ANTI-GLARE PROPERTY EVALUATION APPARATUS, ANTI-GLARE PROPERTY EVALUATION STANDARD SETTING METHOD, AND ANTI-GLARE PROPERTY EVALUATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an anti-glare property evaluation apparatus, an anti-glare property evaluation standard setting method, and an anti-glare property evaluation method which can perform quantitative evaluations of the anti-glare property of an antireflection film quickly and with high precision.;SOLUTION: The anti-glare property evaluation apparatus includes a uniform diffusing light source 10 of which the light source width α° can be changed, a measuring optical system 12 for generating constant-angle reflected light at a display surface sample 28, a detecting means 14 for detecting a specular reflective brightness coefficient SR(α°), a change ratio calculation means 16 for calculating a brightness change ratio A from the specular reflective brightness coefficient SR(α°), which is generated by at least two optical source widths α° with respect to the display surface sample 28, and an anti-glare calculation means 18 for determining an anti-glare property defined value AG with respect to the brightness change ratio A. The brightness change ratio A is calculated from the specular reflective brightness coefficient SR(α°) at the display surface sample 28, which is an object to be evaluated, generated by at least two light source widths α° of the uniform diffusing light source 10, and on the basis of the brightness change ratio A, the anti-glare property defined value AGV is determined.;COPYRIGHT: (C)2008,JPO&INPIT