Optical laminate and production method therefor, front panel, and image display device

• Main Authors: NAKASHIMA, MASATAKA, TSUNEKAWA, MASAYUKI, OOISHI, EIJI, IWASAKI, TOSHIKI, YOSHIKATA, KUNIAKI, NOMURA, TAKAHISA, YAMAMOTO, KANA, NAKAGAWA, HIROKI, HAMADA, TAKANORI
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2017
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TRANSPORTING

Provided are: [1] an optical laminate which sequentially has a base film, a transparent conductive layer, and a surface protection layer, wherein the mean value of surface resistivity as measured in conformity within a range of 1.0*107-1.0*1010 [Omega]/□, and the standard deviation [sigma] of the surface resistivity is not more than 5.0*108 [Omega]/□; [2] an optical laminate which sequentially has a base film, a transparent conductive layer, and a surface protection layer, wherein the base film is a cycloolefin polymer film, the thickness of the base film accounts for 80-95% of the overall thickness of the optical laminate, and the rate of elongation of the optical laminate is 5.0-20%; and [3] an optical laminate which sequentially has a cellulosic base film, a stabilization layer, and a conductive layer, wherein the mean value of surface resistivity as 1.0*107-1.0*10 12 [Omega]/□, and the value obtained by dividing the standard deviation [sigma] of the surface resistivity by said mean value is not more than