Abstract: An objective lens driving unit including a moving structure to which an objective lens and a driving coil are operatively installed, a static structure which includes a magnetic circuit corresponding to the driving coil, a plurality of suspension wires each of which has a first end and a second end, the first end being operatively connected to the static structure, and the second end being operatively connected to the moving structure, and circuit boards operatively installed to the moving structure, the circuit boards including a plurality of wiring layers, wherein the wiring layers include first terminals to which the driving coil is connected and second terminals to which the second end of each of the plurality of is connected.

Abstract: A touch panel comprising a first substrate; a second substrate disposed facing the first substrate; a first conductive layer disposed on at least one surface of the first substrate; a second conductive layer disposed on at least one surface of the second substrate; first electrodes electrically connected to the first conductive layer; and second electrodes electrically connected to the second conductive layer, wherein at least one of the first conductive layer and the second conductive layer comprises graphene.

Abstract: Provided is an objective lens driving unit in which a wire holder is coupled to a circuit board. In a conventional objective lens driving unit, a connection between a wire holder and a circuit board may deteriorate over time due to a deterioration of the connection. According to various aspects, a wire holder may be directly coupled to a circuit board by insert molding, thus improving the connection between the wire holder and the circuit board over time.

Abstract: Provided are apparatuses for grounding the objective lens driving unit of an optical pickup device. An optical pickup device includes an objective lens driving unit and a base that supports the objective lens driving unit, and wherein the objective lens driving unit includes a moving structure including an objective lens and a plurality of drive coils; a static structure comprising magnets corresponding to the plurality of drive coils, a yoke that supports the magnets, and a wire holder that has a plurality of wiring layers including a ground wiring layer; a plurality of suspension wires that connect the plurality of drive coils to the plurality of wiring layers; a supporting portion connected to the yoke and fixed to the wire holder; a projection extending from the supporting portion and disposed adjacent to the ground wiring layer; and conductive bonding material connects the ground wiring layer with the projection.

Abstract: Provided is an object lens driving device that includes a wire holder coupled to a support portion and on which an end of a plurality of suspension wires are fixed. The wire holder includes a first area supported on the support portion and a second area extending from the first area and on which the end of each of the plurality of suspension wires is fixed. In this example, a thickness of the second area is thinner than a thickness of the first area.

Abstract: Provided is an objective lens driving unit in which a wire holder is coupled to a circuit board. In a conventional objective lens driving unit, a connection between a wire holder and a circuit board may deteriorate over time due to a deterioration of the connection. According to various aspects, a wire holder may be directly coupled to a circuit board by insert molding, thus improving the connection between the wire holder and the circuit board over time.

Abstract: Provided is a lens driving unit for an optical pickup and an optical disc drive that employs the lens driving unit. The lens driving unit includes a lens frame in which an object lens and a plurality of driving coils are installed, and a plurality of suspension wires connected to the driving coils. The lens frame also includes a plurality of winding posts disposed on opposing sides of the lens frame and extending in a direction in which the suspension wires extend. According to various examples, coil ends of the driving coils are wound around the winding posts to electrically connect the driving coils to the suspension wires.

Abstract: Provided is an objective lens driving unit that includes a moving structure including an objective lens and a driving coil, a yoke and a fixed portion extending from the yoke, and a wire holder that has a first surface and a second surface that is adjacent to the first surface. The fixed portion of the yoke is integrally bonded to the first surface, and a terminal unit comprising a plurality of interconnection layers is embedded on the second surface. The objective lens driving unit also includes a plurality of suspension wires that connect the driving coil to the terminal unit of the wire holder.

Abstract: Provided is an objective lens driving unit that includes a moving structure including an objective lens and a driving coil, a yoke and a fixed portion extending from the yoke, and a wire holder that has a first surface and a second surface that is adjacent to the first surface. The fixed portion of the yoke is integrally bonded to the first surface, and a terminal unit comprising a plurality of interconnection layers is embedded on the second surface. The objective lens driving unit also includes a plurality of suspension wires that connect the driving coil to the terminal unit of the wire holder.

Abstract: A liquid crystal display device includes: a bottom frame having a bent portion at an edge thereof; a light guide plate over the bottom frame, the light guide plate spaced apart from the bent portion by a gap; a light emitting diode (LED) assembly facing a side of the light guide plate, the LED assembly fixed to the bent portion; a main frame having a rectangular band shape over the bottom frame, the main frame having a rib corresponding to the gap; a liquid crystal panel over the light guide plate; and a top frame surrounding a front boundary portion of the liquid crystal panel, the top frame combined with the bottom frame and the main frame.

Abstract: Provided is an object lens driving device that includes a wire holder coupled to a support portion and on which an end of a plurality of suspension wires are fixed. The wire holder includes a first area supported on the support portion and a second area extending from the first area and on which the end of each of the plurality of suspension wires is fixed. In this example, a thickness of the second area is thinner than a thickness of the first area.

Abstract: Provided is a lens driving unit for an optical pickup and an optical disc drive employing the lens driving unit. First and second driving coils are directly wound around a coil winding unit included in the lens frame, which is different from a conventional lens frame in which a driving coil is manufactured as a separate element and is separately attached to a lens frame.

Abstract: Provided are apparatuses for grounding the objective lens driving unit of an optical pickup device. An optical pickup device includes an objective lens driving unit and a base that supports the objective lens driving unit, and wherein the objective lens driving unit includes a moving structure including an objective lens and a plurality of drive coils; a static structure comprising magnets corresponding to the plurality of drive coils, a yoke that supports the magnets, and a wire holder that has a plurality of wiring layers including a ground wiring layer; a plurality of suspension wires that connect the plurality of drive coils to the plurality of wiring layers; a supporting portion connected to the yoke and fixed to the wire holder; a projection extending from the supporting portion and disposed adjacent to the ground wiring layer; and conductive bonding material connects the ground wiring layer with the projection.

Abstract: Provided is a lens driving unit for an optical pickup and an optical disc drive that employs the lens driving unit. The lens driving unit includes a lens frame in which an object lens and a plurality of driving coils are installed, and a plurality of suspension wires connected to the driving coils. The lens frame also includes a plurality of winding posts disposed on opposing sides of the lens frame and extending in a direction in which the suspension wires extend. According to various examples, coil ends of the driving coils are wound around the winding posts to electrically connect the driving coils to the suspension wires.

Abstract: An objective lens driving unit is provided and includes a moving structure having an objective lens and a plurality of driving coils, a permanent magnet and a yoke structure to correspond to the driving coils, a wire holder coupled to the yoke structure and having a plurality of wiring layers buried in a portion of the wire holder, and a plurality of suspension wires to connect the plurality of driving coils to the plurality of wiring layers.

Abstract: Provided is a lens driving unit for an optical pickup and an optical disc drive employing the lens driving unit. First and second driving coils are directly wound around a coil winding unit included in the lens frame, which is different from a conventional lens frame in which a driving coil is manufactured as a separate element and is separately attached to a lens frame.

Abstract: Disclosed is a liquid crystal display (LCD) device having a good heat radiating function. Surface areas of a lower cover, an upper cover, and a guide panel are increased by forming grooves at the lower cover, the upper cover, and the guide panel. Heat generated from an optical source is rapidly radiated through the lower cover, the upper cover, and the guide panel having increased surface areas. This may prevent temperature increment of a backlight unit.

Abstract: Provided are a method of manufacturing graphene, graphene manufactured by the method, a conductive thin film including the graphene, a transparent electrode comprising the graphene, and a radiating or heating device comprising the graphene. The method includes: preparing a graphene member including a base member, a hydrophilic oxide layer formed on the base member, a hydrophobic metal catalyst layer formed on the oxide layer, and graphene grown on the metal catalyst layer; applying water to the graphene member; separating the metal catalyst layer from the oxide layer; and removing the metal catalyst layer using an etching process.

Abstract: A touch panel comprising a first substrate; a second substrate disposed facing the first substrate; a first conductive layer disposed on at least one surface of the first substrate; a second conductive layer disposed on at least one surface of the second substrate; first electrodes electrically connected to the first conductive layer; and second electrodes electrically connected to the second conductive layer, wherein at least one of the first conductive layer and the second conductive layer comprises graphene.

Abstract: An objective lens driving unit is provided and includes a moving structure having an objective lens and a plurality of driving coils, a permanent magnet and a yoke structure to correspond to the driving coils, a wire holder coupled to the yoke structure and having a plurality of wiring layers buried in a portion of the wire holder, and a plurality of suspension wires to connect the plurality of driving coils to the plurality of wiring layers.