Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a plurality of sequential layers have different refractive indexes to extend a path of incident light passing through a lens, thereby increasing sensitivity.

Abstract: Disclosed are a drunk driving prevention system and a method of controlling the system that includes a sensor module measuring a alcohol content in the exhaled breath of a driver during a breath-checking of the driver and a control module configured to check the intoxication state of the driver from the alcohol content measured by the sensor module to determine whether the breath-checking is complete and block an engine start when the breath-checking fails, wherein the control module includes a check unit displaying breath-checking guide information through a display unit and the check unit displays the breath-checking guide information based on an engine start input of the driver.

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes an antenna body extending in a horizontal direction to the bezel surface, an extension body provided on one side or opposite sides of the antenna body, and a frequency variable device configured to selectively electrically connect the antenna body and the extension body.

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes a composite right left handed (CRLH) structure including a series inductor, a series capacitor, a parallel inductor, and a parallel capacitor.

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes a composite right left handed (CRLH) structure including a series inductor, a series capacitor, a parallel inductor, and a parallel capacitor.

Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes an antenna body extending in a horizontal direction to the bezel surface, an extension body provided on one side or opposite sides of the antenna body, and a frequency variable device configured to selectively electrically connect the antenna body and the extension body.

Abstract: A MIMO antenna for improving isolation is disclosed. The disclosed antenna includes a dielectric feature; a ground plane included in a first layer of the dielectric feature; a first radiator, which is electromagnetically joined with a first feed point, configured to radiate a first RF signal, and joined with the ground plane; a second radiator, which is electromagnetically joined with a second feed point, configured to radiate a second RF signal, and joined with the ground plane; and a connector line, which is joined with a particular point of the first radiator and with a particular point of the second radiator to connect the first radiator with the second radiator. The disclosed antenna can improve isolation properties between multiple antennas and can ensure adequate isolation properties even when the distances between multiple antennas are set to be relatively small.

Abstract: A multiple frequency band antenna is provided that includes a radiating unit having a slot formed on a first surface of the substrate that is closed at one end and open at the other end, and a feed unit formed on a second surface of the substrate to pass through an area on the second surface that corresponds with the same area on first surface between the center and the closed side of the slot. The feeding unit comprises at least one switch which adjusts the size of an area for feeding power to the antenna. The radiating unit is resonated in a plurality of frequency bands when the switch is turned off, and the radiating unit is resonated in a single frequency band which is different from the plurality of frequency bands when the switch is turned on. Consequently, an antenna is implemented for use in multiple frequency bands.

Abstract: A MIMO antenna for improving isolation is disclosed. The disclosed antenna includes a dielectric feature; a ground plane included in a first layer of the dielectric feature; a first radiator, which is electromagnetically joined with a first feed point, configured to radiate a first RF signal, and joined with the ground plane; a second radiator, which is electromagnetically joined with a second feed point, configured to radiate a second RF signal, and joined with the ground plane; and a connector line, which is joined with a particular point of the first radiator and with a particular point of the second radiator to connect the first radiator with the second radiator. The disclosed antenna can improve isolation properties between multiple antennas and can ensure adequate isolation properties even when the distances between multiple antennas are set to be relatively small.

Abstract: A miniaturized multiple input multiple output (MIMO) antenna includes a first antenna element disposed in a first side of a substrate in a round form; a second antenna element in a round form symmetrically with the first antenna element and disposed in the first side of the substrate; and a ground disposed in a second side of the substrate. The first antenna element and the second antenna element are disposed such that electro magnetic waves resonating in the first antenna element and the second antenna element are orthogonally polarized. Accordingly, the antenna size can be reduced. The miniaturized antenna facilitates the component design in the small terminal.

Abstract: The present invention provides an apparatus and method for determining deterioration of a fuel cell, the method including measuring in real time fluoride ion concentration or pH value of outflow water from a fuel cell stack during operation in a fuel cell vehicle, calculating a fluoride emission rate from the measured value and, if the calculated fluoride emission rate is out of a predetermined normal range, determining deterioration of an electrolyte membrane of the fuel cell stack.

Abstract: A Multi-Band antenna system includes an antenna which resonates in a plurality of frequency bands and a controller which drives the antenna. The antenna includes a ground plate and a plurality of radiators which are formed on both sides of the ground plate in directions perpendicular to a surface of the ground plate in a space at an edge of the ground plate, wherein each radiator is connected to the edge of the ground plate.

Abstract: A semiconductor element for macro and micro frequency tuning, and an antenna and a frequency tuning circuit having the semiconductor element, are provided. The semiconductor element includes first and second semiconductors which have a same polarity, a third semiconductor which has a polarity opposite to the polarity of the first and second semiconductors and is interposed between the first and the second semiconductors, a first intrinsic semiconductor which is interposed between the first and the third semiconductors, and a second intrinsic semiconductor which is interposed between the third and the second semiconductors.

Abstract: A concurrent mode antenna system includes an antenna which generates a plurality of operating frequencies that are available at a same time, the antenna comprising a plurality of feed points; and a signal processing circuit which is connected to the feed points and processes radio signals transmitted and received by the antenna. Accordingly, the antenna system can not only provide various wireless services corresponding to the respective operating frequency bands on the single antenna but also miniaturize the antenna system. Furthermore, the antenna system can achieve the insertion loss prevention, the simplified structure, and the lower cost.

Abstract: A method of manufacturing a micro antenna is provided. The method includes forming a plurality of holes penetrating a first substrate, filling each of the plurality of holes with a conductive material to form a plurality of vertical conducting parts, forming a plurality of horizontal conducting parts on each of two different surfaces of the first substrate, wherein the each of the horizontal conducting parts is electrically connected to the corresponding vertical conducting parts, bonding the first substrate, on which the vertical conducting parts and the horizontal conducting parts have been formed, to a second substrate, and removing the first substrate to expose a whole structure of a 3D micro antenna which is formed on the second substrate and includes the vertical conducting parts and the horizontal conducting parts connected to each other.

Abstract: An ultra wide band (UWB) device and a detect and avoid (DAA) method thereof are provided. The UWB device includes a detect and avoid (DAA) module block which detects a strength of radio signals received in a plurality of channels and determines communicability of the channels; a multitone generation block which generates a plurality of frequencies corresponding to the plurality of the channels and outputs one of the plurality of frequencies; and a controller which controls the multitone generation block to generate frequencies of an available channel which is determined to be communicable by the DAA module block. The method includes detecting a strength of radio signals received in a plurality of channels; determining communicability of the channels according to the detected strength of the radio signals; generating frequencies corresponding to a channel which is determined to be communicable; and transmitting or receiving a signal using the generated frequencies.

Abstract: An antenna for controlling a radiation pattern includes a first substrate; a first radiator formed in one surface of the first substrate; a second radiator formed in other surface of the first substrate; and a tuning part which controls a radiation pattern by changing a size of an overlapping region of the first radiator and the second radiator disposed with the first substrate interposed therebetween according to an external control signal. The tuning part includes a plurality of sub-radiators arranged by at least one side of the first radiator or the second radiator, and a plurality of switches. Accordingly, the beam radiation pattern can be easily controlled through the switch control.

Abstract: A slot antenna is provided. The slot antenna includes a feeding unit of a strip line shape which is disposed on a first surface of a substrate, a ground which is disposed on a second surface of the substrate, and an antenna element which is formed by connecting two sub slots formed on the second surface of the substrate, wherein each of the sub slots is arranged at an edge of the ground in an internal direction of the ground. Accordingly, the size of the antenna is reduced, and more area is provided for arranging components of a terminal.

Abstract: The present invention provides an apparatus and method for determining deterioration of a fuel cell, the method including measuring in real time fluoride ion concentration or pH value of outflow water from a fuel cell stack during operation in a fuel cell vehicle, calculating a fluoride emission rate from the measured value and, if the calculated fluoride emission rate is out of a predetermined normal range, determining deterioration of an electrolyte membrane of the fuel cell stack.

Abstract: A multiband antenna system is provided. The system includes a substrate; an antenna which is disposed on a first side and a second side of the substrate, and produces a resonance in a plurality of frequency bands; a plurality of feeders which are disposed on the first side of the substrate; and a filter which is disposed on the first side of the substrate, is coupled to an end of the antenna, and transfers signals of the plurality of frequency bands output from the antenna to respective feeders of the plurality of the feeders.