Abstract: A semiconductor package according to an exemplary embodiment of the present disclosure may comprise a semiconductor chip comprising a chip pad; a redistribution layer electrically connected to the chip pad of the semiconductor chip; an external connection terminal electrically connected to the redistribution layer; a sealing material covering the semiconductor chip and configured to fix the semiconductor chip and the redistribution layer; an adhesive film positioned on the upper surface of the sealing material; and a heat sink formed on the upper surface of the adhesive film and having a stepped portion at the periphery thereof.

Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.

Abstract: An acoustic resonator includes: a central portion; an extension portion extended outwardly of the central portion; a first electrode, a piezoelectric layer, and a second electrode sequentially stacked on a substrate, in the central portion; and an insertion layer disposed below the piezoelectric layer in the extension portion, wherein the piezoelectric layer includes a piezoelectric portion disposed in the central portion, and a bent portion disposed in the extension portion and extended from the piezoelectric portion at an incline depending on a shape of the insertion layer.

Abstract: A lamp for a vehicle includes a light source unit; a first optical member in which a plurality of incident lenses are arranged on an incident surface thereof; a second optical member in which a plurality of exit lenses are arranged on an exit surface thereof; and a shield unit including a plurality of shields disposed between the plurality of incident lenses and the plurality of exit lenses. The incident surface of the first optical member and the exit surface of the second optical member are inclined, and an incident surface of a first incident lens among the plurality of incident lenses and an exit surface of a first exit lens corresponding to the first incident lens among the plurality of exit lenses are formed asymmetrically with respect to a reference line drawn to pass through a focal point between the first incident lens and the first exit lens.

Abstract: An air conditioner and a control method thereof perform cooling through an outlet if room temperature or room humidity is high to reduce the room temperature or the room humidity, and closing the outlet to perform cooling at low velocity through an outlet hole if room temperature or room humidity reaches a predetermined value so that a user can little feel the wind velocity of cooling of the air conditioner, while maintaining indoor space at pleasant temperature or humidity. By performing cooling at low velocity through the outlet hole formed in the lower portion of the air conditioner, it is possible to cool the lower area of indoor space at pleasant temperature when a user is asleep.

Abstract: An air conditioner and a method for controlling the same are disclosed. The air conditioner includes a compressor; an indoor fan configured to blow an indoor air; and a controller configured to change and control a revolutions per minute (RPM) of the indoor fan to a predetermined time when the compressor is off.

Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.

Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.

Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.

Abstract: A vehicle wheel including a wavelength tube member may include spokes, a cylindrical rim configured to connect both circumferential portions of the spokes, and a wavelength tube member accommodated on the rim between the first and second circumferential portions of the spokes and configured to cancel sound wave generated in a cavity formed between the rim and a tire, wherein the wavelength tube member may include a rim seating portion being in surface-contact with and accommodated on an external surface of the rim; and a plurality of wavelength tube portions formed on the rim seating portion.

Abstract: An optical system is provided. The optical system includes a first lens and a second lens disposed in front of the first lens. In particular, the second lens has a concave incidence surface, a curvature ratio between the first lens and the second lens is in a range of about 1.2 to 3.0, and the optical system receives a light emitted by a light-emitting unit in a range of about 60° or more.

Abstract: Disclosed herein are a method and apparatus for virtual desktop service. The apparatus includes a connection manager configured to perform an assignment task of assigning a virtual machine to a user terminal using virtual desktop service, a resource pool configured to allocate software resources to a virtual desktop, wherein the software resources include an OS, applications, and user profiles, and a virtual machine infrastructure configured to support hardware resources including a CPU and a memory, wherein the connection manager is configured to perform a coordination task of coordinating a delivery protocol used between the user terminal and servers that provide the virtual desktop service, wherein the resource pool has a management function, wherein the management function is based on usage pattern information about a user's average usage of resources, and wherein the management function uses a physical distance on network from the user terminal to a server.

Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.

Abstract: According to an embodiment of the present disclosure, a connecting device included in an electronic device may comprise a movable part including at least one contacting part, an elastic part extending from the movable part and including a plurality of bends alternately arranged to allow the movable part to move in a first direction, and a support extending from the elastic part. Other various embodiments are also possible.

Abstract: A bulk acoustic wave resonator device includes: a substrate; a lower electrode disposed on the substrate; a piezoelectric layer disposed over a portion of the lower electrode; an upper electrode disposed on the piezoelectric layer; and a shape control layer covering an edge of a cavity disposed between the substrate and the lower electrode, wherein tensile stress is applied to the shape control layer during formation of the shape control layer.

Abstract: An acoustic resonator includes a substrate, and a resonant portion comprising a center portion in which a first electrode, a piezoelectric layer and a second electrode are sequentially laminated on the substrate, and an extending portion disposed along a periphery of the center portion, wherein the resonant portion is configured to have an asymmetrical polygonal plane, an insertion layer is disposed below the piezoelectric layer in the extending portion, and the piezoelectric layer is configured to have a top surface which is raised to conform to a shape of the insertion layer, and the insertion layer is configured to have an asymmetrical polygonal shape corresponding to a shape of the extending portion.

Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.

Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.

Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.

Abstract: An acoustic resonator includes: a resonating unit including a resonating unit including a piezoelectric layer and first and second electrodes disposed on a lower side and an upper side of the piezoelectric layer, respectively; a substrate disposed on a lower side of the resonating unit; a support unit providing a cavity between the substrate and the resonating unit; and an intermediate metal layer separated from the second electrode and disposed in the resonating unit such that at least a portion thereof is surrounded by the piezoelectric layer and the second electrode.