Abstract:
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.
Abstract:
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.
Abstract:
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.
Abstract:
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.
Abstract:
A multilayered white light emitting diode and a method of fabricating the same include forming a phosphor mixture layer including a green phosphor and a blue phosphor on a UV light emitting diode and forming a red quantum dot layer on the phosphor mixture layer. In the white light emitting diode of the present invention, the quantum dots are excited by green and blue visible light, thus increasing luminescence efficiency and realizing stable white light. Moreover, the white light emitting diode can be widely used as a light source having high output and high efficiency, thus being capable of substituting for a backlight unit of an illumination device or display device.
Abstract:
The present invention relates to an on-site audio center system based on an Audio over Internet protocol (AoIP), capable of efficiently transmitting audio by connecting a plurality of audio input devices to a plurality of audio output devices in a one-to-one manner through audio transmitting modules and audio receiving modules, so that an AoIP network is easily configured through a control personal computer (PC).
Abstract:
A semiconductor memory apparatus includes: a memory cell area including a plurality of memory cells each coupled between a word line and a bit line; and a controller configured to set a word line voltage and a bit line voltage at the same time, in response to a program command.
Abstract:
A system for providing a virtual electronic device, which allows a user to experience the use of an actual electronic device like a real experience before purchasing the actual electronic device, is disclosed. The system may include a virtual electronic providing apparatus which includes a virtual electronic device having software and hardware interfaces for executing functions of an actual electronic device and executes the virtual electronic device in response to a request of a user terminal or transmits the virtual electronic device to the user terminal. Thus, the user can experience the major features of the actual electronic device in advance before purchasing the actual electronic device and sufficiently review the basic and additional features of the actual electronic device that the user wants to purchase.
Abstract:
Various embodiments of a semiconductor apparatus having a discharge technology are disclosed. In one exemplary embodiment, the semiconductor apparatus may include a plurality of lines in which a selected line is driven by a first control voltage and an unselected line is driven by a second control voltage with a level lower than the first control voltage. The apparatus may also include a discharge control unit configured to form a discharge current path between a discharge node of the selected line and a common discharge node of the unselected line and induce a predetermined voltage difference between the discharge node and the common discharge node; and a common discharge unit configured to discharge current flowing through the discharge current path.
Abstract:
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.