Abstract: An object detection method includes determining an error parameter associated with an amount of movement of a vehicle through a predetermined regression method based on positioning information of the vehicle and dynamics information of the vehicle with respect to a predetermined center of gravity of the vehicle, determining a velocity of a predetermined point of the vehicle, based on a fixed error parameter stored in a memory or a corrected fixed error parameter, through a comparison between the error parameter and the fixed error parameter, generating a local map in consideration of the amount of movement of the vehicle based on the determined velocity, and detecting an object around the vehicle based on the local map.

Abstract: Provided are an optoelectronic apparatus including an on-chip optoelectronic diode capable of receiving and emitting light, and a method of manufacturing the same.

Abstract: An embodiment method for classifying objects around a vehicle includes generating a dynamic occupancy grid map including a plurality of cells including point data corresponding to each of a plurality of objects located around the vehicle and velocity vector information of the point data, based on LiDAR data received from a LiDAR sensor of the vehicle and information related to movement of the vehicle, determining a cluster corresponding to each of the plurality of objects on the dynamic occupancy grid map using a clustering technique, and classifying an object corresponding to the cluster into a static object or a dynamic object, based on a region size of the cluster and velocity vector information included in cells belonging to the cluster.

Abstract: A method of tracking an object includes obtaining a likelihood of a free behavior model of the object and a likelihood of a constant speed model of the object using the position, the speed, and the type of the object determined at a previous time point and the position, the speed, and the type of the object determined at the current time point, and correcting the type of the object at the current time point using the likelihood of the free behavior model, the likelihood of the constant speed model, and the measured type of the object.

Abstract: Disclosed is a brake hose layout setting system that includes: a testing part provided to test the layout of the brake hose while brake hose fixing parts, which are manufactured using a 3D printer, are mounted; a scanning part provided to scan the layout of the brake hose and to obtain layout data during the layout test of the brake hose; and a controller for comparing the layout data of the brake hose obtained from the scanning part with surrounding part data to determine whether or not interference occurs and for correcting data on interfering parts to then provide the same to the 3D printer, wherein the testing part includes the brake hose fixing parts and first and second fitting members coupled to both ends of the brake hose, respectively, and wherein the first and second fitting members have the same structure. Various embodiments may be possible.

Abstract: A method of manufacturing a glass-phosphor composite is disclosed. The method comprises: preparing rare earth ion-containing parent glass; mixing the rare-earth ion-containing parent glass in a power state with a phosphor in a powder state; and providing a glass-phosphor composite using the powder mixture of the rare earth ion-containing parent glass and the phosphor, wherein the mixing includes mixing the rare earth ion-containing parent glass in the powder state with the phosphor in the powder state so that the phosphor in the glass-phosphor composite is in an amount of 5 wt % to 30 wt %, and the preparing includes using a glass frit having a glass transition point of 300° C. to 800° C. and a sintering temperature of 200° C. to 600° C.

Abstract: A method of manufacturing a glass-phosphor composite is disclosed. The method comprises: preparing rare earth ion-containing parent glass; mixing the rare-earth ion-containing parent glass in a power state with a phosphor in a powder state; and providing a glass-phosphor composite using the powder mixture of the rare earth ion-containing parent glass and the phosphor, wherein the mixing includes mixing the rare earth ion-containing parent glass in the powder state with the phosphor in the powder state so that the phosphor in the glass-phosphor composite is in an amount of 5 wt % to 30 wt %, and the preparing includes using a glass frit having a glass transition point of 300° C. to 800° C. and a sintering temperature of 200° C. to 600° C.

Abstract: The present invention relates to a sealing glass composition that excludes Pb, i.e., an environmentally harmful material, and a flat panel display apparatus using the same. A sealing glass composition of the present invention comprises Sb2O3 of 20 mol % to 50 mol %, B2O3 of 30 mol % to 70 mol %, SiO2 of 5 mol % to 15 mol % and Al2O3 of 0 mol % to 15 mol %. The flat display apparatus of the present invention has a front panel and a rear panel, which are combined together with a sealing glass composition with a predetermined distance therebetween.

Abstract: The present invention relates to a sealing glass composition that excludes Pb, i.e., an environmentally harmful material, and a flat panel display apparatus using the same. A sealing glass composition of the present invention comprises Sb2O3 of 20 mol % to 50 mol %, B2O3 of 30 mol % to 70 mol %, SiO2 of 5 mol % to 15 mol % and Al2O3 of 0 mol % to 15 mol %. The flat display apparatus of the present invention has a front panel and a rear panel, which are combined together with a sealing glass composition with a predetermined distance therebetween.

Abstract: An apparatus and a method for controlling an operation of a compressor capable of preventing an under stroke or an overstroke of a compressor, occurring due to a variation value of a power voltage applied to a motor of the compressor includes a control unit outputting a selection signal according to a variation value of a power voltage applied to the motor of the compressor; capacitors connected to the motor; and a switching unit selectively varying capacitance of the capacitors based on the selection signal.

Abstract: The present invention relates to a main wavelength band of a pump light source capable of improving the pump efficiency while using 1.6 ?m fluorescence emitted from Ho3+:5I5?5I7 transition as an optical amplifier, and an assistant pump wavelength band capable of accomplishing population inversion between 5I5 level and 5I7 level to improve the signal gain characteristics of such amplifier. The optical amplifier using optical materials to which holmium or holmium and terbium, holmium and europium, holmium and neodymium or holmium and dysprosium, etc. are doped can be pumped using a light source that emits light of 11,200˜11,500 cm?1 or a light source that emits light of 6,000˜6,500 cm?1.

Abstract: The present invention relates to a main wavelength band of a pump light source capable of improving the pump efficiency while using 1.6 &mgr;m fluorescence emitted from Ho3+:5I5→5I7 transition as an optical amplifier, and an assistant pump wavelength band capable of accomplishing population inversion between 5I5 level and 5I7 level to improve the signal gain characteristics of such amplifier. The optical amplifier using optical materials to which holmium or holmium and terbium, holmium and europium, holmium and neodymium or holmium and dysprosium, etc. are doped can be pumped using a light source that emits light of 11,200˜11,500 cm−1 or a light source that emits light of 6,000˜6,500 cm−1.

Abstract: There is provided alkaloid halogen-doped sulfide glasses for an optical amplifier and a fabricating method thereof. An alkaloid halogen-doped sulfide glass is formed of silica doped with a Ge—Ga—S three-component system, Pr3+, and an alkaloid halogen. To fabricate the alkaloid halogen-doped sulfide glass for an optical amplifier, silica doped with Ge, Ga, S, Pr3+, and an alkaloid halogen as a starting material is filled into a container. The container is sealed in a vacuum and the starting material in the container is fused by heating the container. The container is cooled and the starting material is sintered by heating the container at a glass transition temperature.

Abstract: An optical fiber for an optical amplifier, which contains dysprosium ion (Dy3+) with an improved light amplification efficiency at the 1.31 &mgr;m band. The optical fiber includes a germanium-gallium-sulfide (Ge—Ga—S) glass, an alkali metal halide, and Dy as a rare earth element. In the optical fiber, the interaction of electrons of Dy3+ and phonons in the glass lattice can be minimized, so that the multiphonon relaxation of Dy3+0 from 4F11/2 and 6H9/2 to 6H11/2 is slowed down, and thus the fluorescence lifetime at 1.31 &mgr;m is elongated, further improving the fluorescence efficiency of the optical fiber.

Abstract: There is provided alkaloid halogen-doped sulfide glasses for an optical amplifier and a fabricating method thereof. An alkaloid halogen-doped sulfide glass is formed of silica doped with a Ge-Ga-S three-component system, Pr3+, and an alkaloid halogen. To fabricate the alkaloid halogen-doped sulfide glass for an optical amplifier, silica doped with Ge, Ga, S, Pr3+, and an alkaloid halogen as a starting material is filled into a container. The container is sealed in a vacuum and the starting material in the container is fused by heating the container. The container is cooled and the starting material is sintered by heating the container at a glass transition temperature.

Abstract: An optical fiber used for an optical amplifier, is formed by doping glass with rare-earth ions. Both praseodymium ions (Pr+3) and erbium ions (Er+3) are used as the rare-earth ions, and the glass is a fluoride glass or a sulfide glass. The optical fiber can be used at wavelengths of both 1.3 &mgr;m and 1.55 &mgr;m. The light amplification efficiency of an optical amplifier made of the optical fiber can be improved compared to that of an optical amplifier formed of only Pr+3 or only Er+3.

Abstract: An optical fiber for use in a light amplifier. The optical fiber is formed by doping a gerrnanium-gallium-sulfur (Ge—Ga—S) glass containing less sulfur than a GeS2—Ga2S3 stoichiometric composition line with a rare earth element, and further contains 0.1˜10 atomic % of a halogen element base on the Ge—Ga—S glass. By using optical fiber, clustering of praseodymium (Pr+3) ions can be suppressed even when the concentration of added Pr+3 is high, thereby improving light amplification efficiency.

Abstract: A Ge--Ga--S-based glass composition having light amplifying characteristics and an apparatus for optical communications using the glass composition are provided. The present invention includes a sulfur-poor Ge--Ga--S based host glass which includes less S than compositions on the composition line of GeS.sub.2 --G.sub.2 S.sub.3 on the ternary phase diagram of Ge--Ga--S, and a rare earth active material doped on the host glass for luminescence and light amplification. Ga of no more than about 10 mol % is included in the host glass. Also, Pr.sup.3+ ions are used as the rare earth active material. Furthermore, for stable vitrification and a blue shift of a short wavelength absorption band, a vitrification stabilizer such as Br and I is added to the host glass.

Abstract: A Ge--Ga--S-based glass composition for performing an optical amplification and an apparatus for optical communications using the same are provided. In the glass composition according to the present invention, an active material for performing luminescence and optical amplification operations is added to the Ge--Ga--S host glass and a transition metal ion moving the distribution of optical amplification gains is added in a range from 0.01 mole % to 0.2 mol %.