Abstract: There is provided a multilayer ceramic electronic part to be embedded in a board, the multilayer ceramic electronic part including: a ceramic body including dielectric layers; first and second internal electrodes disposed in the ceramic body; first and second external electrodes formed on the respective end portions of the ceramic body, and a third external electrode formed on first and second main surfaces of the ceramic body, wherein an outermost first internal electrode among the first internal electrodes is connected to the first and second external electrodes through at least one first via, and the second internal electrodes are connected to the third external electrode through at least one second via.

Abstract: There is provided an embedded multilayer ceramic electronic component including: a ceramic body including dielectric layers; first internal electrodes and second internal electrodes having first and second leads; first dummy electrodes and second dummy electrodes; and first and second external electrodes, wherein when a length from ends of the first and second external electrodes formed on first and second lateral surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is G, a length of the first and second external electrodes formed on the first and second lateral surfaces of the ceramic body up to end surfaces of the ceramic body is BW, and a length from the end surfaces of the ceramic body to the first and second external electrodes corresponding to the first and second leads is M, 30 ?m?G<BW?M is satisfied.

Abstract: A multilayer ceramic electronic component to be embedded in a board includes: a ceramic body including dielectric layers; first and second internal electrodes formed in the ceramic body; and first-polarity external electrodes connected to the first internal electrodes, and second-polarity external electrodes connected to the second internal electrodes, wherein the number of the first-polarity external electrodes and the number of the second-polarity external electrodes may be two or more, the first-polarity and second-polarity external electrodes may include first-polarity and second-polarity base electrodes and first-polarity and second-polarity terminal electrodes formed on the first-polarity and second-polarity base electrodes, respectively, when L denotes a length of the ceramic body and W denotes a width thereof, W/L?0.

Abstract: There is provided a multilayer ceramic capacitor to be embedded in a board, including: a ceramic body; first and second internal electrodes alternately exposed through end surfaces of the ceramic body; first and second external electrodes formed on end surfaces of the ceramic body; and first and second plating layers enclosing the first and second external electrodes, wherein when distance from one end of bands of the first or second external electrode to the other end thereof is ‘A’ and distance between points at which a virtual line drawn from a point vertically spaced apart from a surface of the first or second plating layer at a point ½×A from one end of the bands inwardly of the ceramic body by 3 ?m in length direction of the ceramic body intersects points on the surface of the first or second plating layer is ‘B,’ B/A?0.6.

Abstract: There is provided a multilayer ceramic electronic component to be embedded in a board, including a ceramic body including dielectric layers and having first and second main surfaces facing each other, first and second side surfaces facing each other, and first and second end surfaces facing each other, an active layer including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body with the dielectric layers interposed therebetween, to form capacitance therein, upper and lower cover layers formed on upper and lower portions of the active layer, and first and second external electrodes formed on both end surfaces of the ceramic body, wherein when a thickness of the upper or lower cover layer is defined as tc, 4 ?m?tc?20 ?m may be satisfied.

Abstract: There is provided a multilayer ceramic electronic part to be embedded in a board including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes; upper and lower cover layers disposed on and below the active layer, respectively; and first and second external electrodes formed on both end portions of the ceramic body, wherein a first internal electrode positioned at an outermost position among the first electrodes is connected to the first external electrode by at least one first via extended to at least one of first and second main surfaces of the ceramic body, and a second internal electrode positioned at an outermost position among the second internal electrodes is connected to the second external electrode by at least one second via extended to at least one of first and second main surfaces of the ceramic body.

Abstract: An illumination apparatus capable of controlling current amounts of LEDs and enabling various electrical connections is provided. An applied driving voltage is divided, and a divided voltage is compared with a reference voltage to generate sampling signals. A logic operation is performed on the sampling signals to generate a switch control signal and a current control signal. The switch control signal controls electrical connection of LEDs to which the driving voltage is applied. Also, the current control signal may select LEDs that are to perform light emitting operations. A target voltage is set by processing the sampling signals and used to determine driving currents of the LEDs that are to perform the light emitting operations.

Abstract: A backlight driving apparatus that drives a backlight unit having a plurality of LEDs is provided, which includes a rectifying unit rectifying an AC voltage and generating a driving voltage for the plurality of LEDs, a plurality of connection changing units changing connection relations between the plurality of LEDs depending on a level of the driving voltage, and a light output compensation unit generating a compensation voltage using the driving voltage and selectively supplying the compensation voltage to the plurality of LEDs.

Abstract: A constant-current-drive LED module device includes a rectifier configured to receive and rectify an alternating current power source; a unidirectional LED module unit configured to connect to one end of the rectifier; and a constant current unit configured to connect between the unidirectional LED module unit and the other end of the rectifier to control constant current.

Abstract: There is provided an embedded multilayer ceramic electronic component including a ceramic body including dielectric layers, having first and second main surfaces, first and second side surfaces, and first and second end surfaces, and having a thickness of 250 ?m or less, first and second internal electrodes alternately exposed to the first or second side surface, and first and second external electrodes formed on the first and second side surfaces, wherein the first external electrode includes a first electrode layer and a first metal layer, the second external electrode includes a second electrode layer and a second metal layer, the first and second external electrodes are extended onto the first and second main surfaces, and widths of the first and second external electrodes formed on the first and second main surfaces are different from each other.

Abstract: There are provided multilayer ceramic capacitor, a manufacturing method therefor, a circuit board having a multilayer ceramic capacitor embedded therein, and a polishing device for a multilayer ceramic capacitor.

Abstract: There is provided an embedded multilayer ceramic electronic component, including: a ceramic body including dielectric layers; first and second internal electrodes facing each other with the dielectric layers interposed therebetween; a first external electrode and a second external electrode formed on external surfaces of the ceramic body, the first external electrode being electrically connected to the first internal electrodes and the second external electrode being electrically connected to the second internal electrodes; and a plating layer formed on the first external electrode and the second external electrode, wherein a surface roughness of the ceramic body is 500 nm or greater and not greater than a thickness of a ceramic cover sheet and a surface roughness of the plating layer is 300 nm or greater and not greater than a thickness of the plating layer.

Abstract: A system for repairing a plurality of semiconductor chips each comprising a data storage region including electric fuses connected to the data storage regions of the plurality of semiconductor chips, a defect determination unit configured to read the data of a chip that is actually accessed and the data of an idle chip in the data storage regions, compare the actually accessed and read data with the data of the idle chip, and detect a defect based on a result of the comparison, a storage unit configured to store the defective position of the defect according to a result of the defect determination unit, and a repair unit configured to repair the defect through an E fuse connected to the position of the defect using a reset signal.

Abstract: There is provided a multilayer ceramic electronic part, including: a ceramic body including dielectric layers each having an average thickness of 0.6 ?m or less; and first and second internal electrodes disposed to face each other within the ceramic body with the dielectric layer interposed therebetween, wherein the ceramic body includes a capacitance forming part and non-capacitance forming parts, and when the capacitance forming part is divided into 2n+1 (n is 1 or more) regions in a thickness direction of the ceramic body, the dielectric layers of the capacitance forming part get thinner in directions from a central region toward upper and lower regions, whereby continuity of the internal electrode may be improved and a high-capacity multilayer ceramic electronic part may be realized.

Abstract: There is provided a multilayer ceramic electronic part, including: a ceramic body including dielectric layers each having an average thickness of 0.6 ?m or less; and first and second internal electrodes disposed to face each other within the ceramic body with the dielectric layer interposed therebetween, wherein the ceramic body includes a capacitance forming part and non-capacitance forming parts, and when the capacitance forming part is divided into 2n+1 (n is 1 or more) regions in a thickness direction of the ceramic body, the dielectric layers of the capacitance forming part get thinner in directions from a central region toward upper and lower regions, whereby continuity of the internal electrode may be improved and a high-capacity multilayer ceramic electronic part may be realized.

Abstract: An LED driving circuit package includes a rectification unit to receive an AC power voltage and rectify the AC power voltage to generate a ripple voltage, an LED driving switching unit including a plurality of switch units and a plurality of current control units. The LED driving circuit package further includes a low voltage control unit including a circuit power supply unit to generate low voltage power, a voltage detection unit to detect a magnitude of the ripple voltage, a reference frequency generation unit to generate a reference frequency, and a reference pulse generation unit to generate a reference pulse for controlling the operation of the LED driving switch unit according to the reference frequency and a magnitude of the voltage detected by the voltage detection unit.

Abstract: An LED luminescence apparatus includes a plurality of LED units connected in series which are configured to receive a unidirectional ripple voltage, a plurality of switch units, one end of each being connected to the cathode of one of the plurality of LED units, a plurality of constant current control circuit units, one end of each being connected to an another end of a respective switch unit to receive a current from the respective switch unit, each of the constant current control circuit units being configured to output a current control signal to the respective switch unit to control a magnitude of the received current to have a specific value, and a current comparison unit to receive currents flowing from the plurality of switching units, and generate a plurality of switching control signals for the respective switch units to sequentially drive the plurality of constant current control circuit units.

Abstract: A light-emitting diode (LED) luminescence apparatus configured to receive an alternating current (AC) power includes a plurality of LED units, and a plurality of constant current control units electrically connected to the plurality of LED units. The current control units are configured to control current flowing through each of the LED units so that the current has a specific magnitude.

Abstract: A constant-current-drive LED module device includes a rectifier configured to receive and rectify an alternating current power source; a unidirectional LED module unit configured to connect to one end of the rectifier; and a constant current unit configured to connect between the unidirectional LED module unit and the other end of the rectifier to control constant current.

Abstract: The present invention relates to a method for producing lactic acid bacteria of a high concentration continuously using a membrane bioreactor. Specifically, the present invention relates to a method for producing lactic acid bacteria of a high concentration in a membrane bioreactor that comprises the steps of cultivating lactic acid bacteria in a membrane bioreactor including a membrane for product separation and a medium supply apparatus; supplying culture media to the bioreactor through the medium supply apparatus; continuously separating and discharging culture filtrate through the membrane for product separation; and recycling lactic acid bacteria continuously to the bioreactor. Additionally, the present invention relates to a method for producing lactic acid bacteria powder by freeze drying the bacteria produced in the membrane bioreactor using a freeze drying preservative composition.