The idea is very suitable for countries that use hanzi/kanji or Chinese traditional alphabet (HK, Taiwan, Japan, China etc.,) because of how traffic LED lights work. Traffic light/Traffic LED light is a light source which uses semiconductors and electroluminescence to create light. There are two major kinds of light emitting diodes: LED and EL. The LED is different than EL lamp in that it uses a small semiconductor crystal with reflectors and other parts to make the light brighter and focused in