(1) By word score: Strokes display character height of minimal 1mm (monolithic integrated multi-bit digital word generally high in 2 ~ 3mm). Other types of strokes displays up to 12.7mm (0.5 inches) or even hundreds mm. (2) divided by the number of colors of red, orange, yellow, and green. (3) by the structure led display Which is good, there is the reflector type, single seven-segment and single-chip integrated. (4) from the light-emitting segment electrode connection points have two common anode and common cathode. Switching DC power supply and the linear power supply different class of stable power supply is switched-mode DC power supply bus led display, Linyi LED display its circuit pattern mainly single-ended flyback, single-ended forward half-bridge, push-pull and full-bridge. The fundamental difference between it and the LED display Linyi linear power transformer is that it does not work in the frequency but in tens of kHz to several MHz. Shandong LED Display Function tube is not working in the saturation region, that is the cut-off switch state; switching power supply, hence the name Shandong full color. Advantages Linyi LED display manufacturers switching power supply is small size hotel LED screen, light weight, stable and reliable; Linyi LED disadvantage relative to the linear power supply ripple is large (typically ≤1% VO (PP), good to do to more than a dozen mV (PP) or less). Linyi can display its power from a few watts - are the product of several kilowatts. The price of 3 yuan - more than ten million / watt, the following are a few general habits classified Switching Power Supply: bus led display, sunshine display, provided by the Thai macro photoelectric Linyi Wang Tai 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!