Patents Examined by Alecia D English
  • Patent number: 10338752
    Abstract: A touch panel, a manufacturing method thereof and a display device are disclosed. The method for manufacturing the touch panel includes: forming touch electrodes (4) with topological semiconductor characteristics on a substrate (1), in which the touch electrodes (4) with topological semiconductor characteristics are obtained by a topological treatment on a Ge film with functionalized elements. The touch panel manufactured by the method and the display device including the touch panel have high touch sensitivity.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Long Wang, Yanzhao Li, Yong Qiao, Yongchun Lu
  • Patent number: 10339861
    Abstract: An organic light emitting diode display device according to an embodiment includes pixels each configured with an organic light emitting diode and a driving switch used to control a current flowing through the organic light emitting diode. The organic light emitting diode display device compensates a deterioration property of the organic light emitting diode after properties of the driving switch is compensated. As such, the deterioration property of the organic light emitting diode can be maximally reflected to a sensing data. In accordance therewith, the deterioration property of the organic light emitting diode can be accurately compensated.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 2, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae Gung Kim, Jung Hyeon Kim
  • Patent number: 10269294
    Abstract: Discussed is an OLED display device. The OLED display device includes a first transistor, a driving transistor, a first capacitor, a second transistor, an OLED, and a third transistor. The first transistor supplies a data voltage or a reference voltage to a first node according to a scan signal. A gate of the driving transistor is connected to the first node, a source of the driving transistor is connected to a second node, and a drain of the driving transistor is connected to a fourth node. The first capacitor is connected between the first and second nodes. The second transistor supplies a high-level source voltage to the second node. The OLED emits light with a difference voltage between voltages of the first and second nodes. The third transistor connects the fourth node to a fifth node according to a second emission control signal.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: April 23, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Sanghyeon Kwak
  • Patent number: 10185356
    Abstract: For input devices of mobile apparatuses placing more importance on the portability and mobile apparatuses placing more importance on display unit such as displays, it is possible to provide an input device and an input method which can easily be operated by a user even if an input unit in the apparatuses is small. The input device includes: an input unit formed by first vibration detection units which detect vibration transmitted via a body of a user holding the input device when a part of the user's body is brought into contact, and a second vibration detection unit; and an input information identification module which calculates a detection time difference between the moment when the vibration is directed by the first vibration detection units and the moment when the vibration is directed by the second vibration detection unit and outputs a code signal corresponding to the time difference.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: January 22, 2019
    Assignee: NEC CORPORATION
    Inventor: Shin Norieda
  • Patent number: 10168814
    Abstract: A force sensing device for electronic device. The force inputs may be detected by measuring changes in capacitance, as measured by surface flex of a device having a flexible touchable surface, causing flex at a compressible gap within the device. A capacitive sensor responsive to changes in distance across the compressible gap. The sensor can be positioned above or below, or within, a display element, and above or below, or within, a backlight unit. The device can respond to bending, twisting, or other deformation, to adjust those zero force measurements. The device can use measure of surface flux that appear at positions on the surface not directly the subject of applied force, such as when the user presses on a part of the frame or a surface without capacitive sensors.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 1, 2019
    Assignee: Apple Inc.
    Inventors: Steven P. Hotelling, Martin P. Grunthaner, Peter W. Richards, Romain A. Teil, Charley T. Ogata, Michael B. Wittenberg
  • Patent number: 10162454
    Abstract: A touch display apparatus and an operation method of the touch display apparatus are provided. The touch display apparatus includes a flexible touch display panel, a transmission electrode, and a reception electrode. The flexible touch display panel is bendable along a bending line. The transmission electrode and the reception electrode are arranged in the flexible touch display panel. The transmission electrode and the reception electrode are symmetrically located on two sides of the bending line, respectively, so that the reception electrode can receive a signal transmitted from the transmission electrode when the flexible touch display panel is bent along the bending line. The display mode of the flexible touch display panel is determined according to whether the reception electrode receives the signal transmitted from the transmission electrode.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: December 25, 2018
    Assignee: Acer Incorporated
    Inventors: Nai-Wen Shih, Jin-Ting Kuo
  • Patent number: 10162444
    Abstract: A force-sensitive device for electronic device. The force inputs may be detected by measuring changes in capacitance, as measured by surface flex of a device having a flexible touchable surface, causing flex at a compressible gap within the device. A capacitive sensor responsive to changes in distance across the compressible gap. The sensor can be positioned above or below, or within, a display element, and above or below, or within, a backlight unit. The device can respond to bending, twisting, or other deformation, to adjust those zero force measurements. The device can use measure of surface flux that appear at positions on the surface not directly the subject of applied force, such as when the user presses on a part of the frame or a surface without capacitive sensors.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: December 25, 2018
    Assignee: Apple Inc.
    Inventors: Charley T. Ogata, Martin P. Grunthaner, Michael B. Wittenberg, Peter W. Richards, Romain A. Teil, Steven P. Hotelling
  • Patent number: 10126851
    Abstract: An in-cell touch display device includes an in-cell touch panel, a backlight module driving circuit, a backlight module, a gate driving circuit, a touch processing circuit and a control circuit. The in-cell touch panel includes a plurality of gate lines and a plurality of touch sensing units. The control circuit is used for defining a plurality of gate line driving periods separated from each other in the time and at least one touch sensing period in a frame period. The touch sensing period is between two adjacent gate line driving periods. During the gate line driving periods, the control circuit controls the gate driving circuit to drive the gate lines sequentially and outputs a signal to the backlight module driving circuit to turn on the backlight module. During each touch sensing period, the control circuit controls the touch processing circuit to output a driving signal to the touch sensing units and outputs a signal to the backlight module driving circuit to turn off the backlight module.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: November 13, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Pi-Chun Yeh, Ching-Sheng Cheng
  • Patent number: 9972257
    Abstract: A polarity inversion driving method and apparatus for a liquid crystal display panel, and a liquid crystal display, is provided in order to solve the technical problem in the prior art that the interference strips are concentrated in one line, without increasing the power consumption of the liquid crystal display panel. The method comprises the steps of: generating N polarity control signals of different timings, wherein N is an integer and N?2, and each polarity control signal is used to control a polarity voltage for sub-pixels in one or more columns of a liquid crystal display panel; and outputting the N polarity control signals to polarity control lines in the liquid crystal display panel, wherein each polarity control line corresponds to one polarity control signal.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: May 15, 2018
    Assignees: BOE TECHOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuting Yang, Hengzhen Liang, Wenhao Zhang, Yang Zhang, Chun Ye
  • Patent number: 9952762
    Abstract: An interface system that allows for tactile manipulation of a touch screen for people with disabilities and which provides appropriate tactile marking for the action they wish to carry out and that may afford a sensation that a button is being pressed to a user, is provided. The system includes a touch screen and a tactile button assembly that extends over at least a portion of the touch screen. The tactile button assembly includes tactile buttons with tactile indicia that can be felt by a user. The tactile buttons are arranged with respect to the touch screen so that when a tactile button is pressed by a user, a contact end of the tactile button contacts a button on the touch screen to perform a predetermined task associated with pressing such button on the touch screen.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: April 24, 2018
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: J. Bern Jordan, David P. Kelso, Gregg C. Vanderheiden
  • Patent number: 9946086
    Abstract: A stereoscopic image display includes a display panel; a polarization control panel that is positioned on the display panel and controls the polarization direction of light incident from the display panel; a lens panel positioned on the polarization control panel and having a plurality of lens shaping portions; a first driver for driving the display panel; a second driver for supplying a driving voltage to the polarization control panel; a timing controller for controlling the first driver and the second driver; and a sensing unit that senses the driving voltage supplied to the polarization control panel and outputs a decision signal for deciding whether the sensed driving voltage is in normal condition or abnormal condition.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 17, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Changho Lee, Seungho Baek, Jooah Kim
  • Patent number: 9933877
    Abstract: Problem: To achieve a pressure sensitive sensor capable of suppressing a drop in the accuracy of detecting a pressing force even in cases where the ambient temperature changes. Resolution means: A pressure sensitive sensor (7) includes: an elastically deformable covering member (10A) covering a front surface side; a variable resistance electrode (42A), electrical resistance thereof changing in response to a change in posture; a pyroelectric material layer (50) disposed covering the variable resistance electrode (42A); and a pair of charge detection electrodes (51, 52) disposed on both sides of the pyroelectric material layer (50) in a layering direction (L).
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: April 3, 2018
    Assignee: Nissha Co., Ltd.
    Inventors: Yuji Watazu, Naoto Imae, Keisuke Ozaki, Eiji Kakutani, Junichi Shibata
  • Patent number: 9911503
    Abstract: The present application provides a shift register unit as well as a gate drive circuit and a display device using it. The shift register unit comprises an input module, an NAND gate module, an inverter module, a pull-up module and a pull-down module. The input module receives an input signal and a first clock signal, and transfers the input signal to a first input end of the NAND gate module and the pull-down module under the control of the first clock signal. A second input end of the NAND gate module receives a second clock signal input, and an output end thereof connects the inverter module. An output end of the inverter module connects the pull-up module. The pull-up module pulls up the output signal to a high level based on the output of the inverter module. The pull-down module pulls down the output signal to a low level under the control of the received input signal and the second clock signal.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: March 6, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Zhanjie Ma
  • Patent number: 9898991
    Abstract: Provided are a shift register, a gate driver and a display device capable of eliminating voltage coupled noise at an output terminal. The shift register comprises a pulling-up unit, a clock control unit, a resetting unit, an inverting unit and a pulling-down unit; the pulling-up unit is connected with a shift trigging signal terminal, a high level signal terminal and the resetting unit; the clock control unit is connected with the pulling-up node, a clock signal terminal and the pulling-down unit; the resetting unit is connected with a reset signal terminal, a low level signal terminal, the pulling-up node and the output terminal; the inverting unit is connected with the high and low level signal terminals, the pulling-up node and the pulling-down unit; the pulling-down unit is connected with the pulling-up node, the pulling-down node, the low level signal terminal, the shift trigging signal terminal and the output terminal.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: February 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaofang Gu, Tong Yang, Rui Ma, Ming Hu
  • Patent number: 9881689
    Abstract: An emission driver and a display device having the same are disclosed. In one aspect, the emission driver includes a plurality of stages each configured to output an emission control signal, wherein each of the stages includes first and second driving blocks and a buffer block. The buffer block is configured to selectively output an emission control signal so as to operate in a sequential emission mode or in a simultaneous emission mode, the stages being configured to sequentially output a plurality of the emission control signals in the sequential emission mode and substantially simultaneously output the emission control signals in the simultaneous emission mode. The buffer block is further configured to determine a duration in which the emission control signal has a first voltage level based on an interval between time points when first and second intermediate signals have low voltage levels.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Yeon Lee, Bo-Yong Chung, Na-Young Kim
  • Patent number: 9864472
    Abstract: A touch driving detection circuit includes a plurality of region driving detection circuits. Each of the plurality of region driving detection circuits includes a control module, a strobe output module, a detection module, a first trigger signal line and a second trigger signal line. The first trigger signal line is configured to input a first trigger signal to the control module to control the strobe output units to output touch scanning signals simultaneously. The detection module is configured to detect whether a touch is present in the touch region and when a touch is present, the detection module triggers the second trigger signal line in the region driving detection circuit to input a primary trigger signal, so that the control module controls the strobe output units to output the touch scanning signals sequentially, thereby determining a location of a touched point in the touch region.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: January 9, 2018
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Kangpeng Yang, Yumin Xu
  • Patent number: 9823788
    Abstract: A capacitive in-cell touch panel, a display device and a driving method are provided. For the capacitive in-cell touch panel, at least one gate line (4) or at least one data line (5) is reused as a first touch sensing electrode, a plurality of mutually independent common electrodes (6) are disposed to intersect the first touch sensing electrode, and at least one common electrode (6) is reused as a second touch sensing electrode. The capacitive in-cell touch panel can reduce the number of masking in the manufacturing process, reduce the thickness of the touch panel and reduce the production cost. In the driving process of the touch panel, certain period is set aside of a frame of picture as touch period, that is, a time division driving mode is used for the touch time period and the display time period, it is also possible to avoid mutual interference between display signals and touch driving signals and in turn guarantee the quality of displayed picture and the touch accuracy.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: November 21, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wei Qin
  • Patent number: 9798418
    Abstract: An in-cell touch panel and a display device are provided. The in-cell touch panel comprises a plurality of self-capacitance electrodes, a touch detection chip, and a plurality of conductive lines connecting the plurality of self-capacitance electrodes to the touch detection chip. The plurality of self-capacitance electrodes are arranged in columns, and any two self-capacitance electrodes in two adjacent columns are not in a same row; or, the plurality of self-capacitance electrodes are arranged in rows, and any two self-capacitance electrodes in two adjacent rows are not in a same column. The touch detection chip determines a touch position by detecting signals of the self-capacitance electrodes.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: October 24, 2017
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xiaoliang Ding, Haisheng Wang, Yingming Liu, Wei Liu, Changfeng Li, Tao Ren
  • Patent number: 9779661
    Abstract: A pixel circuit comprising two sub pixel circuits, each of which includes: five switching units, a driving unit, an energy storage unit and an electroluminescent unit. A first switching unit, a second switching unit and a fifth switching unit of a first sub pixel circuit and a first switching unit, a second switching unit and a fifth switching unit of a second sub pixel circuit share a scanning signal line. In the pixel circuit, the operating current flowing through the electroluminescent unit is not affected by the threshold voltage of the corresponding driving transistor, which solves the problem of non-uniformity of display luminance because of the threshold voltage drift of the driving transistor.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: October 3, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shengji Yang
  • Patent number: 9773446
    Abstract: An electronic display includes a display panel, which includes an array of pixels and a driver configured to activate and deactivate the emission of light from each of the pixels in the array. The electronic display also includes a panel driver configured to generate and transmit an emission interrupt signal to the driver, wherein the emission interrupt signal causes the driver to deactivate the emission of light from all pixels in the array for a set period of time prior to a refresh of a line of pixels in the array.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: September 26, 2017
    Assignee: Apple Inc.
    Inventors: Wei H. Yao, Yafei Bi, Ahmad Al-Dahle