Patents Examined by John Kirkpatrick
  • Patent number: 9530379
    Abstract: A display device including an e-paper device and a power converter is provided. The e-paper device displays information. The power converter generates a plurality of output voltages respectively at a plurality of output terminals and provides the plurality of output voltages to the e-paper device. The power converter includes a transformer and a plurality of diodes. The transformer has a primary winding and a plurality of secondary windings. The diodes are electrically connected between the secondary windings and the output terminals for generating the output voltages, respectively.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: December 27, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Ming-Chih Chiu, Wen-Bin Liu, Ron Hsu
  • Patent number: 9330596
    Abstract: A pixel capable of displaying an image with uniform brightness. The pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current supplied from a first power source coupled to a first electrode to the OLED, a second transistor coupled between a gate electrode of the first transistor and an initial power source to be turned on when a second scan signal is supplied to a second scan line, a first capacitor coupled between the gate electrode of the first transistor and the first power source, and a second capacitor whose first terminal is coupled to a first electrode of the first transistor.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Moo Choi, Seong-Il Park, Keum-Nam Kim, Dong-Beom Lee
  • Patent number: 9286834
    Abstract: An organic light emitting diode display device comprises: a plurality of pixels, wherein each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a first scan signal to connect the first node to a data line; a second TFT in response to a second scan signal to connect the first node to a first reference voltage source; a third TFT in response to an emission signal to connect the second node to the third node; and capacitors.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: March 15, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Joongsun Yoon
  • Patent number: 9270958
    Abstract: A LCD display includes a light source section, a LCD panel including a plurality of pixels each having sub-pixels of R, G, B, and Z, and a display control section including an output signal generation section. The display control section performs a display drive on the sub-pixels with use of the respective output video signals, and performs a lighting drive on the light source section with use of the lighting signal. The output signal generation section generates output video signals corresponding to the respective four colors, based on the input video signals, and generates a lighting signal of the light source section, based on the input video signals, to perform a predetermined dimming processing, based on both the input video signals and the generated lighting signal, and finally generates the output video signals through performing a predetermined color conversion processing, based on a resultant video signal from the dimming processing.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: February 23, 2016
    Assignee: SONY CORPORATION
    Inventors: Ken Kikuchi, Tomoya Yano
  • Patent number: 9262974
    Abstract: A driving integrated circuit capable of driving various image display panels having different pixel arrangements is described. A data driving unit alternately supplies analog image signals to one of two adjacent data lines. A data switching unit selects the data lines such that the image signals are alternately supplied to the adjacent data lines of the plurality of data lines and electrically connecting the data lines to the output channels of the data driving unit.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: February 16, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Hyun-Jae Lee
  • Patent number: 9262960
    Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: February 16, 2016
    Assignee: Chunghwa Picture Tubes, LTD.
    Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
  • Patent number: 9251737
    Abstract: A pixel circuit, display panel and display apparatus are provided. The pixel circuit comprises a driving sub-circuit, whose first terminal is connected with first reference voltage source via power supply lead, and second terminal is connected with first terminal of a light emitting device; a charging sub-circuit, whose output terminal is connected with third terminal of the driving sub-circuit, which is configured to charge the driving sub-circuit before the driving sub-circuit drives the light emitting device to emit light; and a compensation sub-circuit, whose first terminal is connected with second terminal of the light emitting device, second terminal is connected with second reference voltage source, which is configured to compensate for voltage drop on the power supply lead of voltage which is provided to the driving sub-circuit from the first reference voltage source, so as to raise the uniformity of display brightness within display area of the panel.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: February 2, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Sun, Jang Soon Im, Lujiang Huangfu
  • Patent number: 9241379
    Abstract: A method of dimming a light source module including a light guide plate, a first light emitting module including first to k-th light source blocks, wherein the first light emitting module is disposed on a first edge of the light guide plate, and a second light emitting module including first to m-th light source blocks, the second light emitting module being disposed on a second edge of the light guide plate, the second edge disposed opposite the first, the method including; generating a first group of driving signals and a second group of driving signals based on an image signal and driving the first to k-th light source blocks using the first group of the driving signals during a first period in a reference period and driving the first to m-th light source blocks using the second group of driving signals during a second period in the reference period.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: January 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ho-Sik Shin, Gi-Cherl Kim, Se-Ki Park, Seok-Won Kang, Hee-Kwang Song
  • Patent number: 9236009
    Abstract: An organic light emitting display device includes: a display panel; a timing controller configured to receive image data when a vertical sync signal is activated, to receive reference data corresponding to the image data when the vertical sync signal is deactivated, and to generate an emission control signal in accordance with emission duty information of the reference data; and an emission driver configured to supply first and second emission powers to the display panel, and to control a duration of a period during which a potential difference between the first and second emission powers is greater than or equal to a reference value in accordance with the emission control signal.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: January 12, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hwa Park, Baek-Woon Lee
  • Patent number: 9235238
    Abstract: According to an aspect, a mobile electronic device includes a first and a second display unit, a first and a second operation detection unit, and a control unit. The first and the second display unit display a first and second operation screen respectively. The first and the second operation detection unit detect an operation for the first and second display unit respectively. The control unit performs a switching control to switch between a first state and a second state. In the first state, a display of the second display unit is deactivated and an operation detected by the second operation detection unit is processed as an operation for the first operation screen. In the second state in, a display of the first display unit is deactivated and an operation detected by the first operation detection unit is processed as an operation for the second operation screen.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: January 12, 2016
    Assignee: KYOCERA CORPORATION
    Inventor: Yuka Ishizuka
  • Patent number: 9223432
    Abstract: An embedded sensor of a touch panel includes at least a readout unit and a reset unit. The total readout length or the total reset length during each sensing period may be larger than the pixel refresh period by introducing other readout units, introducing other reset units, or increasing the enabling period of the gate driving signals, thereby enhancing the sensibility of the touch panel.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: December 29, 2015
    Assignee: AU Optronics Corp.
    Inventor: Hsueh-Ying Huang
  • Patent number: 9196215
    Abstract: A display device including an e-paper device and a power converter is provided. The e-paper device displays information. The power converter generates a plurality of output voltages respectively at a plurality of output terminals and provides the plurality of output voltages to the e-paper device. The power converter includes a transformer and a plurality of diodes. The transformer has a primary winding and a plurality of secondary windings. The diodes are electrically connected between the secondary windings and the output terminals for generating the output voltages, respectively.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: November 24, 2015
    Assignee: Delta Electronics, Inc.
    Inventors: Ming-Chih Chiu, Wen-Pin Liu, Rong Hsu
  • Patent number: 9189089
    Abstract: A pointing device such as a scrolling device or trackball, including a ball formed at least partially from an electrically conductive material, and a PCB including a capacitive proximity sensor, wherein movement data representative of ball movement is communicated by a controller to an interface such as a monitor screen, and wherein an electrical switch is actuable in response to the proximity of the sensed object to the ball, such that when a user is not in contact with or in close proximity to the ball, movement data will not be communicated by the controller to the interface.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: November 17, 2015
    Assignee: Cursor Controls Limited
    Inventors: Tony Sutton, Andre Chin, Nathan Selby
  • Patent number: 9189094
    Abstract: A display control apparatus controls a plurality of buttons displayed on a screen of a display unit. The apparatus, via a detection unit and position calculation unit, calculates a pointer position on the screen that corresponds to a contact position on an input screen that is touched by a fingertip of user. A button selection unit selects one button, as a desired button, from among the plurality of buttons on the screen based on the pointer position. A selected button display control unit displays the desired button on the screen in a display mode different from the buttons not selected. A position correction unit corrects a current pointer position to be at a reference line when the reference line extends in a specific direction from a previous pointer position and the current pointer position is within a specific range that is set to include the reference line.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: November 17, 2015
    Assignee: DENSO CORPORATION
    Inventors: Shohei Morikawa, Takeshi Kawashima, Hirotaka Goto
  • Patent number: 9190006
    Abstract: A display device includes a plurality of pixel each including a transistor, a pixel electrode connected to the transistor, and a reference electrode disposed so as to be opposite to the pixel electrode. The display device also includes data lines connected to the corresponding pixel circuits, a plurality of gate lines connected to the corresponding pixel circuits, gate circuits each of which sequentially outputs a gate signal, which is in a high voltage level during two or more horizontal periods in a first order or in a second order that is reverse to the first order, and a gate signal control circuit that controls each of the gate circuits and scans the gate lines. The gate signal control circuit controls each of the gate circuits to start to output the gate signals so as not to overlap periods when the gate signals are output to the adjacent gate lines.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: November 17, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takahiro Ochiai, Mitsuru Goto
  • Patent number: 9189100
    Abstract: A touch screen panel is disclosed. The touch screen panel includes a pixel unit, a touch sensing unit, and a data driver configured to provide data voltages to the pixel unit and to provide driving signals to the touch sensing unit.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: November 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Kwon Ha, Joo-Hyung Lee, Sang-Jin Pak, Ji-Gong Lee, Hee-Chul Hwang
  • Patent number: 9182626
    Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes: a liquid crystal display panel configured to include color filters arranged to have different color arrangement in odd and even horizontal lines, and to display an image; an input portion configured to input data for pixels opposite to the color filters of the odd and even numbered horizontal lines; a data converter configured to compensate for the input data from the input portion using rendering filter values which are differently set according to the odd and even horizontal lines; a controller configured to re-arrange the compensated data from the data converter into a suitable format for the liquid crystal display panel; and a data driver configured to apply the re-arranged data from the controller to the liquid crystal display panel and drive the liquid crystal display panel.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: November 10, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: Young Hoon Kim
  • Patent number: 9153167
    Abstract: An organic light emitting display capable of displaying an image with desired brightness. The organic light emitting display includes a scan driver for supplying a first scan signal to first scan lines, for supplying a second scan signal to second scan lines, and for supplying emission control signals to emission control lines, a data driver for supplying data signals to data lines, horizontal power source lines extending in parallel with the first scan lines at horizontal lines, and configured to receive a fourth voltage in a first period of a period in which the first scan signal is supplied, and configured to receive a third voltage that is lower than the fourth voltage in a second period excluding the first period, and pixels positioned at crossing regions of the first scan lines and the data lines. Each of the pixels includes an OLED, a first transistor, and a storage capacitor.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: October 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Moo Choi
  • Patent number: 9104239
    Abstract: Provided are a display device and a method for controlling the same. The display device comprises a display unit, and a controller configured to perform predetermined functions according to a distance with a external object in response to an identical gesture made by the external object.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: August 11, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Taehyeong Kim, Sangki Kim, Soungmin Im
  • Patent number: 9099045
    Abstract: Disclosed herein is a backlight apparatus for controlling a backlight wherein light emitting devices for emitting light of red, green and blue and a switching device for switching on or off light emission of the light emitting devices are provided for each of a plurality of divisional regions formed by division of a lighting region such that the light emission luminance can be varied for each of the regions, the backlight apparatus including: light emission luminance control means; current value storage means; and current control means.
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: August 4, 2015
    Assignee: Thomson Licensing
    Inventors: Mitsunori Ueda, Tadashi Morimoto, Minoru Mizuta