Patents Examined by Lun-Yi Lao
  • Patent number: 9892703
    Abstract: A display device includes an output circuit including a differential amplifier circuit, an output amplifier circuit that includes a first transistor of the first conduction type coupled between the first supply terminal and the output terminal, and including a control terminal coupled to the differential amplifier circuit, a first control circuit, an input terminal, an output terminal, and first to third supply terminals to which first to third supply voltages are applied, wherein the third supply voltage is set to a voltage between the first supply voltage and the second supply voltage, or the second supply voltage, and wherein the first control circuit includes a third transistor and a first switch which are coupled in series between the first supply terminal and the control terminal of the first transistor.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: February 13, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Hiroshi Tsuchi
  • Patent number: 9891754
    Abstract: Disclosed is a method for controlling a display and a display using the same. The method includes: detecting the approach of a user's hand to the display unit, determining a user's input hand shape; and displaying a display screen corresponds to the determined user's input hand shape. Through the present invention, a user may render a higher menu list and a lower menu list to be displayed on one screen, and may control display screen shift direction and speed, merely by performing a finger extending and folding action. Further, the user may control the size of a display screen by inputting the finger extending and folding action.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: February 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Young Lim, Min Kyu Park, Hee Jeong Choo, Hyun Ki Kim
  • Patent number: 9880677
    Abstract: A touch display device includes: a touch display panel including a display region and a non-display region; gate lines and data lines crossing each other to define a pixel region in the display region; a thin film transistor in the pixel region and connected to the corresponding gate and data lines; a touch block having a plurality of pixel regions; a touch line connected to the touch block; a touch display driver IC that supplies a gate signal, a data signal and a common voltage to the pixel region, and supplies a touch scan signal to the touch block; a flexible printed circuit board that transfers timing signals and image data from an external system to the touch display driver IC; and a memory mounted on the flexible printed circuit board.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: January 30, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Hyun Lee, Hong-Chul Kim
  • Patent number: 9880667
    Abstract: A touch screen display device includes a first touch electrode, a second touch electrode and a conductive pattern. The first touch electrode receives a touch driving signal. The second touch electrode is positioned so as to be spaced apart from the first touch electrode. The conductive pattern is positioned so as to overlap with the first touch electrode, and receives a boost signal for boosting the touch driving signal. Accordingly, the touch driving signal is boosted, thereby improving touch sensitivity.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Koo Hur
  • Patent number: 9875693
    Abstract: A data driver includes a data signal converter to convert image data to a data signal, an output buffer to output the data signal to a data line, a first cascode circuit connected to the output buffer and including a plurality of transistors, a first noise attenuator connected to a first node between the output buffer and the first cascode circuit, and to attenuate a first current noise, a second cascode circuit connected to the output buffer and including a plurality of transistors, a second noise attenuator connected a second node between the output buffer and the second cascode circuit, and to attenuate a second current noise, a current integrator to generate an integrated voltage by integrating a first current flowing through the first cascode circuit and a second current flowing through the second cascade circuit, and an analog-digital converter (ADC) to convert the integrated voltage to a digital signal.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh-Jo Kwon, Ji-Woong Kim, Choong-Sun Shin, Joo-Hyung Lee, Jun-Suk Bang, Gyu-Hyeong Cho
  • Patent number: 9870075
    Abstract: Disclosed is a touch screen device for accurately detecting a touch by using a touch pen without having a separate sensor provided in a touch panel. The touch screen device includes a touch screen including a plurality of touch electrodes, a touch driving circuit applying a touch electrode driving signal to the plurality of touch electrodes, and a touch pen receiving the touch electrode driving signal applied to the plurality of touch electrodes and transmitting a pen output signal, synchronized with the received touch electrode driving signal, to the touch screen.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: January 16, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungsu Han, SungChul Kim, SangHyuck Bae, Suyun Ju, DoYoung Jung
  • Patent number: 9852698
    Abstract: An image signal provided from an external device is converted into a data signal such that an image is displayed on a display panel, and a first light control signal and a second light control signal are output. A backlight unit provides the display panel with a first color light and a second color light different from the first color light in response to the first light control signal and the second control signal. The display panel driving unit also determines a pulse width of each of the first light control signal and the second light control signal according to a color characteristic of the image signal.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Kwangkeun Lee, Jae Byung Park, Jaehyun Cho, Seon-Tae Yoon, Hyundeok Im, Sung-Jin Hong
  • Patent number: 9852676
    Abstract: An active matrix substrate (12A) of a liquid crystal display device (10) includes: drive electrodes (32A, 32B) a pair of which are arranged in each pixel; pixel electrodes (36) each of which is provided in each pixel; first switching elements (34A) each of which is connected to one of the pair of drive electrode (32A); second switching elements (34B) each of which is connected to the other drive electrode (32B); third switching elements (34C) connected to the pixel electrodes (36); first source lines (30A) connected to the group of the first switching elements (34); second source lines (30B) connected to the group of the second switching elements (34B); third source lines (30C) connected to the group of the third switching elements (30C); and a plurality of gate lines (28).
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: December 26, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hidekazu Miyata, Iori Aoyama, Yuichi Kita
  • Patent number: 9837038
    Abstract: A display panel uses demultiplexers to reduce numbers of data lines, and divides the data lines into groups being coupled to the demultiplexers respectively. The demultiplexers are disposed along an edge of the display region and compliant to the outline of the display panel, so as to save the layout space. In addition, the layout of control lines of the demultiplexers can be configured to more effectively utilize the layout space in the layout region. Furthermore, the aforementioned layout helps reduce the length of the conductive lines, and improves the transmission of signals in the conductive lines.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: December 5, 2017
    Assignee: Au Optronics Corporation
    Inventor: Chia-Hwa Lee
  • Patent number: 9830871
    Abstract: A method for driving a display panel having a variable refresh rate is disclosed. The method comprises detecting a condition that results in a charge accumulation in the display panel using an accumulated difference in time duration between frames of positive polarity and frames of negative polarity received from an image source. The DC imbalance is a result of a frame pattern comprising alternating frames of differing polarities, wherein frames of positive polarity within the frame pattern are of a different time duration than frames of negative polarity, and wherein the frame pattern results in an accumulation of charge in pixels of the display panel. The method also comprises correcting for the charge accumulation by disrupting the frame pattern.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: November 28, 2017
    Assignee: NVIDIA CORPORATION
    Inventors: Gerrit Slavenburg, Robert Schutten, Tom Verbeure
  • Patent number: 9823758
    Abstract: A computer system has a touch sensitive display screen within a housing and a touch sensor, which is coupled to a bus. A processor and a memory are coupled to the bus. The housing has a channel for receiving and storing a stylus. A sensor is disposed adjacent to the channel. The sensor interacts with the stylus through the Hall effect caused by a magnet within the stylus and is thus operable for detecting a presence or absence of the stylus without physical contact therewith. The memory has an application which, when executed on the processor, automatically performs one or more stylus related software functions upon a reported absence of the stylus from the channel. One of the software functions includes palm detection rejection with respect to data from the touch sensor. Another function includes display of a GUI displaying a listing of applications that are based on stylus data entry modes. Another function includes setting up OS modes designed for accurate operation of stylus data entry.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: November 21, 2017
    Assignee: Nvidia Corporation
    Inventors: Christen Kent Pedersen, Arman Toorians
  • Patent number: 9811172
    Abstract: Various embodiments described herein are directed toward input mechanisms, for input devices, configured to receive and removably couple to interchangeable elements. Handheld input devices applicable to some embodiments may include, without limitation, computer controllers, video game console controllers, and handheld video gaming devices. Input mechanisms applicable to various embodiments may include, for example, control sticks (e.g., joysticks or analog sticks operable by a user's finger, such as a thumbstick), buttons, switches, and directional pads. According to some embodiments, an input mechanism is provided comprising a base component. Depending on the embodiment, coupling different interchangeable elements to the base component may cause the input mechanism to vary in size, appearance, contour, material, or features provided by the input mechanism.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 7, 2017
    Assignee: Performance Designed Products LLC
    Inventors: Bradley M. Strahle, Eric B. Fulghum
  • Patent number: 9812049
    Abstract: A display device including a plurality sub-pixel groups is disclosed. Each of the plurality sub-pixel groups includes a first sub-pixel, locating at a first column, a first row and a second row adjacent to the first row; a second sub-pixel, locating at a second column adjacent to the first column, the first row and the second row; a third sub-pixel locating at a third column adjacent to the second column and a first row; and a fourth sub-pixel locating at the third column and the second row.
    Type: Grant
    Filed: March 8, 2015
    Date of Patent: November 7, 2017
    Assignee: NOVATEK Microelectronics Corp.
    Inventor: Kai-Min Yang
  • Patent number: 9804691
    Abstract: Various embodiments described herein are directed toward input mechanisms, for input devices, configured to receive and removably couple to interchangeable elements. Handheld input devices applicable to some embodiments may include, without limitation, computer controllers, video game console controllers, and handheld video gaming devices. Input mechanisms applicable to various embodiments may include, for example, control sticks (e.g., joysticks or analog sticks operable by a user's finger, such as a thumbstick), buttons, switches, and directional pads. According to some embodiments, an input mechanism is provided comprising a base component. Depending on the embodiment, coupling different interchangeable elements to the base component may cause the input mechanism to vary in size, appearance, contour, material, or features provided by the input mechanism.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: October 31, 2017
    Assignee: Performance Designed Products LLC
    Inventors: Bradley M. Strahle, Eric B. Fulghum
  • Patent number: 9804723
    Abstract: An electrostatic capacitive coupling type touch panel including an input region having four sides, a peripheral region around the input region, terminals formed in the peripheral region along a first side of the input region, wirings formed in the peripheral region along second, third and fourth sides of the input region, and the input region having X and Y electrodes crossing. The wirings are connected between corresponding X or Y electrodes and wiring terminals plurality of terminals. A dummy wiring, which is not connected to any of the X electrodes or Y electrodes, is provided outside the wiring formed in a farthest position from the input region, and the dummy wiring extends through the peripheral region along the second, third and fourth sides of the input region, and electrically connects to at least one dummy wiring terminal.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 31, 2017
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., LTD.
    Inventors: Hiroshi Esaka, Shouji Ikeda, Kouichi Anno
  • Patent number: 9804713
    Abstract: An embodiment of a method for processing finger-detection data produced by a touch screen includes: computing the area of the finger-data map and extracting the main axes from the finger-data map, computing the lengths and orientations of the main axes, determining from the main axes a major axis having a major-axis orientation, computing a geometrical center and a center of mass of the finger-data map, computing an eccentricity of the finger-data map as a function of the lengths of the main axes outputting the major-axis orientation as indicative of the finger-orientation direction in the plane of the screen, outputting the mutual position of the geometrical center and the center of mass of the finger-data map as indicative of finger-pointing direction along the finger-orientation direction in the plane of the screen, and outputting a combination of the eccentricity and the area of the finger data map as indicative of finger orientation with respect to the plane of the screen.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: October 31, 2017
    Assignee: STMicroelectronics S.r.l.
    Inventors: Nunziata Ivana Guarneri, Alessandro Capra
  • Patent number: 9805679
    Abstract: The disclosure is related to a scan driving circuit for an oxide semiconductor thin film transistor and the NOR gate logic operation circuit thereof. The NOR gate logic operation circuit includes a first invertor and a second invertor applied in the pull down holding circuit of the GOA circuit, and a plurality of transistors. The combination of the NTFT and the invertor displaces the original function of the PMOS element to realize a characteristic similar to an original COMS NOR operation circuit, thereby solving a design problem of the logic operation circuit using a IGZO TFT single element, such that a larger scale digital integrated circuit is further suitably integrated into the liquid crystal display.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: October 31, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Chao Dai
  • Patent number: 9799273
    Abstract: A display device includes a data driver and a pixel current measuring unit. The data driver applies data signals to a plurality of data lines connected to a plurality of pixels. The pixel current measuring unit measures current flowing to the data lines in order to sense a state of degradation of the pixels. The data driver and pixel current measuring unit are integrally formed in one-body-type connected to the data lines.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: October 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seo Hyeong Yang
  • Patent number: 9791952
    Abstract: Disclosed is a touch display apparatus including a display panel, a substrate and a touch-sensing layer thereon. The substrate is disposed above the display panel and includes a touch-sensing region and a non-touch-sensing region. The touch-sensing layer includes a first trace, and at least a part of the first trace is disposed above the non-touch-sensing region. A mesh pattern is formed on a surface of the first trace.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 17, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Hsiung Chang, Yang-Chen Chen, Mei-Chun Shih
  • Patent number: 9786219
    Abstract: An organic light emitting display panel includes a plurality of pixels, each of which includes an organic light emitting diode and each coupled to a first power voltage line. A voltage supplied to the first power voltage line in a display mode is lower than a voltage supplied to the first power voltage line in an aging mode. The display mode includes a mode in which the organic light emitting diode emits light. The aging mode includes a mode in which the organic light emitting diode does not emit light.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Byung-Uk Han