Abstract: A method of manufacturing a polyimide film includes: extruding a polyimide film including polyimide and a solvent; first drying the extruded polyimide film; stripping the first-dried polyimide film; second drying the stripped polyimide film to remove a residual solvent in the polyimide film; and stretching the second-dried polyimide film, wherein an amount of the residual solvent in the second-dried polyimide film is equal to or less than about 10 weight percent.

Abstract: A method for creating handwriting content is provided. The method includes displaying handwriting letters being input, extracting at least one candidate handwriting word stored in advance in response to the input handwriting letters, displaying the extracted at least one candidate handwriting word, and replacing the input handwriting letters with a candidate handwriting word selected from among the displayed at least one candidate handwriting word.

Abstract: An intelligent information providing method and terminal are provided. The method includes detecting a pen touch input; determining an environment in which the pen touch input is made; collecting information corresponding to the pen touch input; building a context model for the collected information, in consideration of the environment in which the pen touch input is made; and providing inference information corresponding to the built context model.

Abstract: A method of providing a Graphical User Interface (GUI) is provided. The method includes receiving an image to be used for the GUI, and selecting one or more object areas to be used for the GUI from the image, setting a GUI icon corresponding to the selected object area, and outputting the set GUI as a home screen for executing at least one of application on a display of the terminal.

Abstract: A polyimide precursor composition, including a polyamic acid including a repeating unit represented by Chemical Formula 1 and transparent metal oxide nanoparticles coordinated to a ligand represented by RCOOH, wherein R is a linear or branched C1-C4 alkyl or a linear or branched C2-C4 alkenyl: wherein variables Cy, A3, R31, and n34 in Chemical Formula I are described in the specification.

Abstract: A method for quickly executing an application on a lock screen in a mobile device is provided. The method includes displaying a lock screen on which a plurality of executable objects are displayed; receiving an unlock command by an input means; determining whether the received unlock command coincides with a preset unlock command; unlocking the lock screen if the received unlock command coincides with the preset unlock command; and executing an application associated with an object corresponding to a last position of the input means. By doing so, the mobile device may quickly execute an application upon unlocking.

Abstract: A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0?x?1.

Abstract: A portable terminal and a method for protecting a displayed object on a screen of a portable terminal are provided. The method includes detecting an input on the screen; forming an area corresponding to a position of the detected input; and displaying a part of an object corresponding to the formed area differently from another part of the object in an area outside of the formed area.

Abstract: A method of writing content through a writing input on a touch screen is provided. The method includes displaying written input content according to a writing input detection and identifying whether there is a proofreading mode control, and when there is the proofreading mode control, entering a proofreading mode, displaying the written input content according to the writing input detection, identifying a proofreading mark in the written input content, and applying an editing content corresponding to the proofreading mark, so as to proofread the written content.

Abstract: A method of processing an image is provided. The method includes identifying edge components of a background image by a unit of a predetermined size, identifying input coordinate points of a touch input which is input on a touch screen, determining distorted coordinate points by applying the edge components to the input coordinate points, and displaying a drawing image formed by connecting the distorted coordinate points, on the background image.

Abstract: Methods for preparing uniformly sized micropanicles, with an optional polymeric coating generally include: 1) providing nanoparticles, preferably having a size of between 1 nm and 100 nm; 2) adding a hydrophobic surface layer to the nanoparticles; 3) making a suspension of the hydrophobic nanoparticles and a polymerization initiator in an hydrophobic solvent; 4) dissolving a monomer in the hydrophobic solvent; 5) making an emulsion by dispersing droplets of the hydrophobic solvent in a continuous aqueous phase with an emulsifier; 6) sizing the first emulsion to provide a second emulsion of the same components in which the droplets are substantially uniform and between 2 and 20 um in size; 7) evaporating at least a substantial portion of the dispersed hydrophobic droplets to assemble nanoparticles to form micropanicles suspended now in the aqueous phase; 8) replacing the first surfactant with a second surfactant, which is preferably a polymerizable surfactant; 9) adding a polymerizable monomer to the aqueous p

Abstract: A method and apparatus for inputting characters using a touch keypad with a plurality of keys are provided, in which upon detection of a user's touch on one of the plurality of keys, a character corresponding to the touched key is acquired, a pop-up character set is generated using the acquired character and a character which has been completely input before the user's touch and displayed in an input character display area, and a touch pop-up including the pop-up character set is displayed in the vicinity of the touched key.

Abstract: A digital signature authentication method and a digital signature authentication apparatus are provided in which a digital signature received from a user is structured and embedded into an agreement information file so that the digital signature may be managed safely and effectively. The method includes displaying an agreement information file and receiving the digital signature from a user; extracting signature data from the digital signature; and embedding the signature data into the agreement information file.

Abstract: A graphic processing apparatus for updating a graphic screen and a method thereof are provided. The apparatus includes an object information calculator for calculating object information of an object input into the graphic screen; an object area calculator for calculating object area information of the input object; and a controller for storing object management information matched with the calculated object information and the calculated object area information, updating object management information of an object edited by an object editing, and then updating the graphic screen by using the updated object management information.

Abstract: A method of providing a blurred image includes receiving a target image to which a blur effect is to be applied; receiving blur effect information for generating the blur effect in the target image; calculating a sum image for respective pixels of the target image; applying a mean filter to the target image by using the sum image based on the blur effect information; and providing a blurred image formed by applying the mean filter.

Abstract: A composition for a light emitting body-polymer composite, the composition including a light emitting body; and a cross-linkable composition including a monomer represented by Chemical Formula 1. A light emitting body-polymer composite prepared by cross-linking the composition and a light emitting device including the light emitting body-polymer composite are also provided.

Abstract: A method and apparatus for sharing information in a virtual space are provided. Upon receiving a bulletin space-generation request, generating a bulletin space and displays the bulletin space on a screen. Upon receiving a bulletin content-creation request, executing a bulletin content-creation tool stored in the memory unit and displaying the bulletin content-creation tool on the screen. When a bulletin content is created by the bulletin content-creation tool, storing the created bulletin content corresponding to the bulletin space and displaying the bulletin content on the screen.

Abstract: A composition for a polarization film including a polyolefin component including polypropylene and a polyethylene-polypropylene copolymer; and a dichroic dye.

Abstract: A composition for a light emitting body-polymer composite, the composition including a light emitting body; and a cross-linkable composition including a monomer represented by Chemical Formula 1. A light emitting body-polymer composite prepared by cross-linking the composition and a light emitting device including the light emitting body-polymer composite are also provided.

Abstract: Methods for preparing uniformly sized microparticles, with an optional polymeric coating generally include: 1) providing nanoparticles, preferably having a size of between 1 nm and 100 nm; 2) adding a hydrophobic surface layer to the nanoparticles; 3) making a suspension of the hydrophobic nanoparticles and a polymerization initiator in an hydrophobic solvent; 4) dissolving a monomer in the hydrophobic solvent; 5) making an emulsion by dispersing droplets of the hydrophobic solvent in a continuous aqueous phase with an emulsifier; 6) sizing the first emulsion to provide a second emulsion of the same basic components but in which the droplets are substantially uniform and between 2 and 20 ?m in size; 7) evaporating at least a substantial portion of the dispersed hydrophobic droplets to assemble nanoparticles to form microparticles suspended now in the aqueous phase; 8) optionally replacing the first surfactant with a second surfactant, which is preferably a polymerizable surfactant; 9) optionally adding a poly