Abstract: A method includes: forming a first contact hole by etching a first inter-layer dielectric layer; forming a preliminary first conductive plug that fills the first contact hole; forming a bit line structure over the preliminary first conductive plug; forming a first conductive plug by etching the preliminary first conductive plug so that a gap is formed between a sidewall of the first contact hole and the first conductive plug; forming an insulating plug in the gap; forming a multi-layer spacer including a sacrificial spacer; forming a second conductive plug neighboring the bit line structures and the first conductive plugs with the multi-layer spacer and the insulating plug therebetween; and forming a line-type air gap within the multi-layer spacer by removing the sacrificial spacer.

Abstract: Provided is an organic-inorganic hybrid photoelectric conversion device including a novel conductive organic semiconductor compound including paracyclophene and an organic-inorganic perovskite compound. A hole transport layer containing the conductive organic semiconductor compound including paracyclophene and a light absorbing layer are bound well organically with each other. Thus, it is possible to accomplish high photoelectric conversion efficiency. In addition, the organic-inorganic hybrid photoelectric conversion device is formed of a solid phase and has high stability, uses inexpensive materials, is obtained by a simple and easy process at low processing cost, and thus allows mass production with high cost efficiency, resulting in high commercial viability.

Abstract: A navigation terminal includes a path controller configured to identify moving trajectories reaching respective points of interest, to cluster the identified moving trajectories into at least one moving section, to reflect a road correction mechanism in the at least one clustered moving section and to cluster the at least one clustered moving section into at least one moving path, and to extract one moving path, in which time sequential position information received from a GPS is corrected, from the at least one clustered moving path. Thereby, the navigation terminal is resistant to error of a GPS sensor, error generated due to a collection cycle, or error generated in correction, and precisely predicts a moving path.

Abstract: A method for etching a gate includes forming a high-k material layer over a substrate; forming an overlying layer over the high-k material layer; performing a first etching process for etching the overlying layer to form an overlying layer pattern; forming a spacer on a sidewall of the overlying layer pattern; and performing a second etching process using plasma including a etch gas and an additive gas, to etch the high-k material layer, wherein an amount of the additive gas is substantially the same as the main etch gas to increase an etch selectivity with respect to the substrate.

Abstract: The present disclosure provides an organic semiconductor compound, which has superior charge mobility, low band gap, wide light absorption area and adequate molecular energy level. The conductive organic semiconductor compound of the present disclosure can be used as a material for various organic optoelectric devices such as an organic photodiode (OPD), an organic light-emitting diode (OLED), an organic thin-film transistor (OTFT), an organic solar cell, etc. In addition, it can be prepared into a thin film via a solution process, can be advantageously used to fabricate large-area devices and can reduce the cost of device fabrication.

Abstract: Disclosed is a radio wave penetration-type multilayer optical coating. The coating includes: a transparent first resin layer; an optical coating with a multilayer structure formed by alternately forming TiO2 and SiO2 on the first resin layer; and an opaque second resin layer formed on the optical coating.

Abstract: A method includes: forming a first contact hole by etching a first inter-layer dielectric layer; forming a preliminary first conductive plug that fills the first contact hole; forming a bit line structure over the preliminary first conductive plug; forming a first conductive plug by etching the preliminary first conductive plug so that a gap is formed between a sidewall of the first contact hole and the first conductive plug; forming an insulating plug in the gap; forming a multi-layer spacer including a sacrificial spacer; forming a second conductive plug neighboring the bit line structures and the first conductive plugs with the multi-layer spacer and the insulating plug therebetween; and forming a line-type air gap within the multi-layer spacer by removing the sacrificial spacer.

Abstract: Provided is a new ternary Zn2SnO4 (ZSO) electron-transporting electrode of a CH3NH3PbI3 perovskite solar cell as an alternative to the conventional TiO2 electrode. The ZSO-based perovskite solar cell exhibits faster electron transport (˜10 times) and superior charge-collecting capability compared to the TiO2-based perovskite solar cell with similar thickness and energy conversion efficiency.

Abstract: A content providing electronic device and method are provided. The electronic device includes a Mobile High-definition Link (MHL) unit configured to encrypt content and to communicate the encrypted content to an external device, and an application processor configured to determine whether a condition for communicating content to the MHL unit is satisfied if the MHL unit is connected to the external device, and to communicate the content to the MHL unit if the condition is satisfied.

Abstract: The present disclosure relates to an additive for improving the light stability of a conjugated polymer, a method for preparing the same and an organic photovoltaic cell containing the same. Since the additive of the present disclosure improves the light stability of a conjugated polymer, it can be used for an organic photovoltaic (OPV) cell device and can also be usefully used for an organic optoelectronic device using a conductive polymer, such as an organic photodiode (OPD), an organic thin-film transistor (OTFT), an organic light-emitting diode (OLED), etc.

Abstract: A package-on-package (POP) electronic device may include first and second packaging substrates, a solder interconnection providing electrical and mechanical coupling between the first and second packaging substrates, and first and second sealing layers between the first and second packaging substrates. The first and second sealing layers may be respective first and second epoxy sealing layers. Moreover, the second epoxy sealing layer may include a solder flux agent, and the first epoxy sealing layer may have a lower concentration of the solder flux agent than the second epoxy sealing layer.

Abstract: According to example embodiments of inventive concepts, a semiconductor package apparatus includes a first semiconductor package including a first substrate, a first solder resist layer on the first substrate, and a first sealing member that covers and protects the first solder resist layer, and a plurality of solder balls on the first substrate. The plurality of solder balls includes a first solder ball having a first height and a second solder ball having a second height that is different from the first height. The first sealing member includes holes that expose the solder balls.

Abstract: The present disclosure relates to a novel polymer compound and a method for preparing the same. More particularly, the present disclosure relates to a novel conductive low band gap electron donor polymer compound having high photon absorptivity and improved hole mobility, a method for preparing the same and an organic photovoltaic cell containing the same. Since the conductive polymer compound as a low band gap electron donor exhibits high photon absorptivity and superior hole mobility, it can be usefully used as a material for an organic optoelectronic device such as an organic photodiode (OPD), an organic thin-film transistor (OTFT), an organic light-emitting diode (OLED), an organic photovoltaic cell, etc. as well as in the development of a n-type material.

Abstract: Disclosed is a method for adsorbing a dye for a dye-sensitized solar cell. The method includes: coating a paste including metal oxide nanoparticles on the upper surface of a titanium oxide thin film and calcining the coated paste to form a porous film; adding an additive to a sensitizing dye solution to promote the adsorption of the dye; and dipping the porous film in the sensitizing dye solution to adsorb the sensitizing dye onto the surface of the porous film. The sensitizing dye solution is a dispersion of the sensitizing dye in an organic solvent. Also disclosed are a working electrode prepared using the sensitizing dye solution and a dye-sensitized solar cell including the working electrode. The addition of the additive shortens the time of dye adsorption. Despite the shortened adsorption time, the dye does not undergo desorption in the long term as well as in the short term, ensuring long-term stability of the solar cell.

Abstract: Novel semiconducting photovoltaic polymers with conjugated units that provide improved solar conversion efficiency that can be used in electro-optical and electric devices. The polymers exhibit increased solar conversion efficiency in solar devices.

Abstract: A semiconductor device includes an active body having two sidewalls facing each other in a lateral direction, a junction formed in a sidewall of the two sidewalls, a dielectric layer having an open portion to expose the junction and covering the active body, a junction extension portion having a buried region to fill the open portion, and a bit line coupled to the junction extension portion.

Abstract: A semiconductor device includes a substrate and a plurality of active pillars disposed on the substrate and spaced apart from each other by trenches. Each of the active pillars includes a buried metal silicide pattern and an active region stacked on the buried metal silicide pattern, and the active region includes impurity junction regions.

Abstract: A method includes: forming a first contact hole by etching a first inter-layer dielectric layer; forming a preliminary first conductive plug that fills the first contact hole; forming a bit line structure over the preliminary first conductive plug; forming a first conductive plug by etching the preliminary first conductive plug so that a gap is formed between a sidewall of the first contact hole and the first conductive plug; forming an insulating plug in the gap; forming a multi-layer spacer including a sacrificial spacer; forming a second conductive plug neighboring the bit line structures and the first conductive plugs with the multi-layer spacer and the insulating plug therebetween; and forming a line-type air gap within the multi-layer spacer by removing the sacrificial spacer.

Abstract: In a method of manufacturing a semiconductor device, a gate structure is formed on a substrate. An ion implantation process is performed at an upper portion of the substrate exposed by the gate structure, so that an ion implantation region is formed to have an expanded volume. The ion implantation process uses ions that are identical to a material of the substrate.

Abstract: A display device and a method for fabricating the display device are provided. The display device includes a transparent circuit substrate for use as a touch screen, the transparent circuit substrate includes a transparent substrate, a Polymer Dispersed Liquid Crystal (PDLC) coating layer formed on the transparent substrate, an electrode layer provided on the PDLC coating layer, for applying current to the PDLC coating layer, and an insulation layer provided on the electrode layer.