LOW-TRANSMITTANCE TRANSPARENT CONDUCTIVE BASE MATERIAL AND ITS MANUFACTURING METHOD AS WELL AS DISPLAY DEVICE APPLYING THIS BASE MATERIAL

摘要

PPROBLEM TO BE SOLVED: To provide a low-transmittance transparent conductive base material, and its manufacturing method as well as a display device, with excellent conductivity, low-reflection characteristics, low-transmittance characteristics, and with a good transmitted color, as well as with reduced manufacturing cost. PSOLUTION: With the low-transmittance transparent conductive base material composed of a transparent substrate and a transparent membrane, the transparent membrane is structured with a coloring layer, a transparent conductive layer and a transparent coating layer, with an a* value at -10 to +5, a b* value at -10 to +5, of color index in an L*a*b* color model of the transparent membrane (at a standard light source of D65, a visual field angle of 2 degrees) found from transmittance measured for each 5 nm in a visible light range of 380 to 780 nm and a surface resistivity of the transparent membrane at 510SP3/SP/(square) or less, reflectance to be minimum in a reflection profile in a visible light range of 380 to 780 nm of less than 2%, a transmittance of 40 to 60%, and a standard deviation of light transmittance excluding the transparent substrate measured for each 5 nm of 7% or less. PCOPYRIGHT: (C)2003,JPO