Abstract: Toner particles having high transcription efficiency and reducing toner toner consumption. The toner includes a binder resin and a colorant, wherein a particle diameter distribution of the toner particles satisfy the following conditions: GSD??GSD??GSD???(1) 0.80?GSD??0.

Abstract: Toner particles having excellent cleaning properties and glossing properties. The toner particles include a binder resin, a releasing agent, and a colorant, wherein toner particles satisfy the following conditions. 50° C.?T1/2?Tg?100° C.??(1) 50° C.?Tg60° C.

Abstract: A thin film transistor includes a substrate; a semiconductor layer disposed on the substrate, the semiconductor layer having a source region, a drain region, and a channel region between the source region and the drain region; a gate insulating layer disposed on the semiconductor layer and on the substrate; and a gate electrode disposed on the insulating layer over the channel region, wherein the semiconductor layer includes tapered edge portions with a taper angle defined between the tapered edge portions and a surface of the substrate is less than about 30 degrees.

Abstract: Disclosed herein is a method for evaluating scratch resistance of a plastic resin comprising scratching a surface of a test sample of plastic resin using a scratch apparatus to form a scratch of the surface having a scratch profile; scanning the scratched test sample with a surface profile analysis apparatus to measure the scratch profile; and creating a scratch resistance evaluation index based on the measured scratch profile to evaluate the scratch resistance of the test sample. The method has good reliability and reproducibility, reduces measurement time and errors caused by measurers and measuring conditions, provides easy measurement and can be widely applied to all plastic resins.

Abstract: A polymer composite material includes metal (oxide) nanoparticles chemically bonded to a vinyl polymer. Some embodiments may additionally comprise thermoplastic resin through which the nanoparticles and vinyl polymer are dispersed. In some embodiments, the composite materials have improved impact strength, tensile strength, heat resistance, and flexural modulus.

Abstract: A thin film transistor comprises a substrate; a semiconductor layer disposed on the substrate, the semiconductor layer having a source region, a drain region, and a channel region between the source region and the drain region; a gate insulating layer disposed on the semiconductor layer and on the substrate; a gate electrode disposed on the insulating layer over the channel region; an passivation layer disposed on the gate electrode and the gate insulating layer; a source electrode disposed in contact with upper, lower and side surfaces of the source region via a first contact hole through passivation layer, the gate insulating layer and the semiconductor layer; and a drain electrode disposed in contact with upper, lower and side surfaces of the drain region via a second contact hole through the passivation layer, the gate insulating layer and the semiconductor layer.

Abstract: A method of preparing a toner using a micro-suspension particle, includes preparing a mixture by mixing a resin having acidic groups, a master batch of coloring pigment, and at least one additive with an organic solvent, and then neutralizing the acid groups of the resin with a base; forming a micro-suspension by adding the prepared mixture to a dispersion medium; and forming a toner composition by removing the organic solvent from the prepared micro-suspension. Therefore, the method of preparing a toner using the disclosed micro-suspension particle and a toner prepared using the same can save manufacturing costs, and can improve charging ability and cleaning properties of the toner.

Abstract: An image forming apparatus management server, a Service Continuity Score (SCS) calculating method of the management server, and an image forming apparatus management system. A setup manager sets a priority with respect to items required to calculate an SCS indicative of a normal operation time of an image forming apparatus, an incident manager registers and manages an incident related to the image forming apparatus, and an SCS manager calculates the SCS using the registered incident and the priority set for the items.

Abstract: According to a method of preparing a toner by emulsion aggregation, viscosity of dispersions is controlled during an initial reaction by using an abietic acid so that a particle diameter distribution of the toner is narrowed.

Abstract: According to preparing toner by emulsion aggregation, viscosity of dispersions is controlled during an initial reaction by using a cellulose derivative and/or a cyclodextrin derivative so that a particle diameter distribution of the toner is narrowed and environmental problems caused by the use of the toner may be reduced.

Abstract: A method for fabricating a thin film transistor and a thin film transistor includes a polycrystalline silicon layer formed by irradiating an amorphous silicon layer with a laser beam through an organic layer formed on the amorphous silicon layer and removing the organic layer.

Abstract: Provided are a method of forming a toner image and an electrophotographic image forming apparatus including a toner. The method of forming a toner image is performed using a first toner having a yellow color and color coordinate values of a lightness (L) ranging from 91 to 94, a redness (a) ranging from ?11 to ?9, and a yellowness (b) ranging from 77 to 82; a second toner having a magenta color and color coordinate values of a lightness (L) ranging from 56 to 61, a redness (a) ranging from 56 to 61, and a yellowness (b) ranging from ?7 to ?5; and a third toner having a cyan color and color coordinate values of a lightness (L) ranging from 58 to 62, a redness (a) ranging from ?33 to ?30, and a yellowness (b) ranging from ?42 to ?37.

Abstract: A method for fabricating a thin film transistor and a thin film transistor includes a polycrystalline silicon layer formed by irradiating an amorphous silicon layer with a laser beam through an organic layer formed on the amorphous silicon layer and removing the organic layer.

Abstract: A thin film transistor comprises a substrate; a semiconductor layer disposed on the substrate, the semiconductor layer having a source region, a drain region, and a channel region between the source region and the drain region; a gate insulating layer disposed on the semiconductor layer and on the substrate; a gate electrode disposed on the insulating layer over the channel region; an passivation layer disposed on the gate electrode and the gate insulating layer; a source electrode disposed in contact with upper, lower and side surfaces of the source region via a first contact hole through passivation layer, the gate insulating layer and the semiconductor layer; and a drain electrode disposed in contact with upper, lower and side surfaces of the drain region via a second contact hole through the passivation layer, the gate insulating layer and the semiconductor layer.

Abstract: Provided are a toner and a method of preparing the same. The toner includes a binder resin, a coloring agent, and at least one additive, and a storage modulus curve of the toner with respect to temperature has multiple inflection points. The toner may be used in an electrophotographic image forming apparatus.

Abstract: The present invention relates to a capacitive touch sensor and, more particulaly, to a capacitive touch sensor integrated with window panel. The capacitive touch sensor integrated with window panel according to the present invention a transparent window panel substrate; a non-conductive opaque decorative layer formed on a surface of the substrate along the edges of the substrate to define a transparent window area (W) on the substrate; a transparent electrode pattern layer formed over the window area (W) of the substrate and the decorative; and a conductive wiring pattern layer formed at an edge of the transparent electrode pattern layer. The conductive wire pattern layer is disposed in such a manner that it is concealed by the opaque decorative layer. As the touch sensor of the present invention is integrated with the window panel, no additional substrate (PET) on which transparent electrodes are patterned is not required and the thickness of the touch sensor is can be reduced.

Abstract: A thin film transistor comprises a substrate; a semiconductor layer disposed on the substrate, the semiconductor layer having a source region, a drain region, and a channel region between the source region and the drain region; a gate insulating layer disposed on the semiconductor layer and on the substrate; a gate electrode disposed on the insulating layer over the channel region; an passivation layer disposed on the gate electrode and the gate insulating layer; a source electrode disposed in contact with upper, lower and side surfaces of the source region via a first contact hole through passivation layer, the gate insulating layer and the semiconductor layer; and a drain electrode disposed in contact with upper, lower and side surfaces of the drain region via a second contact hole through the passivation layer, the gate insulating layer and the semiconductor layer.

Abstract: A toner using an organic solvent-insoluble resin and a method of preparing the same. The toner includes: a binder resin that comprises an organic solvent-insoluble resin and an acid group-containing resin, a coloring agent, and at least one additive, wherein the organic solvent-insoluble resin is a crosslinked polyester resin or a cyclic olefin co-polymer (COC) resin, and the ratio of the organic solvent-insoluble resin to the acid group-containing resin is in the range of 5:95 to 40:60 on a weight basis. The toner can be applied to an electrophotographic imaging apparatus.

Abstract: Provided are an electrophotographic toner and an electrophotographic image forming apparatus using the same. The electrophotographic toner includes: parent toner particles including a binder resin, a colorant, a releasing agent, and a charge control agent; and barium titanate external additives having an average primary particle diameter in the range of about 50 to about 150 nm, an average shape factor (SF1) in the range of about 100 to about 120, a shape factor in the range of about 0.96 to about 1, and an aspect ratio in the range of about 0.89 to about 1, and added to the surface of the parent toner particles.

Abstract: A polymer composite material includes metal (oxide) nanoparticles chemically bonded to a vinyl polymer. Some embodiments may additionally comprise thermoplastic resin through which the nanoparticles and vinyl polymer are dispersed. In some embodiments, the composite materials have improved impact strength, tensile strength, heat resistance, and flexural modulus.