Abstract: A connection device for an agricultural machine includes a front having an input shaft coupled with an input yoke and installed passing therethrough, a rear body having an output shaft coupled with an output yoke and installed passing therethrough, a joint part provided to allow each of the bodies to be coupled with each other and to be rotatable via center pins installed on central parts of upper and lower tip ends of each of the bodies, and a connection yoke fastening each of the input and output yokes thereto via cross-shaped bearings. In the cross-shaped bearings, a length (L) of the connection yoke fastening shafts fastened to the connection yoke is formed to be longer than the length (l) of the input and output connection yoke fastening shafts fastened to the input and output yokes.

Abstract: Disclosed is a connection device for an agricultural machine, the device including: a front having an input shaft coupled with an input yoke and installed passing therethrough; a rear body having an output shaft coupled with an output yoke and installed passing therethrough; a joint part provided to allow each of the bodies to be coupled with each other and to be rotatable via center pins installed on central parts of upper and lower tip ends of each of the bodies; and a connection yoke fastening each of the input and output yokes thereto via “+” shaped bearings, wherein in the “+” shaped bearings, a length “L” of the connection yoke fastening shafts fastened to the connection yoke is formed to be longer than the length “l” of the input and output connection yoke fastening shafts fastened to the input and output yokes.

Abstract: A rotor apparatus for a baler is provided such that hay on the ground is picked up by a hay pick-up apparatus installed at the side of the baler and the picked-up hay is fed without being wound around the rotor feeding the hay to the region of the roll forming apparatus, whereby the hay of the hay pick-up apparatus is fed to the region of the roll forming apparatus quickly, precisely, and evenly. In addition, a load of the rotor is minimized when the hay is fed to the region of the roll forming apparatus, thereby extending the service life of the rotor.

Abstract: Disclosed is a rotor apparatus for a baler configured such that hay on the ground is picked up by a hay pick-up apparatus installed at the side of the baler and the picked-up hay is fed without being wound around the rotor feeding the hay to the region of the roll forming apparatus, whereby the hay of the hay pick-up apparatus is fed to the region of the roll forming apparatus quickly, precisely, and evenly. In addition, a load of the rotor is minimized when the hay is fed to the region of the roll forming apparatus, thereby extending the service life of the rotor.

Abstract: A mobile terminal and an operating method thereof are provided. The operating method includes providing a transparent flexible display having a first display region at the front of the transparent flexible display and a second display region at the rear of the transparent flexible display; displaying an image in the first display region; determining whether a bend signal indicating that the transparent flexible display is bent is detected; and if the results of the determining indicate that a portion of the second display region has the same display direction as that of the first display region, displaying information regarding the image in the portion of the second display region having the same display direction as that of the first display region. Therefore, it is possible to display various information not only using a display region at the front of a display device but also using a display region at the rear of the display device.

Abstract: A photoelectric device includes: a semiconductor substrate including monocrystalline silicon and has first and second surfaces that are opposite to each other; a doping unit formed on the first surface of the semiconductor substrate; and an insulating layer that is formed between the doping unit and the second surface of the semiconductor substrate, wherein the doping unit includes: a first semiconductor layer including a first dopant doped in the monocrystalline silicon; and a second semiconductor layer including a second dopant doped in the monocrystalline silicon.

Abstract: A method of fabricating a solar cell includes forming an emitter layer of a second conductive type on a front surface and a back surface of a substrate of a first conductive type opposite to the second conductive type, forming an anti-reflection layer on the front surface of the substrate, partially removing the anti-reflection layer and the emitter layer to form an isolation groove dividing the emitter layer into a plurality of regions, removing a portion of the emitter layer formed on the back surface of the substrate, and forming a passivation layer covering the isolation groove and the back surface of the substrate.

Abstract: A photovoltaic device including a semiconductor substrate having a first surface and a second surface, the second surface being opposite to the first surface; a first passivation layer on the first surface; and a second passivation layer on the second surface, wherein each of the first passivation layer and the second passivation layer comprises an aluminum-based compound, is disclosed. A method of preparing a photovoltaic device, the method including: forming a semiconductor substrate to have a first surface and a second surface, the second surface being opposite to the first surface; forming an emitter region and a back surface field (BSF) region at the second surface; and forming a first passivation layer on the first surface and a second passivation layer on the second surface, wherein the first passivation layer and the second passivation layer are formed concurrently, is also disclosed.

Abstract: A photovoltaic device including a semiconductor substrate having a first surface and a second surface, the second surface being opposite to the first surface; a first passivation layer on the first surface; and a second passivation layer on the second surface, wherein each of the first passivation layer and the second passivation layer comprises an aluminum-based compound, is disclosed. A method of preparing a photovoltaic device, the method including: forming a semiconductor substrate to have a first surface and a second surface, the second surface being opposite to the first surface; forming an emitter region and a back surface field (BSF) region at the second surface; and forming a first passivation layer on the first surface and a second passivation layer on the second surface, wherein the first passivation layer and the second passivation layer are formed concurrently, is also disclosed.

Abstract: A photovoltaic device and a method of manufacturing the same, the device including a semiconductor substrate having a first surface and a second surface opposite to the first surface; a silicon nitride gap insulation layer on the first surface of the semiconductor substrate, a portion of the gap insulation layer proximate to the semiconductor substrate having a silicon:nitrogen ratio different from a silicon:nitrogen ratio in a portion of the gap insulation layer distal to the semiconductor substrate; a semiconductor structure on the first surface of the semiconductor substrate; and an electrode on the semiconductor structure.

Abstract: A solar cell including a first conductive type semiconductor substrate; a first conductive type first semiconductor layer on a back surface of the semiconductor substrate; a second conductive type second semiconductor layer on the back surface of the semiconductor substrate at a height different from the first semiconductor layer, the second semiconductor layer being separated from the first semiconductor layer; and a passivation layer on the back surface of the semiconductor substrate. The passivation layer covers at least a portion of the first semiconductor layer and at least a portion of the second semiconductor layer. The passivation layer includes impurities.

Abstract: A solar cell includes a base substrate including a first surface and a second surface opposite the first surface, the base substrate being configured to have sunlight incident on the first surface, a doping layer on the first surface of the base substrate, a first passivation layer on the doping layer, the first passivation layer including hydrogen, a first capping layer on the first passivation layer, the first capping layer being configured to prevent discharge of hydrogen from the first passivation layer, a first electrode on the first capping layer, and a second electrode on the second surface of the base substrate.

Abstract: A solar cell includes: a light absorbing layer, a semiconductor layer disposed on a first surface of the light absorbing layer, a first electrode disposed on the semiconductor layer in a first direction of the semiconductor layer, a first passivation layer disposed on a second surface of the light absorbing layer, a second passivation layer disposed on the first passivation layer in a second direction opposite to the first direction of the semiconductor layer, a contact hole disposed in the first passivation layer and the second passivation layer and exposing a portion of the light absorbing layer, and a second electrode disposed on the second passivation layer in the second direction of the second passivation layer and connected with the light absorbing layer through the contact hole. The second passivation layer is made of a compound containing carbon.

Abstract: A method of fabricating a solar cell includes forming an emitter layer of a second conductive type on a front surface and a back surface of a substrate of a first conductive type opposite to the second conductive type, forming an anti-reflection layer on the front surface of the substrate, partially removing the anti-reflection layer and the emitter layer to form an isolation groove dividing the emitter layer into a plurality of regions, removing a portion of the emitter layer formed on the back surface of the substrate, and forming a passivation layer covering the isolation groove and the back surface of the substrate.

Abstract: A solar cell includes a base layer including a first conductive type impurity element, an upper surface, and a lower surface opposing the upper surface, an emitter layer disposed on the upper surface of the base layer and including a second conductive type impurity element opposing the first conductive type impurity element, a front electrode connected to the emitter layer, a first passivation layer disposed on the lower surface of the base layer, and a rear electrode disposed on the first passivation layer and connected to the base layer. The first passivation layer includes a silicon nitride group compound, and a refractive index of the silicon nitride group compound is less than about 1.96.

Abstract: A solar cell includes a semiconductor substrate including a first conductivity type region; a semiconductor layer disposed on a first surface of the semiconductor substrate and including second conductivity type impurities; a first mask film disposed on a second surface of the semiconductor substrate; a second mask film disposed on the first mask film; and an electrode disposed on the second mask film.

Abstract: A mobile terminal and an operating method thereof are provided. The operating method includes providing a transparent flexible display having a first display region at the front of the transparent flexible display and a second display region at the rear of the transparent flexible display; displaying an image in the first display region; determining whether a bend signal indicating that the transparent flexible display is bent is detected; and if the results of the determining indicate that a portion of the second display region has the same display direction as that of the first display region, displaying information regarding the image in the portion of the second display region having the same display direction as that of the first display region. Therefore, it is possible to display various information not only using a display region at the front of a display device but also using a display region at the rear of the display device.

Abstract: A method for monitoring an operational failure of a stocker for use in a semiconductor factory automation system, wherein the stocker is divided into a plurality of operational parts, includes the steps of: a) generating stocker state information representing an operational state of the stocker in response to a stocker state signal issued from the stocker; b) inspecting the stocker state information to update the operational state of the stocker previously stored; c) generating a warning signal when at least one part contained in the stocker has failed; and d) generating an audiovisual warning sign in response to the warning signal. The method can effectively provide audiovisual warning signs when the stocker has failed.