Korea Institute of Machinery & Materials

Lg Chem, Ltd

Center for Advanced Meta-materials

Seung-Mo Lee

Jae-Hyun Kim

Bongkyun Jang

Young-Sam Kim

Young-In Yang

Kyoung-Shil Oh

Kwangseop Kim

Ye-Hon Kim

Hak Joo Lee

Chan Soo Kim

Hyun June Jung

Byung-Ik Choi

Yun Hwangbo

Kyung-Sik Kim

Sejeong Won

Ah Hyun Park

Hyun-Sung Park

A stretchable substrate includes a cell and an electrode wiring. The cell is divided by cutting lines to form a plurality of cells. The electrode wiring is continuously provided on the plurality of cells not to cross the cutting line. A cell is connected to a neighboring cell by a connection portion in which a cutting line is not formed, and when a tensile force is applied, the cell is hinge-rotated around the connection portion, and the electrode wiring maintains a continuous state even when the cell is hinged.

Stretchable substrate and method of controlling device spacing using the same

A method for transferring a micro device on a curved surface according to an exemplary embodiment of the present invention includes: coating an adhesive layer on an external circumferential surface of a tube; providing a micro device pattern on one side of a substrate; positioning an external circumferential surface of the tube to contact the substrate and allow a length direction of the device pattern to cross a radius direction of the tube, and rotating the tube with respect to an axis-direction of the tube and simultaneously moving at least one of the tube and the substrate in a rectilinear way to transfer the micro device pattern on the substrate to the adhesive layer; and fixing the transferred micro device pattern to the adhesive layer by curing the adhesive layer.

Method for transferring micro device on curved surface and apparatus for transferring micro device on curved surface

A film transferring method according to an embodiment of the present invention of transferring a film adhered to a substrate to a roller in a state that a first adhesion force between the roller and the film and a second adhesion force between the film and the substrate are substantially the same includes: a transporting step of transporting the substrate and the film of which a first adhesion surface formed on one surface is adhered to the substrate in a first direction; a close contacting step of closely contacting the front end of the second adhesion surface formed on the other surface of the film that is transported with the roller rotating in the first rotation direction; and a transferring step of peeling the film from the substrate and simultaneously transferring it to the roller by peeling the front adhesion surface of the first adhesion surface from the substrate, while simultaneously transferring the front end of the second adhesion surface to the roller and continuously transporting the substrate in the first direction, wherein a first weak adhesion force that is smaller than the second adhesion force is formed between the front adhesion surface and the substrate.

Method of transferring film

A selective transfer roll stamp is provided which rotates on a source substrate to selectively transfer elements arranged on the source substrate. The selective transfer roller stamp includes: a roller unit rotating about an axis of rotation and including projecting portions protruding in a radial direction and recessed portions formed between neighboring projecting portions; and an adhesive layer formed on the outer circumferential surface of the roller unit and coming into contact with the elements, wherein the outer circumferential surface of the adhesive layer is made flat in a circumferential direction.

Selective transfer roll stamp

Disclosed is a method of preparing a superabsorbent polymer, including a) subjecting a monomer composition composed of a water-soluble ethylenic unsaturated monomer and a polymerization initiator to thermal polymerization or photopolymerization, thus preparing a hydrous gel polymer, b) drying the hydrous gel polymer, c) grinding the dried hydrous gel polymer, d) adding the ground hydrous gel polymer with particles having i) a BET specific surface area of 300 to 1500 m/g and ii) a porosity of 50% or more and with a surface crosslinking agent, and e) performing a surface crosslinking reaction.

Method for preparing super absorbent resin

Disclosed herein are a superabsorbent polymer resin incorporated with a particles meeting the following properties i) to ii): i) a BET specific surface area of 300 to 1500 m/g, ii) a porosity of 50% or more, and a method for preparing the same.

Superabsorbent polymer

Superabsorbent polymer and preparation method therefor

Growing community of inventors

Daejeon, South Korea

Seung-Mo Lee