Abstract: A touch display apparatus according to an embodiment of the present invention includes a display part, a common voltage generating part, a plurality of driving parts and a plurality of charge sensing parts. Thea display part includes a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer disposed between the first and second substrates, a common electrode formed between the first and second substrates, and a plurality of pixel electrodes formed respectively in pixels between the first and second substrates. The common voltage generating part is electrically connected to the common electrode to provide the common electrode with a common voltage. The plurality of driving parts is electrically connected to the pixel electrodes, respectively to provide the pixel electrode with a pixel voltage. The plurality of charge sensing parts is electrically connected to the pixel electrodes to sense electric charge of the pixel electrodes.

Abstract: There is provided a reflective liquid crystal display device including a first liquid crystal panel containing a first liquid crystal material that reflects light of a first color, a second liquid crystal panel containing a second liquid crystal material that reflects light of a second color and a third liquid crystal material that reflects light of a third color, the second and third liquid crystal materials positioned to be distinct from each other, and a light absorption layer that is bonded to a lower surface of the second liquid crystal panel, wherein the second liquid crystal panel is bonded to a lower surface of the first liquid crystal panel, and the first to third liquid crystal materials reflect light in a planar state and transmit light in a focal conic state.

Abstract: There is provided a cholesteric liquid crystal display device including a first liquid crystal panel containing a first cholesteric liquid crystal substancecrystal material for reflecting a light of a first color, a second liquid crystal panel containing a second cholesteric liquid crystal substancecrystal material for reflecting a light of a second color, a third liquid crystal panel containing a third cholesteric liquid crystal substancecrystal material for reflecting a light of a third color, a light absorption layer combined to a lower portion of the third liquid crystal panel, a first double-sided adhesive buffer layer configured to combine the second liquid crystal panel to a lower portion of the first liquid crystal panel and a second double-sided adhesive buffer layer configured to combine the third liquid crystal panel to a lower portion of the second liquid crystal panel.

Abstract: There is provided a data writing apparatus for e-paper including a base unit on which the e-paper is provided and which applies a driving voltage corresponding to input data to the e-paper through an electrode array, and a first roller that is rotated around a central axis in a predetermined direction on the base unit and presses a part of the e-paper to be in contact with the base unit, wherein when the e-paper is pressed to be in contact with the base unit by the first roller, the base unit applies the driving voltage to the e-paper and data are written in the e-paper.

Abstract: There is provided a cholesteric liquid crystal display device including a first liquid crystal panel containing a first cholesteric liquid crystal substancecrystal material for reflecting a light of a first color, a second liquid crystal panel containing a second cholesteric liquid crystal substancecrystal material for reflecting a light of a second color, a third liquid crystal panel containing a third cholesteric liquid crystal substancecrystal material for reflecting a light of a third color, a light absorption layer combined to a lower portion of the third liquid crystal panel, a first double-sided adhesive buffer layer configured to combine the second liquid crystal panel to a lower portion of the first liquid crystal panel and a second double-sided adhesive buffer layer configured to combine the third liquid crystal panel to a lower portion of the second liquid crystal panel.

Abstract: There is provided a memory-effect display device including a memory-effect display, a data buffer unit that stores input data to be displayed on the memory-effect display, a buffer control unit that controls only some scan line data of input data of each frame to be stored in the data buffer unit, and a display control unit that controls the input data stored in the data buffer unit to be displayed at respective scan lines of the memory-effect display, wherein the display control unit controls only the some scan line data on the memory-effect display according to information of scan lines where the input data stored in the data buffer unit are to be assigned, and scan lines where the some scan line data are not assigned are maintained as they were displayed based on frame data before frame data containing the some scan line data are input.

Abstract: There is provided a reflective liquid crystal display device including a first liquid crystal panel containing a first liquid crystal material that reflects light of a first color, a second liquid crystal panel containing a second liquid crystal material that reflects light of a second color and a third liquid crystal material that reflects light of a third color, the second and third liquid crystal materials positioned to be distinct from each other, and a light absorption layer that is bonded to a lower surface of the second liquid crystal panel, wherein the second liquid crystal panel is bonded to a lower surface of the first liquid crystal panel, and the first to third liquid crystal materials reflect light in a planar state and transmit light in a focal conic state.

Abstract: The rotary engine includes a cylinder body having a cylinder chamber, an intake port, an exhaust port, and a spark plug, and a rotor which is received in the cylinder chamber to eccentrically rotate while coming into contact at seal faces thereof with an inner circumferential contact wall of the cylinder chamber to thereby implement intake, compression, expansion, and exhaust strokes. The rotor has an elliptical outer contour, and the inner circumferential contact wall of the cylinder chamber coincides with a specific curve, which is described by opposite apexes of the elliptical rotor in a direction of a major axis, when the rotor eccentrically rotates. The intake port and exhaust port are provided with opening/closing valves, respectively. Sealing performance between the cylinder chamber and the rotor may achieve an enhancement in the efficiency of fuel combustion and engine output and prevent waste of fuel.

Abstract: The present invention relates to a fixing bracket for preventing release of gear shafts in a transmission that is provided between the gears fitted around the middle portions of a driving shaft and a driven shaft in the transmission in such a manner as to be insertedly fitted around the driving shaft and the driven shaft, wherein the upper and lower portions of the fixing bracket are connected by means of a connection part, upper and lower through-holes formed in the fixing bracket are adapted to insert the driving shaft and the driven shaft thereinto, and bearings are formed along the inner peripheries of the upper and lower through-holes, thereby greatly reducing the interference occurring during a high-speed rotation of the driving shaft and the driven shaft.

Abstract: Disclosed is a rotary engine which can improve sealing performance between a cylinder chamber and a rotor, achieve an enhancement in the efficiency of fuel combustion and engine output, prevent waste of fuel and air pollution due to the discharge of uncombusted gas, and achieve a further enhancement in the efficiency of fuel combustion and engine output by supercharging the uncombusted gas into the cylinder chamber in which an intake stroke is implemented. The rotary engine comprises a cylinder body having the cylinder chamber, an intake port, an exhaust port, and a spark plug, and a rotor which is received in the cylinder chamber to eccentrically rotate while coming into contact at seal faces thereof with an inner circumferential contact wall of the cylinder chamber to thereby implement intake, compression, expansion, and exhaust strokes.

Abstract: A dual mode converter is provided that may be operated as a variable-frequency, naturally-commutated controller in a Zero-Voltage-Switching mode and as a fixed-off-time controller in a Fixed-Off-Time mode. The converter includes four functional elements. A reference and biases element generates voltage references and biases utilized to determine various signal states. A Timing element generates a fixed off time signal and a voltage ramp signal utilized to create the dual modes of operation. A Catastrophic-Event element detects events that cause the converter output be inhibited and the controller to be restarted. A Mode Detection and Pulse Width Modulation element determines the mode of operation for the converter based on signal inputs from the other functional elements and modulates the output accordingly. In a primary mode, the controller utilizes variable frequency operation to deliver primary power. In a standby mode, the controller utilizes fixed frequency operation to provide low power (less than 5W).