Numeric LED Display, which is also called 7 segment led display made with segments, is one type of LED Display. As numeric LED display shows information related to numbers: temperature, time, speed and so on, it is becoming a popular and important media, which are able to satisfy the requirments of an increasingly chaotic lifestyle. The numeric LED dispaly has many advantages which are listed as below: (1)It can memorize informative and promotional message; (2)The great flexibility of bright display allows to variable messages broadcast at the same time; (3)The bright signs make it be recognizable immediately; (4)Full color, dual color and monochromatic color different options are available and with a life time of 50,000 to 100.000 hours.etc. These unique advantages make numeric LED display used in a wide range of occasions such as (1)Audio equipment or instrument panels; (2)General use for digital indicators; (3)Multimedia product.