| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately read a bar code without increasing the overall size even in a case that the bar code is displayed by changing a state of a display medium arranged between opposing electrodes. <P>SOLUTION: Color regions 34, comprising nearly the same color as a black color displaying bars 5 and having a width 10 times or more of the width of a narrow bar having the narrowest width of the displayed plural bars 5 in an array direction of the plural bars 5, are provided at outward positions in the array direction of the plural bars 5 away from two most outward bars in the array direction of the plural bars 5 by a distance of 10 to 29 times the width of the narrow bar. <P>COPYRIGHT: (C)2012,JPO&INPIT |
