Abstract: Provided are a multi-touch system and a driving method thereof. The method includes, extracting using a digital processor a touch frequency and at least one angle associated with at least one touch from image information captured by each of at least two cameras, selecting a touch mode on the basis of sum value of the touch frequencies extracted from the image information captured by the cameras, and performing a touch function corresponding to the selected touch mode using a user interface.

Abstract: A touch-sensing display screen includes an upper transparent substrate, a lower substrate opposite the upper substrate, and a backlight unit having an infrared light source configured to radiate infrared light through the upper substrate in a first direction. A transparent window is disposed in alignment with the infrared light source and between the upper and lower transparent substrates. A portion of the infrared light radiated in the first direction is reflected back through the upper substrate and through the transparent window in a second direction by an object touching a surface of the upper transparent substrate. A pixel thin-film transistor on the lower substrate is configured to activate a pixel electrode, and an infrared light-sensing thin-film transistor is configured to sense the infrared light received through the upper substrate in the second direction, and output an infrared light-sense signal in response thereto.

Abstract: A display device capable of simplifying the structure and improving the reliability is disclosed. The display device includes an LCD module having a top case formed of metal, a glass substrate arranged on the LCD module, an infrared ray emitting module arranged to face three side surfaces of the LCD module and having a first magnet for first fixing to the top case, and a pair of infrared ray detection units arranged at corner ends of a side surface of the LCD module where the infrared ray emitting module is not arranged and having a second magnet for the first fixing to the top case.

Abstract: A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; a look-up-table of a plurality of compensation angles in an range of about 0 to about 90 degrees corresponding to each of the plurality of cameras; and processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively, and compensates the detected touch area with one of the plurality of compensation angles.

Abstract: A touch-sensing display screen includes an upper transparent substrate, a lower substrate opposite the upper substrate and an infrared light source configured to illuminate a portion of the upper transparent substrate. A light converting layer is disposed between the upper and lower substrate and is configured to convert the infrared light received by the upper transparent substrate to visible light. A pixel thin-film transistor on the lower substrate is configured to activate a pixel electrode, and a light-sensing thin-film transistor is configured to sense the visible light provided by the light converting layer. A light-sense signal is output in response to activation of the light-sensing thin-film transistor.

Abstract: A touch type display device includes: a flat panel display module; a plurality of infrared light emitting units disposed on a portion or on the entirety of the edge of the flat panel display module; an infrared camera disposed on at least two corners of the flat panel display module; and a band pass filter allowing light of a certain wavelength band in light emitted from the infrared light emitting units to pass therethrough so as to be supplied to the infrared camera.

Abstract: A display device capable of simplifying the structure and improving the reliability is disclosed. The display device includes an LCD module having a top case formed of metal, a glass substrate arranged on the LCD module, an infrared ray emitting module arranged to face three side surfaces of the LCD module and having a first magnet for first fixing to the top case, and a pair of infrared ray detection units arranged at corner ends of a side surface of the LCD module where the infrared ray emitting module is not arranged and having a second magnet for the first fixing to the top case.

Abstract: Provided are a multi-touch system and a driving method thereof. The method includes, extracting using a digital processor a touch frequency and at least one angle associated with at least one touch from image information captured by each of at least two cameras, selecting a touch mode on the basis of sum value of the touch frequencies extracted from the image information captured by the cameras, and performing a touch function corresponding to the selected touch mode using a user interface.

Abstract: There are provided a liquid crystal display (LCD) to which infrared rays (IR) light sources are applied and a multi-touch system using the same. The LCD to which IR light sources are applied includes a back light in which a plurality of lamp light sources and a plurality of IR light sources are repeatedly arranged in column and row directions, a diffusion plate and a plurality of optical sheets arranged on the back light, and an LCD panel provided on the back light to display an image using light incident from the back light.

Abstract: A touch panel display device includes a liquid crystal panel to display an image by regulating transmittance of light supplied from a back light unit, and a touch sensing part provided on upper edges of the liquid crystal panel in order to detect a position touched by a user or an object. The touch sensing part includes infrared lamps to generate and emit infrared light, infrared light reflecting tubes mounted with the infrared lamps, and image sensors to sense the infrared light output from the light output regions of the infrared light reflecting tubes. Each of the infrared light reflecting tubes has light output regions and non-output regions evenly formed at a surface facing an upper surface of the liquid crystal panel so that the infrared light emitted from the infrared lamps is evenly irradiated on the upper surface of the liquid crystal panel.

Abstract: A display module including a touch panel configured to be touched so as to input information, a liquid crystal display panel disposed below the touch panel and configured to display the information to be touched on the touch panel, a plurality of emitting light units configured to emit infrared light formed in at least two sides of the touch panel, a plurality of image sensors disposed below the liquid crystal panel and configured to detect infrared rays redirected through the liquid crystal panel towards the image sensors based on a touching of the touch panel, and a controller configured to determine a portion of the touch panel that is touched based on signals received from the plurality of image sensors.

Abstract: A touch-sensing display screen includes an upper transparent substrate, a lower substrate opposite the upper substrate and an infrared light source configured to illuminate a portion of the upper transparent substrate. A light converting layer is disposed between the upper and lower substrate and is configured to convert the infrared light received by the upper transparent substrate to visible light. A pixel thin-film transistor on the lower substrate is configured to activate a pixel electrode, and a light-sensing thin-film transistor is configured to sense the visible light provided by the light converting layer. A light-sense signal is output in response to activation of the light-sensing thin-film transistor.

Abstract: A display device includes a waveguide with a light propagating therein, and a panel including a first organic light-emitting device in a sub-pixel region and a second organic light-emitting device in a sensing region adjacent to the sub-pixel region, the first organic light-emitting device for displaying a data on the panel, and the second light-emitting device responsive to a scattering of the light from the waveguide for outputting a signal indicative of a contact on the waveguide.

Abstract: A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; and a processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively.

Abstract: A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; a look-up-table of a plurality of compensation angles in an range of about 0 to about 90 degrees corresponding to each of the plurality of cameras; and processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively, and compensates the detected touch area with one of the plurality of compensation angles.

Abstract: A touch-sensing display screen includes an upper transparent substrate, a lower substrate opposite the upper substrate, and a backlight unit having an infrared light source configured to radiate infrared light through the upper substrate in a first direction. A transparent window is disposed in alignment with the infrared light source and between the upper and lower transparent substrates. A portion of the infrared light radiated in the first direction is reflected back through the upper substrate and through the transparent window in a second direction by an object touching a surface of the upper transparent substrate. A pixel thin-film transistor on the lower substrate is configured to activate a pixel electrode, and an infrared light-sensing thin-film transistor is configured to sense the infrared light received through the upper substrate in the second direction, and output an infrared light-sense signal in response thereto.