Abstract: A keypad for an electronic device and manufacturing method thereof having at least one or more ink layers which selectively let pass or cut off a light wavelength of at least one or more light emitting diodes generating light in accordance with an opened or closed direction of a folder. At least one or more light emitting elements for generating light in various colors are provided, and a diffusion ink layer is arranged above the light emitting elements. At least one or more ink layers provided on the diffusion ink layer, wherein the ink layers selectively let passes or cut-off light wavelengths of the light emitting elements when the folder is rotated or slid in a longitudinal or perpendicular direction. A transparent or semi-transparent ink layer is provided on the ink layers, and a sheet film layer is provided on the transparent or semi-transparent ink layer.

Abstract: A mobile communication terminal includes a fixed body, and a movable body coupled with the fixed body. At least one of the fixed body and the movable body has a fragrance member at a portion thereof that generates friction when the movable body moves.

Abstract: A keypad for an electronic device and manufacturing method thereof having at least one or more ink layers which selectively let pass or cut off a light wavelength of at least one or more light emitting diodes generating light in accordance with an opened or closed direction of a folder. At least one or more light emitting elements for generating light in various colors are provided, and a diffusion ink layer is arranged above the light emitting elements. At least one or more ink layers provided on the diffusion ink layer, wherein the ink layers selectively let passes or cut-off light wavelengths of the light emitting elements when the folder is rotated or slid in a longitudinal or perpendicular direction. A transparent or semi-transparent ink layer is provided on the ink layers, and a sheet film layer is provided on the transparent or semi-transparent ink layer.

Abstract: A coating compound and method for a portable electronic apparatus having frequent contact with users, such as a portable terminal, a Portable Multimedia Player (PMP), a Personal Digital Assistant (PDA), or the like. A housing of the portable electronic apparatus has the coating compound coated arranged thereon, and a bead portion is blended and added to the coating compound prior to applying the coating compound onto the housing so that convexes and concaves are formed on and in an outer surface of the housing by the bead portion. The coating method includes manufacturing a housing of the portable electronic apparatus by injection, coating the coating compound onto the manufactured housing, and drying the coating compound coated onto the housing so that particles of acrylic beads and urethane beads included in the coating compound protrude from an outer surface of the housing.

Abstract: An injection preform providing a metallic texture and a fabrication method thereof, in which on a surface of an injection substrate whereon a thin-film primer coating layer (TPPCL) is formed providing the metallic texture formed with various patterns and to preserve the texture on the surface of the injection substrate. The injection preform typically includes: an injection substrate having a surface on which the various patterns are formed by mold discharge corrosion; a TPPCL formed on the surface of the injection substrate to increase reflectivity of the injection substrate, so that the TPPCL provides the metallic texture with various patterns while preserving surface texture of the injection substrate; a non-conductive metal-deposited layer deposited on a surface of the thin film primer coating layer; a color coating layer (CCL) formed on a surface of the non-conductive metal-deposited layer; and a clear layer formed on a surface of the CCL.

Abstract: A spray type gradation system and method wherein an object to be painted is mounted in a jig unit including a rotation shaft. The jig is rotated to position the object to be painted in front of a coloring unit including a first spray gun and a second spray gun. The first and second spray guns spray paints to different portions of the object to be painted.

Abstract: An optical waveguide sheet that has an auxiliary layer for preventing light transmitted through the waveguide sheet from leaking or being lost and a manufacturing method thereof. The waveguide sheet transmits light from a light emitting element thereinto, and has a reflecting pattern for reflecting light forward. At least one auxiliary layer for providing a total reflection condition for preventing the light from leaking or being lost when the light is transmitted into the waveguide sheet is coated on the waveguide sheet.

Abstract: A mobile communication terminal includes a fixed body, and a movable body coupled with the fixed body. At least one of the fixed body and the movable body has a fragrance member at a portion thereof that generates friction when the movable body moves.

Abstract: Disclosed is a method for manufacturing an electronic device using LDS and an electronic manufacturing by the method, in which resin for LDS is adhered to an inner surface of an external case by double injection or insert injection so as to implement a circuit. The electronic device using LDS includes upper and lower external cases, wherein resin for LDS is adhered to an inner surface of the lower external case by double injection or insert injection. Components of the electronic device are mounted on the resin, and the upper and lower external case are assembled with each other.

Abstract: A sliding apparatus of a sliding type portable terminal allows a sliding housing of the sliding type portable terminal to slide in two directions. The sliding apparatus of a sliding type portable terminal includes a main housing including a fixing member and a sliding housing slidably coupled with the main housing. The sliding housing includes a guide part that is engages with the fixing member to guide the sliding housing along a curved path on the main housing in a left direction and a right direction about a central axis of the fixing member.

Abstract: An optical waveguide sheet that has an auxiliary layer for preventing light transmitted through the waveguide sheet from leaking or being lost and a manufacturing method thereof. The waveguide sheet transmits light from a light emitting element thereinto, and has a reflecting pattern for reflecting light forward. At least one auxiliary layer for providing a total reflection condition for preventing the light from leaking or being lost when the light is transmitted into the waveguide sheet is coated on the waveguide sheet.

Abstract: Disclosed is a manufacturing method of a keypad for a mobile phone and the keypad manufactured thereby, in which a vacuum deposition layer and a cellophane paper are attached to a lower surface of a key in the keypad.

Abstract: Disclosed is a plating method which, includes preparing a plating base; printing a plating pattern on a plating surface of the plating base; and plating the plating surface of the plating base. During plating, a plating layer is formed on a portion where the plating pattern is not printed. The method is provided for contributing to diversification of the external appearance of a compact type device such as portable terminals, is capable of printing three-dimensional patterns as well as a trademark and a logo, and is capable of highlighting the metallic texture together with three dimensional solid patterns.

Abstract: A temperature control system for a mold includes a circulation pipe provided in the mold, a heating water circulation section to provide heating water to the circulation pipe to pre-heat the mold, a cooling water circulation section to provide cooling water to the circulation pipe to cool the mold, and a compressed air circulation section to provide compressed air to the circulation pipe to eject remaining heating water or cooling water within the circulation pipe. The compressed air circulation section is adapted to supply the compressed air to the circulation pipe to eject remaining fluid within the circulation pipe before heating water or cooling water is provided to the circulation pipe.

Abstract: Provided are a color tinted clear coating composition and a method for producing the same. The color tinted clear coating composition expressing a color in a semi-transparent state is produced by adding a high-concentration liquid pigment to an Ultraviolet (UV) indurative clear paint at a rate of 20% or less, inserting a resultant product into a mixer, and mixing the resultant product until a desired color is expressed, and is coated onto the surface of a transparent or semi-transparent injection preform.

Abstract: Disclosed is a manufacturing method of a keypad for a mobile phone and the keypad manufactured thereby, in which a vacuum deposition layer and a cellophane paper are attached to a lower surface of a key in the keypad.

Abstract: Provided is a key for a portable terminal. The key includes a metallic case including a plated layer exposed to the outside of the portable terminal and an electro-forming layer formed on the inner side of the plated layer and a synthetic resin layer formed on the inner side of the electro-forming layer. The synthetic resin layer is formed on the inner side of the electro-forming layer by mounting the metallic case in a mold and performing insert injection. Since the key includes the electro-forming layer made of copper and the plated layer plated on the electro-forming layer on a surface for forming the exterior, it can be easily manufactured and can contribute to improvement of the exterior design of the portable terminal.

Abstract: A pad printing system includes at least one ink color for realizing an image on the surface of a material; at least one copper plate corresponding to the at least one ink color; and a silicon pad for printing the at least one ink color, after being applied to the corresponding copper plate, on the material based on the image to be realized.

Abstract: An antibacterial paint containing 30 ppm of nano silver particles on a surface of an injection preform, a method for manufacturing the same, and a coating method using the same are provided. A nano silver-ethanol dispersion solution is injected into a butanol solution, while agitating it at a high speed to uniformly disperse a nano silver solution into the paint, to prepare a master batch containing nano silver particles. The master batch is injected into an Ultra Violet (UV) clear paint and is continuously agitated at a high speed for a predetermined period of time to obtain an antibacterial UV clear paint, which is used to coat the surface of an injection preform.