R = (E-UF) / IF where E is the supply voltage, UF for the LED's forward voltage drop, Shandong full color LED IF the normal operating current. A core part of Linyi LED display light-emitting diode is a P-type semiconductor and N-type semiconductor wafer advertising displays, between the P-type semiconductor and N-type semiconductors have a transition full-color display, called the PN junction. Shandong full color display in certain semiconductor materials, PN junction in the display, the minority carrier injection Shandong full color and majority carrier recombination, when will the excess energy released in the form of light, full color so the power directly into light energy. Linyi LED display PN junction reverse voltage, color screen minority carrier injection is difficult, it is not light. (4) Shandong full color stadium information display. LED display has replaced the traditional bulb and CRT display, full color Linyi National Stadium Bird's Nest, Water Cube, the Shanghai Sports Center, Shandong LED display Dalian many other national stadium major sports venues have adopted the LED display for information display The main means.  (5) road traffic information Linyi color screen display. Intelligent Transportation Systems (ITS), and Linyi door first full color in the fields of urban transport, highways, etc., Shandong outdoor full color LED display as variable information boards, speed limit signs, etc., substitute similar foreign products, Shandong indoor full color It has been widely used.  (6) Linyi LED display dispatch center information display. Power dispatch, vehicle dynamic tracking, vehicle height adjustment and management, has gradually Jiangsu full color high-density LED display. Car display, the display of Weifang, Linyi Hong Thai photoelectric provided by Thai-Hong Electronics Co., Linyi Wang Tai Electronics Co., Ltd. (www.ledzkd.com) (www.ledzkd.com) strong, credible, in Linyi display equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hong Thai Optical into the brilliant and you work for a better future!