Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode and a second electrode formed on the substrate, and a piezoelectric layer provided between the first electrode and the second electrode. Either one or both of the first electrode and the second electrode include a molybdenum-tungsten alloy having a weight ratio of molybdenum to tungsten in a range of 3:1 to 1:3.

Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode and a second electrode formed on the substrate, and a piezoelectric layer provided between the first electrode and the second electrode. Either one or both of the first electrode and the second electrode include a molybdenum-tungsten alloy having a weight ratio of molybdenum to tungsten in a range of 3:1 to 1:3.

Abstract: A thin film capacitor includes: a body formed by alternately stacking first and second electrode layers, with dielectric layers therebetween on a substrate. A plurality of first vias are disposed in the body and electrically connected to the first electrode layers. A plurality of second vias are disposed in the body, electrically connected to the second electrode layers, and disposed alternately with the first vias. A first connection electrode is disposed on an upper surface of the body and connected to the plurality of first vias, a second connection electrode is disposed on the upper surface of the body and connected to the plurality of second vias, and first and second electrode pads are disposed on the first and second connection electrodes, respectively, and formed to not overlap the plurality of first and second vias.

Abstract: A resonator includes a resonating portion including a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; and a frame provided at an outer edge of the resonating portion, at least a portion of the frame covering an outer end portion of the second electrode.

Abstract: A bulk acoustic wave resonator includes: a substrate; a lower electrode disposed on the substrate; a piezoelectric layer at least partially disposed on the lower electrode; and an upper electrode disposed on the piezoelectric layer, wherein either one or both of the lower electrode and the upper electrode includes a layer of aluminum alloy including scandium (Sc).

Abstract: An acoustic resonator includes a substrate, a center portion, an extending portion, and a barrier layer. A first electrode, a piezoelectric layer, and a second electrode are sequentially stacked on the substrate in the central portion. The extending portion is configured to extend from the center portion, and includes an insertion layer disposed below the piezoelectric layer. The barrier layer is disposed between the first electrode and the piezoelectric layer.

Abstract: An acoustic resonator includes a membrane layer disposed on an insulating layer; a cavity formed by the insulating layer and the membrane layer and having a hydrophobic layer disposed on at least one of a portion of an upper surface of the cavity and a portion of a lower surface of the cavity; and a resonating portion disposed on the cavity and having a second electrode on a piezoelectric layer on a first electrode.

Abstract: An acoustic resonator includes a membrane layer disposed on an insulating layer; a cavity formed by the insulating layer and the membrane layer; a resonating portion disposed on the cavity and having a first electrode, a piezoelectric layer, and a second electrode stacked thereon; a protective layer disposed on the resonating portion; and a hydrophobic layer formed on the protective layer.

Abstract: A film bulk acoustic resonator includes: a first electrode disposed on a substrate; a piezoelectric body disposed on the first electrode and including AlN to which a dopant is added; and a second electrode disposed on the piezoelectric body and facing the first electrode such that the piezoelectric body is interposed between the second electrode and the first electrode, wherein the dopant includes either one of 0.1 to 24 at % of Ta and 0.1 to 23 at % of Nb.

Abstract: An acoustic wave resonator includes: a first piezoelectric portion of a piezoelectric layer, disposed on a cavity and having a first average thickness; and a second piezoelectric portion of the piezoelectric layer, disposed adjacent to an edge of the first piezoelectric portion and having a second average thickness that is different from the first average thickness.

Abstract: A bulk acoustic resonator may include a substrate; a resonating portion including a first electrode layer, a piezoelectric layer, and a second electrode layer which are sequentially stacked on the substrate, and partitioned into an active region and a non-active region; and a frame electrode layer including frame electrodes disposed within the active region to be spaced apart from each other along an outer circumference portion of the active region.

Abstract: A lens driving device includes a fixed member, a movable member configured to move with respect to the fixed member, a lens disposed in or on the moveable member, a connection member connecting the fixed member to the movable member, and a protective member disposed on a connection portion. The connection portion is between the fixed member and the connection member or between the movable member and the connection member.

Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode and a second electrode formed on the substrate, and a piezoelectric layer provided between the first electrode and the second electrode. Either one or both of the first electrode and the second electrode include a molybdenum-tungsten alloy having a weight ratio of molybdenum to tungsten in a range of 3:1 to 1:3.

Abstract: A thin film capacitor includes: a body formed by alternately stacking first and second electrode layers, with dielectric layers therebetween on a substrate. A plurality of first vias are disposed in the body and electrically connected to the first electrode layers. A plurality of second vias are disposed in the body, electrically connected to the second electrode layers, and disposed alternately with the first vias. A first connection electrode is disposed on an upper surface of the body and connected to the plurality of first vias, a second connection electrode is disposed on the upper surface of the body and connected to the plurality of second vias, and first and second electrode pads are disposed on the first and second connection electrodes, respectively, and formed to not overlap the plurality of first and second vias.

Abstract: A resonator includes a resonating portion including a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; and a frame provided at an outer edge of the resonating portion, at least a portion of the frame covering an outer end portion of the second electrode.

Abstract: An acoustic resonator and a method of manufacturing the same are provided. The acoustic resonator includes a resonating part including a first electrode, a second electrode, and a piezoelectric layer; and a plurality of seed layers disposed on one side of the resonating part.

Abstract: A lens driving device includes a fixed member, a movable member configured to move with respect to the fixed member, a lens disposed in or on the moveable member, a connection member connecting the fixed member to the movable member, and a protective member disposed on a connection portion. The connection portion is between the fixed member and the connection member or between the movable member and the connection member.

Abstract: An exterior antenna structure of a mobile terminal that may extend the length of an antenna pattern when it is inserted into a case is provided. The exterior antenna structure of the mobile terminal, includes, an exterior antenna including a sleeve extending to an outside of a case, a stopper connected to a lower end of the sleeve, and a pogo pin provided at an inside and a lower end of the stopper, and an additional antenna pattern electrically connected to the pogo pin when the exterior antenna is inserted into an inside of the case. Accordingly, an additional antenna pattern contacting with an exterior antenna may minimize reduction in a passive gain when an exterior antenna is inserted into a case, and a pogo pin provided at a stopper allows an exterior antenna inserted in a case to achieve a stable electric contact with an additional antenna pattern.

Abstract: A method of displaying image data is provided, which includes analyzing histograms by color signals of an input image frame; confirming grayscales by color signals in a predetermined frame unit with reference to the analyzed histograms; determining dimming factors in consideration of maximum grayscale values of the grayscales; determining image gains of the image data by color signals using the determined dimming factors; and outputting an image signal by applying the image gains to the input image and applying the dimming factors to a light source.

Abstract: Provided is a light emitting device of an electronic device, provided with a DLP (Digital Light Processing) projector and a display unit, which is configured in such a manner that the light generated by the operation of the DLP projector can be re-used as a backlight light of the display unit. The disclosed light emitting device includes a first mirror for projecting a light of the DLP projector on a flat area provided ahead of the first mirror in an intermediate operation state of the first mirror; a light concentration mirror for converging the light projected on the flat area, the light concentration mirror being provided at a position adjacent to the flat area; and an optical fiber for transferring the light converged by the light concentration mirror to the display unit and enabling re-use of the transferred light as a light for a backlight of the display unit.