in the liquid crystal display device in particular, COT structure The present invention relates to a liquid crystal display device means a liquid crystal display device comprising (a black matrix) and it. ; the black matrix according to the present invention, the impedance (Z) is in the driving frequency band of 1KHz ~ 100KHz 10 5 , and the relative dielectric constant ( ) is ~ 20, and the specific resistance ( ) is 10 11 is characterized by having an electrical characteristic, and wherein, in the interior of the black matrix containing material is a carbon (C) particles coated with the surface of the insulating material, titanium (Ti) and the particle color pigment (color pigment) and one or more than one material, characterized in that the mixing of. ; The use of the introduction to the liquid crystal display device having a black matrix, such as the electrical properties, particularly, the parasitic capacitance that can be caused by the black matrix at the COT structure can be minimized, which results in a signal delay There can be prevented and the aperture ratio and the advantage of producing a liquid crystal display device of high definition.
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