Abstract: A method for cultivating sprout ginseng includes a step of growing ginseng seedlings to sprout ginseng while ultrasonic-spraying a nutrient solution of a natural material Neomax to a root portion of the ginseng seedlings, where the nutrient solution of the natural material Neomax is a mixture of a natural material Neomax liquid and water, and the natural material Neomax liquid has the same ingredients and amounts (mg/L) as shown in Table 1 in the detailed description.

Abstract: Embodiments relate to a polyamide-based film that is colorless and transparent, is excellent in mechanical properties and optical properties, has a wide angle of view by securing at least a certain level of luminance at various angles, and, in particular, has gloss characteristics similar to those of glass, a process for preparing the same, and a cover window comprising the same. The polyamide-based film comprises a polyamide-based polymer, wherein when the polyamide-based film is placed on a surface light source, light is irradiated from the surface light source, and the luminance value (L0) measured in the normal direction of the surface light source is 100%, the luminance value (L50) measured in the direction of 50° from the normal direction of the surface light source is 25% or more.

Abstract: The embodiments relate to a polyamide-based film excellent in optical properties, mechanical properties, and processing suitability and to a cover window and a display device comprising the same. The polyamide-based film comprises a polyamide-base polymer, wherein a dipolar solvent compatibility represented by the following equation is 18.5 to 24: Dipolar solvent compatibility=?{square root over ((?d??1d)2+(?p??1p)2)}. In the equation, ?d is a value of a dispersible component in surface energy of the polyamide-based film, ?p is a value of a polar component in surface energy of the polyamide-based film, ?1d is a value of a dispersible component in Hansen solubility parameter of the dipolar solvent, and ?1p a value of a dipolar component in Hansen solubility parameter of the dipolar solvent.

Abstract: Embodiments relate to a polyamide-based film, a manufacturing method therefor, and a cover window and a display device each comprising same, wherein the polyamide-based film has excellent optical characteristics, such as transmittance, haze, and yellowness, and excellent mechanical characteristics, such as modulus and thickness uniformity. The polyamide-based film contains a polyamide-based polymer and includes a sum XRD peak obtained by adding up a first XRD peak having the maximum value in the section where the 2? value is 10° (inclusive) to 20° (exclusive) and a second XRD peak having the maximum value in the section where the 2? value is 20° to 25°, on the XRD graph, wherein the full width at half maximum of the first XRD peak is 6° or less.

Abstract: The embodiments relate to a polyamide-based composite film that has excellent curl characteristics, mechanical properties, and optical properties, as well as, in particular, is effective in preventing reflection in the visible light region, remarkably reduces the rainbow phenomenon, and achieves a texture similar to that of glass, and a display device comprising the same. There are provided a polyamide-based composite film, which comprises a base film comprising a polyamide-based polymer; and a functional layer disposed on the base film, wherein the in-plane retardation (Re) measured with light having a wavelength of 550 nm is 100 nm to 220 nm, and a display device comprising the same.

Abstract: The polymer film according to an embodiment comprises at least one polymer resin selected from the group consisting of a polyamide-based resin, a polyimide-based resin, and a polyamide-imide-based resin, and has a haze of 0.6% or less and an in-plane retardation within a specific range for each wavelength band in the visible light region. The polymer film, which has an in-plane retardation within a specific range for each wavelength band in the visible light region, is excellent in transparency and optical properties, and it can remarkably reduce the rainbow phenomenon and improve the reflection appearance.

Abstract: The embodiments provide a polyamide-imide-based film, which comprises a polyamide-imide-based polymer, wherein when the coefficients of thermal expansion in the MD direction and TD direction of the film are measured at an interval of 5° C. in a temperature range of 300° C. to 365° C., respectively, the temperature at which the coefficient of thermal expansion in the MD direction or the coefficient of thermal expansion in the TD direction changes from a positive value to a negative value is 330° C. to 345° C., a process for preparing the same, and a cover window and a display device comprising the same.

Abstract: The embodiments provide a polyamide-imide-based film that comprises a polyamide-imide-based polymer and has an RC value of 0.96 to 1.03 as represented by the following Equation 1, whereby it is uniform in quality and excellent in mechanical properties and optical properties, a process for preparing the same, and a cover window and a display device comprising the same. <Equation 1>RC=CTEMD/CTETD In Equation 1, CTEMD is an average value of the coefficients of thermal expansion (ppm/° C.) in the MD direction of the film, CTETD is an average value of the coefficients of thermal expansion (ppm/° C.) in the TD direction of the film, and the average value is an average of the coefficients of thermal expansion measured at six points in total, in which two arbitrary points are selected in each of region N, region C, and region S partitioned in the TD direction of the film.

Abstract: A cleaner composition has excellent antibacterial properties by using a natural extract including small amounts of a sage extract a eucalyptus extract, or a combination thereof.

Abstract: The embodiments provide a polyamide-based film, which comprises a polyamide-based polymer and has a light resistance index of 0.660 GPa-1 or less as represented by the following Equation 1, whereby it has excellent mechanical properties, optical properties, and light resistance. [Equation 1] Light resistance index=?YI/Y. In Equation 1, Y is the modulus of the film, and ?YI is the rate of change in yellow index (YI) of the film before and after a light resistance test in which UV rays are irradiated to the film at 60° C., the UV irradiation is stopped, and water is sprayed at 50° C.

Abstract: The embodiments relate to a polyamide-based composite film that has excellent curl characteristics, mechanical properties, and optical properties, as well as, in particular, is effective in preventing reflection in the visible light region, remarkably reduces the rainbow phenomenon, and achieves a texture similar to that of glass, and a display device comprising the same. There are provided a polyamide-based composite film, which comprises a base film comprising a polyamide-based polymer; and a functional layer disposed on the base film, wherein the in-plane retardation (Re) measured with light having a wavelength of 550 nm is 100 nm to 220 nm, and a display device comprising the same.

Abstract: A polyamide-based composite film with curl characteristics, mechanical characteristics, and optical characteristics, as well as a wide angle of view provided by securing at least a certain level of luminance at various angles, and a display device comprising the same. The polyamide-based composite film comprises a base film comprising a polyamide-based polymer and a functional layer disposed on the base film. When the polyamide-based composite film is placed on a surface light source such that the base film is in contact with the surface light source, light is irradiated from the surface light source, a luminance value (L0) measured in the normal direction of the surface light source is 100%, and a luminance value (L50) measured in the direction of 50° from the normal direction of the surface light source is 25% or more.

Abstract: The embodiments relate to a polyamide-based film that is excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-based film, which comprises a polyamide-based polymer and has a plasticity characteristic value represented by the following equation of 18.45 to 19.97%, a process for preparing the same, and a cover window and a display device comprising the same: Plasticity characteristic value (%)=(100?nIT)/(HIT/HM). In this equation, nIT, HIT, and HM are measured according to the ISO 14577 standard with a nanoindenter, nIT is the elasticity (%), HIT is the indentation hardness (N/mm2), and HM is the composite hardness (N/mm2).

Abstract: The embodiments relate to a polyamide-imide film excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-imide film, which comprises a polyamide-imide polymer and has a reduced modulus of a top surface measured by the nanoindentation method according to the ISO 14577-2 standard of 5.6 GPa or more and a haze of 1% or less, a process for preparing the same, and a cover window and a display device comprising the same.

Abstract: The embodiments relate to a polyamide-based film excellent in optical properties, mechanical properties, and processing suitability and to a cover window and a display device comprising the same. The polyamide-based film comprises a polyamide-base polymer, wherein a dipolar solvent compatibility represented by the following equation is 18.5 to 24: Dipolar solvent compatibility=?{square root over ((?d??1d)2+(?p??1p)2)}. In the equation, ?d is a value of a dispersible component in surface energy of the polyamide-based film, ?p is a value of a polar component in surface energy of the polyamide-based film, ?1d is a value of a dispersible component in Hansen solubility parameter of the dipolar solvent, and ?1p a value of a dipolar component in Hansen solubility parameter of the dipolar solvent.

Abstract: The embodiments relate to a polyamide-based film excellent in optical properties such as transmittance, haze, and yellow index and mechanical properties such as modulus and thickness uniformity, to a process for preparing the same, and to a cover window and a display device comprising the same. The polyamide-based film comprises a polyamide-based polymer and has an XRD pattern comprising a first peak whose highest point is located in a section where 2? is 14° to 16°.

Abstract: A resin film for laminated glass, laminated glass including the resin film, and a process for manufacturing the laminated glass are disclosed. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.

Abstract: Embodiments relate to a polyamide-based film that is colorless and transparent, is excellent in mechanical properties and optical properties, has a wide angle of view by securing at least a certain level of luminance at various angles, and, in particular, has gloss characteristics similar to those of glass, a process for preparing the same, and a cover window comprising the same. The polyamide-based film comprises a polyamide-based polymer, wherein when the polyamide-based film is placed on a surface light source, light is irradiated from the surface light source, and the luminance value (L0) measured in the normal direction of the surface light source is 100%, the luminance value (L50) measured in the direction of 50° from the normal direction of the surface light source is 25% or more.

Abstract: The polymer film according to an embodiment comprises at least one polymer resin selected from the group consisting of a polyamide-based resin, a polyimide-based resin, and a polyamide-imide-based resin, and has a haze of 0.6% or less and an in-plane retardation within a specific range for each wavelength band in the visible light region. The polymer film, which has an in-plane retardation within a specific range for each wavelength band in the visible light region, is excellent in transparency and optical properties, and it can remarkably reduce the rainbow phenomenon and improve the reflection appearance.

Abstract: A resin film for laminated glass, laminated glass including the resin film, and a process for manufacturing the laminated glass are disclosed. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.