Abstract: A photographing apparatus includes: a lens unit; a light transmission adjustment unit that adjusts light transmittance of light that passes through the lens unit; a photographing unit that is disposed a reflected light path of the light transmission adjustment unit and that generates an image data according to received light, and a view finder that is disposed on a transmitted light path of the light transmission unit.

Abstract: A method of forming a metal bonding layer includes forming first and second bonding metal layers on one surfaces of first and second bonding objects, respectively. The second bonding object is disposed on the first bonding object such that the first bonding metal layer and the second bonding metal layer face each other. A eutectic metal bonding layer is formed through a reaction between the first and second bonding metal layers. At least one of the first bonding metal layer and the second bonding metal layer includes an oxidation prevention layer formed on an upper surface thereof. The oxidation prevention layer is formed of a metal having an oxidation reactivity lower than an oxidation reactivity of the bonding metal layer on the upper surface which the oxidation prevention layer is disposed.

Abstract: A method of forming a metal bonding layer includes forming a first bonding metal layer and a second bonding metal layer on surfaces of first and second bonding target objects, respectively. The second bonding target object is disposed on the first bonding target object to allow the first and second bonding metal layers to face each other. A eutectic metal bonding layer is formed through a reaction between the first and second bonding metal layers. At least one of the first and second bonding metal layers includes a reaction delaying layer formed of a metal for delaying the reaction between the first and second bonding metal layers.

Abstract: A semiconductor light emitting device has a semiconductor laminate including first and second conductivity type semiconductor layers respectively providing first and second main surfaces and an active layer. The semiconductor laminate is divided into first and second regions. At least one contact hole is formed to pass through the active layer from the second main surface of the first region. A first electrode is formed on the second main surface to be connected to the first conductivity type semiconductor layer of the first region and the second conductivity type semiconductor layer of the second region. A second electrode is formed on the second main surface of the first region to be connected to the second conductivity type semiconductor layer of the first region and the first conductivity type semiconductor layer of the second region.

Abstract: A photographing apparatus includes: a lens unit; a light transmission adjustment unit that adjusts light transmittance of light that passes through the lens unit; a photographing unit that is disposed a reflected light path of the light transmission adjustment unit and that generates an image data according to received light, and a view finder that is disposed on a transmitted light path of the light transmission unit.

Abstract: A semiconductor light emitting device has a semiconductor laminate including first and second conductivity type semiconductor layers respectively providing first and second main surfaces and an active layer. The semiconductor laminate is divided into first and second regions. At least one contact hole is formed to pass through the active layer from the second main surface of the first region. A first electrode is formed on the second main surface to be connected to the first conductivity type semiconductor layer of the first region and the second conductivity type semiconductor layer of the second region. A second electrode is formed on the second main surface of the first region to be connected to the second conductivity type semiconductor layer of the first region and the first conductivity type semiconductor layer of the second region.

Abstract: Disclosed are a light emitting diode (LED) inspection apparatus, which can determine whether an LED has a defect such as leakage current, without making physical contact with the LED being inspected, and an LED inspection method thereof. The LED inspection apparatus includes an ultraviolet emission unit emitting UV light to an LED, an image generation unit generating an image of the LED to which the UV light is emitted, and a control unit obtaining color or intensity information of the LED from the image of the LED and determining, based on the color information, whether the LED is defective.

Abstract: Disclosed is a nuclease-resistant RNA aptamer for inhibiting the replication of HCV replicon. This aptamer is capable of binding specifically to HCV NS5B and inhibiting the proliferation of the HCV replicon, and includes at least one sequence selected from a group consisting of SEQ ID NOS. 1 to 4, in which a fluoro group is substituted for 2?-hydroxy of both U (uracil) and C (cytosine) bases, and SEQ ID NO. 17, in which the fluoro group is substituted for the 2?-hydroxy of both the U (uracil) and the C (cytosine) bases, and which is tagged with a cholesteryl group at a 5? end and with idT at a 3? end. The RNA aptamer is useful in the diagnosis and treatment of HCV infection.

Abstract: A secondary battery includes a case, the case including a first side having a bead thereon, the bead having a height h and a width w, a ratio of the height h to the width w satisfying 2 ? % ? ( h w × 100 ) ? 50 ? % , h and w being in a same unit of measure, and an electrode assembly in the case, the electrode assembly including a first electrode, a second electrode, and a separator disposed between the first and second electrodes.

Abstract: An authentication system and method in a wireless LAN (WLAN) environment. A terminal transmits an access authentication request to an access point of a WLAN which the terminal desires to access, and transmits its own transmission power information to the access point when receiving a response to the access authentication request from the access point, and the access point measures received signal strength, calculates a path loss value through the use of the received transmission power and the measured received signal strength, and performs access authentication of the terminal according to the calculated path loss value, so that a new terminal can easily access the WLAN where security has been set up.

Abstract: Disclosed a nuclease-resistant RNA aptamer for inhibiting the replication of HCV replicon. This aptamer is capable of binding specifically to HCV NS5B and inhibiting the proliferation of the HCV replicon, and is composed of at least one sequence selected from a group consisting of SEQ ID NOS. 1 to 4, in which a fluoro group is substituted for 2?-hydroxy of both U (uracil) and C (cytosine) bases, and SEQ ID NO. 4, which is tagged with a cholesteryl group at a 5? end and with idT at a 3? end. The RNA aptamer is useful in the diagnosis and treatment of HCV infection.

Abstract: A wireless transceiving system capable of processing multi-channel broadcast signals and Ethernet signals from an Ethernet PON (Passive Optical Network), the wireless transceiving system includes a wireless STB (Set-top Box) transmitter for wirelessly transmitting broadcast signals which are multi-channel image signals and Ethernet signals; and at least one wireless STB receiver for receiving the broadcast signals and the Ethernet signals transmitted from the wireless STB transmitter to output image signals and audio signals corresponding to the received broadcast signals, and to support an Ethernet port based on the received Ethernet signals.

Abstract: Disclosed are a light emitting diode (LED) inspection apparatus, which can determine whether an LED has a defect such as leakage current, without making physical contact with the LED being inspected, and an LED inspection method thereof.

Abstract: A cathode ray tube including a shadow mask. The shadow mask includes an aperture portion including a plurality of beam guide holes, a non-aperture portion surrounding the aperture portion, and a skirt portion that is bent from an edge of the non-aperture portion toward an electron gun. The non-aperture portion includes a pair of longer sides, a pair of shorter sides, and four corner portions, and a first width of the non-aperture portion measured at the longer side and a second width of the non-aperture portion measured at the shorter side are formed to be less than a third width of the non-aperture portion measured at the corner portions. The shadow mask satisfies the following conditions: 2 mm?w1<w3, and 2 mm?w2<w3, where w1 denotes the first width of the non-aperture portion, w2 denotes the second width of the non-aperture portion, and w3 denotes the third width of the non-aperture portion.

Abstract: An image display device includes a vacuum structure having a first substrate, a second substrate placed at the front side of the first substrate to form a first region together with the first substrate, and a reinforcing panel placed at the rear of the first substrate to form a second region together with the first substrate. An electron emission unit is provided on the first substrate, and a light emission unit is provided on the second substrate. The first substrate has at least one through-hole for communicating the first and the second regions with each other in the vacuum structure. The first and the second substrates have a sealing interface varied in width along the peripheries thereof.

Abstract: Disclosed are an optical coupler type filter, and a wavelength stabilizing apparatus of a light source using the same.

Abstract: A wireless transceiving system capable of processing multi-channel broadcast signals and Ethernet signals from an Ethernet PON (Passive Optical Network), the wireless transceiving system includes a wireless STB (Set-top Box) transmitter for wirelessly transmitting broadcast signals which are multi-channel image signals and Ethernet signals; and at least one wireless STB receiver for receiving the broadcast signals and the Ethernet signals transmitted from the wireless STB transmitter to output image signals and audio signals corresponding to the received broadcast signals, and to support an Ethernet port based on the received Ethernet signals.

Abstract: An image display device where in the region of electron emission regions and the region of phosphor layers are spaced apart from each other with a predetermined distance therebetween without mounting spacers therein. The image display device includes a vacuum vessel having a first substrate, a second substrate placed to face a first side of the first substrate to form a first region together with the first substrate, and a reinforcing member placed to face a second side of the first substrate to form a second region together with the first substrate. An electron emission unit is formed on a surface of the first substrate, and a light emission unit is formed on a surface of the second substrate. The first substrate has one or more through-holes for coupling the first and second regions with each other.

Abstract: Disclosed are an optical coupler type filter, and a wavelength stabilizing apparatus of a light source using the same.