Patents Examined by Ram A Mistry
  • Patent number: 10636378
    Abstract: A scan signal compensating method, a scan signal compensating circuit and a display device are provided. The compensating method includes: disposing a reference TFT; obtaining a drain current of the reference TFT; acquiring a compensation voltage value according to the drain current; and performing voltage compensation to a GOA driving circuit according to the compensation voltage value. By disposing the reference TFT to acquire a drift of I-V characteristic curve of a certain TFT of the GOA driving circuit, obtaining the compensation voltage value according to a drifted drain current of the reference TFT and compensating a driving voltage of the GOA driving circuit, the problem of display image sticking or flickering caused by the drift of I-V characteristic curve of the TFT in the GOA driving circuit resulting from a long-term bias voltage can be solved consequently.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 28, 2020
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Yuan-Liang Wu
  • Patent number: 10613677
    Abstract: The present disclosure provides a touchscreen device with an integrated fingerprint sensor. The touchscreen device including a touchscreen having a touch area for touch sensing and a fingerprint and touch area for touch sensing and fingerprint sensing, the touch area having Tx electrodes arranged in a first direction and Rx electrodes arranged in a second direction, and the fingerprint and touch area having FTx electrodes arranged in the first direction and FRx electrodes arranged in the second direction, and a touch IC that performs touch sensing through the touch area and the fingerprint and touch area and performs fingerprint sensing through the fingerprint and touch area, wherein the Rx electrodes form a plurality of groups, and the groups are individually and separately connected to Rx lines in the boundary region between the touch area and the fingerprint and touch area.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 7, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jiho Cho, Kyoseop Choo, Manhyeop Han
  • Patent number: 10613658
    Abstract: Disclosed is a touch display device capable of improving resolution and visibility. The touch display device is configured such that a display electrode in a display panel and a touch-sensing electrode located on a top of the display panel are inclined at the same angle in the same direction.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: April 7, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung-Hyun Ham, Yoo-Jin Kang
  • Patent number: 10607557
    Abstract: An array substrate, a display device and a driving method thereof are provided. In the array substrate, in a first pixel unit constituting a display unit group, a TFT of the first sub-pixel and a TFT of the second sub-pixel are connected to the same data line. In the second pixel unit of the display unit group, a TFT of the second sub-pixel and a TFT of the third sub-pixel are connected to the same data line. A distance along a direction of the gate line between adjacent two sub-pixels having a data line between them is a first shielding size, a distance along the direction of the gate line exists between adjacent two sub-pixels having no data line between them is a second shielding size, and the second shielding size is smaller than the first shielding size.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: March 31, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weili Zhao, Jae Geon You
  • Patent number: 10585506
    Abstract: A display device having high visibility regardless of illuminance of external light is provided. A display device with reduced power consumption is provided. The display device includes a first light-receiving circuit including a first light-receiving element; and a pixel circuit including a display element. The first light-receiving circuit and the pixel circuit are formed over the same substrate. The gray level of the display element is changed according to a change in the amount of light to which the first light-receiving element is exposed. In particular, the gray level of the display element is decreased with a decrease in the amount of light exposure.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: March 10, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yukinori Shima, Kengo Akimoto, Yuki Okamoto
  • Patent number: 10572054
    Abstract: A method for controlling an interface in an electronic device includes a touch-sensitive display. A first predefined user action is detected, together with a second user action, and the electronic device defines and positions a cursor on the display screen. A first display area which contains soft buttons from a certain part of the display screen (depending on cursor position) is projected within or around the portion of the display within reach of a user's thumb, for one-handed operation. The soft buttons in such first display area can be shrunk or enlarged in size as user requires.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: February 25, 2020
    Assignee: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD.
    Inventor: Kun-Chuan Feng
  • Patent number: 10573224
    Abstract: The invention provides a shift register unit, including a pull-up node, a pull-down node, a low-level signal terminal, a second clock signal terminal and a pull-down module, the second clock signal terminal supplies a high-level signal during an input sub-period and a pull-down sub-period, the pull-down module is connected to the pull-up node, the pull-down node, an output terminal of the shift register unit and the low-level signal terminal, the shift register unit further includes a discharging module, which is configured to make the pull-down node and the low-level signal terminal be connected in a conducting path during the input sub-period, and both the pull-up node and the output terminal of the shift register unit are connected with the low-level signal terminal in conducting paths during the input sub-period and the pull-down sub-period.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: February 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueguang Hao, Yongda Ma, Hongfei Cheng
  • Patent number: 10555688
    Abstract: A measurement system includes at least one measurement assembly having at least one measurement device, a head-mounted visual display device having an output screen, and a data processing device operatively coupled to the at least one measurement assembly and the head-mounted visual display device. The data processing device is configured to generate a visual element for superimposition onto a system user and/or an object being manipulated by the system user, and display the superimposed visual element on the head-mounted visual display device. The data processing device is further configured to generate the visual element using the output data from the at least one measurement assembly.
    Type: Grant
    Filed: August 24, 2019
    Date of Patent: February 11, 2020
    Assignee: Bertec Corporation
    Inventors: Necip Berme, Jaswandi Tushar Pitale
  • Patent number: 10538111
    Abstract: Embodiments of the present invention are directed to systems and methods for writing on electronic paper (“e-paper”) and display platforms implemented with e-paper. In one aspect, a system for writing information to electronic paper includes a writing module and an erasing unit connected to the writing module. The erasing unit is configured to erase information stored in the electronic paper. The system also includes a writing unit connected to the writing module and is configured to write information to the electronic paper. Information is written to the electronic paper by orienting the writing module so that the electronic paper passes the erasing unit prior to passing the writing unit.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 21, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Omer Gila, Napoleon J. Leoni, Steven Rosenberg, Henryk Birecki
  • Patent number: 10534452
    Abstract: An improved portable media device and methods for operating a media device are disclosed. According to one aspect, the portable media device can also function as a solid-state drive for data storage. The form factor of the portable media device can be hand-held or smaller, such that it is highly portable. The portable media device can use one or more status indicators. The portable media device can also include a peripheral bus connector, a rechargeable battery, and one or more input devices. According to another aspect, the portable media device has the capability to store media device status information in persistent memory before powering down. Thereafter, when the portable media device is again powered up, the stored media player status information can be retrieved and utilized. According to still another aspect, the portable media device can form and/or traverse a media asset playlist in an efficient manner.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: January 14, 2020
    Assignee: Apple Inc.
    Inventors: Steve Jobs, Anthony M. Fadell, Jonathan P. Ive
  • Patent number: 10509232
    Abstract: A stereoscopic image display device and a method of driving the same are provided. The stereoscopic image display device includes: a display panel; a patterned retarder transmitting light from the display panel as first and second polarization components; a data driving circuit driving data lines of the display panel; a gate driving circuit driving gate lines of the display panel; a 3D formatter: separating input 3D image signal into first and second eye image data; and arranging the first and second eye image data according to a vertical k-divisional operation to generate an original frame; and a timing controller: dividing one frame into k sub-fields with time-divisional driving; and controlling the data driving circuit and the gate driving circuit such that: the first eye image data are displayed in odd-numbered sub-fields with spatial-divisional driving; and the second eye image data are displayed in even-numbered sub-fields with spatial-divisional driving.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: December 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Juyoung Lee
  • Patent number: 10504473
    Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
  • Patent number: 10488963
    Abstract: An in-cell touch display apparatus includes a color filter structure, a thin film transistor (TFT) array structure, a liquid crystal layer between the color filter structure and the TFT array structure, and a driving and detection unit. The color filter structure comprises a touch electrode layer. The TFT array structure comprises a conductive layer. The touch electrode layer comprises a plurality of touch electrodes arranged in a matrix and a plurality of pressure sensing electrodes arranged in a matrix. The touch electrodes and the pressure sensing electrodes are located on a same layer. The conductive layer comprises a plurality of conductive portions. The touch electrodes sense a touch position, and the pressure sensing electrodes and the conductive portions cooperate with each other to sense a touch pressure.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: November 26, 2019
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Fu Weng, Chien-Wen Lin, Chia-Lin Liu
  • Patent number: 10475380
    Abstract: An organic light-emitting display apparatus includes: a plurality of emitting pixels coupled to a plurality of scan lines extending in a row direction and a plurality of data lines extending in a column direction; a plurality of dummy pixels arranged in the row direction; a plurality of first repair lines extending in the column direction, that are coupled to the plurality of dummy pixels, and that are adapted to be coupled to the plurality of emitting pixels; a plurality of second repair lines extending in the column direction, and that are coupled to the plurality of dummy pixels; and a plurality of repair switching devices arranged in a matrix array and adapted to be coupled to the plurality of scan lines and the plurality of second repair lines and adapted to be coupled to the plurality of data lines.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-In Hwang, Young-Jin Cho, Dong-Gyu Kim
  • Patent number: 10467956
    Abstract: The present disclosure provides a pixel driving circuit, an array substrate and a display device. The pixel driving circuit comprises a charge storage unit, for receiving a power supply voltage signal; a driving unit, for generating a driving current that drives the OLED to emit light; a reset unit, for writing a voltage of an initial voltage signal into a second terminal of the charge storage unit in a reset phase; a data write unit, for writing a voltage of a data voltage signal and the threshold voltage of the driving unit into the second terminal of the charge storage unit in a data write phase; and a light emitting control unit, for controlling the power supply voltage signal to be written into the driving unit so as to generate the driving signal in a light emitting phase.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: November 5, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liye Duan, Lirong Wang, Chungchun Lee, Chiehhsing Chung, Junjie Lin
  • Patent number: 10466827
    Abstract: A touch sensor that includes a pressure detection sensor and a position detection sensor. The pressure detection sensor and the position detection sensor are sequentially disposed from an operation surface side of the touch sensor. The position detection sensor includes a dielectric substrate, first position detecting electrodes on a first principal surface of the dielectric substrate, and second position detecting electrodes on a second principal surface of the dielectric substrate. The pressure detection sensor includes a piezoelectric film, a first piezoelectric detecting electrode on a first principal surface of the piezoelectric film, and a second piezoelectric detecting electrode on a second principal surface of the piezoelectric film. The first and second piezoelectric detecting electrodes are disposed so as to not overlap the first and second position detecting electrodes.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: November 5, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masamichi Ando, Hidekazu Kano
  • Patent number: 10459572
    Abstract: This application provides a touchscreen interference suppression method and apparatus, and a terminal device. In the method, when a touchscreen is in an untouched state, whether a wideband interference signal exists in the touchscreen is detected; and when the wideband interference signal exists, a detection bandwidth of a filter unit is reduced.
    Type: Grant
    Filed: January 26, 2014
    Date of Patent: October 29, 2019
    Assignee: Huawei Device Co., Ltd.
    Inventors: Wei Di, Jie Zou, Yang Yang, Tianpeng Wang
  • Patent number: 10452186
    Abstract: The present disclosure provides a handwriting display device and a manufacturing method for the same. In one embodiment, the handwriting display device includes a plurality of unit pixels arranged in array, and each of the unit pixels comprises a display unit and a piezoelectric unit configured for sensing a pressure to excite the display unit and the display unit is configured for displaying a picture under excitation implemented by the piezoelectric unit. The present disclosure also provides a controlling method for the handwriting display device.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: October 22, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Junwei Wang
  • Patent number: 10455223
    Abstract: A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: October 22, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takeo Koito, Daisuke Takama
  • Patent number: 10438546
    Abstract: The embodiments of the present disclosure provide a circuit for removing residual image after power-off, a method for driving the circuit, and a display apparatus. The circuit comprises a comparator, a control circuit and an output circuit. The comparator is configured to output a high level voltage when a voltage at its non-inverting terminal is higher than a voltage at its inverting terminal, or output a low level voltage when the input voltage at its non-inverting terminal is lower than or equal to the input voltage at its inverting terminal. The control circuit is configured to align a voltage at the control node with a voltage at the second level terminal when the comparator outputs the high level voltage, and align the voltage at the control node with a voltage at the third level terminal when the comparator outputs the low level voltage.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 8, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuting Yang, Lingxiao Hu, Chun Ye