Patent application number | Description | Published |
20100050784 | TACTILE SENSOR - A tactile sensor includes: a circuit board; a plurality of unit electrode pads; and a pressure sensing film, in which the circuit board can include: a first circuit pattern, implemented by electrically connecting unit electrode pads disposed in a same column among the plurality of unit electrode pads arranged in a 2-dimensional configuration; a second circuit pattern, implemented by electrically connecting unit electrode pads disposed in a same row among the plurality of unit electrode pads arranged in a 2-dimensional configuration; a third circuit pattern, implemented by electrically connecting unit electrode pads disposed in a same section among the plurality of unit electrode pads arranged in a 2-dimensional configuration, if assuming that the entire area in which the plurality of unit electrode pads are arranged is divided by sections. | 03-04-2010 |
20100079391 | TOUCH PANEL APPARATUS USING TACTILE SENSOR - In accordance with an embodiment of the present invention, the touch panel apparatus can include a panel; a plurality of tactile sensors, disposed at each corner of a lower surface of the panel; and a position calculator, configured to calculate a two-dimensional coordinate corresponding to a contact position on the basis of a ratio of sensed values of a contact, outputted from the tactile sensors, if the contact is made on a surface of the panel. | 04-01-2010 |
20100123685 | TACTILE PRESENTATION TOUCH SCREEN AND DISPLAY DEVICE HAVING THE SAME - A tactile presentation touch screen and a display device having the same is disclosed. The tactile presentation touch screen in accordance with an embodiment of the present invention includes a transparent piezoelectric body, a plurality of transparent electrodes, which are coupled to the transparent piezoelectric body such that the transparent piezoelectric body is divided into grids, and a touch screen unit, which is coupled to one surface of the transparent piezoelectric body. Thus, the tactility of the touch screen can be improved by deforming the transparent piezoelectric body corresponding to an area pressed by the user. | 05-20-2010 |
20100140646 | SEMICONDUCTOR LIGHT EMITTING DIODE - A semiconductor LED is disclosed. The semiconductor LED can include a light emitting structure, which can be composed of an N-type semiconductor layer, an active layer, and a P-type semiconductor layer stacked in said order; a transparent electrode, formed on an upper surface of the light emitting structure; and a P-type electrode, formed on an upper surface of the transparent electrode. An insulator for blocking electric currents can be formed within the light emitting structure, at a position corresponding with the position of the P-type electrode. Certain embodiments of the invention can be used to prevent the occurrences of light reflecting off the lower surface of the P-type electrode, and thereby improve light-emitting efficiency. | 06-10-2010 |
20100140647 | SEMICONDUCTOR LIGHT EMITTING DIODE - A semiconductor LED and a method manufacturing the semiconductor LED are disclosed. The method can include: forming a light emitting structure, which includes an N-type semiconductor layer, an active layer, and a P-type semiconductor layer stacked together, on a substrate; processing a division groove in the shape of a dotted line from the direction of the substrate or from the direction of the light emitting structure; and dividing the substrate and the light emitting structure along the division groove by applying pressure to at least one of the substrate and the light emitting structure. Embodiments of the invention can prevent total reflection for light emitted through the sides, and as a result, the light emitting efficiency can be improved. | 06-10-2010 |
20100156822 | TOUCH-SENSITIVE INTERFACE DEVICE - A touch-sensitive interface device is disclosed. The touch-sensitive interface device according to an embodiment of the invention can include a touchscreen, an image display panel coupled to one face of the touchscreen, a driving unit that vibrates the touchscreen in a direction parallel to the face of the touchscreen such that the tactile feel at the surface of the touchscreen is changed, and a control unit that controls the operating frequency of the driving unit. The touch-sensitive interface device can vibrate the touchscreen in a direction parallel to a face of the touchscreen, providing the user with a sensation that the tactile feel changes at the portion that the user touches. | 06-24-2010 |
20100207895 | TACTILE INTERFACE DEVICE AND METHOD FOR CONTROLLING THE SAME - A tactile interface device and a method of controlling the same are disclosed. The tactile interface device can include a touchscreen, which has a slope formed in one surface, a driver, which vibrates the touchscreen in a horizontal direction such that the tactile feel at the surface of the touchscreen is changed, and a controller, which controls the operating frequency of the driver. The tactile interface device in accordance with an embodiment of the present invention can vibrate the touchscreen in a direction parallel to a surface of the touchscreen, providing the user with a sensation that the tactile feel changes at the portion that the user touches. | 08-19-2010 |
20100214221 | MOUSE - A mouse is disclosed. In accordance with an embodiment of the present invention, the mouse for inputting information to a computer including a monitor can include a touch detector coupled to one surface of a case, a driver, which vibrates the touch detector in a direction parallel to one surface of the touch detector such that a tactile feel of a surface of the touch detector is changed, and a controller, which controls an operating frequency of the driver. Thus, the mouse can provide the user with a better sensation that the tactile feel changes at the portion that the user touches. | 08-26-2010 |