Lim, Cheongju-Si
Daeho Lim, Cheongju-Si KR
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20150090866 | OPTICAL SENSOR SENSING ILLUMINANCE AND PROXIMITY - An optical sensor includes photodiodes and optical filters that are arranged on the photodiodes. The photodiodes and optical filters may be spaced apart from each other. The optical filters include an infrared blocking filter and at least one visible light filter and the optical sensor measures a light quantity of a specific wavelength band in a visible light band through the photodiodes, wherein a specific visible light filter is arranged on the photodiodes. Therefore, the optical sensor has a simplified structure and may function as an ambient illuminance sensor, a proximity sensor, and a color sensor. | 04-02-2015 |
20150115137 | GESTURE CELL AND GESTURE SENSOR - A gesture cell including a photodiode comprising a first layer, the first layer formed as a serpentine element on a substrate, and an optical blind configured to guide a light that is incident from a first direction on the photodiode, the optical blind being placed on the photodiode obliquely toward the first direction, wherein the serpentine element is continuously formed from multiple limbs positioned in the first directions and returning in a corresponding second direction, and each limb positioned in the first direction and the corresponding limb returning in the second direction are equally spaced apart. | 04-30-2015 |
Gyo-Ho Lim, Cheongju-Si KR
Gyu-Ho Lim, Cheongju-Si KR
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20120212281 | LEVEL SHIFTER - A level shifter is provided. The level shifter includes a signal converter connected to an external power source and a ground, first and second output terminals connected to the signal converter, the first and second output terminals being configured to output a bias voltage applied from the external power source, and a switching unit configured to switch a connection state of the signal converter according to an input signal to adjust output voltage values of the first and second output terminals, the switching unit including first and second transistors, the first transistor being of a type that is different from a type of the second transistor, the first and second transistors being connected to each other in series between an input terminal, to which an input signal is applied, and the external power source, gates of the first and second transistors being commonly connected to the second output terminal. | 08-23-2012 |
20120313536 | LED DRIVER CIRCUIT HAVING A SENSING UNIT - A LED driving circuit having a sensing unit is disclosed. The LED driving circuit includes an input unit configured to receive a dimming signal to drive an LED array, a DC-DC converter including a power transistor configured to perform a switching operation, the DC-DC converter being configured to provide an output voltage to the LED array by the switching operation, a PWM signal generating unit configured to provide a PWM signal to adjust power of the LED array to the power transistor, a LED driving unit configured to drive the LED array using the dimming signal, and a sensing unit configured to sense degradation of the power transistor. | 12-13-2012 |
20130050289 | LED DRIVER APPARATUS - A Light Emitting Diode (LED) driver apparatus and a method of driving an LED array are provided. A Light Emitting Diode (LED) driver apparatus includes: a DC-DC converter configured to supply a driving voltage to an LED array, a plurality of LED drivers configured to drive the LED array according to a dimming signal, in which the plurality of LED drivers are connected to one another in parallel to supply currents to the LED array. | 02-28-2013 |
20130147361 | DETECTING CIRCUIT FOR SHORT OF LED ARRAY AND LED DRIVING APPARATUS USING THE SAME - A detection circuit configured to detect a short in a plurality of LED arrays is provided. The detection circuit includes a voltage measuring unit, a short detecting unit, and a detection control unit. The voltage measuring unit is configured to measure respective feedback voltages of the plurality of LED arrays and output a lowest measured feedback voltage as a first feedback voltage. The short detecting unit is configured to detect the short in the LED arrays using the measured feedback voltages. The detection control unit is configured to control the short detecting unit to stop short detection operation, when the first feedback voltage exceeds a first preset reference voltage. | 06-13-2013 |
20150109047 | COMPLEMENTARY METAL-OXIDE-SEMICONDUCTOR (CMOS) INVERTER CIRCUIT DEVICE - There is provided a CMOS inverter circuit device. The CMOS inverter circuit device includes a delay circuit unit configured to generate different charge and discharge paths of each gate node of a PMOS transistor and an NMOS transistor respectively at the time that an input signal transitions between high and low levels. Therefore, the present examples minimize or erase generation of a short circuit current made at the time that the input signal transition. The examples may simplify circuit architecture, and may make a magnitude of a CMOS inverter circuit device smaller. | 04-23-2015 |
20150268690 | CIRCUIT FOR COMPENSATING BIPOLAR JUNCTION TRANSISTOR BASE CURRENT AND LED DRIVING APPARATUS HAVING THE SAME - Disclosed is a circuit for compensating a bipolar junction transistor (BJT) base current that mirrors the BJT base current to induce a mirror current that is coupled to an emitter of the BJT to decrease an emitter current by a size of the mirror current. Also disclosed is a light-emitting diode (LED) driving apparatus including an LED array, a BJT series-coupled to the LED array, a measuring unit coupled to an emitter of the BJT to measure a current flowing into the LED array, a differential amplifier configured to differentially amplify a reference voltage and the measured current to supply a base current to a base of the BJT, and a BJT base current compensation circuit as disclosed to accurately control an LED current. | 09-24-2015 |
Hee Joon Lim, Cheongju-Si KR
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20120170392 | INTERNAL VOLTAGE GENERATION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes first and second bank groups, a first internal voltage control unit configured to generate a first enable pulse which is enabled when a first read operation or a first write operation is performed for banks included in the first bank group, and a first internal voltage generation unit configured to generate and supply a first internal voltage to the first bank group in response to the first enable pulse, wherein an enable period of the first enable pulse is set to be longer in the first write operation than in the first read operation. | 07-05-2012 |
20150211939 | TEMPERATURE SENSORS - The temperature sensor includes a voltage generator and a temperature code generator. The voltage generator includes a first temperature element having a first resistance value and a second temperature element having a second resistance value and utilizes the first and second temperature elements to generate a temperature voltage signal having a voltage level that varies according to a variation in temperature. The voltage generator generates a reference voltage signal having a substantially constant voltage level regardless of the variation in temperature. The temperature code generator compares a voltage level of the temperature voltage signal with a voltage level of the reference voltage signal to generate a plurality of temperature code signals including information on the variation in temperature based on the comparison. | 07-30-2015 |
Jongkeun Lim, Cheongju-Si KR
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20110174274 | Fuel Pump Module - A fuel pump module including: a reservoir installed in a fuel tank, the reservoir being charged with a predetermined amount of fuel; a fuel pump installed in the reservoir and pumping the fuel contained in the reservoir to an internal combustion engine; a jet pump injecting a fuel jet into the reservoir to thereby introduce the fuel stored in the fuel tank into the reservoir; a guide tube installed on the jet pump and guiding both the fuel jet and the fuel introduced from the fuel tank along with the fuel jet into the reservoir; and a filter unit partitioning the interior of the reservoir into a fuel suction area, into which the fuel is introduced by the fuel pump, and a fuel charging area, which is charged with the fuel from the fuel tank, thus preventing foreign substances from being introduced from the fuel charging area into the fuel suction area. | 07-21-2011 |
20110174275 | Fuel Supply System - Provided is a fuel supply system. The fuel supply system includes a fuel pump module mounted in a fuel tank and including a reservoir having a predetermined amount of fuel filled therein and a fuel pump mounted in the reservoir to suck the fuel filled in the reservoir and supply it to an internal combustion engine; a fuel supply line supplying fuel from the fuel pump module to the internal combustion engine; and a fuel return line returning the fuel from the internal combustion engine to the fuel tank, wherein the inside of the reservoir is provided with a bypass tube connecting the fuel return line to the fuel pump to directly supply the fuel returned through the fuel return line to the fuel pump through the bypass tube. | 07-21-2011 |
20120060974 | APPARATUS FOR SENSING FUEL LEVEL IN FUEL TANK - Provided is an apparatus for sensing a fuel level in a fuel tank for sensing an amount of fuel remaining in the fuel tank mounted in a vehicle. The apparatus for sensing a fuel level according to the present invention senses a residual amount of fuel in a fuel tank by contacting a resistance substrate with a wiper, the apparatus including: a case that forms a sealable filling solution filling space and has a filling solution inlet formed on a top thereof; a stopper that blocks the filling solution inlet formed in the case to seal the filling solution filling space; and a filling solution that is filled in the filling solution filling space to perform an anti-rusting and lubricating function, wherein the resistance substrate and the wiper are disposed in the filling solution filling space. | 03-15-2012 |
Jong Keun Lim, Cheongju-Si KR
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20110168134 | Fuel Pump Module - A fuel pump module, in which an in-tank filter and a fuel pump are installed at respective locations and held by a pump retainer, thereby allowing fuel to easily flow in the fuel pump module and realizing smallness and improved filtering performance of the fuel pump module. | 07-14-2011 |
20110168136 | Flange for Fuel Pump Module and Manufacturing Method Thereof - A flange for a fuel pump module and a manufacturing method thereof, in which the passage communicating a first valve seat with a second valve seat in the flange can be easily and simply formed by inserting a passage forming piece in a mold without requiring an additional process during an injection-molding process of manufacturing the flange. | 07-14-2011 |
20150075654 | APPARATUS FOR FIXING RESERVOIR BODY ASSEMBLY OF FUEL PUMP MODULE INTO FUEL TANK - Provided is an apparatus for fixing a reservoir body assembly of a fuel pump module into a fuel tank. The apparatus includes: a fixed retainer fixed into the fuel tank to be integrated with the fuel tank; and a moving coupled retainer coupled with the fixed retainer in a state in which a reservoir body assembly pumping fuel in the fuel tank is disposed at an assembling location with the fixed retainer to mount the reservoir body assembly so as to fix the reservoir body assembly. | 03-19-2015 |
Jong Myung Lim, Cheongju-Si KR
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20130154285 | BUMPER BEAM ASSEMBLY FOR VEHICLE - A bumper beam assembly for a vehicle may include a back beam disposed inside a vehicle bumper, both distal ends of the back beam being oriented in a lateral direction of a main body of the vehicle, crash boxes coupled to one side of the back beam, the crash boxes protruding from the both distal ends of the back beam toward the bumper, and back beam stays integrally coupled to the other side of the back beam, the back beam stays protruding from the both distal ends of the back beam toward an inside of the vehicle, in a direction opposite to a direction in which the crash boxes protrude. | 06-20-2013 |
Joung Myung Lim, Cheongju-Si KR
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20150336615 | CAR UNDERCOVER - A car undercover is provided. The car undercover includes: a cover main body installed on a lower end of a front frame carrier; a plurality of mount units formed by being spaced at a predetermined interval in a longitudinal direction on an end of the cover main body, in order to install the cover main body; and a reinforcement rib formed by being protruded in a vertically longitudinal direction on an internal side of the cover main body, in order to reinforce strength, wherein the reinforcement rib includes a stiffener formed by being protruded from the reinforcement rib in a shape opposite to a shape of the reinforcement rib. The car undercover may minimize damage of a pedestrian, by not being broken when colliding with the pedestrian. In addition, the car undercover may minimize damage of internal components, by being broken when colliding with a vehicle. | 11-26-2015 |
Ki-Uk Lim, Cheongju-Si KR
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20140127465 | ANTI-GLARE FILM HAVING IMPROVED CONTRAST RATIO AND PREPARATION METHOD FOR THE SAME - The present invention relates to an anti-glare film with excellent anti-glare properties as well as improved contrast ratio and image definition and a preparation method for the same. More specifically, the anti-glare film comprises an anti-glare layer comprising organic or inorganic particles having a volume average particle diameter of 5 to 10 μm and a photocurable resin. Here, the difference in refraction index between the organic or inorganic particles and the photocurable resin is in the range of 0.005 to 0.05, and the volume average particle diameter of the organic or inorganic particles and the thickness of the anti-glare layer satisfy a defined mathematical formula. | 05-08-2014 |
Kwang-Soo Lim, Cheongju-Si KR
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20120227627 | NACREOUS PIGMENT WITH HIGH CHROMA AND MULTIPLE COLORS AND METHOD OF PREPARING THE SAME - The present invention relates to a nacreous pigment and a method of preparing the same. The nacreous pigment includes a flake substrate, a first metal oxide layer coated on the substrate, and an oxide layer coated on the first metal oxide layer and containing MgO.SiO2, and a second metal oxide layer coated on the oxide layer. The pigment exhibits high brightness, high chroma, high gloss, and multi-color effects. | 09-13-2012 |
20140041551 | PIGMENT PAINT FOR AN EXTERIOR MATERIAL HAVING GOOD WEATHER RESISTANCE AND METHOD FOR MANUFACTURING SAME - The present invention relates to a pigment paint for an exterior material and to a method for manufacturing the same. The pigment paint comprises: a flake matrix, a first metal oxide layer coated on the upper portion of the transparent matrix, an oxide layer containing MgO—SiO | 02-13-2014 |
20140050769 | SILVER COATING PIGMENT, AND METHOD FOR PRODUCING SAME - Disclosed is a method for producing a silver (Ag) coating pigment. The method for producing a silver coating pigment according to the present invention comprises: a step of forming a tin compound pretreatment layer on the matrix surface; and a step of forming a silver coating layer on the lower portion of the tin compound pretreatment layer through a reflux and electroless plating process using a diluted solution of silver nitrate, ammonia water, a citric acid solution, and a diluted solution of potassium hydroxide. | 02-20-2014 |
20140165878 | INTERFERENCE PIGMENT WITH HIGH COLOR INTENSITY AND METHOD OF MANUFACTURING THE SAME - The interference pigment with high color intensity includes: a platelet-shaped substrate including at least one of natural mica, synthetic mica, alumina flakes, glass flakes, and iron oxide flakes; a lower first metal oxide layer formed of Fe | 06-19-2014 |
Min Gyu Lim, Cheongju-Si KR
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20140035033 | SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - A semiconductor device and a fabrication method thereof are provided. The semiconductor device includes a P type well region and an N type well region formed in a substrate, a gate insulating layer having a non-uniform thickness and formed on the P type well region and the N type well region, a gate electrode formed on the gate insulating layer, a P type well pick-up region formed in the P type well region, and a field relief oxide layer formed in the N type well region between the gate electrode and the drain region. | 02-06-2014 |
Munhyuk Lim, Cheongju-Si KR
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20090136763 | COMPOSITION FOR DIELECTRIC LAYER OF PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL INCLUDING THE SAME - A composition for a dielectric layer of a plasma display panel and a plasma display panel including the same are disclosed. The composition includes a glass frit, a binder, a dispersant, a plasticizer, and a solvent. The binder includes about 50 to 85 parts by weight of a first monomer, about 10 to 30 parts by weight of a second monomer, and about 1 to 20 parts by weight of a third monomer based on 100 parts by weight of the binder. | 05-28-2009 |
Soo Hyun Lim, Cheongju-Si KR
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20150213982 | RELAY - Disclosed is a relay. The relay includes a first fixed contact connected to a power source, a second fixed contact separated from the first fixed contact, and connected to a load, and a moving contact configured to be brought into contact with or separated from the first fixed contact and the second fixed contact. The moving contact includes a first moving contact configured to be brought into contact with or separated from the first fixed contact and the second fixed contact and a second moving contact separated from the first moving contact, and configured to be brought into contact with or separated from the first fixed contact and the second fixed contact. Accordingly, the moving contact can be prevented from being separated from the fixed contact by an inter-electron repulsion. | 07-30-2015 |
Ui Jai Lim, Cheongju-Si KR
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20150364273 | CIRCUIT BREAKER AND METHOD OF CONTROLLING THE SAME - The present invention relates to a circuit breaker and a method of controlling the same. More specifically, the present invention is to provide a circuit breaker capable of performing an interruption operation and an interruption monitoring function through an integrated control contact for transmitting a control signal, in order to solve the conventional problem, i.e., a structural problem due to separation of control contacts, and a malfunction of a monitoring function when an interlock is set, and a method of controlling the circuit breaker. With such a configuration, the circuit breaker can have a simplified structure, and can be designed and controlled more easily and simply. | 12-17-2015 |
Youngsoo Lim, Cheongju-Si KR
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20150333059 | SEMICONDUCTOR DEVICES INCLUDING ISOLATION GATE LINES BETWEEN ACTIVE PATTERNS AND METHODS OF MANUFACTURING THE SAME - A semiconductor memory device includes a substrate having active regions extending in a first direction and separated therealong by a device isolation layer, and conductive word lines extending on the substrate in a second direction intersecting the first direction. Ones of the word lines extending between the active regions define isolation gate lines, which are insulated from the active regions by the device isolation layer. Edges of the active regions adjacent the isolation gate lines respectively include first and second corners that are spaced apart from an adjacent one of the isolation gate lines by substantially equal distances. Related fabrication methods are also discussed. | 11-19-2015 |