가독성 향상을 위한 자동차 번호판의 형식 및 소재에 관한 연구

The purpose of this study is to propose the improved style and material of license plate, which is the exterior panel of the automobile indicating the legal registration codes, in order to provide the observers with the better readability than that of the current number plate in Korea. For the empirical study, the sample license plates were manufactured on three criteria, such as single or double line, reflective or non-reflective, and yellow captions on blue background or blue caption on yellow background. The results are as follows; 1) The average readable distance of the single line samples plates, in the daytime, is longer than that of the double line ones by 22%. 2) The average readable distance of the reflective sample plates, in the nighttime, is longer than that of the non-reflective ones by 14.7%. 3) The reflective yellow caption on blue background were prefectly read farther away than the blue captions on reflective yellow background by 6.4%. Also, there was no significant difference between non-reflective color contrasted samples; blue on yellow background and yellow on blue background.