Abstract: Provided is an image processing device configured to compress first image data. The image processing device includes an encoding circuit configured to compress the first image data into second image data including prediction data and residual data, compress the second image data into third image data by performing entropy encoding on the second image data, generate a header representing a compression ratio of the third image data, and store the third image data along with the header in a memory device as compressed first image data.

Abstract: A fuel cell system includes a purge valve that discharges hydrogen on a hydrogen supply line passing a fuel cell stack, an operation state monitoring device that monitors an operation state of the fuel cell stack, and a controller that determines a purge frequency based on the operation state and controls the purge valve with reference to the determined purge frequency.

Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.

Abstract: A computing resource management system using software modularization in a cluster computing environment in which computing devices are connected, including an application process running on each computing device and an algorithm processing process configured to run independently of the application process and perform task processing on the application process, the computing resource management system including: a task managing system configured to receive a task request message from an application process requiring a task from each computing device; a process managing system configured to confirm an algorithm processing process of computing devices connected to the cluster computing environment, and determine whether there is an algorithm processing process in an idle state to which the application process requested for a task will be assigned; and a performed managing system configured to confirm a result of an application process whose task is performed by the algorithm processing process.

Abstract: A backlight unit includes one or more light sources operable to emit light and a light guide plate arranged adjacent to the one or more light sources, reflected lights exiting the one or more light sources via the second surfaces and entering the light guide plate. A light source includes a light emitting device having a substrate and a semiconductor stack disposed on the substrate. The reflector is structured and positioned to block light emitted from a first surface of the light emitting device by reflecting the light emitted from the first surface toward second surfaces of the light source.

Abstract: A display device includes a first electrode disposed on a substrate, a pixel defining layer exposing at least a part of the first electrode and disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, and an encapsulation layer disposed on the second electrode, wherein the pixel defining layer includes an overlapping area overlapping the first electrode and a non-overlapping area not overlapping the first electrode, the overlapping area includes a first overlapping area spaced apart from the first electrode and facing the first electrode, and the encapsulation layer is at least partially disposed in a space between the first electrode and the pixel defining layer in the first overlapping area.

Abstract: The present invention relates to a method for manufacturing a basic metallic frame product used to produce a metallic frame as a part of an electronic product such as a smartphone, a smart key, a remote controller, and the like, and to a metal injection molded system including a metal injection molded product made with a mixture of metal powder and a binder and a support means for fixing the metal injection molded product to prevent the molded side wall from shrinking in the longitudinal direction thereof during a sintering process of the metal injection molded product. As the basic metallic frame product made using the system is provided, the metallic frame may be easily mass-produced, the production cost of the metallic frame may be lowered, and an amount of metal consumed for making the metallic frame may be reduced.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

Abstract: The present invention relates to a composition for selectively etching silicon on a surface on which a silicon oxide film (SiO2) and silicon (Si) are exposed. According to the present invention, it is possible to improve etch selectivity of silicon on the semiconductor surface.

Abstract: Provided are a compound that can improve the luminous efficiency, stability, and lifespan of the element, an organic electronic element using the same, and an electronic device thereof.

Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.

Abstract: A method for registering a wireless device by a terminal in a wireless communication system is provided. The method includes obtaining connection information for the wireless device by scanning a recognition code of the wireless device in a first mode, transitioning to a second mode based on the connection information and receiving a connection request from the wireless device, performing a connection operation to the wireless device to transmit network access information to the wireless device, and transitioning to the first mode, and registering the wireless device upon detecting connection of the wireless device to a network in the first mode.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

Abstract: A secondary battery according to an embodiment of the present disclosure includes an electrode assembly to which an electrode lead is attached; a case accommodating the electrode assembly so that a portion of the electrode lead is exposed to the outside; a sealing portion formed in the case to seal the electrode assembly; and a lead film covering a portion of an outer surface of the electrode lead and interposed between the electrode lead and the sealing portion, wherein the electrode lead includes a first region not corresponding to the lead film and exposed to the outside of the case, a second region corresponding to the lead film, and a third region not corresponding to the lead film and not exposed to the outside of the case, wherein a separation groove may be located in the third region.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect the optical element. The movable portion may move relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion.

Abstract: An encryption method, includes performing, by an encryption system, bit reversal permutation of pixel data of a 2D image, arranging the pixel data as first-pixel data, and applying the 2D image to a butterfly algorithm of fast Fourier transform; determining, by the encryption system, a plurality of data paths based on the first-pixel data; and performing, by the encryption system, a first encryption of the first-pixel data into second-pixel data on a specific data path based on a number of the specific data path among the plurality of data paths.

Abstract: A seat molded article and a method of preparing a seat molded article are disclosed. The seat molded article includes: an upper pad formed of polyurethane foam having a thickness in a range of 25 to 50 mm; and an elastic fabric disposed under the upper pad, wherein, in the elastic fabric, a difference in tensile elongation between warp and weft directions is 5.0% or less, and a tensile elongation measured under a load of 20 kgf is in a range of 20 to 40% in the warp and weft directions.

Abstract: A docking control system for a vehicle and a building and a method therefor, includes a plurality of sensors including a vehicle sensor and a gate sensor, and a controller, when a vehicle approaches a gate, which controls the plurality of sensors to set amount of movement of the vehicle, to move the gate so that a vehicle door and the gate are brought into close contact with each other, and when positional satisfaction between the vehicle door and the gate is achieved, which opens the vehicle door and the gate so that an indoor space of the vehicle and an indoor space of the building are connected each other into one space.