Patents Assigned to Au Optronics Corp.
  • Patent number: 9436310
    Abstract: A touch display includes a plurality of pixels, a plurality of scan lines, a plurality of data lines, a plurality of first conducting layers, and a plurality of third conducting layers. The plurality of scan lines are coupled to the plurality of pixels. The plurality of data lines are coupled to the plurality of pixels and the plurality of first conducting layers to provide a touch driving signal. Each first conducting layer of the plurality of first conducting layers is configured to receive the touch driving signal. The plurality of third conducting layers is configured to output a touch sensing signal according to the touch driving signals outputted by the plurality of first conducting layers.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: September 6, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
  • Patent number: 9437618
    Abstract: A pixel structure includes a thin film transistor device. The thin film transistor device includes a first connection electrode, a second connection electrode, an oxide semiconductor channel layer, a gate insulation layer, a gate electrode, a dielectric layer, a source electrode and a drain electrode. The oxide semiconductor channel layer at least partially covers a top surface of the first connection electrode and a top surface of the second connection electrode. The gate electrode is disposed on the gate insulation layer. The dielectric layer is disposed on the gate electrode and the gate insulation layer. The gate insulation layer and the dielectric layer have a first contact hole at least partially exposing the top surface of the first connection electrode and a second contact hole at least partially exposing the top surface of the second connection electrode.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: September 6, 2016
    Assignee: AU OPTRONICS CORP.
    Inventor: Cheng-Wei Chou
  • Patent number: 9429795
    Abstract: A display panel includes a pixel array, a light-shielding pattern and a plurality of spacers. The pixel array includes a plurality of sub-pixels. The light-shielding pattern has a first edge and a second edge disposed adjacent to two neighboring sub-pixels, respectively, and a width H exists between the first edge and the second edge. The spacers overlap the light-shielding pattern in a vertical projection direction, and each spacer has a diameter D. Each spacer has a first rim facing the first edge and a second rim facing the second edge. The first rim and the first edge have a first distance A?, the second rim and the second edge have a second distance B?. The width H between the first edge and the second edge, the diameter D of the spacer, the first distance A? and the second distance B? satisfy the following relations: B?>0; A??0; B?>A?; and 2D?H?3D.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: August 30, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Yuan-Chun Chung, Yen-Huang Hsu
  • Patent number: 9424949
    Abstract: A shift register circuit includes a first transistor, a capacitor, a pull-up control circuit, a first pull-down circuit, a pull-down control circuit, a second pull-down circuit and a compensation circuit. The compensation circuit further includes a second transistor, a third transistor, a fourth transistor, a fifth transistor and a sixth transistor. The second transistor, the third transistor, the fourth transistor, and the fifth transistor are corporately used to output a compensation pulse; and the sixth transistor is used to output the compensation pulse to a gate terminal of the first transistor thereby compensating a control signal.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: August 23, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Kai-Wei Hong, Pin-Yu Chan, Yung-Chih Chen, Li-Wei Liu
  • Patent number: 9418582
    Abstract: A test cell structure of a display panel is disposed in the peripheral region of the display panel. First conductive lines and second conductive lines extend from the display region to the peripheral region, and the amounts of the first and second conductive lines are the same. The test cell structure includes a plurality of first test transistors, a plurality of second test transistors, and a plurality of first shorting bars. The drains of the first test transistors are electrically connected to the first conductive lines respectively, and their sources are electrically connected to the first shorting bars. The sources of the second test transistors are electrically connected to the drains of the first test transistors respectively, and their drains are electrically connected to the second conductive lines. The first test transistors are disposed between the second test transistors and the display region.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: August 16, 2016
    Assignee: AU Optronics Corp.
    Inventors: Cheng-Liang Chang, Yuh-Huah Wang, Yen-Yu Peng, Che-Ming Yang
  • Patent number: 9412946
    Abstract: A method for manufacturing an organic light emitting display panel is disclosed. The organic light emitting display panel includes a substrate. The method includes forming a plurality of bank arrays, each of which has a plurality of banks, utilizing a plurality of ink-jet heads, each of which has a plurality of nozzles arranged alternately, to move relative to the substrate along a moving direction perpendicular to a border of the substrate, and utilizing at least one of the plurality of nozzles to drop organic light emitting ink for forming at least one organic light emitting pixel in at least one bank. An oblique angle is formed between an arrangement direction of the plurality of banks and the border of the substrate. Each ink-jet head forms the oblique angle cooperatively with the border of the substrate.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: August 9, 2016
    Assignee: AU Optronics Corp.
    Inventors: Peng-Yu Chen, Chia-Hwa Lee
  • Patent number: 9406250
    Abstract: A display panel includes a first substrate, a plurality of pixel units, a plurality of first signal lines, a first testing line and a second testing line. The first signal lines are disposed on a peripheral area and electrically connected to corresponding pixel units. The first signal lines include a plurality of first sets of signal lines and a plurality of second sets of signal lines alternatively arranged. The first and second sets of signal lines are formed on different layers. The first testing line is electrically connected to the first sets of signal lines. The second testing line is electrically connected to the second sets of signal lines.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 2, 2016
    Assignee: AU Optronics Corp.
    Inventors: Po-Ya Chen, Meng-Che Tsai
  • Patent number: 9400566
    Abstract: A driving method for a display panel is provided. The display panel includes at least a first common signal line, at least a second common signal line and a plurality of pixels arranged as a pixel array. The pixel array includes a first pixel row and a second pixel row electrically connected to the first common signal line and the second common signal line, respectively. The driving method includes steps of: generating a first AC common signal; generating a second AC common signal, wherein the first AC common signal and the second AC common signal are inverse to each other; and providing the first and second AC common signal to the first and second pixel rows through the first and second common signal lines, respectively, by way of N-frame switch, wherein N is a positive integer.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: July 26, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Wei-Chun Hsu, Yu-Hsin Ting, Wei-Chih Lee, Chung-Lin Fu, Nan-Ying Lin
  • Patent number: 9400410
    Abstract: A display panel for a display device having a backlight module includes a first substrate, a plurality of data lines, a plurality of pixel electrodes, a dielectric layer, and a common electrode. The data lines are disposed substantially in parallel on the first substrate. The pixel electrodes are respectively disposed between the data lines. The dielectric layer covers the pixel electrodes and the data lines. The common electrode is disposed on the dielectric layer, and the common electrode has two first electrode branches, two second electrode branches, and two third electrode branches. The electrode branches are respectively and correspondingly disposed on the both sides of the pixel electrodes. The first electrode branches, the second electrode branches, and the third electrode branches respectively have a first interval, a second interval, and a third interval therebetween. The first interval is larger than the second interval and the third interval.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: July 26, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Wei-Ming Cheng, Hsiao-Wei Cheng
  • Patent number: 9401220
    Abstract: A multi-phase gate driver includes a start/end signal generator circuit and X shift register modules. The start/end signal generator circuit is configured to sequentially output N start signals and N end signals according to a first control signal, a second control signal and N groups of clock signals. Each start and end signals have a delay relative to the previous one. Each group of clock signals includes a first clock signal and a second clock signal, which are inverted to each other. The X shift register modules are electrically coupled to the start/end signal generator circuit and each includes N shift register units. The Mth shift register unit of the first shift register module outputs a gate signal according to the Mth group of clock signals, the Mth start signal, and the gate signal outputted from the Mth shift register unit in the second shift register module.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: July 26, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Chien-Chuan Ko, Meng-Chieh Tsai
  • Patent number: 9390672
    Abstract: A driving circuit of a pixel includes a driving capacitor for driving liquid crystals according to a voltage difference between first and second ends of the driving capacitor, a reference voltage source for providing a reference voltage, a first data line for providing a first driving voltage, a second data line for providing a second driving voltage, a first scan circuit for electrically connecting the first and the second data lines to the first and the second ends of the driving capacitor respectively when the first scan circuit is turned on, a first scan line for controlling on and off states of the first scan circuit, a second scan circuit for electrically connecting the first end and the second end of the driving capacitor when the second scan circuit is turned on, and a second scan line for controlling on and off states of the second scan circuit.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: July 12, 2016
    Assignee: AU Optronics Corp.
    Inventors: Young-Ran Chuang, Kuan-Chun Huang, Ching-Huan Lin
  • Patent number: 9390653
    Abstract: A pixel circuit with an organic light emitting diode (OLED) includes an OLED, a driving switch, an enabling switch, a compensation circuit, and a data switch. Through the compensation circuit, the data switch, and the control of a compensation voltage, a voltage at the control terminal of the driving switch of the pixel circuit is set according to a data voltage and the absolute value of a threshold voltage of the driving switch. Hence, the driving current determined by the driving switch relates to the data voltage.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: July 12, 2016
    Assignee: AU OPTRONICS CORP.
    Inventor: Yu-Kai Lin
  • Patent number: 9384693
    Abstract: A pixel circuit includes one organic light emitting diode, five first transistors and two capacitors. The first and third transistors have terminals coupled to a first voltage. The second transistor has two terminals coupled to another terminal of the first transistor and a second voltage through the organic light emitting diode, respectively. The first capacitor has a terminal coupled to one terminal of the second transistor. The third transistor has a terminal coupled to one terminal of the first capacitor. The second capacitor has two terminals coupled to a control terminal of the second transistor and another terminal of the first capacitor, respectively. The fourth transistor has two terminals coupled to the terminal of the second transistor and a control terminal of the second transistor, respectively. The fifth transistor has a terminal coupled to the another terminal of the second transistor. A display apparatus is also provided.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: July 5, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Hua-Gang Chang, Yu-Shian Lin
  • Patent number: 9383841
    Abstract: A shift register is disclosed. The shift register circuit includes a pull up control circuit configured to provide a pull up control signal; a first pull up circuit configured to provide a sensor driving signal in response to the pull up control signal and a second clock signal; a second pull up circuit configured to provide a gate driving signal in response to a first clock signal, the pull up control signal and the second clock signal; a first pull down control circuit configured to output a first pull down control signal; a first pull down circuit configured to pull down the pull up control signal, the sensor driving signal and the gate driving signal in response to the first pull down control signal; and a main pull down circuit configured to pull down the pull up control signal and the gate driving signal.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: July 5, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Wei-Li Lin, Che-Wei Tung, Chia-Heng Chen, Shu-Fang Hou
  • Patent number: 9378680
    Abstract: A pixel driving circuit includes a first switch, a capacitor, a second switch and at least one organic light emitting diode. The first switch includes a first end for receiving data voltage, a control end for receiving a first scan signal, and a second end for outputting the data voltage. The capacitor includes a first end coupled to the second end of the first switch, and a second end. The second switch includes a first end coupled to the second end of the first switch, a control end for receiving a second scan signal, and a second end. The at least one organic light emitting diode includes a first end coupled to the second end of the second switch, and a second end coupled to the second end of the capacitor.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: June 28, 2016
    Assignee: AU Optronics Corp.
    Inventors: Ching-Yan Chao, Li-Wei Shih
  • Patent number: 9379353
    Abstract: A display panel has a display region including a first substrate, a second substrate opposite to the first substrate, a frit layer, a first reflective layer, and a second reflective layer. The frit layer surrounding the display region is disposed between the first substrate and the second substrate. The frit layer includes a first edge adjacent to the display region and a second edge adjacent to the peripheral region. The first reflective layer surrounds the first edge, in which an orthogonal projection direction of the first edge of the frit layer partially overlaps with the first reflective layer. The second reflective layer surrounds the second edge, in which an orthogonal projection direction of the second edge of the frit layer partially overlaps with the second reflective layer, and the first reflective layer and the second reflective layer are disposed opposite to each other on the first substrate.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: June 28, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Chih-Hung Hsiao, Shih-Feng Hsu
  • Patent number: 9377647
    Abstract: A stereoscopic touch display device includes a display panel and a stereoscopic touch panel. The stereoscopic touch panel includes a first substrate, a second substrate, a liquid crystal layer, receiver electrodes, transmitter electrodes, common electrodes, a signal driver, and a common potential providing unit. The liquid crystal layer is disposed between the first and second substrates. The receiver electrodes and the common electrodes are disposed on the first substrate. The transmitter electrodes are disposed on the second substrate. The signal driver is electrically connected to the transmitter electrodes and the receiver electrodes. The signal driver is configured for providing transmitting touch signals to the transmitter electrodes and detecting receiving touch signals generated from coupling capacitances between the receiver electrodes and the transmitter electrodes in sequence.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: June 28, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Chi-Ho Chang, Chien-Chieh Yang, Wen-Yuan Li, Shiuan-Iou Lin
  • Patent number: 9377890
    Abstract: When operating a resistive touch panel, a first command is issued by touching the touch panel using a finger. When the finger remains in contact with the touch panel, a second command is issued by touching the touch panel using a stylus. Therefore, a corresponding gesture operation can be executed in multi-touch applications after identifying the first and second commands.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: June 28, 2016
    Assignee: AU Optronics Corp.
    Inventors: Yao-Jen Hsieh, Chih-Wei Chen, Hai-En Tsai, Jia-Lang Hsu
  • Patent number: 9373300
    Abstract: A power management method and a power management device for a display are disclosed, including: comparing contents in an original frame image with contents in a previous image to generate a plurality of successive second periods with first stages and second stages, shortening a plurality of time intervals in the first pulse timing distribution and outputting the first pulse timing distribution for displaying a first sub-frame image on the display during the first stage of one of the plurality of successive second periods, and shortening a plurality of time intervals in the second pulse timing distribution and outputting the second pulse timing distribution for displaying a second sub-frame image on the display during the first stage of the other one of the plurality of successive second periods; and turning off the driving circuit of the display in the second stages.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: June 21, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Chi-Wei Chang, Feng-Ming Hsu, Szu-Che Yeh
  • Patent number: 9360727
    Abstract: A pixel structure of display panel includes a first thin film transistor device, a second thin film transistor device, a first passivation layer, a common electrode, a second passivation layer, a first pixel electrode and a second pixel electrode. The first passivation layer has a first opening partially exposing a first drain electrode of the first thin film transistor device and a second drain electrode of the second thin film transistor device. The common electrode has a second opening partially exposing the first drain electrode and the second drain electrode. The second passivation layer has a third opening partially exposing the first drain electrode and the second drain electrode. The first pixel electrode is electrically connected to the first drain electrode through the third opening, the second opening and the first opening, and the second pixel electrode is electrically connected to the second drain electrode through the third opening, the second opening and the first opening.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: June 7, 2016
    Assignee: AU Optronics Corp.
    Inventors: Chih-Chung Su, Yi-Wei Chen