Nixie tubes are a commonly used display device with a moderate character height, suitable for a variety of electronic equipment. Their external dimensions are approximately 18mm×12.5mm×4mm, with a total of 6 pins. They come in a rich range of colors, including red, orange, emerald green, blue, white, yellow, and other options, which can meet the needs of different application scenarios. They are available in two polarities: common cathode and common anode. Currently, the LED nixie tubes, nixie screens, LCDs, LCMs, and LED products developed and manufactured are mainly used in instruments, meters, consumer electronics, handheld devices, POS machines, household appliances, as well as the transportation and communication fields.