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Hyung Ju
Hyung Ju Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110188253 | Optically Open Stacked Type Subminiature Optical Device - An optically open stacked type subminiature optical device according to the present invention has an independent aperture stop structure to enable designing of a stable small optical device having an optical open cover structure, thus improving optical performance. Further, the optically open stacked type subminiature optical device of the present invention is configured in that the aperture stop structure is assembled with another structure into a stacked structure to establish a stable assembly together with the cover structure, thereby allowing for ease of assembly and improving productivity. | 08-04-2011 |
Hyung Ju Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090166842 | LEADFRAME FOR SEMICONDUCTOR PACKAGE - A semiconductor package including a lead frame comprising a frame including both a ground ring and a chip mounting board located therein. Extending between the ground ring and the chip mounting board are a plurality of elongate slots or apertures. The ground ring is formed to include recesses within the bottom surface thereof which create regions of reduced thickness. A semiconductor chip bonded to the chip mounting board may be electrically connected to leads of the lead frame and to the ground ring via conductive wires. Those conductive wires extending to the ground ring are bonded to the top surface thereof at locations which are not aligned with the recesses within the bottom surface, i.e., those regions of the ground ring of maximum thickness. | 07-02-2009 |
| 20110140250 | LEADFRAME FOR SEMICONDUCTOR PACKAGE - A semiconductor package including a lead frame comprising a frame including both a ground ring and a chip mounting board located therein. Extending between the ground ring and the chip mounting board are a plurality of elongate slots or apertures. The ground ring is formed to include recesses within the bottom surface thereof which create regions of reduced thickness. A semiconductor chip bonded to the chip mounting board may be electrically connected to leads of the lead frame and to the ground ring via conductive wires. Those conductive wires extending to the ground ring are bonded to the top surface thereof at locations which are not aligned with the recesses within the bottom surface, i.e., those regions of the ground ring of maximum thickness. | 06-16-2011 |
Hyung Ju Park, Pusan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090084686 | Biosensor comprising interdigitated electrode sensor units - The present invention is related to a biosensor for detecting presence and concentration of various bio-materials such as genes and proteins by the electrical method, an interdigitated electrode sensor unit for forming the biosensor and a method for measuring concentration of a bio-material using the biosensor. The biosensor according to the present invention comprises a plurality of (a) independently-operating interdigitated electrode sensor units integrated on a substrate, wherein each interdigitated electrode sensor unit comprise: first electrode and second electrode formed interdigitatedly and spaced from each other on the substrate; and a sensor-immobilized biomolecule receptor immobilized on the substrate exposed between the first electrode and the second electrode so that the first electrode is electrically connected to the second electrode upon binding to a biomolecule and specifically binding to the biomolecule, wherein the biomolecule is analyzed by the number of the (b) interdigitated electrode sensor units electrically connected by the biomolecule captured by the sensor-immobilized biomolecule receptor. | 04-02-2009 |
| 20100098966 | Process for preparing nanogap electrode and nanogap device using the same - The present invention relates to a process of preparing a nanogap electrode and a nanogap device using the same, and a preparing process according to the present invention is characterized in that reduced metal is grown by reduction reaction from a metal ion in solution on the surface of a metal pattern with a predetermined shape. A method of preparing a nanogap electrode according to the present invention has an advantage that nanogap electrodes having a gap distance of 1-100 nm, which are difficult to prepare by a conventional method, can be easily prepared in a reproducible and uniform manner. | 04-22-2010 |
Hyung Ju Yoo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100189553 | TURBO AIR COMPRESSOR SYSTEM - Provided is a turbo air compressor system which is mounted to a rotor or a blade housing of a wind power system to change a path of an air inflow, compress the flowing air, and increase the rotation speed and the rotating force of a rotating member such as a turbine or a blade. When the turbo air compressor system is mounted to the wind power system having a cylinder-shaped rotor, various applications in which a size of the main body and the multistage structure can be changed according to an external environment can be provided in consideration of a size of the rotor and changes in the wind direction and the wind speed. In addition, the cylinder-shaped rotor additionally including a direct ion change device includes rear surface inclined portions, so that air resistances that occur at the wings of the blade or the rotor or drag against the rotation direction can be minimized. | 07-29-2010 |
Hyung-Ju Ahn, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090009687 | Anisotropic Diffusion Sheet - The present invention provides an anistropic diffusion sheet, which comprises: an isotropic diffusion layer for isotropically diffusing the light incident from the light source portion by internal light scattering; and a plurality of reflectors which is disposed at an interval on the upper surface of the isotropic diffusion layer, so as to reflect the light isotropically diffused by the isotropic diffusion layer t the display panel, wherein the , emitted from the light source portion and then becomes incident to the isotropic diffusion layer, is isotropically diffused through the isotropic diffusion layer, the light isotropically illuminated by the isoptropic diffusion layer is the reflected by the plurality of reflector to be anisotropically diffuse, and this anisotropically diffused light becomes incident to the liquid crystal display panel. | 01-08-2009 |
Hyung-Ju Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20120023893 | COOLING DEVICE FOR HIGH TEMPERATURE FLUID, FLIGHT VEHICLE HAVING THE SAME AND COOLING METHOD FOR HIGH TEMPERATURE FLUID - Disclosed are a cooling device for high temperature fluid, a flight vehicle having the same and a cooling method for high temperature fluid, the cooling device including a heat exchanger configured such that fluid is introduced therein to be heat-exchanged with a refrigerant, and configured to vaporize the refrigerant by the heat exchange such that the fluid is discharged at temperature close to vaporization temperature of the refrigerant, a compressor connected to the heat exchanger and configured to compress the fluid discharged out of the heat exchanger, a turbine connected to the compressor and configured to expand the fluid compressed in the compressor to lower temperature of the compressed fluid, and a phase change heat exchanger connected to the turbine, storing a phase change material, and configured to cause heat exchange between the phase change material and the fluid discharged out of the turbine so as to control temperature of the discharged fluid, whereby a cooling device capable of minimizing influences by external environments can be achieved. | 02-02-2012 |
Hyung-Ju Lee, Seongnam-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090019439 | THREAD POOL MANAGEMENT APPARATUS AND METHOD - A thread pool management apparatus and method are provided. The thread pool management method includes setting a management policy for managing a thread pool; and managing the thread pool according to the management policy. | 01-15-2009 |
Hyung-Ju Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110201668 | REGULATION OF NEUROTRANSMITTER RELEASE THROUGH ANION CHANNELS - A novel use of anion channels, preferably Ca2+-activated anion channels (CAACs), in regulating release of neurotransmitters from neurons and/or astrocytes is provided. More specifically, CAAC activity regulators, agents for regulating neurotransmitter release comprising such CAAC activity regulators, and methods of screening agents for regulating neurotransmitter release using CAAC as a target. | 08-18-2011 |
Hyung-Ju Park, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090147178 | Multi view display device and method of fabricating thereof - A multi-viewing display device includes a display panel for displaying images; a back light for supplying the light to the display panel; and a viewing converting unit having a plurality of parallax barriers for reflecting the light from the back light and non-reflecting the light from the display panel to control the path of the light in accordance with a desired viewing direction. The viewing converting unit may include a substrate; at least one layer of a parallax barrier made of high reflective material to reflect the light on the substrate; and at least one layer of the parallax barrier made of low reflective material to block the light on the first parallax barriers. | 06-11-2009 |