Abstract: A coating layer for blocking EMI is disclosed, which comprises a base substrate, and a deposition member formed at one surface of the base substrate, comprising a plurality of repetitive unit films which include metal layers and high refraction layers, wherein any one of the outmost metal layers of the deposition member has a minimum thickness among the metal layers. Also, an optical filter which includes the coating layer and a display apparatus are disclosed.

Abstract: An electromagnetic wave shielding filter that has low electric conductivity, high visible light transmittance and good durability, a method of manufacturing the electromagnetic wave shielding filter, and a PDP apparatus including the electromagnetic wave shielding filter. The electromagnetic wave shielding filter includes a laminate structure including multiple stacks each consisting of a niobium oxide layer, a first protective layer having a ZnO as a main component, and a metal layer sequentially laminated in that order, the multiple stacks formed by repeatedly laminating the respective layers at least three times, and a niobium oxide layer formed on the laminate structure.

Abstract: An optical filter for a display device includes a transparent substrate; an electromagnetic shielding layer in which a high refractive metal oxide layer and a metallic layer are layered, the electromagnetic shielding layer being layered on the transparent substrate; and a grounding conductive film layer for grounding the electromagnetic shielding layer, the a grounding conductive film layer being layered on the electromagnetic shielding layer. The optical filter can improve the ability to block electromagnetic waves.

Abstract: A coating layer for blocking EMI is disclosed, which comprises a base substrate, and a deposition member formed at one surface of the base substrate, comprising a plurality of repetitive unit films which include metal layers and high refraction layers, wherein any one of the outmost metal layers of the deposition member has a minimum thickness among the metal layers. Also, an optical filter which includes the coating layer and a display apparatus are disclosed.

Abstract: A plasma display panel (PDP) filter having a multi-layer thin film, the PDP filter including: a transparent substrate; at least one repeating unit layer comprising a high refractive transparent thin film layer, a metal oxide film layer, and a metal thin film layer located on the transparent substrate, and stacking each repeating unit layer; and the high refractive transparent thin film layer being formed on a upper portion of the at least one repeating unit layer.

Abstract: An electromagnetic wave shielding filter that has low electric conductivity, high visible light transmittance and good durability, a method of manufacturing the electromagnetic wave shielding filter, and a PDP apparatus including the electromagnetic wave shielding filter. The electromagnetic wave shielding filter includes a laminate structure including multiple stacks each consisting of a niobium oxide layer, a first protective layer having a ZnO as a main component, and a metal layer sequentially laminated in that order, the multiple stacks formed by repeatedly laminating the respective layers at least three times, and a niobium oxide layer formed on the laminate structure.

Abstract: An anti-reflective and anti-static multilayer structure for display device, comprising a glass substrate, and an ITO layer, a first Nb2O5 layer, a first SiO2 layer, a second Nb2O5 layer and a second SiO2 layer, which are successively formed on the glass substrate, achieves good film adhesive strength, solidity and enhanced photoreflectance.

Abstract: An anti-reflective and anti-static multilayer structure for display device, comprising a glass substrate, and an ITO layer, a first Nb2O5 layer, a first SiO2 layer, a second Nb2O5 layer and a second SiO2 layer, which are successively formed on the glass substrate, achieves good film adhesive strength, solidity and enhanced photoreflectance.