Patent application number | Description | Published |
20140111476 | IN-CELL CAPACITIVE TOUCH PANEL LCD MODULE AND METHOD FOR DRIVING THE SAME - An in-cell touch panel LCD module ( | 04-24-2014 |
20140118642 | TOUCH LIQUID CRYSTAL DISPLAY DEVICE - A touch liquid crystal display device includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer disposed between the first and second substrates. The first substrate includes a touch layer disposed on a surface of the first substrate facing the liquid crystal layer, an insulating layer disposed on a surface of the touch layer and covering the touch layer, and a pixel array structure disposed on a surface of the insulating layer facing away from the touch layer. The touch layer is disposed between the pixel array structure and the first substrate. Only a filming process and a photoetching process of the touch layer and a deposition process of the insulating layer are additionally required to transform a non-touch liquid crystal display device to a touch liquid crystal display device. | 05-01-2014 |
20140168540 | TOUCH CONTROL LIQUID CRYSTAL DISPLAY DEVICE - One inventive aspect is a touch control liquid crystal display device. The device includes a color film substrate, a thin film transistor array substrate, and a liquid crystal layer between the color film substrate and the thin film transistor array substrate. The color film substrate includes a grid-shaped black matrix layer, a touch control layer, and a color film layer. The touch control layer includes metal grid electrodes in a rectangle, where the metal grid electrodes include metal lines intersecting transversely and vertically. In addition, the metal grid electrodes include drive electrodes and sense electrodes. The drive electrodes are connected together through first metal connection lines in a first direction, and the sense electrodes are connected together through second metal connection lines in a second direction. In addition, the projection of the metal grid electrodes falls into the projection of the black matrix layer in the light transmission direction. | 06-19-2014 |
20140203816 | ELECTRONIC TESTING METHOD OF IN-CELL TOUCH SCREEN - A method of electrically testing an in-cell touch screen is disclosed. The in-cell touch screen includes a display electrode, a driving line, and a detecting line. The detecting line intersects the driving line. The method includes floating the display electrode and performing at least one of: A) applying a first predetermined voltage to one column of adjacent columns of the driving line or one row of adjacent rows of the driving line, and grounding the other column of the adjacent columns or the other row of the adjacent rows, and B) applying a second predetermined voltage to one column of adjacent columns of the detecting line or one row of adjacent rows of the detecting line, and grounding the other column of the adjacent columns or the other row of the adjacent rows. The method also includes determining whether the driving line or the detecting line is shorted or opened. | 07-24-2014 |
20140361786 | IN-CELL TOUCH PANEL AND VOLTAGE TESTING METHOD THEREOF - An in-cell touch panel is disclosed. The in-cell touch panel includes an array substrate, and a plurality of signal lines arranged at one side of the array substrate. Each signal line includes a transient lead and includes one of a display pin and a touch pin connected to the transient lead. The in-cell touch panel also includes an insulating layer covering the transient lead, and a first wire formed on the insulating layer of at least one transient lead, where the first wire is electrically connected with the transient lead via a first through-hole in the insulating layer. | 12-11-2014 |
20150185905 | TOUCH PANEL, LIQUID CRYSTAL DISPLAY DEVICE AND SCANNING METHOD THEREOF - The present invention discloses a touch panel, a liquid crystal display device and a scanning method thereof. The touch panel includes an array substrate including a common electrode layer, wherein the common electrode layer includes an electromagnetic-capacitive composite structure configured to identify touch signals; wherein, the electromagnetic-capacitive composite structure includes a capacitive touch structure and an electromagnetic touch structure. The electromagnetic touch structure and the capacitive touch structure are integrated on the array substrate, so that the thickness and the cost and complexity of the manufacturing of the touch panel and the liquid crystal display device are effectively reduced. | 07-02-2015 |
20150185943 | TOUCH CONTROL DISPLAY PANEL AND CONTROL CIRCUIT THEREOF - A control circuit of a touch display panel is disclosed. The control circuit includes a data signal source, a plurality of data signal lines, and a first control circuit. A scan period of the touch display panel includes a display period and a touch scan period. The first control circuit is configured to connect the data signal lines with the data signal source during the display period, and the first control circuit is configured to disconnect the data signal lines from the data signal source during the touch scan period. | 07-02-2015 |