent number: 11509884
    Abstract: A stereoscopic VR HMD has left and right display portions in which one of the display portions is arranged with a transformation to improve the perceived virtual image resolution and therefore the perceived virtual image quality. The transformation can include offsetting sub-pixels of one of the display portions in the horizontal and if desired vertical dimensions relative to the other display portion. By applying very small (sub-millimeter) offsets along with appropriately adjusted image data, two slightly different virtual images form a stereoscopic image with a perceived increased of resolution in the binocular overlap zone established by the display portions.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: November 22, 2022
    Assignee: Sony Interactive Entertainment Inc.
    Inventor: Jeffrey R. Stafford
  • Patent number: 11501717
    Abstract: A gate driver and a display device including the same, are discussed. The gate driver includes a plurality of stages which are dependently connected to each other. Each of the plurality of pixels includes an output unit which outputs a gate voltage by a voltage of an RQ node, a voltage of a PQ node, and a voltage of a QB node, a first controller which controls the RQ node, a second controller which controls the PQ node, and a third controller which controls the QB node. The gate voltage is configured by a first clock signal having a first phase and a second clock signal having a first phase which is different from the first phase of the first clock signal.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: November 15, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sanghun Yoon, WooSung Shim
  • Patent number: 11488559
    Abstract: The present application discloses a display assembly and a display device. The display assembly includes a first display panel, a second display panel and a driving circuit; the second display panel is arranged in a stack with the first display panel; the first display panel and the second display panel have the same resolution, and the driving circuit outputs the same data driving signal to the first display panel and the second display panel; light emitting surfaces of the first display panel and the second display panel face the same direction.
    Type: Grant
    Filed: June 6, 2021
    Date of Patent: November 1, 2022
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Cheng-Hung Chen, Wei Li
  • Patent number: 11487142
    Abstract: A display device includes a substrate including a first display area and a second display area. The first display area includes first pixel areas, each including one or more first pixels. The second display area includes second pixel areas including one or more second pixels and a light transmittance area having a higher light transmittance than the second pixel area. The first and second display areas include a common electrode that transmits a constant common voltage. The common electrode in the second display area includes patterned regions that correspond to a first light transmittance area included in the light transmittance area. A thickness of the common electrode in the patterned regions is smaller than a thickness of the common electrode in a region other than the patterned regions or equals zero. The patterned regions and the second pixel areas extend alternately along a first direction in the second display area.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Wook Kim, Won Kyu Kwak, Jin Woo Park, Hyun-Chol Bang
  • Patent number: 11468823
    Abstract: The present disclosure relates to a video wall. The video wall according to an embodiment of the present disclosure comprises: a plurality of displays disposed adjacent to each other; an image divider configured to divide an input image into a plurality of images; and at least one controller configured to control a plurality of image display apparatuses, wherein in response to a video displayed on the plurality of image display apparatuses being repeatedly played back, the controller is configured to store a boundary area and transmit the stored boundary area to adjacent image display apparatuses, and the respective image display apparatuses synthesize a received boundary area with an image area to be displayed, and display a portion of the synthesized image. Accordingly, an occurrence of black areas may be reduced while reducing afterimage on the video wall comprising the plurality of displays.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 11, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunchul Noh, Sangyeop Jeon, Sangyeol Kim
  • Patent number: 11455068
    Abstract: A touch panel including a first electrode plate having a first conductive film, a second electrode plate having a second conductive film facing the first conductive film, an insulating layer disposed between the first electrode plate and the second electrode plate and having an opening, and a touch plate having a pressing member disposed at a position corresponding to the opening. The pressing member transmits pressing force applied to the touch plate to the second electrode plate, to bring the second conductive film into contact with the first conductive film.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: September 27, 2022
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Yutaka Ueno, Satoshi Sakurai, Tatsuro Hamano, Masahiko Katayama
  • Patent number: 11454839
    Abstract: A touch display device for preventing light leakage is provided, including a display module, a first adhesive layer, a touch sensing film, and at least one protective layer. The display module includes an upper surface, a side surface, and a lower surface. The first adhesive layer is disposed on the upper surface of the display module and is bent and extends along the side surface to the lower surface, and the touch sensing film is disposed on the first adhesive layer. The at least one protective layer is disposed on one side of the touch sensing film relative to the side surface and the lower surface of the display module. At least one of the first adhesive layer disposed on the side surface of the display module or the protective layer is an opaque material, so the thickness of the device can be reduced.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: September 27, 2022
    Assignee: TPK Advanced Solutions Inc.
    Inventors: Ren Yuan Yan, Ching Kai Cho, Zhi Juan Lin, Hua Li Luo, Ting Ying Liu
  • Patent number: 11455964
    Abstract: This application discloses a driving method for a display panel, a driving circuit, and a display device. The driving method for a display panel includes steps of: obtaining resolution of source data; obtaining resolution of a current display panel; obtaining an adjusted display area corresponding to the source data; and displaying on the display panel according to the adjusted display area after a data operation is performed according to the resolution of the source data and the resolution of the current display panel.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: September 27, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Bin Qiu
  • Patent number: 11450293
    Abstract: A phase modulator for reflecting incident light at a desired angle includes pixel circuits and reflection pixels provided at positions where column data lines and row scanning lines orthogonal and intersect each other, and liquid crystal layers where each refractive index to incident light is changed by a driving voltage supplied from one pixel circuit. Each column data line outputs a control voltage which varies in a range up to a predetermined maximum voltage to corresponding pixel circuits. Each pixel circuit includes a charge pump for amplifying the control voltage. When the driving voltage supplied to a corresponding liquid crystal layer is not higher than the maximum voltage, the control voltage is outputted to the liquid crystal layer without amplifying. When the driving voltage supplied to the liquid crystal layer exceeds the maximum voltage, the control voltage is amplified by a charge pump and outputted to the liquid crystal layer.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: September 20, 2022
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Takashi Nagoya, Shunsuke Izawa, Kensei Oe
  • Patent number: 11435231
    Abstract: A vision inspection apparatus includes an inspection controller which displays a grid pattern with a plurality of gray levels on a display panel, an imaging converter which drives a charge-coupled device with a predetermined or set exposure-time and converts the grid pattern displayed on the display panel into a grid pattern signal, a charge calculator which calculates a charge amount per unit time for each color of a reference gray level using a reference gray level signal, included in the grid pattern signal, and the set exposure-time, and an exposure-time calculator which calculates an optimum exposure-time for each color of the reference gray level based on a target charge amount of the reference gray level.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: September 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Juneyoung Lee, Hoi Sik Moon, Hyungwoo Yim, Jae-Seob Chung, Minyup Chae
  • Patent number: 11436959
    Abstract: Disclosed is a display apparatus. The display apparatus includes a sensor, a housing including a storage space inside the housing, a display configured to be stored in the storage space inside the housing and to be moved into and out of the housing through an opening of the housing, the display having a display area for displaying contents, an actuator configured to move the display into and out of the housing through the opening, and a processor configured to identify a size of a portion of the display to be disposed outside the housing and a display size of image content to be displayed on the portion of the display, based on a viewing distance of a user sensed through the sensor and a ratio of the image content, and control the actuator to move the display into or out of the housing through the opening based on the size of the portion of the display and the display size of the image content.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: September 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seongwook Jeong, Jisoo Kim, Sanghee Lee
  • Patent number: 11435843
    Abstract: A display panel and a fabrication method thereof are provided. The display panel includes pixels, data lines and scan lines. The pixels are arranged in pixel rows and pixel columns, and each pixel has subpixels. The data lines are configured to transmit data signals to the pixels, and each data line has a non-straight and continuously curved shape or a non-straight and continuously bent shape. The scan lines are configured to sequentially transmit scan signals to the pixels. The subpixels of each pixel are coupled to different scan lines, and each data line is curved or bent with respect to a unit of one pixel. Accordingly, the display panel of the invention can avoid the problems of poor image display and vertical line (V-line) defects as well as reducing power consumption.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: September 6, 2022
    Assignee: HannStar Display Corporation
    Inventors: Jing-Xuan Chen, Cheng-Yen Yeh, Mu-Kai Kang, Sz-Kai Huang