Abstract: A three-dimensional retinal stimulation device includes a substrate having a top surface, a bottom surface, and a plurality of edges connecting the top surface and the bottom surface to each other; and a plurality of electrodes disposed between the top surface and the bottom surface, wherein the plurality of edges include inclined surfaces with respect to the top surface and the bottom surface.

Abstract: A retinal electrode device according to an embodiment comprises: a base, a first wing connected to a first side part of the base, wherein a first folding line is defined between the base and the first wing, and a plurality of electrodes installed on at least one of the base and the first wing, wherein the retinal electrode device may be configured to have a first form in which the first wing is folded on the base along the folding line and a second form in which the first wing is unfolded on the base along the folding line.

Abstract: A three-dimensional electrode device and a method for manufacturing the same are disclosed. A three-dimensional electrode device as disclosed can be in close contact with target cells in a retina without damaging the retina to apply electrical stimulation to the retina. The three-dimensional electrode device can include a board prepared to be inserted into a photoreceptor layer in an eyeball and formed of a transparent material; and a plurality of electrodes formed on the board and configured to stimulate a retina. The board can be prepared to be deformed corresponding to a shape of the retina and configured to make the electrodes be in close contact with the retina.

Abstract: A coating composition includes a graphene oxide and a solvent. At least one of a carboxyl group and an epoxide group of the graphene oxide is functionalized by an amine. The amine has an activation energy to an epoxide group of the graphene oxide of about ?3 kcal/mol to about 8 kcal/mol. A method of forming a stacked structure using the coating composition is provided. A method of manufacturing a display device using the coating composition is provided.

Abstract: A seat backrest is provided, comprising a framework (1) including an upper portion (10), a lower portion (20), a central support portion (40) and two side portions (30) formed integrally by injection molding a thermoplastic material; and an elongated reinforcement (60) embedded in the side portion (30) and the central support portion (40) by overmolding and extending along the side portion (30), the reinforcement (60) being configured to bend along a boundary (35) between the side portion (30) and the central support portion (40). A seat including the backrest is also provided.

Abstract: A three-dimensional electrode device and a method for manufacturing the same are disclosed. A three-dimensional electrode device as disclosed can be in close contact with target cells in a retina without damaging the retina to apply electrical stimulation to the retina. The three-dimensional electrode device can include a board prepared to be inserted into a photoreceptor layer in an eyeball and formed of a transparent material; and a plurality of electrodes formed on the board and configured to stimulate a retina. The board can be prepared to be deformed corresponding to a shape of the retina and configured to make the electrodes be in close contact with the retina.

Abstract: A seat backrest is provided, comprising a framework (1) including an upper portion (10), a lower portion (20), a central support portion (40) and two side portions (30) formed integrally by injection molding a thermoplastic material; and an elongated reinforcement (60) embedded in the side portion (30) and the central support portion (40) by overmolding and extending along the side portion (30), the reinforcement (60) being configured to bend along a boundary (35) between the side portion (30) and the central support portion (40). A seat including the backrest is also provided.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes performing a video call with another terminal, recognizing, by the mobile communication terminal, a shaking of the other terminal using images received from the other terminal, and generating a vibration of the mobile communication terminal corresponding to the recognized shaking of the other terminal.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes performing a video call with another terminal, recognizing, by the mobile communication terminal, a shaking of the other terminal using images received from the other terminal, and generating a vibration of the mobile communication terminal corresponding to the recognized shaking of the other terminal.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes performing a video call with another terminal, recognizing, by the mobile communication terminal, a shaking of the other terminal using images received from the other terminal, and generating a vibration of the mobile communication terminal corresponding to the recognized shaking of the other terminal.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes identifying, by the mobile communication terminal performing a video call with a calling terminal, information of emotion expression in images received from the calling terminal, and generating, by the mobile communication terminal, an event corresponding to the identified information of emotion expression.

Abstract: A method for separating carbon nanotubes is disclosed where nanotubes with specific properties are separated from a mixture of nanotube products, which contains various types of nanotubes and impurities.

Abstract: A method for separating carbon nanotubes is disclosed where nanotubes with specific properties are separated from a mixture of nanotube products, which contains various types of nanotubes and impurities.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes identifying, by the mobile communication terminal performing a video call with a calling terminal, information of emotion expression in images received from the calling terminal, and generating, by the mobile communication terminal, an event corresponding to the identified information of emotion expression.

Abstract: A message sending/receiving method for mobile terminals is disclosed. The method includes: sending a message having puzzle setting information as a puzzle message; receiving the puzzle message and setting a puzzle; and displaying, if the puzzle is solved, a message content of the puzzle message. As a result, the recipient user problem solving capacity is stimulated through puzzle solving, and provide a security function for messages.

Abstract: The present invention relates to a polyamide resin composition having excellent weather resistance and coating adhesion property and more particularly, to the polyamide resin composition capable of direct painting without pretreatment of primer and maintaining excellent weather resistance for a long period of exposure outside by adding an appropriate amount of a weathering stabilizer and a coating adhesion improver.

Abstract: The present invention is related to a polyamide resin composition having an excellent gasoline resistance and impact resistance at a low temperature, and more particularly, to the polyamide resin composition comprising a general polyamide resin as an active ingredient; an impact modifier for dispersion such as EPM (ethylene/propylene) rubber, EPR (ethylene/propylene rubber) and EPDM (ethylene/propylene/diene) rubber; a plasticizer for providing flexibility such as lactams and sulfonamides; a thickener for uniform processability; and an ionomer for improving the appearance, elongation and impact strength, thus exhibiting advantages over conventional polyamide resins reinforced with an elastomer in excellent flexibility and appearance; superior gasoline resistance and impact resistance at a low temperature; better price as compared to its functions and thus enabling to be used in fuel tube systems of an automobile.

Abstract: The present invention relates to a polyamide resin composition having excellent weather resistance and coating adhesion property and more particularly, to the polyamide resin composition capable of direct painting without pretreatment of primer and maintaining excellent weather resistance for a long period of exposure outside by adding an appropriate amount of a weathering stabilizer and a coating adhesion improver.