| Patent application number | Description | Published |
|---|
| 20080267650 | IMAGE FORMING APPARATUS - An image forming apparatus includes a heat roller having a heat source thereinside, at least two press rollers disposed opposite to the heat roller, at least one cam member to move at least one of the press rollers close to the heat roller or away from the heat roller, a driving unit to rotate the cam member, and a control unit to control the driving unit to determine a position of the cam member. A sensor is mounted in an upstream side of the press rollers with respect to a feeding direction of a printing medium to detect a position of the printing medium. When a front end of the printing medium is sensed by the sensor, the control unit controls the driving unit to rotate the cam member. If the cam member rotates, the press rollers interlock with the cam member to move close to the heat roller or away from the heat roller. | 10-30-2008 |
| 20090009057 | QUANTUM DOT OPTICAL DEVICE - Disclosed herein is a quantum dot optical device, including: a substrate; a hole injection electrode; a hole transport layer; a quantum dot luminescent layer; an electron transport layer; and an electron injection electrode, wherein a light-emitting surface of the device has a periodical projection structure. | 01-08-2009 |
| 20090029118 | METHOD OF MULTI-STAGE SUBSTRATE ETCHING AND TERAHERTZ OSCILLATOR MANUFACTURED USING THE SAME METHOD - A method of multi-stage substrate etching and a terahertz oscillator manufactured by using the method are provided. The method comprises the steps of forming a first mask pattern on any one surface of a first substrate, forming a hole by etching the first substrate using the first mask pattern as an etching mask, bonding, to the first substrate, a second substrate having the same thickness as a depth to be etched, forming a second mask pattern on the second substrate bonded, forming a hole by etching the second substrate using the second mask pattern as an etching mask, and removing an oxide layer having the etching selectivity between the first substrate and the second substrate, whereby the etched bottom is made uniformly even in a deep step, the edge curvature is minimized, and a T-shape is prevented from being formed on the etched wall face to thereby improve the etching quality. Further, the etching depth is previously controlled by lapping or polishing, the upper and lower substrates are precisely boned to each other using the alignment key, and a multi-layer processing is possibly performed thereto, so that the precision and the uniformity in structure of the oscillator or amplifier is obtained. | 01-29-2009 |
| 20090045720 | Method for producing nanowires using porous glass template, and multi-probe, field emission tip and devices employing the nanowires - Disclosed herein is a method for producing nanowires, which features the use of a porous glass template in combination with a solid-liquid-solid or vapor-liquid-solid process for growing nanowires which are highly straight and have nanoparticles precisely arranged therein. The nanowires can be grown into composite structures of superlattices and hybrids by modulating the composition of the materials provided thereto. Also disclosed is the use of the nanowires in multi-probes, field emission tips, and devices. | 02-19-2009 |
| 20090098790 | Field emission display (FED) and method of manufacture thereof - A Field Emission Display (FED) and a method of manufacturing the FED are provided. The FED includes a substrate; a plurality of under-gate electrodes formed parallel to one another on a top surface of a substrate; a plurality of cathode electrodes formed perpendicular to the under-gate electrodes on an upper portion of the under-gate electrode, each of cathode holes being formed in portions of the cathode electrodes that intersect with the under-gate electrodes; a plurality of emitters formed symmetrical with respect to centers of the cathode holes on the cathode electrodes; and a plurality of gate electrodes formed to be electrically connected to the under-gate electrodes in central portions of the cathode holes. | 04-16-2009 |
| 20090135579 | TOUCH PAD HAVING ELECTROMAGNETIC INTERFERENCE SHIELDING PLATE - A touch pad including an ElectroMagnetic Interference (EMI) shielding plate and method for detecting a touch on the touch pad is provided. The touch pad includes a touch plate for generating, when a touch is generated on a surface of the touch plate, a change of a physical property, a touch sensor coupled to the touch plate for detecting a position of the generated touch by measuring the change of the physical property, and an EMI shielding plate disposed adjacent to or attached to a surface of the touch plate and formed with a plurality of openings. The density of the openings formed at a position of the EMI shielding plate increases as the position becomes farther from the touch sensor. Accordingly, the touch pad having an EMI shielding plate can more accurately detect a touch generated at any position close to or remote from the touch sensor of the touch pad, and thereby increase user convenience of a portable terminal. | 05-28-2009 |
| 20090289542 | Electron beam focusing electrode and electron gun using the same - An electron beam focusing electrode and an electron gun using the same may include a plate having a polygonal through-hole; at least a projecting portion formed on at least one side of the through-hole. By using the electron beam focusing electrode, a spreading phenomenon of an electron beam having a rectangular cross section may be reduced. Further, the output of the electron gun may be increased, and electron beams may be easily focused. | 11-26-2009 |
| 20100112018 | Microcapsule, structure having a microcapsule, article having a microcapsule, and method of preparing microcapsules - A microcapsule, a structure including a microcapsule, an article including a microcapsule and a method of preparing microcapsules provided, the microcapsule includes at least one material selected from the group consisting of a magnetic substance, a dielectric substance and a combination thereof. The microcapsule also includes a volatile material. | 05-06-2010 |
| 20100117034 | Organic semiconductor material using CNTs increased, organic semiconductor thin film using the same and organic semiconductor device employing the thin film - Example embodiments of the present invention relate to an organic semiconductor material using carbon nanotubes having increased semiconductivity, an organic semiconductor thin film using the same and an organic semiconductor device employing the thin film. By using the organic semiconductor material according to example embodiments of the present invention, a room-temperature wet process may be applied and a high-performance organic semiconductor device capable of simultaneously exhibiting increased electrical properties is provided. | 05-13-2010 |
| 20100147807 | Electron beam annealing apparatuses and annealing methods using the same - Electron beam annealing apparatuses for annealing a thin layer on a substrate and annealing methods using the apparatuses are provided. The electron beam annealing apparatuses may include an electron beam scanning unit that may scan a pulsed electron beam onto a substrate. | 06-17-2010 |
| 20100208152 | 2D/3D switchable integral imaging systems - An integral imaging system may include a lens unit. The lens unit may include a first substrate; a second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a liquid crystal layer between the first and second substrates; and an array of nanostructures protruding from the first substrate into the liquid crystal layer. The first and second electrodes may be configured to apply one or more voltages to the array of nanostructures. When the one or more voltages are applied to the array of nanostructures, one or more electric fields may be formed between the array of nanostructures and the second electrode, varying an arrangement of molecules in the liquid crystal layer and forming a refractive index distribution in the liquid crystal layer. | 08-19-2010 |
| 20100208493 | LIGHT GUIDE PLATE AND DISPLAY APPARATUS COMPRISING THE SAME - A light guide plate includes a plurality of quantum dots on at least one of a surface of the light guide plate and inside the light guide plate, wherein the plurality of quantum dots emit light having a different wavelength than a light incident thereto. | 08-19-2010 |
| 20100320439 | Carbon nanotube structure and method of vertically aligning carbon nanotubes - A Carbon NanoTube (CNT) structure includes a substrate, a CNT support layer, and a plurality of CNTs. The CNT support layer is stacked on the substrate and has pores therein. One end of each of the CNTs is attached to portions of the substrate exposed through the pores and each of the CNTs has its lateral sides supported by the CNT support layer. A method of vertically aligning CNTs includes: forming a first conductive substrate; stacking a CNT support layer having pores on the first conductive substrate; and attaching one end of the each of the CNTs to portions of the first conductive substrate exposed through the pores. | 12-23-2010 |
| 20110030766 | Solar energy utilizing apparatuses and methods of manufacturing the same - A solar energy utilizing apparatus includes: a fluid pipe forming a flow path of a heat medium and including a convex surface; and a solar cell formed on the convex surface of the fluid pipe. In a method of manufacturing a solar energy utilizing apparatus, a first substrate including a first surface and a second surface is formed. The first surface has a plurality of convex surfaces and the second surface has a plurality of concave surfaces. A plurality of solar cells are formed on the convex surfaces, respectively. A second substrate is formed, and the second substrate is bonded to the first substrate. | 02-10-2011 |
| 20110030790 | Solar cell modules and methods of manufacturing the same - A solar cell module includes an upper substrate including a cylindrical lens is disposed on a lower substrate to cover a solar cell. The cylindrical lens focuses incident light onto the solar cell. In a method of manufacturing the solar cell module, a solar cell is formed on a lower substrate by sequentially depositing a first material layer, a second material layer, and a second electrode onto the first electrode. An upper substrate including a cylindrical lens is adhered to or formed on the lower substrate. | 02-10-2011 |
| 20110090025 | Electromagnetic wave transmission filters and electromagnetic cameras including the same - An electromagnetic wave transmission filter may include a substrate and one or more coils. The one or more coils may be at least partly disposed in an opening through the substrate. An electromagnetic camera may include an electromagnetic wave detector array, including a plurality of detector cells for detecting electromagnetic waves, and an electromagnetic wave transmission filter disposed in front of the electromagnetic wave detector array to provide each of the detector cells with an electromagnetic wave of a certain wavelength. The electromagnetic wave transmission filter may includes a substrate and a plurality of coils. At least one of the plurality of coils may be at least partly disposed in each of a plurality of openings through the substrate. | 04-21-2011 |
