Abstract: A double clutch transmission includes a first input shaft receiving power from a crankshaft through a first clutch and comprising at least one first drive gear, a second input shaft receiving power from a crankshaft through a second clutch and comprising at least one second drive gear, a first output shaft comprising at least one first driven gear to receive the power from the second input shaft, a second output shaft comprising at least one second driven gear to receive the power from the first input shaft, and a flywheel interposed between the first clutch and the second clutch wherein a bearing supporting the flywheel is disposed on an exterior circumference of the second input shaft.

Abstract: The present invention relates to an optical fiber for an optical amplifier and a method for manufacturing the same, which can be applied to an optical transmission system in the S-band area (4130 nm-1530 nm). According to the present invention, silica is used as a base material and the optical fiber for an optical amplifier contains Tm3+ ions and metal ions in a first core layer formed on an inner surface of a second core layer using the MCVD (Modified Chemical Vapor Deposition) method and a solution doping method whereby the practicability and productivity of the optical fiber are remarkably improved.

Abstract: There is provided a nitride semiconductor light emitting device including: an n-type semiconductor region; an active layer formed on the n-type semiconductor region; a p-type semiconductor region formed on the active layer; an n-electrode disposed in contact with the n-type semiconductor region; a p-electrode formed on the p-type semiconductor region; and at least one intermediate layer formed in at least one of the n-type semiconductor region and the p-type semiconductor region, the intermediate layer disposed above the n-electrode, wherein the intermediate layer is formed of a multi-layer structure where at least three layers with different band gaps from one another are deposited, wherein the multi-layer structure includes one of an AlGaN layer/GaN layer/InGaN layer stack and an InGaN layer/GaN layer/AlGaN layer stack.

Abstract: Disclosed is a low-attenuation single-mode optical fiber having a photoconductive core and a clad, which shows very low OH concentration in MFD (Mode Field Diameter) region. The optical fiber includes a core positioned at its center for photoconduction, and a dehydrated clad and a base clad which are coated on the clad in order. The dehydrated clad has a substantially identical refractive index to the base clad. A refractive index of the core is greater than those of the dehydrated clad and the base clad. The dehydrated clad has a relatively lower OH concentration than the base clad. The region composed of the core and the dehydrated clad has an MFD region at which OH concentration is less than 0.8 ppb.

Abstract: A Plasma Display Panel (PDP) includes first and second substrates facing each other and overlapping each other, and frit that is provided along a periphery of the overlapping portion between the first and second substrates to seal the first and second substrates together. The frit includes a plurality of wide portions each having a predetermined length and a plurality of connection portions interconnecting the adjacent wide portions. Each connection portion has a width less than that any one of the plurality of wide portions.

Abstract: A double clutch transmission includes a first input shaft receiving power from a crankshaft through a first clutch and comprising at least one first drive gear, a second input shaft receiving power from a crankshaft through a second clutch and comprising at least one second drive gear, a first output shaft comprising at least one first driven gear to receive the power from the second input shaft, a second output shaft comprising at least one second driven gear to receive the power from the first input shaft, and a flywheel interposed between the first clutch and the second clutch wherein a bearing supporting the flywheel is disposed on an exterior circumference of the second input shaft.

Abstract: In a double clutch transmission, the number of components of the transmission may be reduced and the gear train optimally arranged with a plurality of gears for two clutches and six-stage gear ratios. Such an arrangement proves for smooth shifting of gears to the range R and compacting of the structure of the transmission to facilitate positioning and assembly of the transmission in the vehicle.

Abstract: Disclosed is a low-attenuation single-mode optical fiber having a photoconductive core and a clad, which shows very low OH concentration in MFD (Mode Field Diameter) region. The optical fiber includes a core positioned at its center for photoconduction, and a dehydrated clad and a base clad which are coated on the clad in order. The dehydrated clad has a substantially identical refractive index to the base clad. A refractive index of the core is greater than those of the dehydrated clad and the base clad. The dehydrated clad has a relatively lower OH concentration than the base clad. The region composed of the core and the dehydrated clad has an MFD region at which OH concentration is less than 0.8 ppb.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: A visited website search system searching a website visited by a user. The visited website search system searching the website visited by the user includes: a mini web server installed in the local computer, receiving a search command with respect to data in the local computer from a web browser according to an HTTP protocol and providing a search result in a web document to the web browser; a searcher generating a search result by searching a website, corresponding to an query included in the search command, among the website visited by user and a web document generator generating the search result in the web document. Accordingly, the visited website by the user may be stably searched according to the HTTP protocol, similar to a web search.

Abstract: An automatic favorites registration method and system which can automatically register a website address of a particular website when a local computer accesses the particular website, and also can adjustably determine whether to add the website address to favorites by avoiding an unconditional automatic registration of the website address to the favorites and considering a user's access trend. According to the present disclosure, there is provided an automatic favorites registration method and system which can automatically register a website which a local computer accesses, and also can register only an additional website which is determined to be optimal for a user's convenience, or maintain a favorites registration of the website according to the user's recent search trend.

Abstract: A plasma display panel includes a red phosphor layer, a green phosphor layer, and a blue phosphor layer. The thickness of the phosphor layer is satisfied by the following condition: when D is (S?2L)/S, D?0.64, S being a distance between barrier ribs at half the height of the barrier ribs, and L being a side thickness of the phosphor layer coated on the barrier ribs at half the height thereof.

Abstract: A Plasma Display Panel (PDP) includes: a front substrate; a rear substrate arranged parallel to the front substrate; barrier ribs arranged between the front substrate and the rear substrate and adapted to demarcate light-emitting cells in a lattice pattern; upper electrodes and lower electrodes embedded in the barrier ribs around the light-emitting cells and extending in an arrangement direction of the light-emitting cells arranged in the lattice pattern; and address electrodes embedded in the barrier ribs around the light-emitting cells and arranged between the upper electrodes and the lower electrodes; wherein the PDP is driven by a driving signal in which one frame is divided into a plurality of sub-fields according to brightness weights, each sub-field including an address period and a sustain-discharge period; and during the address period, a scanning signal is supplied to one of the upper electrodes and the lower electrodes, and an address signal is supplied to the address electrodes, to select light-em

Abstract: Provided is a blue phosphor layer that is arranged in discharge cells of a plasma display panel. The blue phosphor layer is formed by stacking two kinds of blue phosphor materials in a dual-layered structure.

Abstract: A Plasma Display Panel (PDP) having a structure capable of preventing a permanent afterimage generated by damage to a protective film during a sustain discharge includes: front and rear substrates arranged to face each other; barrier ribs arranged between the front and rear substrates to partition discharge cells in combination with the front and rear substrates; a plurality of electrodes adapted to generate a discharge in the discharge cells; a plurality of X electrodes each including a transparent X electrode arranged at a rear side of the front substrate in the discharge cell to extend in one direction; a plurality of Y electrodes each including a transparent Y electrode arranged at a rear side of the front substrate in the discharge cell to be spaced apart from the X electrode by a gap and to extend to and be aligned with the transparent X electrode; opaque X and Y shield layers respectively arranged on one end surface of the transparent X and Y electrodes, the one end surfaces neighboring the gap; a firs

Abstract: In a double clutch transmission, the number of components of the transmission may be reduced and the gear train optimally arranged with a plurality of gears for two clutches and six-stage gear ratios. Such an arrangement proves for smooth shifting of gears to the range R and compacting of the structure of the transmission to facilitate positioning and assembly of the transmission in the vehicle.

Abstract: The present invention relates to a plasma display panel including a first substrate having a plurality of address electrodes and a dielectric layer, a second substrate, which is opposed to the first substrate, having a plurality of display electrodes, a dielectric layer, and a protection layer, barrier ribs formed on the first substrate to partition a plurality of discharge cells between the first substrate and the second substrate, a red, a green, and a blue phosphor layer formed inside of each discharge cell partitioned by the barrier ribs, and a layer for decreasing reflective brightness, which is formed on the upper-end surface of the barrier ribs, and comprises calcium magnesium silicate based blue phosphor.

Abstract: A Plasma Display Panel (PDP) includes: a front substrate; a rear substrate arranged parallel to the front substrate; barrier ribs arranged between the front substrate and the rear substrate and adapted to demarcate light-emitting cells in a lattice pattern; upper electrodes and lower electrodes embedded in the barrier ribs around the light-emitting cells and extending in an arrangement direction of the light-emitting cells arranged in the lattice pattern; and address electrodes embedded in the barrier ribs around the light-emitting cells and arranged between the upper electrodes and the lower electrodes; wherein the PDP is driven by a driving signal in which one frame is divided into a plurality of sub-fields according to brightness weights, each sub-field including an address period and a sustain-discharge period; and during the address period, a scanning signal is supplied to one of the upper electrodes and the lower electrodes, and an address signal is supplied to the address electrodes, to select light-em

Abstract: A plasma display panel (PDP) having improved luminous efficiency may be constructed with an upper substrate, a lower substrate disposed parallel to the upper substrate, and a plurality of upper barrier ribs formed of a dielectric disposed between the upper substrate and the lower substrate. The upper barrier ribs, together with the upper substrate and the lower substrate, define discharge cells. A plurality of upper discharge electrodes are disposed to surround the discharge cell are embedded in the upper barrier ribs. A plurality of lower discharge electrodes that are spaced-apart from the upper discharge electrodes are embedded in the upper barrier ribs to surround the discharge cell. A plurality of lower barrier ribs are disposed between the upper barrier ribs and the lower substrate.

Abstract: The present invention relates to an optical fiber for an optical amplifier and a method for manufacturing the same, which can be applied to an optical transmission system in the S-band area (4130 nm-1530 nm). According to the present invention, silica is used as a base material and the optical fiber for an optical amplifier contains Tm3+ ions and metal ions in a first core layer formed on an inner surface of a second core layer using the MCVD (Modified Chemical Vapor Deposition) method and a solution doping method whereby the practicability and productivity of the optical fiber are remarkably improved.