Abstract: A backlight unit may be provided which is capable of local dimming. The backlight unit includes: one or a plurality of light emitting devices; and a light guide plate including a top surface and a bottom surface, one or a plurality of grooves which are formed in the bottom surface and in which the light emitting device is disposed, a reflective layer which is disposed within the one or the plurality of grooves and reflects light emitted from the light emitting device, and a plurality of inverse prism patterns disposed in the top surface.

Abstract: Disclosed herein is an MEMS variable capacitor and its driving method, the MEMS variable capacitor including, a first electrode, a second electrode floating over the first electrode upper part, a fixed electrode separated at the second electrode side surface, and a drifting electrode placed between the second electrode and the fixed electrode, connected to the second electrode, and physically contacting the fixed electrode by a voltage applied to the fixed electrode.

Abstract: Disclosed is a humidity sensor including: a conductive material in which electric charges are charged; a charger which charges the electric charges in the conductive material; and a measurer which measures a change amount of the electric charges charged in the conductive material.

Abstract: A backlight unit may be provided which is capable of local dimming. The backlight unit includes: one or a plurality of light emitting devices; and a light guide plate including a top surface and a bottom surface, one or a plurality of grooves which are formed in the bottom surface and in which the light emitting device is disposed, a reflective layer which is disposed within the one or the plurality of grooves and reflects light emitted from the light emitting device, and a plurality of inverse prism patterns disposed in the top surface.

Abstract: A suspended type nanowire array and a manufacturing method thereof may be provided. More particularly, an array including a suspended type nanowire having two kinds of nanowires stacked thereon and a manufacturing method thereof may be provided. The suspended type nanowire array includes: a substrate; a suspended type nanowire which is suspended above the substrate and comprises a first nanowire, an insulating member, and a second nanowire which are sequentially stacked; a first electrode portion which is electrically connected to the first nanowire; and a second electrode portion which is electrically connected to the second nanowire.

Abstract: Provided are a light guide member, a lighting apparatus including the light guide member, and a method of fabricating the light guide member. The light guide member comprises: a body, which is formed as a transparent plate, including a first surface and a second surface facing the first surface; and a plurality of dimple type optical controllers formed beneath at least one of the first surface and the second surface and having reflective surfaces that reflect light proceeding between the first and second surfaces of the body toward at least one of the first and second surfaces.

Abstract: Disclosed is a MEMS variable capacitor, the capacitor including a first electrode, a second electrode that is floated on an upper surface of the first electrode, and a third electrode capable of variably-adjusting a capacitance value by adjusting a gap between the first electrode and the second electrode.

Abstract: Presented is a mechanical switch that may include a first electrode; a second electrode spaced apart from the first electrode; a first material electrically connected to the first electrode; and a second material electrically connected to the first electrode. Any one of a hardness, a Young's modulus, a melting point and an insensitivity degree to external contamination of the second material is lower than any corresponding one of a hardness, a Young's modulus a melting point and an insensitivity degree to external contamination of the first material. When the first electrode and the second electrode are electrically connected to each other, after the first material is connected to the second electrode, the second material is connected to the second electrode.

Abstract: A device packaging method and a device package using the same may be provided. The device packaging method includes forming a package sacrificial layer by applying a first material on a substrate on which a device has been formed; forming a package cap by applying a second material on the package sacrificial layer; generating gas molecules from the package sacrificial layer by applying external stimuli such as light or heat to the package sacrificial layer; and heating the gas molecule and forming a cavity between the device and the package cap.

Abstract: Disclosed are a light guide plate and a backlight unit. The backlight unit according to the present invention includes: a light guide plate; a light source disposed on one side of the light guide plate; and a reflective plate disposed under the light guide plate, wherein, in the cross section of one side of the light guide plate, the light guide plate includes a plurality of unit slits including a first slit and a second slit, wherein the first slit and the second slit are inclined from a top surface toward the inside of the light guide plate with respect to a vertical direction of the top surface, and wherein the first slit and the second slit are symmetrical to each other with respect to the middle portion of the unit slit.

Abstract: Disclosed is a humidity sensor including: a conductive material in which electric charges are charged; a charger which charges the electric charges in the conductive material; and a measurer which measures a change amount of the electric charges charged in the conductive material.

Abstract: In the present invention, a nanoporous membrane having a columnar structure is manufactured through a deposition technology used in a semiconductor process, and the size of a nanopore is adjusted by etching the lower surface of the manufactured nanoporous membrane or using a seed layer and a nanobead layer so that scaling up is available at a lowered process temperature and the size of the nanopore can be easily adjusted when manufacturing the nanoporous membrane having a columnar structure.

Abstract: Disclosed is a mechanical switch that may include a first electrode; a second electrode spaced apart from the first electrode; a first material electrically connected to the first electrode; and a second material electrically connected to the first electrode. Any one of a hardness, a Young's modulus, a melting point and an insensitivity degree to external contamination of the second material is lower than any corresponding one of a hardness, a Young's modulus a melting point and an insensitivity degree to external contamination of the first material. When the first electrode and the second electrode are electrically connected to each other, after the first material is connected to the second electrode, the second material is connected to the second electrode.

Abstract: Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the first electrode that is moved.

Abstract: Disclosed is a MEMS variable capacitor including: a first electrode; a second electrode spaced apart from the first electrode; a third electrode floating above the first electrode; and an actuator including a fourth electrode facing the second electrode, a connector connecting the third electrode and the fourth electrode, and a support supporting a portion of the connector, wherein the third electrode and the connector are integrally formed with each other, and wherein a capacitance is changed by applying a voltage to the second electrode and by adjusting a gap between the first electrode and the third electrode.

Abstract: Disclosed are a light guide plate and a backlight unit. The backlight unit according to the present invention includes: a light guide plate; a light source disposed on one side of the light guide plate; and a reflective plate disposed under the light guide plate, wherein, in the cross section of one side of the light guide plate, the light guide plate includes a plurality of unit slits including a first slit and a second slit, wherein the first slit and the second slit are inclined from a top surface toward the inside of the light guide plate with respect to a vertical direction of the top surface, and wherein the first slit and the second slit are symmetrical to each other with respect to the middle portion of the unit slit.

Abstract: Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the first electrode that is moved.

Abstract: Disclosed is a MEMS variable capacitor, the capacitor including a first electrode, a second electrode that is floated on an upper surface of the first electrode, and a third electrode capable of variably-adjusting a capacitance value by adjusting a gap between the first electrode and the second electrode.

Abstract: Disclosed is a method for manufacturing 3-dimensional structure using a thin film with a columnar nano pores and a manufacture thereof. A method for packaging an MEMS device or an NEMS device in accordance with an embodiment of the present invention includes: forming a sacrificial layer; forming a thin film having columnar nano pores formed therein by depositing one of a metallic material, an oxide, a nitride and a fluoride on the sacrificial layer; forming a support layer on the thin film and patterning the support layer; removing the sacrificial layer through use of the nano pores of the thin film parts of which are exposed by patterning the support layer; and forming a shielding layer on the thin film and the support layer.

Abstract: A display device is provided. The display device includes: a substrate including a unit display area, a fixing member that is formed on the substrate and that is electrically isolated, an insulating layer that is formed on the fixing member, a fixing electrode that is formed on the insulating layer and that is electrically connected to a power source, and a plurality of moving members with one end fixed to the insulating layer and positioned apart by a distance from the fixing electrode. The plurality of moving members and the fixing electrode are positioned within the unit display area.