Abstract: Disclosed is a long-distance fluid ejection device. A nozzle for long-distance fluid ejection according to an embodiment of the present invention comprises: a main body connected with a hose which flows fluid within the inner portion thereof; a nozzle which has a circular flat plate shape and includes a plurality of fluid spray holes, the further from the center of the nozzle the number of which relatively increases, and which is equipped at the front end of the main body; and a coupling unit for coupling the nozzle to the main body. The plurality of fluid spray holes each comprises: an opening; and a direction switching unit projected to the inside of the opening along the radial inward direction of the nozzle.

Abstract: Provided are a thermal interface material layer and a package-on-package device including the same. The package-on-package device may include a thermal interface material layer interposed between lower and upper semiconductor packages and configured to have a specific physical property. Accordingly, it is possible to prevent a crack from occurring in a lower semiconductor chip, when a solder ball joint process is performed to mount the upper semiconductor package on the lower semiconductor package.

Abstract: Embodiments of the present invention provide an accelerated lifetime estimation device for predicting the lifetime of a secondary battery, and a method thereof. The accelerated lifetime estimation device can accurately estimate a normal lifetime of the secondary battery while reducing an evaluation time period of the secondary battery.

Abstract: A semiconductor package includes a first package board, a first semiconductor chip arranged on the first package board, a heat transfer layer arranged on the first semiconductor chip, a heat spreader arranged on the heat transfer layer, and a housing having a molding part arranged on the first package board and directly surrounding side surfaces of the first semiconductor chip and a guide wall arranged on the molding part, with the guide wall spaced apart from the heat spreader and surrounding side surfaces of the heat spreader.

Abstract: A light emitting device and a method of fabricating the same. The light emitting device includes a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells includes a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

Abstract: A terminal device is disclosed. The terminal device includes, for example: a communication interface configured to receive UI information set in another terminal device; input circuitry configured to receive selection of UI setting to be applied to the terminal device from among UIs set in another terminal device based on the received UI information; a controller configured to set a UI of the terminal device based on the selected UI setting; and a display configured to display the set UI.

Abstract: There is disclosed a water spray plate having micro-shower-holes formed therein to expand a passage area of liquid. The plurality of the shower hole arrays formed to unit sprayed liquids may be arranged and there may be an effect of enabling the user to feel that sufficient liquid is supplied even if a small amount of liquid is supplied. As a result, the substantial amount of the liquid used by the user may be reduced and there may be a water-saving effect.

Abstract: A stack type semiconductor package includes: a lower semiconductor package including a lower package substrate, and a lower semiconductor chip which is mounted on the lower package substrate and includes a first surface facing a top surface of the lower package substrate and a second surface opposite to the first surface; an upper semiconductor package including an upper package substrate and an upper semiconductor chip which is mounted on the upper package substrate; an inter-package connection unit which connects the lower package substrate and the upper package substrate; a heat dissipation member which is formed on the second surface of the lower semiconductor chip; and an interconnection unit which is formed on a bottom surface of the upper package substrate, and is adhered to the heat dissipation member to connect the lower semiconductor chip and the upper package substrate.

Abstract: A device for managing applications installed on the device and a method thereof are provided. The device includes a controller configured to obtain driving information of the applications in response to the applications being executed, and determine an application satisfying an uninstall condition, among the applications, based on the driving information. The device further includes an interface configured to change a display of an object indicating the determined application, based on the uninstall condition.

Abstract: The present invention relates to a method for preparing graphene using a spontaneous process, and particularly, to a method for mass-producing high-quality graphene composed of a single layer or several layers by using lithium intercalation of a graphite electrode occurring during the process of charging a lithium ion battery and a lithium ion capacitor in the preparation of graphene to form a graphite intercalation compound, and performing exfoliation through a reaction with water (or alcohol).

Abstract: The present invention relates to a polymer blend composition comprising a dielectric elastomer, an actuator film manufactured using the same, and an actuator comprising the film. The polymer blend composition according to the present invention comprises a block copolymer having excellent compatibility with the dielectric elastomer and excellent dielectric properties, and thus displacement values suitable for the purpose can be obtained by a simple method of adjusting a composition of the polymer blend. Moreover, the film manufactured using the same has high dielectric constant, low dielectric loss and high electromechanical displacement, and thus the film exhibits excellent dielectric properties when it is applied in a dielectric layer for an actuator.

Abstract: The present disclosure provides an apparatus and method for preventing dew formation in a refrigerator, capable of a simple structure and of more effectively preventing dew formation in the front of a main body by installing a hot pipe in the edge areas of the front of the refrigerator, where the main body comes in contact with a door. A refrigerant in the hot pipe for removing dew on a surface of the refrigerator discharges heat from inside the hot pipe, and first moves to the boundary area between a cold storage space and a freezer in the edge areas.

Abstract: Disclosed are a light emitting device and a method of fabricating the same. The light emitting device comprises a substrate. A plurality of light emitting cells are disposed on top of the substrate to be spaced apart from one another. Each of the light emitting cells comprises a first upper semiconductor layer, an active layer, and a second lower semiconductor layer. Reflective metal layers are positioned between the substrate and the light emitting cells. The reflective metal layers are prevented from being exposed to the outside.

Abstract: A portable apparatus and a method for displaying a screen of the portable apparatus are provided. A method for displaying a screen of a portable apparatus includes detecting a touch on an icon corresponding to a timeline application displayed on a touch screen; and displaying a screen of the timeline application including a timeline area in which a timeline including a plurality of event times is displayed and an event area in which a plurality of event information corresponding to the plurality of event times is displayed. The plurality of event times are disposed apart from one another at an interval corresponding to a time gap therebetween in the timeline.

Abstract: A compressor is provided in which a rotary member suspended on a stationary member is rotated to compress a refrigerant. The rotary member is suspended on a first stationary member and rotatably supported on a second stationary member spaced apart from the first stationary member, to thereby achieve structural stability, improve operation reliability, and reduce vibration. The components can be easily centered and assembled with an excellent assembly property. In addition, a mounting structure of an elastically-supported vane is improved to ensure lubrication performance and operation reliability. Moreover, a mounting structure of a roller-incorporated vane is improved to reduce vibration and prevent refrigerant leakage, which leads to high compression efficiency.

Abstract: A terminal, a method for displaying a screen of a terminal, and a computer readable recording medium are provided. The method includes displaying a music list including a music play-back item of each of one or more contacts, the music play-back item generated based on contact information of the one or more contacts stored in the terminal and a registration status of the one or more contacts to a music service and displaying a play-back screen that provides a music service corresponding to a music play-back item of a contact according to a user selection from among the music play-back item of each of the one or more contacts.

Abstract: A shower plate and a water-saving shower using the same are disclosed. The shower plate provided in a head body of a shower used to supply fluid along an inner path thereof, the shower plate includes a plurality of spray holes configured to spray the supplying fluid out, wherein a predetermined amount of the spray hole are direction changing spray holes comprising a direction changing parts projected inwardly there from. The water-saving shower includes a shower plate provided in a head body of a shower used to supply fluid along an inner path thereof, the shower plate comprising a plurality of spray holes configured to spray the supplying fluid out, wherein a predetermined amount of the spray hole are direction changing spray holes comprising a direction changing parts projected inwardly there from, and a filter provided in the head body to filter foreign substances contained in the supplying fluid before the supplying fluid reaches the shower plate.