Patent application number | Description | Published |
20130343504 | HEAT EXCHANGER FOR PASSIVE RESIDUAL HEAT REMOVAL SYSTEM - Disclosed is a heat exchanger for a passive residual heat removal system, which improves heat transfer efficiency by expanding a heat transfer area. A heat exchange tube includes a first member connected to a steam pipe through which steam generated from a steam generator of a nuclear reactor circulates, and a second member connected to both of the first member and a feed water pipe used to supply water to the steam generator provided in the nuclear reactor, and the first member has the shape different from that of the second member, thereby expanding the heat transfer area so that the heat transfer efficiency is improved. | 12-26-2013 |
20140016733 | PASSIVE SAFETY INJECTION SYSTEM USING SAFETY INJECTION TANK - A passive safety injection system includes a containment, a reactor installed in the containment, safety injection tanks installed in the containment, a safety injection line between the reactor or a reactor coolant system and each of the safety injection tanks to guide water, which is stored in the safety injection tank, into the reactor when a water level in the reactor is reduced due to a loss of coolant accident, and a pressure balance line between the reactor or the reactor coolant system and the safety injection tank to guide high-temperature steam from the reactor into the safety injection tank upon the loss of coolant accident. The safety injection line has an orifice and a check valve thereon, and the pressure balance line has an orifice and isolation valves thereon. The water in the safety injection tank stably flows into the reactor for many hours. | 01-16-2014 |
20140050292 | SEPARATE TYPE SAFETY INJECTION TANK AND INTEGRAL TYPE REACTOR HAVING THE SAME - A separate type safety injection tank comprises: a coolant injection unit connected to a reactor coolant system by a safety injection pipe such that coolant stored therein is injected into the reactor coolant system by a pressure difference from the reactor coolant system when a loss-of-coolant-accident (LOCA) occurs; a gas injection unit connected to the coolant injection unit, and configured to pressurize the coolant injected into the reactor coolant system, by introducing gas stored therein to an upper part of the coolant injection unit in the loss-of-coolant-accident; and a choking device disposed between the coolant injection unit and the gas injection unit, and configured to contract a flow cross-sectional area of the gas introduced to the coolant injection unit, and configured to maintain a flow velocity and a flow rate of the gas introduced to the coolant injection unit as a critical flow velocity and a critical flow rate when a pressure difference between the coolant injection unit and the gas injection unit is more than a critical value. | 02-20-2014 |
20140219409 | MULTI STAGE SAFETY INJECTION DEVICE AND PASSIVE SAFETY INJECTION SYSTEM HAVING THE SAME - The present disclosure may disclose a multi stage safety injection device, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance between the reactor vessel and the safety injection tank, and a set of safety injection lines connected to the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and connected to the safety injection tank with different heights to reduce a flow rate of coolant injected into the reactor vessel step by step according to the water level reduction of the safety injection tank in order to inject coolant to the reactor vessel at multi stages. | 08-07-2014 |
20140334590 | COOLING SYSTEM OF EMERGENCY COOLING TANK AND NUCLEAR POWER PLANT HAVING THE SAME - The present disclosure provides a cooling system of an emergency cooling tank, which enables long-term cooling without refilling cooling water, in case of the change in a quantity of heat transferred to the emergency cooling tank according to a lapse of time upon an occurrence of an accident of a nuclear reactor, and a nuclear power plant having the same. The emergency cooling tank cooling system includes an emergency cooling tank configured to store cooling water therein, the cooling water receiving heat, transferred from a nuclear reactor or a containment, when an accident occurs in the nuclear reactor, a heat exchanging device installed to be exposed to an outside of the emergency cooling tank to operate in air, and configured to externally emit heat by way of a heat exchange between fluid in the emergency cooling tank and the air such that the operation of the emergency cooling tank is continued even without refilling the cooling water, and an opening and closing unit installed at an upper portion of the emergency cooling tank to be located higher than a water level of the cooling water, and configured to be open by a flow of the fluid generated by an evaporation of the cooling water, the flow being formed due to a pressure difference from external air at pressure higher than a preset pressure, such that some of the fluid is externally emitted when a heat load exceeding a cooling capacity of the emergency cooling tank is transferred. | 11-13-2014 |
Patent application number | Description | Published |
20090280414 | Additive for non-aqueous electrolyte and secondary battery using the same - Disclosed is an electrolyte comprising a compound having both a sulfonate group and a cyclic carbonate group. The electrolyte forms a more stable and dense SEI layer on the surface of an anode, and thus improves the capacity maintenance characteristics and lifespan characteristics of a battery. Also, disclosed is a compound represented by the following Formula 1, and a method for preparing the same by reacting 4-(hydroxyalkyl)-1,3-dioxolan-2-one with a sulfonyl halide compound: | 11-12-2009 |
20140186722 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are a non-aqueous electrolyte solution including propylene carbonate (PC) and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, capacity characteristics, and swelling characteristics. | 07-03-2014 |
20140242472 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, comprising a sulfolane-based additive; and a lithium secondary battery using the same. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention comprises an ionizable lithium salt; an organic solvent; and a sulfolane compound of formula (I), the sulfolane compound being present in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the total weight of the lithium salt and the organic solvent. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention can exhibit superior storage characteristic and life cycle at a high temperature, with maintaining good output characteristic at a low temperature. | 08-28-2014 |
20140272604 | ELECTROLYTE SOLUTION ADDITIVE FOR LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE ADDITIVE - Provided is an electrolyte solution additive including lithium difluorophosphate (LiDFP), a vinylene carbonate-based compound, and a sultone-based compound. Also, a non-aqueous electrolyte solution including the electrolyte solution additive and a lithium secondary battery including the non-aqueous electrolyte solution are provided. The lithium secondary battery including the electrolyte solution additive of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and swelling characteristics. | 09-18-2014 |
20140272605 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution which includes a lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and an additive including a vinylene carbonate-based compound and a sultone-based compound, and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and capacity characteristics. | 09-18-2014 |
20140342241 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and ethylene carbonate (EC), and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. | 11-20-2014 |
20140349198 | NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and an ester-based solvent, and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution. | 11-27-2014 |
20150086880 | LITHIUM SECONDARY BATTERY HAVING IMPROVED LIFESPAN CHARACTERISTICS - Disclosed is a lithium secondary battery having improved lifespan characteristics. More particularly, a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and anode, and an electrolyte, wherein the anode comprises lithium titanium oxide (LTO) as an anode active material, the electrolyte comprises a lithium salt; a non-aqueous-based solvent; and (a) a phosphate compound which can prevent gas generation during high-temperature storage, (b) a sulfonate compound which can reduce discharge resistance by forming a low-resistance SEI layer, or a mixture of the compound (a) and the compound (b), is disclosed. | 03-26-2015 |
20160028115 | ELECTROLYTE SOLUTION ADDITIVE FOR LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE ADDITIVE - Provided is a non-aqueous electrolyte solution including a non-aqueous organic solvent, an imide-based lithium salt, and at least one additive selected from the group consisting of lithium difluoro bis(oxalato)phosphate (LiDFOP), (trimethylsilyl)propyl phosphate (TMSPa), 1,3-propene sultone (PRS), and ethylene sulfate (ESa), as an electrolyte solution additive. | 01-28-2016 |
20160028116 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte including a non-aqueous organic solvent, a lithium salt, and a borate-based compound, and a lithium secondary battery using the same. According to the present invention, a lithium secondary battery having improved cycle characteristics and high-temperature storage stability may be prepared by including a non-aqueous electrolyte which includes at least one borate-based compound as an additive. | 01-28-2016 |
Patent application number | Description | Published |
20130273456 | Solid Oxide Fuel Cell, Method of Fabricating the Same, and Tape Casting Apparatus for Fabricating Anode - Disclosed are a solid oxide fuel cell, a method of fabricating the same, and a tape casting apparatus for fabricating an anode. The solid oxide fuel cell includes an electrolyte film sheet, a cathode, and an anode, and the anode includes a catalyst active layer sheet for inducing a reforming reaction of the supplied fuel. The catalyst active layer sheet is formed by a tape casting method using a plurality of pieces of slurry having different catalyst contents, and the catalyst content within the catalyst active layer sheet is gradually changed in a flow direction of the fuel. In the solid oxide fuel cell, a temperature deviation of a unit cell is minimized by uniformly reforming the fuel in the flow direction of the fuel, thereby improving mechanical and chemical durability. | 10-17-2013 |
20130280634 | Unit Cell of Metal-Supported Solid Oxide Fuel Cell, Preparation Method Thereof, and Solid Oxide Fuel Cell Stack Using the Unit Cell - The present invention relates to a unit cell of a metal-supported solid oxide fuel cell in which a manifold is formed integrally with electrodes, and includes a metal support; a first electrode formed on a surface of the metal support; an electrolyte formed on a surface of the first electrode; and a second electrode formed on a surface of the electrolyte and having a polarity opposed to that of the first electrode, wherein the metal support, the first electrode, the electrolyte, and the second electrode are formed with a manifold, a fluid passage. The present invention also relates to a method of manufacturing a unit cell of a metal-supported solid oxide fuel cell, and a stack using the solid oxide fuel cell. | 10-24-2013 |
20140104541 | BACKLIGHT UNIT FOR DISPLAY DEVICE AND DRIVING METHOD THEREOF - A backlight unit for a display device includes a light source module which emits light, a light guiding plate which guides the light incident from the light source module toward a front surface thereof, and a light beam spread angle regulating sheet disposed between the light source module and a lateral surface of the light guiding plate, where the light beam spread angle regulating sheet regulates a light beam spread angle of the light incident from the light source module. | 04-17-2014 |
20140159085 | LIGHT EMITTING DIODE PACKAGE AND MANUFACTURING METHOD THEREOF - A light emitting package includes a circuit board, a light emitting chip disposed on the circuit board and electrically connected to the circuit board, a resin layer disposed on the light emitting chip, and a fluorescent layer disposed on the resin layer. The light emitting chip is disposed between the resin layer and the circuit board. The resin layer is disposed between the light emitting chip and the fluorescent layer. For a light, a refractive index of the resin layer is smaller than a refractive index of the light emitting chip and is larger than a refractive of the fluorescent layer. | 06-12-2014 |
20140185318 | Backlight Assembly and a Display Device Using the Same - A backlight assembly includes a light guide member extending in a direction and having a light incident surface and a light exiting surface. A light source faces the light guide member and supplies light to the light guide member through the light incident surface. A reflecting member reflects light exiting from the light exiting surface of the light guide member. The reflecting member includes a groove receiving the light guide member. A first reflecting portion is disposed under the light guide member and reflects light refracted by the light guide member in an upward direction. A second reflecting portion is disposed on the light guide member and reflects light refracted by the light guide member in a downward direction. | 07-03-2014 |
20140355301 | DISPLAY DEVICE - A display device is disclosed. In one aspect, the display device includes a protective member, a display panel accommodated in the protective member, a light guide member including a light incident surface, a heat discharge member including a support surface facing the light incident surface, and a light source disposed on the support surface to supply light to the light incident surface. The light source includes a light-emitting device disposed on one surface of a circuit board, the circuit board including a first area substantially overlapping the light-emitting device and a second area adjacent to the first area, a first adhesive member disposed between the other surface of the circuit board and the support surface and substantially overlapping the first area, and a second adhesive member disposed to substantially overlap the second area. The first adhesive member has a higher heat conductivity than the second adhesive member. | 12-04-2014 |
20150036320 | DISPLAY DEVICE - A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size. | 02-05-2015 |
20150036384 | LIGHT EMITTING MODULE AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light emitting module includes a first and second light source spaced apart from each other and each configured to generate and emit light; the first light source; and a metal board which is electrically connected to the first and second light sources. The metal board includes a body portion upon which the first and second light sources are disposed; first and second side portions respectively on first and second ends of the body portion; a first insulation layer which is between the body portion and the first side portion and insulates the body portion from the first side portion; and a second insulation layer which is between the body portion and the second side portion and insulates the body portion from the second side portion. | 02-05-2015 |
20150109559 | LIGHT SOURCE ASSEMBLY, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - A light source assembly includes a substrate extending in a first direction, and a plurality of light source parts arranged in the first direction. The light source part includes a light source disposed on the substrate to generate light, a first reflecting element disposed on the substrate and having a first opening which exposes the light source, a second reflecting element disposed on a first reflecting element and having a second opening which exposes the light source, the second reflecting element being smaller than the first reflecting element in a plan view, and a lens disposed on the light source and the second reflecting element to diffuse the light from the light source. | 04-23-2015 |
20150109764 | LENS FOR BACKLIGHT OF DISPLAY DEVICE AND BACKLIGHT OF DISPLAY DEVICE INCLUDING THE SAME - A lens for a backlight of a display device, includes a lower surface, a groove portion defined recessed from the lower surface and comprising a curved surface; and an upper surface comprising an outer edge and a center, in a plan view, of which a distance from the lower surface decreases in a direction from the outer edge to the center. | 04-23-2015 |
20150194572 | LIGHT-EMITTING DIODE PACKAGE - A light-emitting diode (“LED”) package includes a substrate, an LED chip on the substrate, and a light exit surface adjuster. The light exit surface adjuster includes a light-transmitting surface which transmits light and a light-blocking surface which is around the light-transmitting surface and blocks the light. The LED chip is between the light exit surface adjuster and the substrate, and an overlap area between the LED chip and the light-transmitting surface is smaller than an overall area of the LED chip. | 07-09-2015 |
20150207026 | METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE - A method of manufacturing a semiconductor light emitting device includes forming a light emitting structure layer including an active layer on a first substrate. A second substrate is bonded to the light emitting structure layer at a first temperature higher than room temperature. The first substrate is removed from the light emitting structure layer at a second temperature higher than room temperature. The second substrate and the light emitting structure are cooled to reach room temperature. A coefficient of thermal expansion of the second substrate is different from a coefficient of thermal expansion of the active layer. | 07-23-2015 |
20150219286 | LED LIGHT SOURCE PACKAGE - Provided is a LED light source package comprising a circuit board, a light source seated on an upper portion of the circuit board, and a lens structure arranged on the upper portion of the circuit board via the light source. A surface that faces the light source in the lens structure includes a first inclined surface that projects toward the light source as going to a center portion of the lens structure. | 08-06-2015 |
20150261041 | REFLECTION SHEET AND BACKLIGHT UNIT INCLUDING THE SAME - A reflection sheet and backlight unit including the same are disclosed. In one aspect, the reflection sheet includes a bottom surface, a plurality of side surfaces, each extending from the bottom surface and having an edge opposing the bottom surface, and a first cutting line formed in at least a first one of the side surfaces from a boundary between the first side surface and the bottom surface toward the opposing edge of the first side surface. The reflection sheet also includes a cover surface extending from the opposing edge of the first side surface, wherein the cover surface comprises a protruding surface protruding toward the first cutting line. | 09-17-2015 |
20150369994 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate in which light emitted from the light source is incident on one surface and the incident light is emitted to another surface, a bottom chassis configured to accommodate the light guide plate, and a fixing frame coupled to the bottom chassis and configured to fix the circuit board. The fixing frame includes a first fixing frame on which the circuit board is disposed and a second fixing frame separably coupled to the first fixing frame and disposed on a bottom surface of the bottom chassis. | 12-24-2015 |
20160027364 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A display device includes a curvature-variable display panel including a plurality of pixels; a controller configured to correct and output an image signal supplied from the outside according to a radius of curvature of the display panel; a data driver configured to supply a data signal corresponding to the corrected image signal to a data line connected to the pixel; and a scan driver configured to supply a scan signal synchronized with the data signal to a scan line connected to the pixel. The controller may include a curvature detector configured to detect the radius of curvature of the display panel and a lookup table generator configured to generate a correction lookup table according to the radius of curvature of the display panel. | 01-28-2016 |
20160044776 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a display panel curved along a first direction and a backlight unit providing a light to the display panel. The backlight unit includes a bottom chassis curved along the first direction and including a bottom portion configured to include first and second areas arranged in the first direction, light emitting diodes disposed on the bottom portion, and lens units covering the light emitting diodes in a one-to-one correspondence. The light emitting diodes includes a first light emitting diode in the first area and a second light emitting diode in the second area. A first lens distance between the first light emitting diode and a first lens unit covering the first light emitting diode is different from a second lens distance between the second light emitting diode and a second lens unit covering the second light emitting diode. | 02-11-2016 |
20160057850 | DISPLAY DEVICE - A display device including a bottom chassis including a bent portion, a light module including a light source on the bent portion, a curved surface display panel on the bottom chassis and on the light module, and a reflector between the curved surface display panel and the bottom chassis, wherein a height between end portions of the bent portion and bottom chassis is greater than a height between central portions of the bent portion and bottom chassis. | 02-25-2016 |
20160061414 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING SAME - A display apparatus includes a display panel curved along a first direction and a backlight unit. The backlight unit includes a bottom chassis, light emitting diodes, reflecting members, and a reflecting sheet. The light emitting diodes include a first light emitting diode and a second light emitting diode. The second light emitting diode is spaced apart from the first light emitting diode in the first direction. A first area that a first reflecting member disposed under the first light emitting diode among the reflecting members is exposed is different from a second area that a second reflecting member disposed under the second light emitting diode among the reflecting members is exposed. | 03-03-2016 |
20160079478 | SEMICONDUCTOR LIGHT EMITTING DEVICE PACKAGE - A semiconductor light emitting device package may include: a package body having first and second electrode structures; and a light emitting diode chip mounted on the second electrode structure of the package body, the light emitting diode chip including: a support substrate, a light emitting structure including a second conductivity type semiconductor layer, an active layer and a first conductivity type semiconductor layer sequentially stacked on the support substrate, a transparent electrode layer disposed on the first conductivity type semiconductor layer, and an insulating layer disposed on at least a side surface of the light emitting structure. The transparent electrode layer and the first electrode structure may be connected to each other by a side electrode disposed on a side surface of the light emitting diode chip. | 03-17-2016 |
Patent application number | Description | Published |
20130058002 | PACKAGE TYPE MULTI LAYER THIN FILM CAPACITOR FOR HIGH CAPACITANCE - Provided is a package type multilayer thin film capacitor for a high capacitance, including: a capacitance block | 03-07-2013 |
20130058005 | PACKAGE TYPE MULTI LAYER THIN FILM CAPACITOR FOR HIGH CAPACITANCE - Provided is a package type multi-layer thin film capacitor for large capacitance, including: a ceramic sintered body formed with slots on one side and another side thereof, respectively; a plurality of first internal electrode layers formed within the ceramic sintered body; a plurality of second internal electrode layers formed within the ceramic sintered body to be positioned between the plurality of first internal electrode layers; a pair of first main connection electrode members inserted into the slots to be connected to the first internal electrode layers or the second internal electrode layers, respectively; a pair of first main lead members inserted into the slots and to be connected to the first main connection electrode members, respectively; and a sealing member sealing the ceramic sintered body to partially expose each of the pair of first main lead members. | 03-07-2013 |
20140085772 | DIRECT CURRENT CAPACITOR MODULE - A direct current (DC) link capacitor module includes a printed circuit board (PCB) formed by sequentially disposing a first electrode substrate, an insulation substrate, a second electrode substrate, a third electrode substrate; a plurality of DC link capacitors connected in parallel to each of the first electrode substrate and the second electrode substrate; a plurality of first Y-capacitors connected in series to each of the first electrode substrate and the third electrode substrate, and connected in parallel to the DC link capacitors; and a plurality of second Y-capacitors connected in series to each of the first electrode substrate and the third electrode substrate, and connected in parallel to the first Y-capacitors, thereby achieving a miniaturization and facilitating a fabrication by connecting the plurality of DC link capacitors using the PCB. | 03-27-2014 |
20140376157 | NON-REDUCIBLE LOW TEMPERATURE SINTERABLE DIELECTRIC POWER ELECTRONIC CAPACITOR MODULE FOR VEHICLE - A power electronic capacitor module for vehicle that may reduce the number of solderings by inserting and thereby mounting a capacitor between a single pair of bus bars and thereby may simplify an assembly process. The power electronic capacitor module for vehicle may include a single pair of bus bars disposed to be separate from each other and each having an external electrode support member; an insulating support frame formed to expose the external electrode support member and wrap around a single pair of bus bars and thereby support the bus bars; and a capacitor element having a single pair of external electrodes and inserted between a single pair of bus bars to thereby be supported by the bus bars or the external electrode support members and electrically connect the external electrodes to the external electrode support members. | 12-25-2014 |
20150278361 | USER TERMINAL AND CONTROL METHOD THEREOF - A user terminal and a control method thereof are provided. The user terminal includes a display configured to display a screen, a user input unit configured to receive a user input for searching contents of a first device, and a controller configured to perform control to display, on a first screen, a plurality of contents searched in the first device based on a keyword corresponding to the user input received on the first screen, and if a content is selected from among the plurality of contents, to emphatically display information corresponding to the keyword searched for in the selected content as information received from a second device different from the first device on a second screen. | 10-01-2015 |
Patent application number | Description | Published |
20130022378 | IMAGE FORMING APPARATUS - Disclosed herein is an image forming apparatus including a main body provided with an opening, a cover to open and close the opening, a plurality of development units developing electrostatic latent images into visible images through developers, a transfer device including an intermediate transfer belt receiving the developers from the plurality of development units and transferring the developers to printing media, and a sensor unit provided with light windows located at first positions opposite the intermediate transfer belt when the opening is closed by the cover, and located at second positions exposed to the opening when the opening is opened by the cover. Thereby, a user may clean the light windows through the opening. | 01-24-2013 |
20130170853 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main body of the image forming apparatus; at least one image forming unit disposed in the main body; a light scanning unit that is disposed in the main body and scans light to form an electrostatic latent image on a photosensitive medium of the at least one image forming unit; a window open-closing shutter that is disposed to slidably move on a surface of the light scanning unit from which light emits, and moves between an open position where a light moving path is opened and a blocking position where the light moving path is blocked; a shutter operating lever that is disposed in the main body, and activates the window open-closing shutter to be positioned at either of the open position and the blocking position; and a pressure member that is disposed in the main body and presses the shutter operating lever. | 07-04-2013 |
20150043939 | IMAGE FORMING APPARATUS HAVING A WINDOW OPEN-CLOSING SHUTTER - An image forming apparatus includes a main body of the image forming apparatus; at least one image forming unit disposed in the main body; a light scanning unit that is disposed in the main body and scans light to form an electrostatic latent image on a photosensitive medium of the at least one image forming unit; a window open-closing shutter that is disposed to slidably move on a surface of the light scanning unit from which light emits, and moves between an open position where a light moving path is opened and a blocking position where the light moving path is blocked; a shutter operating lever that is disposed in the main body, and activates the window open-closing shutter to be positioned at either of the open position and the blocking position; and a pressure member that is disposed in the main body and presses the shutter operating lever. | 02-12-2015 |
20150160609 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main body having a fusing unit, a first temperature sensor which is disposed in an external surface of the main body and measures an outside temperature, a humidity sensor which is disposed in the external surface of the main body and measures an outside humidity, a second temperature sensor which is disposed inside the main body and measures an inside temperature, at least one fan disposed in the main body, and a controller configured to calculate a dew point temperature using the inside temperature and the outside humidity and operate the at least one fan based on the calculated dew point temperature. | 06-11-2015 |
20160084327 | METHOD FOR SEARCHING FOR TOUCH POINT OF DRY TYPE CLUTCH - Disclosed are methods for searching for a touch point of a dry type clutch. A method may include starting monitoring of current that is consumed in an actuator while driving the actuator in a direction in which the clutch is engaged from a release state, calculating a force that is applied to an engagement bearing of the clutch from the current that is consumed in the actuator after the starting monitoring of the current, determining whether the calculated force exceeds a predetermined reference force, and determining an actuator stroke when the calculated force starts to exceed the predetermined reference force as the touch point. | 03-24-2016 |
20160084375 | METHOD FOR PROTECTING CLUTCH FOR DUAL CLUTCH TRANSMISSION - A method for protecting a clutch for a Dual Clutch Transmission may include an input step of receiving an input of a temperature of a clutch, and a gear shift pattern changing step of changing a preset gear shift pattern and operating to perform gear shift in a vehicle speed region that secedes from a vehicle speed of the preset gear shift pattern when the temperature of the clutch is equal to or higher than a first reference temperature. | 03-24-2016 |
Patent application number | Description | Published |
20080204444 | TIMING CONTROLLER TO REDUCE FLICKER AND METHOD OF OPERATING DISPLAY DEVICE INCLUDING THE SAME - A timing controller to reduce a flicker in a display device is provided. The timing controller includes a line pattern detector and a frame pattern detector. The line pattern detector divides received data into a plurality of unit blocks and detects a line polarity of each of a plurality of horizontal lines included in each of the unit blocks. The frame pattern detector generates a polarity control signal to control a data inversion method based on a frame image pattern detected based on line polarities of the respective horizontal lines. | 08-28-2008 |
20080224976 | Method and apparatus for temporally/spatially randomly dithering and liquid crystal display using the same - A method of temporally and/or spatially randomly dithering, to facilitate converting an input M-bit subpixel signal into an (M−N)-bit subpixel signal, may include spatially and/or temporally randomly generating a dithering mask pattern satisfying a condition that a spatial mean and/or a temporal mean of an image signal before dithering matches a spatial mean and/or a temporal mean of the image signal after dithering, respectively, and converting the M-bit subpixel signal into the (M−N)-bit subpixel signal using the dithering mask pattern. | 09-18-2008 |
20100028545 | POLYMER SOLUTION, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF TRANSPARENT CONDUCTIVE POLYMER FILM - Provided are a polymer solution to be coated to manufacture a transparent conductive polymer film, a method of manufacturing the polymer solution, and a method of manufacturing a transparent conductive polymer film using the polymer solution. The polymer solution includes: polyvinyl alcohol (PVA) for controlling electrical conductivity of the transparent conductive polymer film; polyvinylacetamide (PNVA) for controlling structural strength of the polymer solution; polyacrylamide (PAAM) for controlling frictional resistance and an adhesion characteristic; nitric acid functioning as an electron-acceptor in an oxidation-reduction reaction; methyl methacrylate (MMA) for controlling transmittance of the transparent conductive polymer film; and a normal methyl pyrrolidone (AMP) solvent for maintaining viscosity of the polymer solution. A polymer solution can be manufactured without using metals, carbon powder, or oxides, and a transparent conductive polymer film with high electrical conductivity and good transmittance can be manufactured using the polymer solution. | 02-04-2010 |
20110144499 | ULTRASOUND SYSTEM AND METHOD OF SELECTING SLICE IMAGE FROM THREE-DIMENSIONAL ULTRASOUND IMAGE - Various embodiments of ultrasound system and method of selecting a 2D slice image from a 3D ultrasound image are provided. One embodiment of the ultrasound system comprises: a 3D ultrasound image acquisition unit configured to acquire a 3D ultrasound image of a target object; a 2D slice image selection unit including a control volume unit, the 2D slice image selection unit being configured to be rotated and/or moved by an operator; and a processor coupled to the 3D ultrasound image acquisition unit and the 2D slice image selection unit. At least one selection plane is formed by the control volume unit as a reference plane to select at least one 2D slice image from the 3D ultrasound image. The processor is configured to extract at least one 2D slice image corresponding to the at least one selection plane from the 3D ultrasound image. The 3D ultrasound image or the at least one selection plane are rotated and/or moved together with the control volume unit. | 06-16-2011 |
20140240734 | IMAGE FORMING APPARATUS AND METHOD OF IMAGE FORMING - An image forming apparatus includes an input unit to receive printing data, a controller to determine a duplex printing mode to be applied to the printing data from among a plurality of duplex printing modes and an engine waiting time according to a feature of the input printing data and performance of the image forming apparatus, an image processor to perform image-processing of the input printing data, and an image former to print the image-processed printing data based on the determined duplex printing mode and the determined engine waiting time. | 08-28-2014 |
Patent application number | Description | Published |
20090087743 | ELECTRODE, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE ELECTRODE - An electrode includes a current collector and an active material layer on top of the current collector, wherein the active material layer includes an active material and a binder, and a complex of a first conductive agent and a binding agent is formed on a surface of the active material; a method of manufacturing the same, and a lithium battery including the electrode. | 04-02-2009 |
20100151301 | BATTERY AND BATTERY PACK COMPRISING THE SAME - A battery and a battery pack including the battery. The battery includes: a frame; an electrode assembly disposed around the frame; a main body to house the electrode assembly; and electrode terminals extending from the electrode assembly in a first direction, through the main body. A cooling hole extends through opposing sides of the main body, in a second direction that is generally perpendicular to the first direction. | 06-17-2010 |
20110292024 | Mode Conversion Method, And Display Driving Integrated Circuit And Image Processing System Using The Method - According to an example embodiment, a display driving integrated circuit (IC) includes a timing controller and a plurality of source drivers. The timing controller is configured to output a plurality of signals to the plurality of source drivers, and at least one of the timing controller and the plurality of source drivers operates in a power down mode in at least one of an initializing period, a data transmission period, and a vertical blank period. According to an example embodiment, a mode conversion method used in a display driving IC includes switching between a normal mode to a power down mode in response to a standby control signal. The power down mode is implemented on at least one of a timing controller and a plurality of source drivers included in the display driving IC in at least one of an initializing period, a data transmission period, and a vertical blank period. | 12-01-2011 |
20120100424 | CATHODE ACTIVE MATERIAL, AND CATHODE AND MAGNESIUM BATTERY INCLUDING THE SAME - Cathode active materials, and cathodes and magnesium batteries including the cathode active materials. The cathode active materials, and cathodes and magnesium batteries include a metal sulfide-based nanosheet. | 04-26-2012 |
20120121963 | FLEXIBLE BATTERY AND FLEXIBLE ELECTRONIC DEVICE INCLUDING THE SAME - A flexible battery and a flexible electronic device including the flexible battery as a power source. The flexible battery includes a cell stack comprising a plurality of unit cells, and an external casing sealing the cell stack, wherein each of the unit cells comprises a negative electrode, a positive electrode, an electrolyte layer disposed between the negative electrode and the positive electrode, and a first polymer film at least partially surrounding the negative electrode, the positive electrode, and the electrolyte layer. | 05-17-2012 |
20120171577 | ELECTROLYTE SOLUTION AND MAGNESIUM BATTERY INCLUDING THE SAME - An electrolytic solution including: a magnesium salt; a non-aqueous organic solvent; and an anion receptor, wherein the anion receptor comprises at least one compound selected from the group consisting of compounds represented by Formulae 1 and 2 below: | 07-05-2012 |
20120326079 | COMPOSITE CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY INCLUDING THE COMPOSITE CATHODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE COMPOSITE CATHODE ACTIVE MATERIAL - A composite cathode active material, a cathode and a lithium battery including the composite cathode, and a method of preparing the composite cathode active material, the composite cathode active material including a compound with an olivine crystal structure; and an inorganic material, the inorganic material including a nitride or carbide of at least one element selected from the group of Group 2, Group 13, Group 14, and Group 15 of the periodic table of elements. | 12-27-2012 |
20130009091 | COMPOSITE, METHOD OF MANUFACTURING THE COMPOSITE, ANODE ACTIVE MATERIAL INCLUDING THE COMPOSITE, ANODE INCLUDING THE ANODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE - Provided are a composite including a lithium titanium oxide and a bismuth titanium oxide, a method of manufacturing the composite, an anode active material including the composite, an anode including the anode active material, and a lithium secondary battery having improved cell performance by including the anode. | 01-10-2013 |
20130071753 | COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY INCLUDING THE MATERIAL - A composite cathode active material including an overlithiated metal oxide having a layered structure, a material having an olivine structure, and one or more of: an inorganic material, and nitrogen atoms doped in the material having an olivine structure. The inorganic material includes a nitride or carbide of a non-transition metal. The composite cathode active material may be included in a cathode, and the cathode may be included in a lithium battery. | 03-21-2013 |
20130112915 | COMPOSITE CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY THAT INCLUDE THE COMPOSITE CATHODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE COMPOSITE CATHODE ACTIVE MATERIAL - A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material, the composite cathode active material including a compound having an olivine crystal structure; and an inorganic material, the inorganic material including at least one selected from the group of a metal carbonitride and a carbonitride. | 05-09-2013 |
20130115513 | ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE SAME - An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu—Kα radiation, is at a noise level of an X-ray diffraction spectrum or less. | 05-09-2013 |
20130119306 | COMPOSITE, METHOD OF MANUFACTURING THE COMPOSITE, NEGATIVE ELECTRODE ACTIVE MATERIAL INCLUDING THE COMPOSITE, NEGATIVE ELECTRODE INCLUDING THE NEGATIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A composite, method of manufacturing the composite, negative electrode active material including the composite, negative electrode including the negative electrode active material, and lithium secondary battery including the same, the composite including a lithium titanium oxide, and a bronze phase titanium oxide. | 05-16-2013 |
20130136984 | COMPOSITE NITRIDE, METHOD OF PREPARING THE SAME, ELECTRODE ACTIVE MATERIAL INCLUDING THE COMPOSITE NITRIDE, ELECTRODE INCLUDING THE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - A composite nitride, a method of preparing the composite nitride, an electrode active material including the composite nitride, an electrode including the electrode active material, and a lithium secondary battery including the electrode, the composite nitride including a core material including a bronze-phase titanium oxide; and a nitrogen atom doped on at least part of the core material. | 05-30-2013 |
20130202968 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE NEGATIVE ELECTRODE - A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of a | 08-08-2013 |
20130295431 | FLEXIBLE BATTERY AND FLEXIBLE ELECTRONIC DEVICE INCLUDING THE SAME - A flexible battery and a flexible electronic device including the flexible battery as a power source. The flexible battery includes a cell stack comprising a plurality of unit cells, and an external casing sealing the cell stack, wherein each of the unit cells comprises a negative electrode, a positive electrode, an electrolyte layer disposed between the negative electrode and the positive electrode, and a first polymer film at least partially surrounding the negative electrode, the positive electrode, and the electrolyte layer. | 11-07-2013 |
Patent application number | Description | Published |
20080284965 | Liquid crystal display device and fabricating method thereof - A liquid crystal display device includes a gate line and a data line crossing each other to define a pixel region, a thin film transistor positioned at the crossing of the gate line and the data line, a common line extending in parallel to the gate line, a common electrode connected to the common line and having common finger portions extending into the pixel region, and a pixel electrode connected to a drain electrode of the thin film transistor and having pixel finger portions extending into the pixel region and overlapping the common line. | 11-20-2008 |
20090309822 | Array substrate for in-plane switching mode liquid crystal display device - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate; a gate insulating layer on the gate line; first and second data lines on the gate insulating layer and crossing the gate line to define a pixel region; a first thin film transistor (TFT) in the pixel region and connected to the gate line and the first data line; a second TFT in the pixel region and connected to the gate line and the second data line; a passivation layer on the first and second data lines and the first and second TFTs; a first pattern connected to the first TFT and extending along the gate line; a plurality of first electrodes connected to the first pattern and spaced apart from each other, the plurality of first electrodes parallel to the first and second data lines; a second pattern extending to be parallel to the first pattern; a second electrode extending along the first data line and spaced apart from the first data line by a first distance; a third electrode connected to the second pattern and extending along the second data line, the third electrode connected to the second TFT and spaced apart from the second data line by a second distance; and a plurality of fourth electrodes connected to the second pattern and alternately arranged with the plurality of first electrodes, wherein the plurality of first electrodes and the plurality of fourth electrodes are disposed between the second and third electrodes. | 12-17-2009 |
20090310073 | Array substrate for in-plane switching mode liquid crystal display device and fabricating method of the same - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate, a gate insulating layer on the gate line, first and second data lines on the gate insulating layer and crossing the gate line to define a pixel region, a first extending portion on the gate insulating layer and extending from the second data line, a thin film transistor connected to the gate line and the first data line, a passivation layer on the first and second data lines and the thin film transistor, the passivation layer having a first contact hole exposing a drain electrode of the thin film transistor, a first pattern in the pixel region on the passivation layer, the first pattern connected to the drain electrode through the first contact hole and overlapping the first extending portion, a plurality of first electrodes extending from the first pattern, the plurality of first electrodes parallel to the first and second data lines, a second pattern in the pixel region on the passivation layer and parallel to gate line, the second pattern electrically connected to the second data line, and a plurality of second electrodes extending from the second pattern and alternating with the plurality of first electrodes by a first distance between adjacent first and second electrodes, wherein one of the plurality of first electrodes is spaced apart from the second data line by a distance equal to the first distance or more than the first distance and less than double the first distance, and another of the plurality of first electrodes or one of the plurality of second electrodes is spaced apart from the first data line by a second distance narrower than the first distance. | 12-17-2009 |
20130033567 | METHOD FOR PHOTOGRAPHING PANORAMIC IMAGE - Disclosed is a method for photographing a panoramic image. The method includes comparing an current image input with a previous image to obtain a motion information of a corresponding photographing apparatus, when photographing respective images forming the panoramic image, recognizing a degree of movement of the corresponding photographing apparatus at least based on the obtained motion information, and photographing corresponding image by a manual input or automatically when the recognized degree of movement is satisfied with a pre-set movement distance reference. | 02-07-2013 |
20150356906 | APPARATUS AND METHOD FOR DISPLAYING SCREEN ACCORDING TO INTENSITY OF BRIGHTNESS OF AMBIENT LIGHT - Disclosed are an apparatus and a method for display of a screen according to brightness intensity of ambient light. One or more characteristic values configuring display data is set to be higher than a preset color characteristic value when measured brightness intensity of ambient light is higher than preset brightness intensity of ambient light, and one of the set color characteristic values is converted to a contrast characteristic value and is displayed. Therefore, even when brightness intensity of ambient light is high, the user can accurately view a screen. | 12-10-2015 |
Patent application number | Description | Published |
20100033457 | APPARATUS AND METHOD FOR DISPLAYING SCREEN ACCORDING TO INTENSITY OF BRIGHTNESS OF AMBIENT LIGHT - Disclosed are an apparatus and a method for display of a screen according to brightness intensity of ambient light. One or more characteristic values configuring display data is set to be higher than a preset color characteristic value when measured brightness intensity of ambient light is higher than preset brightness intensity of ambient light, and one of the set color characteristic values is converted to a contrast characteristic value and is displayed. Therefore, even when brightness intensity of ambient light is high, the user can accurately view a screen. | 02-11-2010 |
20100177978 | IMAGE RESTORING APPARATUS AND METHOD THEREOF - Disclosed is an image restoring apparatus and a method thereof, which sets a restoration image area to establish a portion of a target image area to be restored as a restoration image area to be restored with priority according to a request for an image restoration; sets a search area to establish an area with a predetermined size including the restoration image area as a search area; detects a similar image area to search for the most similar image area to the restoration image area within the search area; and reconstructs the deteriorated image in a natural manner by copying the image of the detected similar image area and attaching the same to the restoration image area. | 07-15-2010 |
20110075933 | METHOD FOR DETERMINING FRONTAL FACE POSE - A method for determining a frontal face pose by using the symmetry of a face including detecting a face region in an image, detecting an eye region in the detected face region, normalizing the face region, analyzing the symmetry in the normalized face region, and determining whether a face pose is a frontal face pose based on an analysis of the symmetry. | 03-31-2011 |
20110103706 | IMAGE INPAINTING APPARATUS AND METHOD USING RESTRICTED SEARCH REGION - Disclosed is an image inpainting apparatus and method using a restricted search region. The image inpainting apparatus sets a target image region to be inpainted in response to an image inpainting request, sets a surrounding image region, which has a preset size and includes the set target image region, sets a plurality of similar image regions by grouping similar pixels in the surrounding image region, divides the surrounding image region into the plurality of set similar image regions, divides the target image region according to the similar image regions, sets a search region of each divided target image region, and detects an image of an image region most similar to each divided target image region from the set search region of each divided target image region, thereby performing image inpainting. Accordingly, image inpainting is performed using a search region, which has been determined to include a similar image most similar to an image to inpaint, so that it is possible to increase the probability of searching for an image most similar to the inpainting image region. | 05-05-2011 |
20110148906 | DATA DISPLAY METHOD AND DEVICE - A low power display and a method for display in a display device having an Active Matrix Organic Light Emitting Diodes AMOLED panel are provided. A display window that includes content to be displayed on the AMOLED panel is determined. Luminance values of pixels constituting the display window are grasped. The pixels having luminance values that are to be adjusted are determined in accordance with a distribution degree of pixels having luminance values that are larger than a reference luminance value. The luminance values of the determined pixels are changed to the reference luminance value, and the display window is displayed on the AMOLED panel with the changed luminance values. | 06-23-2011 |
Patent application number | Description | Published |
20090051618 | MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) ANTENNA SYSTEM ADAPTABLE FOR ENVIRONMENTAL MULTIPLICITY - A Multiple Input Multiple Output (MIMO) antenna system adaptable to an environmental multiplicity is provided. A MIMO antenna system includes a first antenna element, a second antenna element, a receiver for receiving at least one of different polarized signals through the first antenna element, a channel estimator for estimating a channel using a signal received via the receiver and a signal received via the second antenna element, and a correlation comparator for controlling the receiver to receive a specific polarized signal according to a correlation calculated from the estimated channel. | 02-26-2009 |
20090066603 | ANTENNA HAVING PARASITIC ELEMENT - An antenna having a parasitic element is disclosed, the antenna including a ground, a radiation unit which is arranged on a different area of the same plane as the ground, and a parasitic element which is selectively connected to the ground, and operates as an antenna element. Where the antenna is in a first mode, electromagnetic waves resonate in the radiation unit, and where the antenna is in a second mode, electromagnetic waves resonate in the radiation unit and the parasitic element. | 03-12-2009 |
20100201581 | DUAL-BAND PLANAR INVERTED-F ANTENNA - An improved and more compact structure of a built-in antenna for handheld terminals, improving radiation pattern and efficiency. Provided is a planar inverted-F antenna having a radiation part having an inductive radiation portion and a parasitic radiation portion which are spaced in a certain distance apart from a ground surface, a power-supply part horizontally spaced apart from the ground surface and for directly supplying currents to the connected inductive radiation portion, and connection parts for connecting the radiation portions to the ground. The planar inverted-F antenna has an inductive antenna portion and a parasitic antenna portion, thereby reducing its volume compared to the conventional inverted-F antenna. Complicated manufacturing and processing procedures are simplified by connecting the power-supplying part and a PCB. | 08-12-2010 |
20130264590 | LIGHT EMITTING LAMP - Disclosed is a light emitting lamp including a light source module including at least one light source and a light guide layer disposed on a substrate burying the at least one light source, and a housing accommodating the light source module, and the at least one light source includes a body having a cavity, a first lead frame including one end exposed to the cavity and the other end passing through the body and exposed to one surface of the body, a second lead frame including one end exposed to one portion of the surface of the body, the other end exposed to the another portion of the surface of the body, and an intermediate part exposed to the cavity, and at least one light emitting chip including a first semiconductor layer, an active layer and a second semiconductor layer, and disposed on the first lead frame. | 10-10-2013 |
20150155330 | LIGHT EMITTING DIODE PACKAGE - One embodiment comprises first and second light-emitting chips, each comprising: a package body having a cavity; first to fourth lead frames disposed inside the package body; a first semiconductor layer; an active layer; and a second semiconductor layer and emitting light of a different wavelength from each other, wherein each of the first to fourth lead frames comprises: an upper surface part exposed to the cavity; and a side surface part bent from one side portion of the upper surface part and exposed by one surface of the package body. In addition, the first light-emitting chip is disposed on the upper surface part of the first lead frame, and the second light-emitting chip is disposed on the upper surface part of the third lead frame. | 06-04-2015 |