Patent application number | Description | Published |
20100097391 | TOUCH SCREEN DISPLAY APPARATUS FOR PERFORMING FLASH MODE AND METHOD OF OPERATING THE APPARATUS - A touch screen display apparatus includes a panel including a light emitting device for displaying a display image and an optical sensor for generating a touch image object; a touch sensing unit on the panel for sensing a touch of a touch object; and a light emission controller for controlling the light emitting device to emit light when a touch of the touch object is sensed by the touch sensing unit. | 04-22-2010 |
20100110041 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device capable of having an electrostatic capacitive type touch panel function without substantially increasing the thickness of the display device and/or including a touch panel with an improved interface between a touch panel module of the touch panel and a touch panel drive integrated circuit (IC) of the touch panel. | 05-06-2010 |
20110050600 | Light sensor circuit and driving method thereof and touch screen panel having the same - A light sensor circuit, includes a light receiving element coupled to a first power supply, a capacitor coupled between the light receiving element and a second power supply, a first transistor including a gate electrode coupled to a first electrode of the capacitor, and a second transistor including a gate electrode coupled to a selection signal line, wherein the first transistor is coupled between the selection signal line and a first electrode of the second transistor, and the second transistor is coupled between a second electrode of the first transistor and an output signal line. | 03-03-2011 |
20110050625 | TOUCH SCREEN PANEL AND FABRICATION METHOD THEREOF - A touch screen panel includes first and second sense cells on a same layer and coupling patterns that couple adjacent ones of the first sense cells and adjacent ones of the second sense cells to each other, respectively. The coupling patterns do not cross with each other, thereby improving the ability of the coupling patterns to withstand static electricity. A dummy line formed of a same material as the sense cells may be formed between the first and second sense cells, and the dummy line is electrically coupled to a guard ring located in an area outside of a display area of the touch screen panel, making it possible to overcome the effects of static electricity applied to the front surface of the touch screen panel as well as the side surface thereof. | 03-03-2011 |
20110057893 | Touch screen panel - A touch screen panel comprises a glass substrate having a display area and a non-display area, a plurality of sense patterns on the display area, a plurality of metal pads on a periphery of the display area and on the non-display area, a plurality of sense lines on the non-display area, and dummy patterns on an area between the plurality of sense lines on the non-display area. The non-display area is outside a periphery of the display area. Each of the plurality of the sense lines is coupled to one of the plurality of metal pads. The display area and non-display area of the glass substrate respectively correspond to a display area and non-display area of an image display device to which the touch screen panel is provided. | 03-10-2011 |
20110084958 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display is capable of reducing power consumption. The organic light emitting display includes a scan driver for sequentially supplying scan signals to scan lines, a data driver for supplying data signals to data lines in synchronization with the scan signals, pixels located at crossing regions of the scan lines and the data lines, a timing controller for determining a normal driving mode for displaying a normal image and a standby driving mode displaying less information than the normal image, and a power source for supplying a first power and a second power to the pixels, wherein a voltage difference between the first power and the second power in the normal driving mode is a first voltage, and a voltage difference between the first power and the second power is a second voltage different from the first voltage. | 04-14-2011 |
20110122087 | TOUCH SCREEN SYSTEM AND METHOD OF DRIVING THE SAME - A touch screen system includes a touch screen panel which includes driving lines, sensing lines crossing the driving lines, and sensing cells formed at crossing regions of the driving lines and the sensing lines; a driving circuit for sequentially applying driving signals to the driving lines; a sensing circuit for detecting first sensing signals in accordance with changes in mutual capacitances of the sensing cells to generate second sensing signals corresponding to the changes; a processor for determining a touch position based on the second sensing signals from the sensing circuit; and an active stylus separated from the touch screen panel and configured to output an active stylus electric field in synchronization with a driving signal of the driving signals applied to a driving line coupled to a sensing cell of the sensing cells adjacent to the active stylus when the active stylus approaches or contacts the touch screen panel. | 05-26-2011 |
20110134056 | Flat panel display integrated with touch screen panel - A FPD integrated with a touch screen panel includes an upper substrate and a lower substrate facing each other, the upper substrate including a display region and first and second non-display regions surrounding the display region, a plurality of sensing patterns on the display region of the upper substrate, a plurality of sensing lines on the first non-display region of the upper substrate, a sealing material on the second non-display region of the upper substrate, the sealing material connecting the upper and lower substrates, and a flexible printed circuit (FPC) bonding pad unit on the second non-display region of the upper substrate, the FPC bonding pad unit including a plurality of bonding pads coupled to the plurality of sensing lines, the bonding pads including a transparent conductive material in regions overlapping the sealing material. | 06-09-2011 |
20110221698 | Touch screen panel - A capacitive touch screen panel including a plurality of first sensing patterns connected along a long-side direction of a screen; and a plurality of second sensing patterns connected along a short-side direction of the screen, wherein an area of each of the first sensing patterns is smaller than an area of each of the second sensing patterns. | 09-15-2011 |
20110233387 | Light sensor circuit and driving method thereof - Embodiments provide a light sensor circuit for a flat panel display which improves resolution at low luminance and increases the range of sensible ambient light by divisionally driving a frame period, in which light is sensed, into a plurality of sub-frames, and a method of driving the light sensor circuit. | 09-29-2011 |
20110234512 | TOUCH SCREEN PANEL - A touch screen panel includes: a flat panel display including an upper substrate, a lower substrate, and pixels arranged on a display region of the lower substrate in a stripe arrangement; first sensing cells arranged in a first direction on the upper substrate and second sensing cells arranged in a second direction on the upper substrate; first connection patterns electrically connecting adjacent ones of the first sensing cells to each other in the first direction, and second connection patterns electrically connecting adjacent ones of the second sensing cells to each other in the second direction, wherein at least one of the first connection patterns and the second connection patterns is inclined so that it partially overlaps with the pixels. | 09-29-2011 |
20120062521 | ACTIVE STYLUS - An active stylus used in a mutual capacitive touch screen system is described. In one aspect, the active stylus includes a shielding unit formed to shield an electric field that forms a closed loop between input and output units of the active stylus, thereby overcoming of oscillation or a decrease in amplitude. | 03-15-2012 |
20120075207 | TOUCH SCREEN PANEL AND FABRICATING METHOD THEREOF - A touch screen panel and a fabricating method thereof are disclosed. A thin film is formed on a substrate, sensing patterns are formed as touch sensors on the thin film. The substrate is separated from the thin film, thereby implementing an ultra thin film touch screen panel. | 03-29-2012 |
20120229416 | ELECTROSTATIC CAPACITY TYPE TOUCH SCREEN - An electrostatic capacity type touch screen included in an image display apparatus is provided. The electrostatic capacity type touch screen includes an active touch region on a screen divided into a plurality of regions and a plurality of conductive sensing patterns formed in the divided regions to detect capacitance. Coupling of the conductive sensing patterns among the divided regions is broken. | 09-13-2012 |