Patent application number | Description | Published |
20080211421 | Light Emitting Device For Ac Power Operation - Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power source, resulting in short light emission time during a ½ cycle and the occurrence of a flicker effect. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 09-04-2008 |
20080217629 | Ac Light Emitting Diode Having Improved Transparent Electrode Structure - Disclosed is an AC light emitting diode having an improved transparent electrode structure. The light emitting diode comprises a plurality of light emitting cells formed on a single substrate, each of the light emitting cells having a first conductive type semiconductor layer, a second conductive type semiconductor layer positioned on one region of the first conductive type semiconductor layer, and an active layer interposed between the first and second conductive type semiconductor layers. A transparent electrode structure is positioned on each of the light emitting cells. The transparent electrode structure includes at least two portions separated from each other, or a center portion and branches laterally extending from both sides of the center portion. Meanwhile, wires electrically connect adjacent two of the light emitting cells. Accordingly, a plurality of light emitting cells are electrically connected, whereby a light emitting diode can be provided which can be driven under AC power source. Also, an improved transparent electrode structure is employed, so that the current density can be prevented from being locally increased. | 09-11-2008 |
20080218098 | Light Emitting Device with Light Emitting Cells Arrayed - The present invention relates to a light emitting device. The light emitting device according to the present invention comprises a light emitting cell block having a plurality of light emitting cells; and a bridge rectifying circuit connected to input and output terminals of the light emitting cell block, wherein the bridge rectifying circuit includes a plurality of diodes between nodes. In manufacturing an AC light emitting device with a bridge rectifying circuit built therein, the present invention can provide a light emitting device capable of enhancing the reliability and luminance of the light emitting device by setting the size of diodes of the bridge rectifying circuit to be a certain size and controlling the number thereof. | 09-11-2008 |
20080237613 | Ac Light Emitting Device Having Photonic Crystal Structure and Method of Fabricating the Same - Disclosed is an AC light emitting device having photonic crystal structures and a method of fabricating the same. The light emitting device includes a plurality of light emitting cells and metallic wirings electrically connecting the light emitting cells with one another. Further, each of the light emitting cells includes a first conductive type semiconductor layer, a second conductive type semiconductor layer disposed on one region of the first conductive type semiconductor layer, and an active layer interposed between the first and second conductive type semiconductor layers. In addition, a photonic crystal structure is formed in the second conductive type semiconductor layer. The photonic crystal structure prevents light emitted from the active layer from laterally propagating by means of a periodic array, such that light extraction efficiency of the light emitting device can be improved. Furthermore, the metallic wirings electrically connect a plurality of light emitting cells with one another such that an AC light emitting device can be provided. | 10-02-2008 |
20090045720 | Method for producing nanowires using porous glass template, and multi-probe, field emission tip and devices employing the nanowires - Disclosed herein is a method for producing nanowires, which features the use of a porous glass template in combination with a solid-liquid-solid or vapor-liquid-solid process for growing nanowires which are highly straight and have nanoparticles precisely arranged therein. The nanowires can be grown into composite structures of superlattices and hybrids by modulating the composition of the materials provided thereto. Also disclosed is the use of the nanowires in multi-probes, field emission tips, and devices. | 02-19-2009 |
20090050848 | METAL HYDROXY CARBONATE NANOPARTICLE COATED PHOSPHOR AND METHOD FOR PREPARING THE SAME - Disclosed herein are a metal hydroxy carbonate nanoparticle-coated phosphor and a preparation method thereof. The phosphor coated with metal hydroxy carbonate nanoparticles exhibit improved thermal stability and an increased luminance lifespan, when applied to display devices, e.g., PDPs and lamps. | 02-26-2009 |
20090075082 | METHOD FOR PREPARING NANOPHOSPHOR FROM METAL HYDROXY CARBONATE AND NANOPHOSPHOR PREPARED BY THE METHOD - Disclosed herein is a method for preparing a nanophosphor from a metal hydroxy carbonate and a nanophosphor prepared by the method. The method is capable of mass-production of a uniform particle-size nanophosphor with superior dispersibility and enables reduction in preparation costs. The nanophosphor prepared by the disclosed method exhibits high luminescence efficiency. | 03-19-2009 |
20090140936 | ANTENNA DEVICE OF PORTABLE WIRELESS TERMINAL - An antenna device for a portable wireless terminal including a main built-in antenna for transmitting and receiving signals of one and more frequency bands is provided. The antenna device includes an external case on which a wireless terminal is disposed. The external case comprises an antenna radiator of at least one. In addition, the antenna device includes a control part for selectively controlling use of at least one of the at least one antenna radiator and a main built-in antenna of the wireless terminal. | 06-04-2009 |
20090166645 | LIGHT EMITTING DIODE HAVING A THERMAL CONDUCTIVE SUBSTRATE AND METHOD OF FABRICATING THE SAME - Disclosed are a light emitting diode having a thermal conductive substrate and a method of fabricating the same. The light emitting diode includes a thermal conductive insulating substrate. A plurality of metal patterns are spaced apart from one another on the insulating substrate, and light emitting cells are located in regions on the respective metal patterns. Each of the light emitting cells includes a P-type semiconductor layer, an active layer and an N-type semiconductor layer. Meanwhile, metal wires electrically connect upper surfaces of the light emitting cells to adjacent metal patterns. Accordingly, since the light emitting cells are operated on the thermal conductive substrate, a heat dissipation property of the light emitting diode can be improved. | 07-02-2009 |
20090239595 | MULTI-BAND BUILT-IN ANTENNA - A multi-band built-in antenna for a portable wireless terminal is provided. In the multi-band built-in antenna, a first radiation part processes signals of a first frequency band. A second radiation part, spaced apart from the first radiation part and electrically connected to the first radiation part, processes signals of a second frequency band lower than the first frequency band. And, a sub-radiator is electrically connected to the second radiation part and the sub-radiator is movable. | 09-24-2009 |
20090278757 | MOBILE TERMINAL HAVING METAL CASE AND ANTENNA STRUCTURE - A mobile terminal including a metal case and an antenna structure that can exhibit optimum radiation performance is provided. The antenna structure includes an antenna having a radiation unit for transmitting and for receiving electric waves, a Printed Circuit Board (PCB) to which the antenna is mechanically coupled at one surface thereof and having a power supply unit electrically coupled to the radiation unit, and a case constructed using a metal material within which the PCB is disposed, wherein the case has at least one slot formed in a surface thereof opposite to the surface to which the PCB is fastened and adjacent to the radiation unit. | 11-12-2009 |
20090289860 | ACTIVE MAGNETIC ANTENNA WITH FERRITE CORE - An active magnetic antenna with a ferrite core having a winding is provided, forming a frame magnetic antenna which is connected with a low-noise transistor, to amplify a signal of the frame magnetic antenna. A base of the transistor is connected directly to one contact of the winding, and a second contact of the winding is capable of shifting a voltage of the base of the transistor. The impedance of the frame magnetic antenna is adjusted as a complex conjugate with an impedance of the base of the transistor of the low-noise amplifier, and the winding eliminates its own resonances. | 11-26-2009 |
20090303148 | ANTENNA DEVICE FOR SHIFTING RESONANCE FREQUENCY - An antenna device for shifting a resonance frequency including an antenna pattern having a first resonance frequency and a magnetic body disposed within a predetermined distance of or contacting with one side of the antenna pattern for shifting the first resonance frequency to a second resonance frequency. When the first resonance frequency of the antenna pattern is shifted to the second resonance frequency, radiation efficiency is not reduced. | 12-10-2009 |
20090311816 | AC LIGHT EMITTING DEVICE HAVING PHOTONIC CRYSTAL STRUCTURE AND METHOD OF FABRICATING THE SAME - Disclosed is an AC light emitting device having photonic crystal structures and a method of fabricating the same. The light emitting device includes a plurality of light emitting cells and metallic wirings electrically connecting the light emitting cells with one another. Further, each of the light emitting cells includes a first conductive type semiconductor layer, a second conductive type semiconductor layer disposed on one region of the first conductive type semiconductor layer, and an active layer interposed between the first and second conductive type semiconductor layers. In addition, a photonic crystal structure is formed in the second conductive type semiconductor layer. The photonic crystal structure prevents light emitted from the active layer from laterally propagating by means of a periodic array, such that light extraction efficiency of the light emitting device can be improved. Furthermore, the metallic wirings electrically connect a plurality of light emitting cells with one another such that an AC light emitting device can be provided. | 12-17-2009 |
20090315789 | ANTENNA DEVICE OF MOBILE TERMINAL - An antenna device of a mobile terminal that can secure radiation performance is provided. The antenna device having a battery cover composed of a metal material includes a radiation unit for transmitting and receiving a signal, a feeding unit formed at an end portion of a first side of the radiation unit for electrically connecting the radiation unit to a Printed Circuit Board (PCB), and a ground part disposed a predetermined distance from the feeding unit and formed at a second side of the radiation unit. When the battery cover is fastened to the mobile terminal, the ground part contacts a first side of the battery cover. | 12-24-2009 |
20100006870 | LIGHT EMITTING DEVICE - The present invention relates to a light emitting device. According to the present invention, the light emitting device comprises a substrate, a plurality of light emitting cells disposed on the substrate, a first insulation layer disposed on each light emitting cell, an electrically conductive material disposed on the first insulation layer to couple two of the light emitting cells, and a second insulation layer disposed on the electrically conductive material. Each light emitting cell comprises a first semiconductor layer, a second semiconductor layer, and an inclined surface. The second insulation layer corresponds to a contour of each light emitting cell. | 01-14-2010 |
20100047943 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting device and a method of manufacturing the light emitting device. According to the present invention, the light emitting device comprises a substrate, an N-type semiconductor layer formed on the substrate, and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein a side surface including the N-type or P-type semiconductor layer has a slope of 20 to 80° from a horizontal plane. Further, the present invention provides a light emitting device comprising a substrate formed with a plurality of light emitting cells each including an N-type semiconductor layer and a P-type semiconductor layer formed on the N-type semiconductor layer, and a submount substrate flip-chip bonded onto the substrate, wherein the N-type semiconductor layer of one light emitting cell and the P-type semiconductor layer of another adjacent light emitting cell are connected to each other, and a side surface including at least the P-type semiconductor layer of the light emitting cell has a slope of 20 to 80° from a horizontal plane. Further, the present invention provides a method of manufacturing the light emitting device. Accordingly, there is an advantage in that the characteristics of a light emitting device such as luminous efficiency, external quantum efficiency and extraction efficiency are enhanced and the reliability is secured such that light with high luminous intensity and brightness can be emitted. | 02-25-2010 |
20100051583 | METHOD FOR PREPARING POROUS MATERIAL USING NANOSTRUCTURES AND POROUS MATERIAL PREPARED BY THE SAME - Disclosed herein is a method for preparing a porous material using nanostructures. The method comprises the steps of producing nanostructures using a porous template, dispersing the nanostructures in a source or precursor material for the porous material, aligning the nanostructures in a particular direction, and removing the nanostructures by etching. According to the method, the size, shape, orientation and regularity of pores of the porous material can be easily controlled, and the preparation of the porous material is simplified, leading to a reduction in preparation costs. | 03-04-2010 |
20100078658 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting device and a method of manufacturing the light emitting device. According to the present invention, the light emitting device comprises a substrate, an N-type semiconductor layer formed on the substrate, and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein a side surface including the N-type or P-type semiconductor layer has a slope of 20 to 80° from a horizontal plane. Further, the present invention provides a light emitting device comprising a substrate formed with a plurality of light emitting cells each including an N-type semiconductor layer and a P-type semiconductor layer formed on the N-type semiconductor layer, and a submount substrate flip-chip bonded onto the substrate, wherein the N-type semiconductor layer of one light emitting cell and the P-type semiconductor layer of another adjacent light emitting cell are connected to each other, and a side surface including at least the P-type semiconductor layer of the light emitting cell has a slope of 20 to 80° from a horizontal plane. Further, the present invention is provides a method of manufacturing the light emitting device. Accordingly, there is an advantage in that the characteristics of a light emitting device such as luminous efficiency, external quantum efficiency and extraction efficiency are enhanced and the reliability is secured such that light with high luminous intensity and brightness can be emitted. | 04-01-2010 |
20100090921 | BUILT-IN ANTENNA DEVICE FOR PORTABLE WIRELESS TERMINAL - A built-in antenna device for improving the radiation efficiency in a portable wireless terminal having an external metallic part is provided. The built-in antenna device includes a main board, an antenna radiator, and a conductor. The main board has a feed pad for supplying an electrical signal and a ground pad connected to ground. The antenna radiator is connected electrically to the feed pad and the ground pad of the main board to radiate a signal. The conductor connects the metallic part and the ground pad of the main board. The metallic part and the ground pad of the main board are at the same ground potential. | 04-15-2010 |
20100096648 | AC LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME - The present invention relates to an AC light emitting diode. An object of the present invention is to provide an AC light emitting diode wherein various designs for enhancement of the intensity of light, prevention of flickering of light or the like become possible, while coming out of a unified method of always using only one metal wire with respect to one electrode when electrodes of adjacent light emitting cells are connected through metal wires. To this end, the present invention provides an AC light emitting diode comprising a substrate; bonding pads positioned on the substrate; a plurality of light emitting cells arranged in a matrix form on the substrate; and a wiring means electrically connecting the bonding pads and the plurality of light emitting cells, wherein the wiring means includes a plurality of metal wires connecting an electrode of one of the light emitting cells with electrodes of other electrodes adjacent to the one of the light emitting cells. | 04-22-2010 |
20100109074 | Gate structure, semiconductor memory device having the gate structure and methods of fabricating the same - A gate structure using nanodots as a trap site, a semiconductor device having the gate structure and methods of fabricating the same are provided. The gate structure may include a tunneling layer, a plurality of nanodots on the tunneling layer, and a control insulating layer including a high-k dielectric layer on the tunneling layer and the nanodots. A semiconductor memory device may further include a semiconductor substrate, the gate structure according to example embodiments on the semiconductor substrate and a first impurity region and a second impurity region in the semiconductor substrate, wherein the gate structure is in contact with the first and second impurity regions. | 05-06-2010 |
20100118809 | Apparatus and method for allocating ID cell to avoid preamble pseudo noise code duplication in broadband wireless communication system - An apparatus is configured to allocate an IDentification (ID) cell to avoid duplication of a preamble Pseudo Noise (PN) code in a broadband wireless communication system. The apparatus selects one sector inside the system. A temporary ID cell for the selected sector is selected. Whether an ID cell of a sector to which an ID cell has been already allocated inside a minimum unit group for ID cell allocation is the same as the temporary ID cell is determined. Whether PN codes of sectors inside a neighbor list of the selected sector are the same as temporary PN codes determined using the temporary ID cell are determined. When the temporary ID cell is not duplicated and the temporary PN codes are not duplicated, the selected temporary ID cell is allocated as an ID cell of the selected sector. | 05-13-2010 |
20100149051 | ANTENNA DEVICE FOR PORTABLE WIRELESS TERMINAL - An antenna device of a portable wireless terminal is provided. The device includes a mainboard, a slot cover, and an electrical connection unit. The mainboard includes a feed part connected to a Radio Frequency (RF) connector. The slot cover opens/closes a slot formed in a case frame forming an appearance of the portable wireless terminal in order to connect to a connector of an external apparatus, and includes an antenna radiator for transmitting/receiving a signal in a relevant frequency band. The electrical connection unit electrically connects the slot cover with the feed part. Therefore, the antenna device may improve a radiation performance by securing a space of the antenna radiator without increasing the volume of the terminal. | 06-17-2010 |
20100219742 | HALOPHOSPHATE PHOSPHORS AND METHOD OF PREPARING THE SAME - A method of preparing a halophosphate phosphor represented by Formula 1, the method comprising: mixing a metallic precursor compound, which comprises strontium pyrophosphate, strontium chloride and strontium carbonate, and an activator precursor compound to form a mixture; sintering the mixture under an oxygen or air atmosphere to form a sintered mixture; milling the sintered mixture to form a milled product, and sintering the milled product under a reducing atmosphere: | 09-02-2010 |
20100277084 | LIGHT EMITTING DEVICE FOR AC POWER OPERATION - Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power source, resulting in short light emission time during a ½ cycle and the occurrence of a flicker effect. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 11-04-2010 |
20100302890 | Electrical Fuse, Semiconductor Device Having the Same, and Method of Programming and Reading the Electrical Fuse - Provided are an electrical fuse, a semiconductor device having the same, and a method of programming and reading the electrical fuse. The electrical fuse includes first and second anodes disposed apart from each other. A cathode is interposed between the first and second anodes. A first fuse link couples the first anode to the cathode, and a second fuse link couples the second anode to the cathode. | 12-02-2010 |
20100309064 | Built-in antenna for global positioning system in a portable terminal - A built-in antenna apparatus for a Global Positioning System (GPS) of a portable terminal is provided. The apparatus includes a case frame for forming an exterior of the terminal, a main board fastened by the case frame and having a feeding portion and a ground portion of an antenna radiator, and an antenna radiator having a feeding point and ground point to be electrically connected to the feeding portion and ground portion of the main board, and is curved in a horizontal direction and a vertical direction of the terminal about a center of one upper-side corner of the terminal. | 12-09-2010 |
20110006315 | AC LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME - The present invention relates to an AC light emitting diode. An object of the present invention is to provide an AC light emitting diode wherein various designs for enhancement of the intensity of light, prevention of flickering of light or the like become possible, while coming out of a unified method of always using only one metal wire with respect to one electrode when electrodes of adjacent light emitting cells are connected through metal wires. To this end, the present invention provides an AC light emitting diode comprising a substrate; bonding pads positioned on the substrate; a plurality of light emitting cells arranged in a matrix form on the substrate; and a wiring means electrically connecting the bonding pads and the plurality of light emitting cells, wherein the wiring means includes a plurality of metal wires connecting an electrode of one of the light emitting cells with electrodes of other electrodes adjacent to the one of the light emitting cells. | 01-13-2011 |
20110014744 | Organic memory devices and methods of fabricating such devices - Disclosed herein are organic memory devices and methods for fabricating such devices. The organic memory devices comprise a first electrode, a second electrode and an organic active layer extending between the first and second electrodes wherein the organic active layer is formed from one or more electrically conductive organic materials that contain heteroatoms and which are configured in such a manner as that the heteroatoms are available for linking or complexing metal atoms within the organic active layer. The metal ions may then be reduced to form metal filaments within the organic active layer to form a low resistance state and the metal filaments may, in turn, be oxidized to form a high resistance state and thereby function as memory devices. | 01-20-2011 |
20110031891 | LIGHT EMITTING DEVICE FOR AC POWER OPERATION - Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power source, resulting in short light emission time during a ½ cycle and the occurrence of a flicker effect. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 02-10-2011 |
20110059234 | METAL PATTERN COMPOSITION AND METHOD OF FORMING METAL PATTERN USING THE SAME - Disclosed is a metal pattern composition including a conductive metal or a conductive metal precursor compound, and a carboxylic acid-amine base ion pair salt. | 03-10-2011 |
20110077064 | APPARATUS AND METHOD FOR ANTENNA MATCHING IN PORTABLE TERMINAL - An apparatus and method for antenna matching according to a position and an angle of a portable terminal is provided. Operations of the portable terminal include, when at least one of a position and an angle of the portable terminal is changed, determining an optimal Tunable Matching Network (TMN) set value corresponding to the position and the angle, and performing antenna matching according to the optimal TMN set value. | 03-31-2011 |
20110135823 | METAL ORGANIC PRECURSOR, A METHOD OF PREPARING THE SAME, AND A METHOD OF FORMING A CONDUCTIVE METAL FILM OR PATTERN - A metal organic precursor, including a metal-chelate complex including a chelate including a Groups 3 to 12 metal ion, a chelating ligand, and an anion bound to the chelate, wherein the chelating ligand forms a reducing compound and a volatile material at a temperature of about 160° C. or lower, the anion forms a reducing compound and a volatile material at a temperature of about 180° C. or lower, and the metal-chelate complex is represented by Formula I: | 06-09-2011 |
20110275333 | RE-CONFIGURABLE BUILT-IN ANTENNA FOR PORTABLE TERMINAL - A re-reconfigurable built-in antenna of a portable terminal is provided. The antenna includes an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing an electrical connection to a ground portion of the terminal, and a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation. The antenna radiator changes a shape of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties. | 11-10-2011 |
20120003766 | LIGHT EMITTING DIODE HAVING A THERMAL CONDUCTIVE SUBSTRATE AND METHOD OF FABRICATING THE SAME - Disclosed are a light emitting diode having a thermal conductive substrate and a method of fabricating the same. The light emitting diode includes a thermal conductive insulating substrate. A plurality of metal patterns are spaced apart from one another on the insulating substrate, and light emitting cells are located in regions on the respective metal patterns. Each of the light emitting cells includes a P-type semiconductor layer, an active layer and an N-type semiconductor layer. Meanwhile, metal wires electrically connect upper surfaces of the light emitting cells to adjacent metal patterns. Accordingly, since the light emitting cells are operated on the thermal conductive substrate, a heat dissipation property of the light emitting diode can be improved. | 01-05-2012 |
20120013260 | LIGHT EMITTING DEVICE WITH LIGHT EMITTING CELLS ARRAYED - The present invention relates to a light emitting device. The light emitting device according to the present invention comprises a light emitting cell block having a plurality of light emitting cells; and a bridge rectifying circuit connected to input and output terminals of the light emitting cell block, wherein the bridge rectifying circuit includes a plurality of diodes between nodes. In manufacturing an AC light emitting device with a bridge rectifying circuit built therein, the present invention can provide a light emitting device capable of enhancing the reliability and luminance of the light emitting device by setting the size of diodes of the bridge rectifying circuit to be a certain size and controlling the number thereof. | 01-19-2012 |
20120074439 | FLAT PANEL DISPLAY AND METHOD FOR MAKING THE SAME - A flat panel display includes a thin film transistor formed on a substrate; a planarization layer formed on the thin film transistor; a first electrode layer formed on the planarization layer and electrically connected with the thin film transistor through the via hole formed in the planarization layer; a pixel definition layer formed on the planarization layer and in which an opening for at least partially exposing the first electrode layer is formed; an adhesive reinforcement layer formed at least between the planarization layer and the pixel definition layer on the top of the planarization layer; an emitting layer formed on the first electrode layer; and a second electrode layer formed on the emitting layer and the pixel definition layer. The flat panel display has an improved adhesive property between a pixel definition layer and a planarization layer, which prevents a chipping phenomenon of the pixel definition layer. | 03-29-2012 |
20120104330 | METAL INK COMPOSITION, METHOD OF FORMING A CONDUCTIVE METAL FILM USING THE SAME, AND CONDUCTIVE METAL FILM USING THE SAME - Provided herein is a metal ink composition, including an organism-derived adhesive material. Such a metal ink composition is eco-friendly and is adhered to an adherent with excellent adhesion even when added in a small content. Further, the metal ink composition is not condensed by thermal sintering, and thus exhibits excellent patternability. | 05-03-2012 |
20120177895 | METHOD OF PATTERNING METAL AND ASSEMBLY FOR FORMING A PATTERNED METAL FILM - A method of patterning a metal to form a patterned metal film. The method includes patterning a surface-treating composition including a polymer and a reductant on a surface of a substrate; and applying a metal source onto the substrate to form a patterned metal film. | 07-12-2012 |
20120212378 | ANTENNA DEVICE OF MOBILE TERMINAL - An antenna device of a mobile terminal that can secure radiation performance is provided. The antenna device having a battery cover composed of a metal material includes a radiation unit for transmitting and receiving a signal, a feeding unit formed at an end portion of a first side of the radiation unit for electrically connecting the radiation unit to a Printed Circuit Board (PCB), and a ground part disposed a predetermined distance from the feeding unit and formed at a second side of the radiation unit. When the battery cover is fastened to the mobile terminal, the ground part contacts a first side of the battery cover. | 08-23-2012 |
20120217885 | LIGHT EMITTING DEVICE FOR AC POWER OPERATION - Disclosed is an improved light-emitting device for an AC power operation. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 08-30-2012 |
20130020593 | AC LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME - The present invention relates to a light emitting device, including a plurality of light guide portions, a reflection prevention substance disposed on an inclined surface of each light guide portion of the plurality of light guide portions, and a plurality light emitting regions. Each light emitting region includes a first-type semiconductor layer, a second-type semiconductor layer, and an active layer disposed between the first-type semiconductor layer and the second-type semiconductor layer. Each light guide portion of the plurality of light guide portions is surrounded by light emitting regions of the plurality of light emitting regions. | 01-24-2013 |
20130136666 | SEPARATION MEMBRANE, METHOD OF MANUFACTURE THEREOF, AND APPARATUS INCLUDING THE SEPARATION MEMBRANE - A separation membrane including an alloy including a Group 5 element and Ir, wherein the alloy includes a body centered cubic crystal structure. | 05-30-2013 |
20130169174 | LIGHT EMITTING DEVICE FOR AC POWER OPERATION - Disclosed is an improved light-emitting device for an AC power operation. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 07-04-2013 |
20130206002 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING THE SEPARATION MEMBRANE, AND HYDROGEN PURIFIER INCLUDING THE HYDROGEN SEPARATION MEMBRANE - A separation membrane including an alloy wherein the alloy includes at least one Group 5 element and at least one Group 14 element, wherein the at least one Group 5 element and the at least one Group 14 element of the alloy define a body centered cubic structure. | 08-15-2013 |
20130234173 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting device. The light emitting device comprises a substrate, an N-type semiconductor layer formed on the substrate, and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein a side surface including the N-type or P-type semiconductor layer has a slope of 20 to 80° from a horizontal plane. Further, a light emitting device comprises a substrate formed with a plurality of light emitting cells each including an N-type semiconductor layer and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein the N-type semiconductor layer of one light emitting cell and the P-type semiconductor layer of another adjacent light emitting cell are connected to each other, and a side surface including at least the P-type semiconductor layer of the light emitting cell has a slope of 20 to 80° from a horizontal plane. | 09-12-2013 |
20130243660 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING THE SEPARATION MEMBRANE, AND DEVICE INCLUDING THE HYDROGEN SEPARATION MEMBRANE - A separation membrane including an alloy, the alloy including at least one Group 5 element, and at least one selected from Pt and Ir. | 09-19-2013 |
20130341592 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting device. The light emitting device comprises a substrate, an N-type semiconductor layer formed on the substrate, and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein a side surface including the N-type or P-type semiconductor layer has a slope of 20 to 80° from a horizontal plane. Further, a light emitting device comprises a substrate formed with a plurality of light emitting cells each including an N-type semiconductor layer and a P-type semiconductor layer formed on the N-type semiconductor layer, wherein the N-type semiconductor layer of one light emitting cell and the P-type semiconductor layer of another adjacent light emitting cell are connected to each other, and a side surface including at least the P-type semiconductor layer of the light emitting cell has a slope of 20 to 80° from a horizontal plane. | 12-26-2013 |
20140112836 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING SEPARATION MEMBRANE, AND DEVICE INCLUDING HYDROGEN SEPARATION MEMBRANE - A separation membrane including: an alloy including a Group 5 element, Fe, and Al, wherein the alloy includes a body-centered cubic lattice structure. | 04-24-2014 |
20140308177 | HYDROGEN SEPARATION MEMBRANE AND DEVICE INCLUDING HYDROGEN SEPARATION MEMBRANE - A hydrogen separation membrane including: a metal layer including the at least one Group 5 element; and a transition metal catalyst layer on the metal layer, the transition metal catalyst layer including at least one transition metal and at least one of phosphorus (P) or boron (B). | 10-16-2014 |