Abstract: Optical scanners having a multi-layered comb electrode structure and methods to increase driving force and angle are provided. The optical scanner includes: a stage which performs a seesaw motion in a first direction; a support unit which supports the seesaw motion of the stage; and a stage driving unit including driving comb electrodes extending outward from opposite sides of the stage in the first direction and fixed comb electrodes extending from the support unit facing the driving comb electrodes such that the driving comb electrodes and the fixed comb electrodes alternate with each other. Each of the stage, the support unit, and the stage driving unit is made of a plurality of conductive layers and insulation layers between the conductive layers.

Abstract: A portable terminal includes: a body case including a button operation unit and a circuit unit; at least one sliding case which is sildably connected to the body case to protrude from the body case and in which a closed resonance space is formed when the sliding case protrudes; and at least one speaker which is installed in the sliding case and is placed in the resonance space when the sliding case protrudes. Accordingly, since the resonance space is formed in the sliding case, the quality of sound provided from the speakers to a user is enhanced.

Abstract: A dual type LCD module for a mobile phone includes: a main LCD; a sub LCD; and a bracket interposed between the main LCD and the sub LCD. The main LCD and sub LCD are separated by a first distance by the brackets, which covers a periphery of the main LCD and includes an opening in which the sub LCD is arranged. In accordance with the invention, the weight of the sub LCD is not applied to the main LCD when the phone is shocked, so that the main LCD is prevented from being deformed by the sub LCD.

Abstract: A terminal includes a lower housing; an upper housing slidably installed with respect to the lower housing; and a pressing member with both ends being supported by the lower and upper housings, respectively, for providing variable levels of pressure in diverse directions according to a sliding position of the upper housing with respect to the lower housing, wherein one end of the pressing member is movably linked to the lower housing. The small-sized pressing member provides a maximum level of pressure to facilitate the sliding movement of the upper housing with respect to the lower housing. Thus, space utilization can be improved.

Abstract: A method for fabricating liquid crystal panel including providing a first and second substrates, attaching the first substrate to the second substrate with a predetermined gap, fixing the attached first and second substrates in a state bent into the predetermined radius of curvature such that tension can be applied to a predetermined cutting surface of the first substrate, forming a crack on the predetermined cutting surface using a scribing wheel, cutting the substrates by applying mechanical force to the first and the second substrates on which the crack is formed, and injecting liquid crystal into each of cut liquid crystal cells.

Abstract: A slide opening/closing type mobile device includes a body section including a guide section that has a pair of long holes and is configured so that an interval between the pair of long holes becomes smaller at first, as it goes from one ends towards the other ends of the long holes, and then, becomes larger based on certain starting points; a slider provided with guide rollers movably inserted in the pair of long holes of the guide section in a state of being elastically biased to the outside; a rotation plate rotatably mounted on the slider; and a display section mounted on the rotation plate. The display section is slidable upward and downward with respect to the body section by the slider, and rotates at a predetermined angle by the rotation plate.

Abstract: A tri-axial bending load testing jig includes a die including first and second supporting axes which upholds opposite sides of a board material, the first and the second supporting axes movable so that an interval therebetween can be adjusted according to a size of the board material, a punch mounted at an upper part of the die movable in a vertical direction to press down a center portion of the board material, a punch setting unit formed in the center of the die to set the center and parallelism of the punch with respect to the first and the second supporting axes and having a punch groove for receiving the punch at the center portion of the die, and a material positioning unit guiding a position of the board material to be put on the first and the second supporting axes, according to the size of the board material.

Abstract: A display device of a mobile phone has a liquid crystal display (LCD) module; a first housing receiving and supporting the LCD module, and having guide ribs in a square frame configuration; a driving circuit board assembled to the first housing to be mounted on the guide ribs; and a second housing engaged with the first housing to enclose the driving circuit board and the LCD module. Exterior impact imposed on the driving circuit board is dispersed via the guide ribs throughout the first housing since the driving circuit board is mounted and supported on the guide ribs of the first housing. Accordingly, the impact transferred to the LCD module decreases.

Abstract: Provided are a biaxial actuator and a method of manufacturing the same.

Abstract: A dual comb electrode structure with spacing for increasing a driving angle of a micro mirror provided by MEMS (Micro-Electro-Mechanical system) structure and a microscanner adopting the same are provided. The dual comb electrode structure includes: a mirror unit for reflecting light; a plurality of movable comb electrodes protruded in both sides of the mirror unit; and a plurality of upper and lower static comb electrodes formed above and below the movable comb electrode so as to be alternated with the plurality of movable comb electrodes formed in both sides of the mirror unit, wherein a spacing between the upper static comb electrode and the movable comb electrode is different from a spacing between the lower static comb electrode and the movable comb electrode.

Abstract: An LCD module is provided for use in a hand-held portable phone, which is eminently improved in impact-resistant property. The LCD module includes an LCD panel, a mold frame for receiving and supporting the LCD panel, and a chassis for reinforcing the rigidity of the mold frame, wherein the mold frame and the chassis are integrally insert-molded.

Abstract: A flexible printed circuit board is robust to a repeated twisting and consists of a minute circuit printed on a flexible insulated material sheet, and has the bent parts of the opposite edges symmetrical in structure. The bent parts are straightened out when twisting occurs. In the flexible printed circuit board, the opposite edges are longer in length than the middle part such that the tensile deformation at the opposite edges at the time of twisting does not occur or is minimized.

Abstract: A liquid crystal on silicon (LCOS) device includes a wafer, glass, and walls formed at opposite ends of an upper surface of the wafer to define a predetermined cell gap between the glass and the wafer. A thin piezo-electric layer is attached onto a surface of the wafer and an electrode is applied with external power to expand and/or contract the thin piezo-electric layer. The LCOS device further includes a voltage detection unit for detecting a voltage generated by the deformation of the thin piezo-electric layer; and a feedback control unit for compensating for deformation of the thin piezo-electric layer according to the voltage detected by the voltage detection unit. The LCOS device achieves uniformity of the cell gap by adjusting the voltage level of the thin piezo-electric layer after bonding the wafer and the glass, and therefore, spacers are not required.

Abstract: A method and apparatus for generating a three-dimensional FEM are provided. In the three-dimensional FEM generating method, a surface mesh is generated by meshing the surface of a three-dimensional model of a three-dimensional object. A projected contour is generated by projecting the three-dimensional model from one direction, and a projected contour mesh is generated by meshing the surface of the projected contour. A solid base mesh is generated by stacking solid elements on a base side formed of two-dimensional elements of the projected contour mesh. The surface mesh is substituted into the solid base mesh in alignment with the projected contour. A final solid mesh is generated by distinguishing solid elements surrounded by the surface mesh in the solid base mesh.

Abstract: A micro mirror structure having an increased driving angle while being driven in high speed. The micro mirror includes a rotatable mirror section that reflects light, a pair of spring sections for supporting the mirror section and serving as a rotational axis for the mirror section when the mirror section is rotationally driven, an oval adjoining section for connecting the mirror section and the pair of spring sections, and a driving section including mobile combs arranged on the adjoining section. A fixed comb is provided above and/or below the mobile combs to correspond to the mobile combs to generate electrostatic force. According to the present invention, by existence of the oval adjoining section, moment can be increased without largely increasing rotational inertia moment. Therefore, a high-speed optical scanner with an increased driving angle can be provided, which is required for a high-resolution laser TV.

Abstract: Provided is a one-axis driving optical scanner including a substrate, a stage separated a predetermined height from the substrate and having an optical scanning surface formed on an upper surface thereof, a plurality of first driving comb electrodes extending from opposite sides of the stage, a first anchor separated a predetermined distance from the opposite sides of the stage and fixed on the substrate and having a plurality of first fixed comb electrodes arranged at one side thereof to be alternate with the first driving comb electrodes, at least one first bending spring having one end connected to a center portion of each of another opposite sides of the stage, an inertia portion separated a predetermined distance above the substrate, in which the other end of the first bending spring is connected to a center portion of one side thereof, a second anchor fixed on the substrate at opposite sides of the first anchor, a second bending spring connecting the inertia portion and the second anchor, and an inertia

Abstract: A microgyroscope tunable against an external translational acceleration includes an oscillating mass floating over a wafer to oscillate in a first direction, a driving electrode for oscillating the oscillating mass, a sensing mass oscillating together with the oscillating mass and concurrently moving in a second direction, wherein the second direction is perpendicular to the first direction, a sensing electrode for sensing a motion of the sensing mass, and a sensing electrode supporting portion for movably securing the sensing electrode so that the sensing electrode can move in the second direction with the sensing mass. A microgyroscope according to the present invention is able to prevent sensing signals due to an external disturbance, such as noise or impulse.

Abstract: A microgyroscope tunable against an external translational acceleration includes an oscillating mass floating over a wafer to oscillate in a first direction, a driving electrode for oscillating the oscillating mass, a sensing mass oscillating together with the oscillating mass and concurrently moving in a second direction, wherein the second direction is perpendicular to the first direction, a sensing electrode for sensing a motion of the sensing mass, and a sensing electrode supporting portion for movably securing the sensing electrode so that the sensing electrode can move in the second direction with the sensing mass. A microgyroscope according to the present invention is able to prevent sensing signals due to an external disturbance, such as noise or impulse.

Abstract: A micro-switching device actuated by a low voltage is provided. The micro-switching device includes a spring operating elastically; a membrane formed on one side of the spring, being held by the spring; and a lower electrode formed below the membrane, for generating an electrostatic attraction when a voltage is applied thereto, wherein the membrane is non-planar. This micro-switching device is advantageous in that it can be actuated by a low voltage and prevents the adhesion that occurs commonly in micro devices.

Abstract: A micro-electro mechanical system (MEMS) switch having a single anchor is provided. The MEMS switch includes a substrate; grounding lines installed on the substrate to be distant away from each other; signal transmission lines positioned at predetermined intervals between the grounding lines; an anchor placed between the signal transmission lines; a driving electrode that encircles the anchor while not being in contact with the anchor, the signal transmission lines and the grounding lines; and a moving plate that is positioned on the driving electrode to be overlapped with portions of the signal transmission lines, and connected to the anchor elastically.