Patent application number | Description | Published |
20140048854 | In-Cell Touch Panel - An embodiment of the disclosure discloses an in-cell touch panel having advantages such as a simple structure and a low cost. The in-cell touch panel comprises: a first substrate and a second substrate arranged oppositely, wherein a plurality of gate lines arranged horizontally are formed on the first substrate; the in-cell touch panel further comprises: a plurality of touch driving lines arranged horizontally; a plurality of touch sensing lines arranged vertically; and a plurality of touch scanning TFTs, wherein each touch scanning TFT has a gate connected to one gate line, a source connected to a touch driving circuit, and a drain connected to one touch driving line, the one gate line is only connected to the gate of one touch scanning TFT; wherein, the number of the gate lines≧the number of the touch scanning TFTs≧the number of the touch driving lines. | 02-20-2014 |
20140062944 | Capacitive In-Cell Touch Screen Panel And Display Device - A capacitive in-cell touch screen panel and a display apparatus are disclosed in present disclosure. At least one touch control inducting electrode is disposed on the color film substrate and at least one touch control driving electrode is disposed on the TFT array substrate. Each of the touch control driving electrodes overlaps with multiple sets of gate lines in the TFT array substrate, respectively, and each of the touch control driving electrodes comprises touch control driving sub-electrodes disposed along the row direction and a driving control unit is disposed at the connection of each of the touch control driving sub-electrodes and each set of gate lines. Since the driving control unit is able to release the display driving signal delivered by the gate line after it is loaded to the touch control driving sub-electrodes, which is equivalent to the situation where a driving pulse is loaded on the touch control driving sub-electrodes, so that the multiple sets of gate lines overlapping with the touch control driving electrodes input the touch control driving signal sequentially to the touch control driving electrodes through the driving control unit, and thus a plurality of driving pulses can be loaded on the touch control driving sub-electrodes, increasing the frequency of the touch control driving signal loaded on the touch control driving electrodes. | 03-06-2014 |
20140104510 | Capacitive in Cell Touch Panel and Display Device - The present invention discloses a capacitive in cell touch panel and display device, wherein touch sensing electrodes are provided on a color filter substrate, the whole common electrode layer of the TFT array substrate is segmented into a plurality of strip-shaped structures functioning as touch driving electrodes, and the touch driving electrodes are driven in a time-sharing manner to achieve the touch function and the display function in a time-sharing manner. Since in the touch panel according to the present invention, structure of the common electrode layer of the TFT array substrate is altered to form the touch driving electrodes, it is not necessary to add a new film on the existing TFT array substrate and only an additional process needs to be added to segment the whole common electrode layer into a plurality of strip-shaped structures, reducing the production cost and increasing the production efficiency. | 04-17-2014 |
20140111473 | CAPACITIVE IN CELL TOUCH PANEL AND DRIVING METHOD THEREOF, DISPLAY DEVICE - Embodiments of the present invention disclose a capacitive in-cell touch panel, a driving method thereof and a display device. Touch sensing electrodes extended along the row direction of pixel units are arranged on a color filter substrate; a thin-film transistor (TFT) array substrate adopts a dual gate structure, that is, two gate signal lines are disposed between every two adjacent rows of pixel units; every two adjacent columns of pixel units are taken as a group of pixel unit columns and share a data signal line disposed between the two pixel unit columns, so that the positions of a part of data signal lines can be saved; and touch driving electrodes for achieving the touch function are arranged at the saved positions of the data signal lines. | 04-24-2014 |
20140111710 | CAPACITIVE TOUCH SCREENS, METHOD OF DRIVING THE SAME AND DISPLAYS - A capacitive in cell touch panel, its driving method and a display device, in which, on the TFT array substrate, a pixel structure in which two adjacent rows of pixel units form one pixel unit group and two gate signal lines are disposed between the two rows of pixel units of the pixel unit group is adopted. Positions of gate signal lines between adjacent pixel unit groups can be saved by modifying positions of gate signal lines of two adjacent rows of pixel units and TFT switches. As such, touch driving lines with touch function can be set at the saved positions for gate signal lines and touch sensing electrodes can be disposed on the color filter substrate and extend in the column direction of the pixel units to realize touch function while ensuring high aperture ratio. | 04-24-2014 |
20140118279 | TOUCH DISPLAY SCREEN AND TOUCH DISPLAY APPARATUS - A touch display screen and a touch display apparatus are disclosed. The touch display screen comprises: an array substrate and a color film substrate disposed box to box; a group of first electrode lines disposed on the array substrate or the color film substrate; a group of second electrode lines disposed on the array substrate or the color film substrate and arranged as crossing the group of first electrode lines; a conductive shielding layer with high-resistance transparency, disposed on the color film substrate and located above the group of first electrode lines and the group of second electrode lines. Because the resistance value of the conductive shielding layer with high resistance and transparency is high, a projected field signal between the first electrode lines and the second electrode lines may pass through the conductive shielding layer to ensure a realizability of touch operations. | 05-01-2014 |
20140118299 | CAPACATIVE INCELL TOUCH PANEL AND DISPLAY APPARATUS - The present disclosure provides a capacitive in-cell touch panel and a display apparatus, wherein touch sensing electrodes are set on a color filter substrate, a common electrode layer connected as a whole plane on a TFT array substrate is divided into strips to be used as touch driving electrodes, and metal driving electrodes directly electrically connected to the corresponding touch driving electrodes are set on the TFT array substrate so as to reduce resistance of the touch driving electrodes. The embodiments of the disclosure can save the production cost and improve the production efficiency. Moreover, the touch function and the display function are driven in a time division manner, and thus the production cost can be further reduced, and the picture quality and touch accuracy can be enhanced. | 05-01-2014 |
20140132855 | TOUCH PANEL, MANUFACTURING METHOD THEREOF AND TOUCH DISPLAY DEVICE - Embodiments of the present invention provide a touch panel, a manufacturing method thereof and a touch display device, the touch panel is provided with a buffer trench region disposed in a peripheral region of a transparent substrate, the buffer trench region, and comprising: a first laminated structure, disposed on the transparent substrate, comprising: a metallic wire, disposed on the transparent substrate; a first insulating wire, disposed on the metallic wire; a transparent electrode wire, disposed on the first insulating wire; a first passivation wire, disposed on the transparent electrode wire; a second laminated structure, disposed on the same layer as the first laminated structure, comprising: a second insulating wire, disposed on the transparent substrate; and a second passivation wire, disposed on the second insulating wire, wherein the second laminated structure and the first laminated structure are spaced apart from each other to form a trench. | 05-15-2014 |
20140176491 | CAPACITIVE TOUCH DISPLAY PANEL, DISPLAY DEVICE AND CONTROL DEVICE - A capacitive touch display panel comprises an array substrate, a color filter substrate and a liquid crystal layer disposed between the array substrate and the color filter substrate; the array substrate includes a base substrate, a polarizer sheet, black matrixes (BMs) and a thin-film transistor (TFT) functional unit and is disposed on a light emitting side of the display panel; the color filter substrate is disposed on a light incident side of the display panel; the TFT functional unit includes gate lines, data lines, and TFTs; the BMs correspond to the TFTs; and projections of gate electrodes, source electrodes and drain electrodes of the TFTs all fall into the BMs in a direction vertical to the base substrate. | 06-26-2014 |
20140267956 | CAPACITIVE TOUCH PANEL AND TOUCH DISPLAY APPARATUS - Embodiments of the present invention disclose a capacitive touch panel and a touch display apparatus, which includes a substrate and at least a transparent electrically conductive layer; the transparent electrically conductive layer includes a plurality of electrode groups, each of electrode groups includes a plurality of electrodes in series, each of electrode groups connects to a sensing lead at one side, at lease one of the electrode groups is arranged along a direction away from the sensing lead, and capacitances formed between the electrodes of the at least one of the electrode groups and common electrodes are reduced gradually along the direction. The capacitive touch panel and touch display apparatus according to embodiments of the present invention are configured such that the farther away from the sending lead the electrode is, the smaller the capacitance of the electrode is, thus the signal delay of the electrode far away from the sending lead is improved and the touch sensitivity is improved. | 09-18-2014 |
20140306916 | IN-CELL TOUCH PANEL AND DISPLAY DEVICE - Embodiments of the present invention provide an in-cell touch panel and a display device to decrease the influence of the touch driving electrode in the in-cell touch panel on image display. The in-cell touch panel includes an upper substrate and a lower substrate opposite to each other, and includes a plurality of touch sensing electrodes provided on the upper substrate and a plurality of touch driving electrodes provided on the lower substrate, wherein the touch sensing electrodes are laterally distributed, and the touch driving electrodes are longitudinally distributed; wherein the touch sensing electrodes include one or a plurality of touch sensing sub-electrodes which are parallel to each other and distributed laterally, and the plurality of touch sensing sub-electrodes are in parallel connection therebetween. | 10-16-2014 |
20150029148 | CAPACITIVE IN-CELL TOUCH SCREEN PANEL AND DISPLAY DEVICE - The present disclosure relates to a capacitive in-cell touch screen panel and a display device in which first touch detecting electrodes and second touch detecting electrodes insulated with each other are provided on a substrate; the first touch detecting electrodes are located between the substrate and the black matrix, the second touch detecting electrodes are located on a side of the black matrix away from the substrate. Because the first touch detecting electrodes and the second touch detecting electrodes are provided on the substrate away from the TFT array substrate, it is possible to avoid mutual interference between touch signals and display signals in the TFT array substrate, thereby not only ensuring the quality of pictures on a liquid crystal display but also enhancing reliability of touch operations. | 01-29-2015 |
20150060252 | TOUCH SCREEN AND DISPLAY DEVICE - The present invention provides a touch screen and a display device with better touch effect. The touch screen includes: a first substrate, a plurality of first touch electrodes distributed along a first direction on the first substrate, and a first insulating layer between the first substrate and the first touch electrodes; and a plurality of second touch electrodes distributed along a second direction intersecting the first direction, wherein uneven areas are provided on one side of the first insulating layer facing the first touch electrodes at regions corresponding to each of the first touch electrodes, and the first touch electrodes are disposed on the first insulating layer according to its shape, forming corresponding uneven areas. | 03-05-2015 |