Abstract: The present invention relates to a tablet capable of sensing a location using electromagnetic induction and electrostatic capacitance.

Abstract: A multi-input pad for simultaneously sensing a capacitive touch and an induced electromagnetic field input includes a plurality of first patterns extending in a first direction in a sensing area, a plurality of second patterns extending in a second direction in the sensing area, a plurality of third patterns extending in the second direction in the sensing area, and a common loop surrounding at least a part of the sensing area and to which the other ends of the third patterns are connected. The multi-input pad operating in a capacitive touch sensing mode and an induced electromagnetic field sensing mode may simultaneously sense a capacitive touch and an induced electromagnetic field input.

Abstract: The present invention relates to a tablet capable of sensing a location using electromagnetic induction and electrostatic capacitance.

Abstract: The present invention relates to a tablet having a flexible and transparent sensing area, comprising: an insulating transparent base material having a first loop antenna and a plurality of comb-shaped first line antennas; and a control substrate having, mounted thereon, a first multiplexer (MUX) for selecting one of the ends of the plurality of first line antennas, an amplifier for outputting a potential difference between an output of the first multiplexer and the first loop antenna, and an MCU (micro controller unit) for generating a first selection signal and, on the basis of the potential difference from the amplifier, sensing the position of an electronic pen from one line antenna. The first loop antenna formed on the transparent base material is combined with a first conductive pattern formed on the control substrate, thereby forming a closed loop.

Abstract: The present invention relates to a tablet having a flexible and transparent sensing area, comprising: an insulating transparent base material having a first loop antenna and a plurality of comb-shaped first line antennas; and a control substrate having, mounted thereon, a first multiplexer (MUX) for selecting one of the ends of the plurality of first line antennas, an amplifier for outputting a potential difference between an output of the first multiplexer and the first loop antenna, and an MCU (micro controller unit) for generating a first selection signal and, on the basis of the potential difference from the amplifier, sensing the position of an electronic pen from one line antenna. The first loop antenna formed on the transparent base material is combined with a first conductive pattern formed on the control substrate, thereby forming a closed loop.

Abstract: The contact imaging system allows the contact area of an object impressed upon the surface of the contact imaging system to emit light in a pattern corresponding to the contact area making it possible to render an image of the contact area. The contact imaging system has a luminescence layer on top of a transparent electrode. When the object to be imaged contacts the luminescence layer and is held at ground potential relative to the transparent electrode, an electric field is created in the luminescence layer in a pattern corresponding to the contact pattern. The electric field causes the luminescence layer to emit a light image of the contact pattern. The luminescence layer and the transparent electrode are adjacent to a light sensing layer. The light sensing layer receives the light generated at the luminescence layer, and converts that light into a corresponding electric signal.

Abstract: A contact light emitting device embodying the invention includes a transparent electrode layer and a luminescence layer. The electrode layer and the luminescence layer are configured such that an electric field can be generated between the electrode layer and an object to be imaged. When the object to be imaged is brought adjacent the luminescence layer, the luminescence layer emits light, which is then converted into an electrical signal.