Patent application number | Description | Published |
20090122021 | Touch screen display with electric field shielding layer - Disclosed is a touch screen display with an electric field shielding layer arranged between a liquid crystal layer of an LCD device and a glass substrate, having a touch sensing layer arranged on a top surface thereof, so that the electric field shielding layer isolates signal interference between the touch sensing layer and the liquid crystal layer. | 05-14-2009 |
20090127086 | Touch control device and method thereof - A touch control device and a method thereof are disclosed. A driving voltage is applied to a first conductive layer of the touch control device. A second conductive layer is connected via scanning lines to a scan sensing circuit. To detect the location where a touch or depression occurs, the scan sensing circuit repeatedly and sequentially scans first ends of multiple elongate conductive strips that constitute the second conductive layer. The coordinates of the location of the depression is determined on the basis of the scanning result that the scan sensing circuit performs over the elongate conductive strips of the second conductive layer and the voltage that the first conductive layer applies to one or more of the elongate conductive strips of the second conductive layer that correspond to the location of the depression. The second ends of the elongate conductive strips of the second conductive layer can also be connected to the scan sensing circuit via scanning lines to allow the scan sensing circuit to perform scanning operation over the first and second ends of the elongate conductive strips of the second conductive layer in a sequential and repeated manner. | 05-21-2009 |
20090146966 | Device for scanning and detecting touch point of touch control panel and method thereof - A device for scanning and detecting a touch point of a touch control panel is disclosed, wherein a driving/scanning circuit carries out one-end-sequential-driving or both-end-sequential-driving for driving each elongate conductive strip of a first conductive layer of the touch control panel, and a scan sensing circuit carries out one-end-sequential-scanning, both-end-sequential-scanning or sequential both-end-simultaneous-scanning operation over each elongate conductive strips of a second conductive layer of the touch control panel. Based on the result of the scanning operation that the scan sensing circuit performs over the elongate conductive strips of the second conductive layer, at least one touch location can be detected on each elongate conductive strip of the second conductive layer with respect to each elongate conductive strip of the first conductive layer. | 06-11-2009 |
20090277695 | Method of Forming Touch Sensing Circuit Pattern - A method of forming a touch sensing circuit pattern includes steps of: forming a first axial conductive line on a transparent substrate; forming an insulation barrier on the first axial conductive line; forming two separated first axial electrodes, two separated second axial electrodees and the second axial conductive line on the transparent substrate. The first axial electrodes are arranged on two sides of the insulation barrier along a first direction. The second axial electrodes are arranged on two opposite sides of the axial conductive line along a second direction. The second axial conductive line is across on the insulation barrier and connects to the second axial electrodes. The method of the invention can simplify the manufacturing process. | 11-12-2009 |
20090283340 | Capacitive touch control device and method thereof - Disclosed are a capacitive touch control device and a method thereof. A top face of a substrate is provided with first and second electrode groups, which each include a plurality of strip-like electrodes spaced from each other by a preset distance. The electrodes of the first and second electrode groups are respectively connected by first and second group scanning lines to a scanning circuit. When the first group scanning lines drive the electrodes of the first electrode group, the second group scanning lines carry out scanning operation on the electrodes of the second electrode group, and when the second group scanning lines drive the electrodes of the second electrode group, the first group scanning lines carry out scanning operation on the electrodes of the first electrode group. And, a touch location can thus be determined by using a microprocessor. | 11-19-2009 |
20090295752 | Touch Screen - A touch screen includes a liquid crystal layer, an upper transparent conductive layer, a lower transparent conductive layer, an upper transparent plate, a lower transparent plate, an upper polarizing plate, a lower polarizing plate and a circuit unit. The upper transparent conductive layer, the upper transparent plate, the circuit unit and the upper polarizing plate are disposed on the liquid crystal layer in the above-mentioned order from one side of the liquid crystal layer. The lower transparent conductive layer, the lower transparent plate and the lower polarizing plate are disposed under the liquid crystal layer in the above-mentioned order from another side of the liquid crystal layer. | 12-03-2009 |
20090303202 | Capacitive Touch Screen - A capacitive touch screen includes a liquid crystal layer, an upper transparent conductive layer, a lower transparent conductive layer, an upper transparent plate, a lower transparent plate, an upper polarizing plate, a lower polarizing plate, a touch control circuit unit and a first dielectric layer. The upper transparent conductive layer, the first dielectric layer, the touch control circuit unit, the upper transparent plate and the upper polarizing plate are disposed on the liquid crystal layer in the above-mentioned order from one side of the liquid crystal layer. The lower transparent conductive layer, the lower transparent plate and the lower polarizing plate are disposed under the liquid crystal layer in the above-mentioned order from another side of the liquid crystal layer. | 12-10-2009 |
20100073307 | Method for detecting touch points of touch control device - A method for detecting touch points of touch control device is disclosed. The touch control device comprises a first substrate having a first conductive layer and a second substrate having a second conductive layer. The first and second conductive layers are respectively connected to a control circuit which is coupled to a microcontroller. The control circuit performs driving on the first conductive layer to generate a gradient potential, and performs scanning on the second conductive layer to determine a first-axis coordinates. Then the control circuit drives the second conductive layer to generate a gradient potential, and performs scanning on the first conductive layer to determine the second-axis coordinates. | 03-25-2010 |
20100079389 | Touch position detection method for touch control device - Disclosed is a touch position detection method for a touch control device, which employs a preset scan detection mode to carry out driving and scan detection on first and second conductive layers through a control circuit. When touch on a touch panel is detected, the type of the touch is determined, which may include a single-point touch, a continuous trace, and a multiple-point touch, and first and second operation modes are selectively used to perform driving and scan detection on the first and second conductive layers of the touch panel to thereby detect coordinates of the touch points or the continuous trace. | 04-01-2010 |
20120319964 | TOUCH SENSING LAYER AND MANUFACTURING METHOD THEREOF - The present invention relates to a touch sensing layer which comprises at least one first-axis sensing electrode, second-axis sensing electrode, insulating element and conductive bridge. Each first-axis sensing electrode comprises a plurality of first electrode patterns with discontinuity-in-series, and each second-axis sensing electrode is configured to interlace with each first-axis sensing electrode and comprises a plurality of second electrode patterns with continuity-in-series. Each insulating element is continuously formed on the corresponding second-axis sensing electrode, and each conductive bridge is also continuously formed above the corresponding first-axis sensing electrode and crosses the insulating element to connect those first electrode patterns with discontinuity-in-series. | 12-20-2012 |
20130026501 | TOUCH DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - The present invention discloses a touch display device and a manufacturing method thereof, the display device comprising: an OLED display layer disposed on a lower substrate; an upper substrate; an air layer formed between the upper substrate and the lower substrate; and a touch module, disposed above the OLED display layer, wherein the touch module comprises: a first sensing circuit layer and a second sensing circuit layer, further wherein the first sensing circuit layer and the second sensing circuit layer are spaced and the distance between them is more than 2 um. The display device can reduce interference in detection circuit caused by coupling capacitance formed between the sensing circuit layers thereby improving accuracy of touch detection. | 01-31-2013 |
20130027325 | TOUCH SENSITIVE DISPLAY - A touch sensitive display includes: an upper substrate, a lower substrate, an organic light-emitting component, and a touch sensing component. The lower substrate is disposed below the upper substrate and the organic light-emitting component is disposed above the lower substrate. The touch sensing component designed by a single layer structure is disposed under or above the upper substrate. Therefore, the present invention can achieve the purpose of lightening the touch sensitive display and simplifying manufacturing process of the touch sensitive display. | 01-31-2013 |
20130257778 | TOUCH SENSITIVE IPS LIQUID CRYSTAL DISPLAY - A touch sensitive in-plane switching (IPS) liquid crystal display (LCD) includes a liquid crystal layer, an active-matrix transistor layer with an electrode pair, a color filter substrate, and a sensing electrode layer. The sensing electrode layer may be disposed above or below the color filter substrate, and the sensing electrode layer may include two parts that are disposed above and below the color filter layer respectively. | 10-03-2013 |
20130257805 | TOUCH SENSITIVE IPS LIQUID CRYSTAL DISPLAY - A touch sensitive in-plane switching (IPS) liquid crystal display (LCD) includes a liquid crystal layer, an active-matrix transistor layer with an electrode pair, a color filter substrate, and a sensing electrode layer. The sensing electrode layer may be disposed above or below the color filter substrate, and the sensing electrode layer may include two parts that are disposed above and below the color filter layer respectively. | 10-03-2013 |