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Hee Seok
Hee Seok Choi, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080241982 | Vertical GaN-based LED and method of manufacturing the same - Provided are a vertical GaN-based LED and a method of manufacturing the same. The vertical GaN-based LED includes an n-electrode. An AlGaN layer is formed under the n-electrode. An undoped GaN layer is formed under the AlGaN layer to provide a two-dimensional electron gas layer to a junction interface of the AlGaN layer. A GaN-based LED structure includes an n-type GaN layer, an active layer, and a p-type GaN layer that are sequentially formed under the undoped GaN layer. A p-electrode is formed under the GaN-based LED structure. A conductive substrate is formed under the p-electrode. | 10-02-2008 |
| 20110089450 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor light-emitting device is provided. The semiconductor light-emitting device may include a light-emitting structure, an electrode, an ohmic layer, an electrode layer, an adhesion layer, and a channel layer. The light-emitting structure may include a compound semiconductor layer. The electrode may be disposed on the light-emitting structure. The ohmic layer may be disposed under the light-emitting structure. The electrode layer may include a reflective metal under the ohmic layer. The adhesion layer may be disposed under the electrode layer. The channel layer may be disposed along a bottom edge of the light-emitting structure. | 04-21-2011 |
| 20110266573 | SEMICONDUCTOR FOR LIGHT EMITTING DEVICE - Disclosed is a semiconductor light emitting device. The light emitting device includes a first conductive type semiconductor layer; an active layer on the first conductive type semiconductor layer; and a first electrode pad including a plurality of reflective layers on the first conductive type semiconductor layer. | 11-03-2011 |
Hee Seok Jeong, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090060734 | Blower housing of hydrogen recirculation device of fuel cell vehicle - A blower housing of a hydrogen recirculation device for a fuel cell vehicle includes a plurality of cooling pins installed on a perimeter of a housing body installed in a fuel processing system of the recirculation device. The cooling pins are arranged in parallel with air flow, thereby reducing a temperature deviation and the highest temperature point. | 03-05-2009 |
| 20100104921 | SEPARATOR FOR FUEL CELL - The present invention provides a separator for a fuel cell, in which a water discharge hole such as a venturi tube or a water discharge means including a metal plate for condensing water is provided on a land of the separator being in contact with a gas diffusion layer (GDL) of a fuel cell so that water generated by a reaction is easily discharged from the GDL through the water discharge means. | 04-29-2010 |
| 20110129753 | COOLANT DEMINERALIZER FOR A FUEL CELL VEHICLE - The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions, released from a pipe, from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer suitably configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin. | 06-02-2011 |
Hee Seok Kim, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20110243672 | Double Sides Cutting Insert and Cutting Tool With The Same - A cutting tool includes a tool body and at least one double-sided cutting insert mounted in an insert pocket of the tool body. The at least one double-sided cutting insert includes: an elliptical top surface; an elliptical bottom surface; first and second side surfaces connecting between both side ends of the top and bottom surfaces, respectively; a pair of corners connecting between both side ends of the first and second side surfaces, respectively; first and second cutting edges formed at a boundary portion between the top surface and the first side surface and a boundary portion between the bottom side surface and the second side surface and having a curved shape, respectively. | 10-06-2011 |
Hee Seok Kim, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110193862 | METHOD AND SYSTEM FOR EARLY Z TEST IN TITLE-BASED THREE-DIMENSIONAL RENDERING - A method and system for an early Z test in a tile-based three-dimensional rendering is provided. In the method and system for an early Z test, a portion which is not displayed to a user is removed prior to performing a rasterization process, and thereby performing the 3D rendering efficiently. The method includes segmenting a scene into tiles for performing a rendering with respect to a triangle; selecting a first tile of the tiles, which has a tile Z value less than a minimum Z value of the triangle; and performing the rendering with respect to the triangle in remaining tiles excluding the selected first tile of the tiles. | 08-11-2011 |
Hee Seok Park, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100090246 | VERTICAL NITRIDE-BASED LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - Provided is a vertical nitride-based LED including a first electrode; a first nitride semiconductor layer that is disposed on the first electrode; an active layer that is disposed on the first nitride semiconductor layer; a second nitride semiconductor layer that is disposed on the active layer; an ohmic contact pattern that is disposed on the second nitride semiconductor layer; a second electrode that is disposed on the ohmic contact pattern; and a bonding pad that is electrically connected to the second electrode and disposed on the second nitride semiconductor layer. | 04-15-2010 |
| 20110042690 | LIGHT EMITTING DIODE PACKAGE - The present invention provides a light emitting diode package including: a package mold having a first cavity and a second cavity with a smaller size than that of the first cavity; first and second electrode pads provided on the bottom surfaces of the first cavity and the second cavity, respectively; an LED chip mounted on the first electrode pad; a wire for providing electrical connection between the LED chip and the second electrode pad; and a molding material filled within the first cavity and the second cavity. | 02-24-2011 |
Hee-Seok Han, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090315610 | Integrated Circuit Devices Having Level Shifting Circuits Therein - Level shifting circuits generate multiple tracking signals that are in-phase with an input signal, but are also level-shifted with wider voltage swings relative to the input signal. These input tracking signals are provided as separate inputs to an inverter having at least one PMOS pull-up transistor and at least one NMOS pull-down transistor therein. A level shifting circuit may include a differential input circuit, which is responsive to true and complementary input signals. A first load circuit is electrically coupled to the differential input circuit. This first load circuit is configured to generate first and second tracking signals at respective first and second nodes therein. These first and second tracking signals are in-phase, level-shifted versions of each other, and have respective voltage swings that are greater than a voltage swing of the complementary input signals. The inverter includes a pull-up transistor responsive to the first tracking signal and a pull-down transistor responsive to the second tracking signal. | 12-24-2009 |
| 20110115770 | POWER SUPPLY AND DISPLAY APPARATUS HAVING THE SAME - A power supply system includes a control unit comprising a detecting and converting unit that is operable to generate a detected current based on a difference between a set voltage and a voltage representative of a current flow through an energy storage member. | 05-19-2011 |
Hee-Seok Hong, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120117311 | Memory System And Method Of Operating A Memory System - A memory system according to at least one example embodiment stores meta data in a cache register when the memory system enters a standby mode. Therefore, the memory system may reduce power consumption in the standby mode, and/or rapidly perform a mode switch. | 05-10-2012 |
Hee-Seok Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080209159 | MEMORY ACCESS METHOD USING THREE DIMENSIONAL ADDRESS MAPPING - A memory access method includes: obtaining a, b, and c from a program code for accessing a memory with a triple loop in a program, a being a number of values which an inner-most loop variable of the triple loop may have, b being a number of values which a middle loop variable of the triple loop may have, and c being a number of values which an outer-most loop variable of the triple loop may have; obtaining a starting address of the memory accessed by the triple loop; and obtaining an a×b×c number of addresses of the memory accessed by the triple loop using the starting address and a function. | 08-28-2008 |
| 20080209188 | PROCESSOR AND METHOD OF PERFORMING SPECULATIVE LOAD OPERATIONS OF THE PROCESSOR - Provided is a processor and method of performing speculative load instructions of the processor in which a load instruction is performed only in the case where the load instruction substantially accesses a memory. A load instruction for canceling operations is performed in other cases except the above case, so that problems occurring by accessing an input/output (I/O) mapped memory area and the like at the time of performing speculative load instructions can be prevented using only a software-like method, thereby improving the performance of a processor. | 08-28-2008 |
| 20080235492 | APPARATUS FOR COMPRESSING INSTRUCTION WORD FOR PARALLEL PROCESSING VLIW COMPUTER AND METHOD FOR THE SAME - An apparatus and a method are provided for a parallel processing very long instruction word (VLIW) computer. The apparatus includes: an index code generation unit sequentially generating an index code, which is associated with a number of no operation (NOP) instruction word between effective instruction words, with respect to each of instruction word groups to be executed in a VLIW computer; an instruction compression unit sequentially deleting the NOP instruction word which corresponds to the index code with respect to each of instruction word groups; and an instruction word conversion unit converting the effective instruction words to include the index code, the effective instruction words corresponding to the NOP instruction words. | 09-25-2008 |
| 20080235657 | LOOP COALESCING METHOD AND LOOP COALESCING DEVICE - A loop coalescing method and a loop coalescing device are disclosed. The loop coalescing method comprises removing an inner-most loop from among nested loops, so that an outer operation provided outside of the inner-most loop is performed when a condition of a conditional statement is satisfied, generating a guard code by applying an if-conversion method to the conditional statement, and converting a guard by using an instruction calculating the guard of the guard code, the instruction calculating the guard using a register where information related to a period of time corresponding to the number of iterations of the inner-most loop is stored. | 09-25-2008 |
| 20090089551 | Apparatus and method of avoiding bank conflict in single-port multi-bank memory system - Provided are a method and apparatus for avoiding bank conflict. A first instruction that is one of access instructions that are predicted to cause the bank conflict is replaced with a second instruction by changing an execute timing of the first instruction to a timing prior to the execute timing of the first instruction so as for the access instructions not to cause the bank conflict. Next, a load/store unit that is scheduled to access the bank according to the first instruction accesses the bank and reads out a data from the bank at an execute timing of the second instruction, and after that, the load/store unit is allowed to be inputted the read data at the execute timing of the first instruction. Accordingly, although the access instructions that are predicted to cause the bank conflict are allocated to the load/store units, the bank conflict can be prevented, so that it is possible to avoid deterioration in performance due the occurrence of the bank conflict. | 04-02-2009 |
| 20100180263 | APPARATUS AND METHOD FOR DETECTING SOFTWARE ERROR - An apparatus and method for detecting software error are provided. Trace files are respectively generated by a target machine and a functional simulator that imitates the target machine and performs the same operation as the target machine. Each of the trace files may include at least one of a data-flow-type trace including execution information about one or more instructions and a control-flow-type trace representing information about a part in which a change in address indicating the position of an instruction is a predetermined threshold value or more when the instruction is executed. By comparing the generated trace files, software error may be detected. | 07-15-2010 |
Hee-Seok Kim, Dalsung-Gun KR
| Patent application number | Description | Published |
|---|---|---|
| 20110299945 | Cutting Insert Having Non-Symmetrical Back Side Face Portion and Cutting Tool Comprising the Same - A cutting insert has an upper face and a lower face; a front side face portion and a back side face portion, the front and back side face portions connecting the upper face and the lower face; and a through-hole passing through the upper face and the lower face. A cutting edge is formed in the front side face portion, and the back side face portion is provided with a first inclined face and a second inclined face which are inclined forwardly at different angles, respectively, with respect to a plane normal to a rotational axis. The first inclined face is longer than the second inclined face so that the back side face portion has a non-symmetrical convex “V” shape. | 12-08-2011 |
Hee-Seok Kim, Seongnam-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100181605 | DATA STORAGE DEVICE HAVING SELF-POWERED SEMICONDUCTOR DEVICE - Provided is a data storage device. The data storage device includes an interface, a buffer controller, a memory controller, a non-volatile memory, and a self-powered semiconductor device adjacent to and electrically connected to the buffer controller. The self-powered semiconductor device includes a semiconductor chip and a rechargeable micro-battery attached to the semiconductor chip. The rechargeable micro-battery includes a first current collector and a second current collector, which face each other, a first polarizing electrode in contact with the first current collector and facing the second current collector, a second polarizing electrode in contact with the second current collector and facing the first polarizing electrode, and an electrolyte layer formed between the first and second polarizing electrodes. | 07-22-2010 |
Hee-Seok Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110269698 | Novel Cyclic Pentadepsipeptide Derivative and Fusarium Strain Producing The Same - Disclosed is a | 11-03-2011 |
Hee-Seok Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100117451 | Package circuit board with a reduced number of pins and package including a package circuit board with a reduced number of pins and methods of manufacturing the same - A package circuit board having a reduced package size. The package circuit board may include a semiconductor substrate in place of a printed circuit board. The package circuit board may further include a microelectronic chip mounted on the semiconductor substrate, the microelectronic chip having at least one of active and passive elements formed on the semiconductor substrate semiconductor substrate. | 05-13-2010 |
Hee-Seok Park, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120092885 | HEAD LAMP ASSEMBLY AND VEHICLE INCLUDING THE SAME - A head lamp assembly including a housing; a plurality of head lamp cases installed in the housing, wherein each head lamp case comprises a light emitting diode (LED) light source, and a heat sink for dissipating heat generated from the LED light source; and a plurality of ventilating fans for circulating air in the plurality of head lamp cases and installed in the plurality of head lamp cases, respectively. Accordingly, the ventilating fans installed in the head lamp cases have opposite ventilating directions, and thus air is circulated in the head lamp cases by the ventilating fans to thus improve heat dissipation effects. | 04-19-2012 |
Hee-Seok Yang, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110091443 | HEPARIN-CONJUGATED FIBRIN GEL AND METHOD AND KIT FOR PREPARING SAME - A method of preparing a heparin-conjugated fibrin gel is provided, which includes activating heparin, conjugating the activated heparin with fibrinogen to prepare heparin-conjugated fibrinogen, mixing free fibrinogen with the heparin-conjugated fibrinogen to prepare a fibrinogen mixture, and mixing thrombin with the fibrinogen mixture. In addition, a heparin-conjugated fibrin gel prepared by the above method and a kit for preparing the same are provided. According to the method of preparing the heparin-conjugated fibrin gel, the heparin-conjugated fibrin gel having an affinity for drugs such as growth factors may be easily prepared at low costs, and can also be used as a therapeutic drug excellently effective on generation of tissues such as bones, skin, blood vessels, cartilages, etc. by sustainably releasing drugs such as growth factors to a local site for a long period of time through injection into a human body. | 04-21-2011 |
| 20110124712 | ANTI-CANCER COMPOSITION COMPRISING MICRORNA MOLECULES - Disclosed is an anticancer composition for the treatment of hypoxia-induced angiogenesis-associated diseases including cancers. It comprises a microRNA-125 nucleic acid molecule. Also, methods of inhibiting angiogenesis, suppressing the invasion and metastasis of cancer cells, and treating cancers are provided. | 05-26-2011 |
