Abstract: The present invention relates to a surface energy measurement instrument configured to apply a measurement reagent to a surface of metal foil to measure surface energy of the metal foil, the surface energy measurement instrument including a main body unit configured to store and discharge the measurement reagent and an application unit configured to apply the measurement reagent to the surface of the metal foil, wherein the main body unit includes a reagent storage portion configured to store the measurement reagent, a reagent injection port located at an upper part of the reagent storage portion, a reagent discharge port located at a lower part of the reagent storage portion, and a discharge amount adjustment portion connected to the reagent discharge port, the discharge amount adjustment portion being configured to adjust the discharge amount of the measurement reagent to be discharged from the reagent storage portion.

Abstract: The present invention relates to an apparatus for simulating thermal wrinkles of an electrode sheet and a simulation method using the same, and more particularly to an apparatus for simulating thermal wrinkles of an electrode sheet having an active material applied thereto generated during drying of the electrode sheet, the apparatus including an electrode sheet fixing unit configured to applying tensile load to the electrode sheet (S) so as to be stretched by a predetermined length in the state in which opposite ends of the electrode sheet are fixed, a temperature adjustment unit configured to heat the electrode sheet fixing unit to a predetermined temperature while wrapping the electrode sheet fixing unit, and a rail configured to move the temperature adjustment unit, and a simulation method using the same.

Abstract: An apparatus for driving a light source and a liquid crystal display device using the same is disclosed. The apparatus for driving a light includes: a light source unit including a plurality of lamps to emit light; and a light source driving unit that selectively drives the plurality of lamps in response to a luminance control signal and a selection signal.

Abstract: An apparatus for driving a light source and a liquid crystal display device using the same is disclosed. The apparatus for driving a light includes: a light source unit including a plurality of lamps to emit light; and a light source driving unit that selectively drives the plurality of lamps in response to a luminance control signal and a selection signal.