Patents Examined by Priyank J Shah
  • Patent number: 10810930
    Abstract: There is provided an electroluminescence display device and driving method thereof. The electroluminescence display device can include an electroluminescence element in each of a plurality of pixels, a pixel driving circuit for driving the electroluminescence element, a gate driver and a data driver for generating signals for driving the pixel driving circuit to be switchable between a first refresh rate and a second refresh rate, and an emission signal generator for generating an emission signal having a first duty ratio supplied to the pixel driving circuit when the pixel driving circuit is driven at the first refresh rate and generating the emission signal having a second duty ratio supplied to the pixel driving circuit when the pixel driving circuit is driven at the second refresh rate. Accordingly, uniform brightness can be displayed regardless of the driving refresh rate for reducing the recognizable image distortion phenomenon.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongSup Shim, Byeongjun Kim, Kyoungwon Lee
  • Patent number: 10809848
    Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: October 20, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangjian Kong, Feng Qin, Jine Liu, Lei Wang, Chunmei Gao, Qiongqin Mao
  • Patent number: 10782835
    Abstract: An in-cell touch display device compensates for half of a ripple component of a common voltage sensed from one touch electrode among a plurality of touch electrodes. This may suppress horizontal crosstalk and dim that otherwise occur in a conventional in-cell touch display device because common voltages supplied to a display panel are non-uniform according to positions of subdivided common electrodes.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 22, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Hongjae Kim
  • Patent number: 10783821
    Abstract: The disclosure provides a display panel and a method for driving the display panel. The display panel includes a display area and a peripheral area surrounding the display area, and the display area includes one first display area and at least one second display area. The design according to embodiments of the disclosure release enough space occupied by the peripheral area at one side of the at least one second display area far away from the first display area, thus increasing display area in desired direction and a screen-to-total face ratio.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: September 22, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huimin Xie, Xuexin Lan, Liang Wen, Xiufeng Zhou, Donghua Li, Xiaoxiao Wu
  • Patent number: 10777620
    Abstract: A thin and lightweight display device is disclosed. An organic light-emitting display device having a touch sensor is configured such that an outer planarization layer fills a space between a plurality of dams, thereby preventing a short circuit between routing lines in the space between the dams, and such that touch electrodes are disposed on an encapsulation structure for encapsulating a light-emitting element, with the result that an additional bonding process is not required, whereby the process is simplified and cost is reduced.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: September 15, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Hyuk Won, Min-Joo Kim, Chang-Hyun Song, Yong-Il Kim, Jong-Won Lee
  • Patent number: 10755628
    Abstract: A display apparatus including a voltage buffer, a display panel and a pixel loading compensation circuit is disclosed. The voltage buffer is used to receive a ramp voltage and output an output current. The display panel includes pixel switches and pixel capacitors. The pixel switches are arranged in parallel and coupled to the voltage buffer. The pixel capacitors are coupled between the pixel switches and ground. The pixel loading compensation circuit includes compensation switches and compensation current sources. The compensation switches corresponding to the pixel switches are arranged in parallel and coupled to the voltage buffer. The compensation current sources are coupled between the compensation switches and ground. The operation of the compensation switches is opposite to the operation of the corresponding pixel switches.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: August 25, 2020
    Assignee: Raydium Semiconductor Corporation
    Inventors: Chi-Hsiang Oulee, Tzong-Yau Ku, Jun-Ren Shih
  • Patent number: 10755617
    Abstract: A unit light source module configured as a 3D display system includes a light emitting unit including a plurality of point light sources corresponding to a number of viewpoints and a light collecting unit disposed a predetermined distance apart from the light emitting unit and collecting and outputting the light source outputted from the plurality of point light sources.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 25, 2020
    Inventor: Seung Won Lee
  • Patent number: 10747381
    Abstract: A film includes: a first electrode facing a desired position in a screen of a display device, a capacitive touch panel being included in or externally attached to the display device; a second electrode electrically connected to the first electrode; and an optical layer that refracts light from the screen of the display device in a desired direction.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: August 18, 2020
    Assignee: FUJITSU COMPONENT LIMITED
    Inventor: Hiroki Usa
  • Patent number: 10742966
    Abstract: A method, system and recording medium for adaptive interleaved image warping are provided. The method is applicable to a display system having a head-mounted device (HMD) and a computing device. In the method, the computing device generates a plurality of image frames to be displayed on the HMD according to a frame rate, wherein the image frames generated to be displayed on a first display and a second display at a same time point comprise a first frame with a first resolution and a second frame with a second resolution lower than the first resolution. The generated image frames are transferred from the computing device to the HMD. The HMD restores the second frames with the second resolution among the image frames to a regular resolution of the first display and the second display, and then interleaved displays the first frames and the restored second frames on the first display and the second display.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: August 11, 2020
    Assignee: HTC Corporation
    Inventors: Jiun-Lin Chen, Yu-You Wen
  • Patent number: 10732735
    Abstract: A controller of an in-cell type liquid crystal display device is provided. The controller controls first and second electrodes that intersect each other, supplies a pixel driving voltage to the first electrodes during a pixel driving period, and detects a stylus position using the first and second electrodes during a stylus detection period different from the pixel driving period. The controller transmits, using the second electrodes, a command requesting a transmission of a downlink signal to the stylus. The controller detects, using the first and second electrodes, the downlink signal transmitted from the stylus in response to the command, and detects the stylus position based on the detected downlink signal.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: August 4, 2020
    Assignee: Wacom Co., Ltd.
    Inventors: Hideyuki Hara, Sadao Yamamoto, Shunya Saito
  • Patent number: 10733941
    Abstract: A pixel includes a first transistor connected between a line supplying a power supply voltage and a second node, and providing a driving current corresponding to a data voltage to a light emitting element based on a voltage of a first node, a third transistor connected between the first node and a line supplying a reference voltage, and generating a sampling current based on a difference between a voltage of the second node and the reference voltage, a second transistor connected between the line supplying the power supply voltage and the first node, adjusting the voltage of the first node to generate the sampling current based on a voltage of a third node, a fourth transistor transferring the power supply voltage to the third node, a fifth transistor transferring the data voltage to the second node, and a capacitor connected between the first node and the third node.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: August 4, 2020
    Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Chongchul Chai, Ansu Lee, Boyong Chung, Oh-Kyong Kwon, Nack-Hyeon Keum
  • Patent number: 10725564
    Abstract: In one embodiment, a stylus receives a first signal from a first electrode of the stylus, the stylus being operable to communicate wirelessly with a device through a touch sensor of the device; receives a second signal from a second electrode of the stylus, the second signal being a reference signal and the second electrode being a reference electrode; and compares the first signal with the second signal.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 28, 2020
    Assignee: Wacom Co., Ltd.
    Inventors: Kishore Sundara-Rajan, Yassar Ali, Igor Polishchuk, James D. Lyle
  • Patent number: 10726761
    Abstract: What is disclosed are systems and methods for emissive display systems constructed on integrated architecture platforms, for which the pixels are smart and can behave differently under different conditions to save power, provide better image quality, and/or conserve their value to reduce the power consumption associated with programming.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: July 28, 2020
    Assignee: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Yaser Azizi
  • Patent number: 10720481
    Abstract: Disclosed are a pixel arrangement structure, an organic light-emitting diode display panel, a fine metal mask, and a display device, and in the pixel arrangement structure, first sub-pixels are located at the centers of first virtual quadrilaterals, and four corners of the first virtual quadrilaterals; second sub-pixels are located at the middles of sides of the first virtual quadrilaterals; third sub-pixels are located in second virtual quadrilaterals, and four second virtual quadrilaterals constitute a first virtual quadrilateral; and in each second virtual quadrilateral, the distances between the center of a third sub-pixel, and the centers of two first sub-pixels are equal; and/or in each second virtual quadrilateral, the distances between the center of a third sub-pixel, and the centers of two second sub-pixels are equal.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: July 21, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhihui Xiao, Yue Liu, Haohan Zhang, Shanshan Bai
  • Patent number: 10685622
    Abstract: A display apparatus transmits a picture acquisition request for getting picture information to an external image apparatus connected through a predetermined interface to the display apparatus from the external image apparatus at predetermined intervals and gets a plurality of pieces of picture information from the external image apparatus to be displayed. The plurality of pictures may be switched at predetermined intervals, for example, to be displayed, so that the plurality of pictures may be displayed in a so-called slide show manner. A plurality of pictures for thumbnail may be produced from the plurality of pieces of picture information and be arranged together to be displayed in one picture screen of a display device.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: June 16, 2020
    Assignee: Maxell, Ltd.
    Inventors: Toshiyuki Kurita, Hitoaki Owashi
  • Patent number: 10678355
    Abstract: A system and method for synchronizing a stylus to a capacitive sense array. The system including a capacitive sense array which includes a plurality of electrodes. A synchronization signal is transmitted to the stylus using the plurality of electrodes. The synchronization signal is transmitted to the stylus by capacitively coupling the stylus to the capacitive sense array.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: June 9, 2020
    Assignee: Wacom Co., Ltd.
    Inventors: Viktor Kremin, Andriy Ryshtun, David Wright, Jeff M. Boschee
  • Patent number: 10657904
    Abstract: A display device includes: a base substrate having a first surface and a second surface opposite the first surface, the base substrate including a plurality of pixels on the first surface of the base substrate; a protective layer on the second surface of the base substrate, the protective layer having a first opening; a light sensor corresponding to the first opening; and a circuit board on the protective layer. The light sensor is mounted on the circuit board.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Young Heo, Dong Ho Kim, Min Soo Kim
  • Patent number: 10650607
    Abstract: A method for execution by a mobile communications device includes generating display data, where a display device of eyewear, worn by a user performing a fitness activity, displays a virtual fitness partner in accordance with the display data to virtually superimpose the virtual fitness partner upon physical surroundings viewed by the user through at least one translucent lens of the eyewear to simulate performance of the fitness activity by the virtual fitness partner along a virtual transit within a physical vicinity of the user throughout the transit of the user. The virtual fitness partner is displayed in accordance with perspective data generated based on the user's transit velocity and head orientation, determined based on sensor data collected by at least one motion sensor. The virtual fitness partner is further depicted to perform one of a plurality of fitness partner actions in accordance with event trigger monitoring data.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: May 12, 2020
    Inventor: Mark Wayne Hogue
  • Patent number: 10650405
    Abstract: A method for media content tracking is disclosed. The method includes receiving a user identifier and instructing display systems to display media content based on the user identifier. Each display system has a corresponding screen. The method also includes receiving image data from an imaging system configured to have a field of view arranged to capture images of a user. The method further includes determining gaze characteristics of the user including a gaze target of the user. The method further includes determining whether the gaze target corresponds to one of the screens. When the gaze target corresponds to one of the screens, the method includes determining a time period of gaze engagement with the corresponding screen. The method also includes storing at least one of the gaze characteristics and the media content or an identifier of the media content displayed on the screen corresponding to the gaze target.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 12, 2020
    Assignee: Kellogg Company
    Inventors: Gustav Hoffman, Ganapa Sashidhara Murthy
  • Patent number: 10651209
    Abstract: A semiconductor device includes: a first thin film transistor (101) including a crystalline silicon semiconductor layer (13); and a second thin film transistor (102) including an oxide semiconductor layer (23).
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: May 12, 2020
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takao Saitoh, Yohsuke Kanzaki, Makoto Nakazawa, Kazuatsu Ito, Seiji Kaneko