Abstract: The present invention relates to a cello endpin, and a cello support frame constituting a core part of the endpin comprises an inner part formed from a metal rod made of brass and an outer part formed from a carbon pipe.

Abstract: Provided is an Al—Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics since excellent hardness uniformity of a TWB weld zone after hot forming is obtained by suitably controlling a batch annealing condition, after plating Al, such that an Al—Fe-alloy layer is formed; a hot forming member; and manufacturing methods therefor.

Abstract: The liquefied gas storage tank includes a primary barrier, a primary insulation wall, a secondary barrier, and a secondary insulation wall. In a state where unit elements are arranged adjacent to each other, each of the unit elements being formed by stacking the secondary insulation wall, the secondary barrier, and a fixed insulation wall which is a part of the primary insulation wall, the primary insulation wall may comprise: a connection insulation wall provided in the space between the adjacent fixed insulation walls; first slits formed between the fixed insulation walls and the connection insulation wall when the connection insulation wall is inserted and installed between the adjacent fixed insulation walls; a plurality of second slits formed in a lengthwise direction and a widthwise direction of the fixed insulation walls; and a first insulating filler material for filling the first slits.

Abstract: A manufacturing method of a light emitting diode apparatus is provided. This method includes forming a light emitting diode on the substrate, forming a light leakage preventing layer to surround the side surface of the light emitting diode, etching a region corresponding to the light emitting diode in the substrate, and bonding a wavelength converting material to a lower portion of the light emitting diode in the etched region, in which the wavelength converting material includes a semiconductor layer including a quantum well layer.

Abstract: An apparatus for constructing a library for deriving a material composition using empirical result, which enables acceleration of research on the material-properties relationship. By applying the empirical results of the material composition, missing data of the material compositions can be statistically calculated by using supervised non-linear imputation techniques. The completed composition information of the materials is passed as an input of machine learning material-properties relationship prediction.

Abstract: A manufacturing method of a light emitting diode apparatus is provided. This method includes forming a light emitting diode on the substrate, forming a light leakage preventing layer to surround the side surface of the light emitting diode, etching a region corresponding to the light emitting diode in the substrate, and bonding a wavelength converting material to a lower portion of the light emitting diode in the etched region, in which the wavelength converting material includes a semiconductor layer including a quantum well layer.

Abstract: A manufacturing method of a light emitting diode apparatus is provided. This method includes forming a light emitting diode on the substrate, forming a light leakage preventing layer to surround the side surface of the light emitting diode, etching a region corresponding to the light emitting diode in the substrate, and bonding a wavelength converting material to a lower portion of the light emitting diode in the etched region, in which the wavelength converting material includes a semiconductor layer including a quantum well layer.

Abstract: The present invention relates to a hard coating including an MT-TiCN layer and an ?-alumina layer which are formed by using a chemical vapor deposition method. A hard coating for cutting tools, which is a coating formed on a base material of a cutting tool formed of a hard material, the coating comprising: a TiCN layer; and an ?-alumina layer formed on the TiCN layer, wherein: the ?-alumina layer has a main peak (maximal strength peak) of (006) plane located between 20-40 degrees during a psi rocking analysis by an XRD; a residual stress in the ?-Al2O3 layer is ?0.9-0.4 GPa; the TiCN layer is composed of TiCxNyOz (x+y+z?1, x>0, y>0, z?0); a composition ratio of C/(C+N) is greater than or equal to 0.4 and smaller than 0.5; the ratio of TC(220)/TC(422) is smaller than 0.45; and the ratio of TC(220)/TC(311) is less than 0.45.

Abstract: A method of manufacturing a light emitting diode (LED) is provided. The method includes forming an n-type semiconductor layer on a substrate, forming an n-type electrode in a first region of the n-type semiconductor layer, forming an active layer in a second region of the n-type semiconductor layer, the second region being a region other than the first region, forming a p-type semiconductor layer on the active layer, and forming a resistance layer by etching regions of the active layer and the p-type semiconductor layer.

Abstract: A tiled display system apparatus including a plurality of display apparatuses and a method for processing images thereof are provided. The tiled display apparatus includes: a plurality of display apparatuses configured to display an image, each display apparatus of the plurality of display apparatuses including a display panel including: an activated area, an inactivated area which is bent from the activated area, and a bending area provided between the activated area and the inactivated area; and an optical member provided on the bending area, the optical member configured to output light emitted from the bending area, wherein each of the plurality of display apparatuses is configured to correct a portion of the image corresponding to the light emitted from the bending area.

Abstract: A method of manufacturing a light emitting diode (LED) is provided. The method includes forming an n-type semiconductor layer on a substrate, forming an n-type electrode in a first region of the n-type semiconductor layer, forming an active layer in a second region of the n-type semiconductor layer, the second region being a region other than the first region, forming a p-type semiconductor layer on the active layer, and forming a resistance layer by etching regions of the active layer and the p-type semiconductor layer.

Abstract: A manufacturing method of a light emitting diode apparatus is provided. This method includes forming a light emitting diode on the substrate, forming a light leakage preventing layer to surround the side surface of the light emitting diode, etching a region corresponding to the light emitting diode in the substrate, and bonding a wavelength converting material to a lower portion of the light emitting diode in the etched region, in which the wavelength converting material includes a semiconductor layer including a quantum well layer.

Abstract: An LED display module, a display apparatus, and a method for controlling the LED display module and the display apparatus are provided. The LED display module includes a plurality of first LEDs arranged in a first line and a plurality of second LEDs arranged in a second line; a plurality of source interfaces, each of which is commonly connected to an anode of a corresponding one of the plurality of first LEDs and a cathode of a corresponding one of the plurality of second LEDs arranged in the same column as the corresponding one of the plurality of first LEDs; and a gate interface commonly connected to a cathode of each of the plurality of the first LEDs and an anode of each of the plurality of the second LEDs.

Abstract: An LED display module, a display apparatus, and a method for controlling the LED display module and the display apparatus are provided. The LED display module includes a plurality of first LEDs arranged in a first line and a plurality of second LEDs arranged in a second line; a plurality of source interfaces, each of which is commonly connected to an anode of a corresponding one of the plurality of first LEDs and a cathode of a corresponding one of the plurality of second LEDs arranged in the same column as the corresponding one of the plurality of first LEDs; and a gate interface commonly connected to a cathode of each of the plurality of the first LEDs and an anode of each of the plurality of the second LEDs.

Abstract: The present invention relates to a hard coating including an MT-TiCN layer and an ?-alumina layer which are formed by using a chemical vapor deposition method. A hard coating for cutting tools, which is a coating formed on a base material of a cutting tool formed of a hard material, the coating comprising: a TiCN layer; and an ?-alumina layer formed on the TiCN layer, wherein: the ?-alumina layer has a main peak (maximal strength peak) of (006) plane located between 20-40 degrees during a psi rocking analysis by an XRD; a residual stress in the ?-Al2O3 layer is ?0.9-0.4 GPa; the TiCN layer is composed of TiCxNyOz (x+y+z?1, x>0, y>0, z?0); a composition ratio of C/(C+N) is greater than or equal to 0.4 and smaller than 0.5; the ratio of TC(220)/TC(422) is smaller than 0.45; and the ratio of TC(220)/TC(422) is less than 0.45.

Abstract: An LED display apparatus includes a plurality of light emitting diodes; a first microlens array disposed at an upper side of the plurality of light emitting diodes, the first microlens array comprising a plurality of first microlenses which corresponds to the plurality of light emitting diodes one-to-one and is configured to combine light received from the plurality of light emitting diodes into light bundles; and a second microlens array disposed at an upper side of the first microlens array, the second microlens array comprising a plurality of second microlenses, a number of which is larger than a number of the first microlenses included in the first microlens array, each of the plurality of second microlenses configured to cause a convergence of light that has propagated through the first microlens array.

Abstract: An LED display module, a display apparatus, and a method for controlling the LED display module and the display apparatus are provided. The LED display module includes a plurality of first LEDs arranged in a first line and a plurality of second LEDs arranged in a second line; a plurality of source interfaces, each of which is commonly connected to an anode of a corresponding one of the plurality of first LEDs and a cathode of a corresponding one of the plurality of second LEDs arranged in the same column as the corresponding one of the plurality of first LEDs; and a gate interface commonly connected to a cathode of each of the plurality of the first LEDs and an anode of each of the plurality of the second LEDs.

Abstract: A display apparatus includes a main panel which displays video, a sub panel which projects and provides the video displayed on the main panel by including a first lens array and a second lens array facing the first lens array so as to share a focus with the first lens array, a hinge which connects the sub panel and the main panel in a manner in which the sub panel is displaceable from the main panel according to user manipulation, a sensor which senses angles formed by the main panel and the sub panel, and a controller which controls so that the video is adjusted based on the sensed angles and displayed on the main panel.

Abstract: A transflective image display apparatus includes a transmissive polarizing plate; a color filter disposed below the transmissive polarizing plate and including a white color filter and at least two of a red color filter, a green color filter, and a blue color filter; a liquid crystal display panel disposed below the color filter; an electrical polarization control unit disposed below the liquid crystal display panel; a reflective polarizing plate disposed below the electrical polarization control unit; a backlight unit disposed below the reflective polarizing plate and including a white light source and a light source configured to emit light corresponding to at least one of the red color filter, the green color filter, and the blue color filter; and a controller configured to control the liquid crystal display panel, the electrical polarization control unit, and the backlight unit periodically in at least two states according to a predetermined condition.

Abstract: An LED display apparatus includes a plurality of light emitting diodes; a first microlens array disposed at an upper side of the plurality of light emitting diodes, the first microlens array comprising a plurality of first microlenses which corresponds to the plurality of light emitting diodes one-to-one and is configured to combine light received from the plurality of light emitting diodes into light bundles; and a second microlens array disposed at an upper side of the first microlens array, the second microlens array comprising a plurality of second microlenses, a number of which is larger than a number of the first microlenses included in the first microlens array, each of the plurality of second microlenses configured to cause a convergence of light that has propagated through the first microlens array.