Patent application number | Description | Published |
20110134055 | TOUCH PANEL AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A touch panel includes a plurality of first sensors disposed on a substrate, the plurality of first sensors including a plurality of first electrodes spaced from one another in a first direction and a first connection pattern to connect two adjacent first electrodes, the plurality of first sensors arranged in a second direction crossing the first direction; a plurality of second sensors disposed on the substrate, the plurality of second sensors including a plurality of second electrodes spaced from one another in the second direction and a second connection pattern composed of a metal to connect two adjacent second electrodes, the plurality of second sensors arranged in the first direction; and at least one metal pattern connected to the first connection pattern, wherein the at least one metal pattern overlaps the first connection pattern. | 06-09-2011 |
20110227858 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - A touch panel includes a plurality of first electrode patterns being serially connected by a plurality of first connection patterns; a plurality of second electode patterns being serially connected by a plurality of second connection patterns; and a plurality of routing lines; wherein at least two of the plurality of first electrode patterns are connected to at least one of the plurality of routing lines. | 09-22-2011 |
20110291963 | LIQUID CRYSTAL DISPLAY PANEL WITH EMBEDDED TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - A touch display device includes a display panel, a conductive layer disposed on the display panel, a touch electrode disposed adjacent to the conductive layer and on the display panel, a routing line coupled to the touch electrode, and a polarizer disposed on the touch electrode and the conductive layer, where the conductive layer and the touch electrode are formed of the same material. | 12-01-2011 |
20120056835 | Display Device Having Touch Sensor and Method of Driving the Same - A display device having touch sensors and a method of driving the same are disclosed. The display device includes a display panel including a pixel array including pixels and a touch sensor array including touch sensors formed in the pixel array, the pixel array being divided into blocks, a gate driver to sequentially drive a plurality of gate lines in the pixel array in a block unit, a data driver to drive a plurality of data lines in the pixel array when the gate lines are driven, a touch controller to sequentially drive the touch sensor arrays in the block unit, and a timing controller to divide one frame into at least one display mode at which the pixel array is driven and at least one touch sensing mode at which the touch sensor array is driven and to control the gate drive, the data driver and the touch controller so that the display mode and the touch sensing mode alternate. | 03-08-2012 |
20130335366 | Display Device with Integrated Touch Screen - A display device with integrated touch screen is provided. The display device may include a panel and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The touch IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes to determine whether there is a touch when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the touch IC may apply a common voltage to the plurality of driving electrodes and sensing electrodes. The touch IC may include a sensing unit sensing whether there is a touch by use of a touch sensing reference voltage applied to the sensing unit and having the same level as a minimum voltage of the driving pulse. | 12-19-2013 |
20140111446 | Display Device and Driving Method Thereof - Disclosed is a display device. The display device includes a panel, a display driver IC, and a touch IC. The panel includes a plurality of driving electrodes and a plurality of sensing electrodes. The display driver IC outputs a common voltage to the driving electrode and the sensing electrode in a display driving interval, outputs a reference voltage to the driving electrode during a touch non-sensing period in a touch driving interval, and outputs a driving pulse to the driving electrode to receive a sensing signal from the sensing electrode during a touch sensing period in the touch driving interval. The touch IC transfers a control signal and a selection signal for selecting the touch sensing period and the touch non-sensing period to the display driver, and senses whether there is a touch with the sensing signal and the reference voltage. | 04-24-2014 |
20140118277 | DISPLAY DEVICE WITH INTEGRATED TOUCH SCREEN - Disclosed is a display device with integrated touch screen. The display device includes a plurality of receiving electrodes formed in a block type and in parallel with a plurality of data lines, a driving electrode group configured to include a plurality of driving electrodes that are respectively disposed between the plurality of receiving electrodes, a plurality of receiving electrode lines respectively connected to the plurality of receiving electrodes, a plurality of driving electrode lines configured to extend from the respective driving electrodes to the first non-display area, a driving IC configured to apply a common voltage or a driving pulse to the plurality of receiving electrode lines and the plurality of driving electrode lines, and a plurality of driving dummy lines formed at a plurality of pixels, covered by a corresponding driving electrode, in a direction parallel to the plurality of driving electrode lines. | 05-01-2014 |
20140210774 | DISPLAY APPARATUS INCLUDING TOUCH ELECTRODE - Disclosed is a display apparatus which facilitates to improve touch sensitivity by decreasing parasitic capacitance between a common electrode and gate/data lines, and decreasing delay on touch sensing and displaying driving, wherein the display apparatus may include a lower panel including a pixel electrode; an upper panel including the common electrode, wherein the common electrode together with the pixel electrode forms an electric field for displaying an image for a displaying driving mode, and the common electrode senses a capacitance change in accordance with a user's touch for a touch sensing mode; and a liquid crystal layer of VA mode formed between the lower and upper panels, and changed in accordance with the electric field between the pixel and common electrodes. | 07-31-2014 |
20140240279 | DISPLAY DEVICE WITH INTEGRATED TOUCH SCREEN - Discussed is a display device with integrated touch screen. The display device includes a panel configured to include a plurality of electrodes and a display driver IC that applies a common voltage to the plurality of electrodes, a touch IC configured to generate a touch scan signal, and apply the touch scan signal to the display driver IC, a plurality of first link lines configured to connect the plurality of electrodes to the display driver IC in a first direction, and a plurality of second link lines respectively connected to the plurality of electrodes to extend in a second direction opposite to the first direction to contact a distal end of the panel. The display driver IC applies the common voltage or the touch scan signal to the plurality of electrodes through the plurality of first link lines according to a driving mode of the panel. | 08-28-2014 |
20150062062 | Touch Integrated Circuit And Display Device Integrated With Touch Screen Using The Same - Disclosed is a display device integrated with a touch screen. The display device includes a panel configured to include a plurality of first electrodes arranged in parallel in a first direction and a plurality of second electrodes arranged in parallel in a second direction, a switching unit configured to apply a common voltage to the plurality of first and second electrodes when the panel operates in a display driving mode, and when the panel operates in a touch driving mode, apply a first touch scan pulse to the plurality of first electrodes during a first period, and apply a second touch scan pulse to the plurality of first and second electrodes during a second period, a first touch sensing unit configured to apply the first touch scan pulse to the switching unit, and a second touch sensing unit configured to apply the second touch scan pulse to the switching unit. | 03-05-2015 |