Abstract: A microneedle therapy device equipped with a needle cover according to an example embodiment of the present disclosure includes a pneumatic pump, a valve configured to switch a supply and cutoff of a compressed air from the pneumatic pump into the needle cover, a microneedle arranged inside the needle cover and configured to move forward and backward from an opening of the needle cover, and a controller configured to control an opening and closing of the valve and the movement of the microneedle. The controller is configured to control an opening time of the valve based on information input by a user.

Abstract: A system for supplying liquefied hydrogen includes: liquefied hydrogen storage tanks each comprising a temperature control unit controlling an internal temperature of the liquefied hydrogen storage tank to maintain an inside of the liquefied hydrogen storage tank at a low pressure; pressure tanks receiving and storing liquefied hydrogen to be supplied to a liquefied hydrogen demand site from the liquefied hydrogen storage tanks, the pressure tanks having a smaller capacity than the liquefied hydrogen storage tanks and maintained at a higher pressure than the liquefied hydrogen storage tanks; a liquefied hydrogen supply line through which liquefied hydrogen is transferred from the pressure tanks to the liquefied hydrogen demand site; and a compressor compressing boil-off hydrogen gas generated in the liquefied hydrogen storage tanks and supplying the compressed boil-off hydrogen gas to the pressure tanks to generate a pressure required for delivery.

Abstract: The present disclosure relates to a method and apparatus for representing dynamic neural radiance fields from unsynchronized videos. A method of acquiring a video at an arbitrary viewpoint based on a dynamic neural radiance fields model according to an embodiment of the present disclosure may comprise: inputting one or more videos acquired from one or more views for one scene into the dynamic neural radiance fields model; inputting a time embedding for the one or more videos into the dynamic neural radiance fields model; and rendering the video at the arbitrary viewpoint based on color information and density information output by the dynamic neural radiance fields model. Herein, time synchronization related to the time embedding may be performed by applying an individual time offset learned for each view, for the one or more views.

Abstract: Disclosed is a method for producing hyaluronidase or a variant thereof. Specifically, the method is capable of changing the N-glycan levels under culture conditions including a controlled concentration of glucose in the culture medium and a decreased culture temperature for a specific culture time period, thereby increasing the specific activity by 10% or more and improving the quality and production yield.

Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: A semiconductor light emitting device includes a plurality of light emitting structures, an isolation layer covering side surfaces of the plurality of light emitting structures and insulating the plurality of light emitting structures from one another, a partition layer formed on the isolation layer, a first protective layer covering top surfaces of the plurality of light emitting structures and side walls of the partition layer, a reflective layer covering the first protective layer and disposed on the side walls of the partition layer, and a second protective layer covering the reflective layer.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: A semiconductor light emitting device includes a plurality of light emitting structures, an isolation layer covering side surfaces of the plurality of light emitting structures and insulating the plurality of light emitting structures from one another, a partition layer formed on the isolation layer, a first protective layer covering top surfaces of the plurality of light emitting structures and side walls of the partition layer, a reflective layer covering the first protective layer and disposed on the side walls of the partition layer, and a second protective layer covering the reflective layer.

Abstract: A semiconductor light emitting device includes a plurality of light emitting structures, an isolation layer covering side surfaces of the plurality of light emitting structures and insulating the plurality of light emitting structures from one another, a partition layer formed on the isolation layer, a first protective layer covering top surfaces of the plurality of light emitting structures and side walls of the partition layer, a reflective layer covering the first protective layer and disposed on the side walls of the partition layer, and a second protective layer covering the reflective layer.

Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.

Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.

Abstract: A backscatter communication method and apparatus based on pattern-based demodulation is disclosed. The backscatter communication method includes receiving a communication signal, and demodulating the communication signal based on a slope of the communication signal at an edge of each time interval.

Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.

Abstract: Disclosed are a communication method and communication apparatus using an ambient backscatter communication. A transmission apparatus may include generating a plurality of bitsets by fragmenting data based on a predetermined bitset length, mapping the plurality of bitsets to a plurality of switching patterns based on a data size, and controlling a reflection of a background radio frequency (RF) signal based on a corresponding mapped switching pattern, a total number of the plurality of switching patterns may be determined based on the bitset length, and each of the plurality of switching patterns may have a different length.

Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.