p4 p4 indoor full color unit board LED particles currently used mainly two, one is SMD0805, the other is SMD2121, SMD0805 price cheaper than the SMD2121, SMD2121 superior performance SMD0805, from market trend now, SMD0805 and SMD2121 difference getting smaller and smaller, so the use of black light SMD2121 beads unit board cost is also higher. Full color display manufacturers generator can convert mechanical energy into electrical energy, the price of full-color battery can convert chemical energy into electrical energy. Generator, battery itself is not charged Shandong full color screen, its poles, respectively, positive and negative charges manufacturers full color full color display manufacturers, full color generated by the positive and negative charge voltage (current charge director is moving under the influence of voltage formed ) indoor full color, the conductor in charge already has full color, to produce current only voltage can, Shandong full color screen when the battery terminals connected to a conductor in order to generate current release out the positive and negative charge Shandong full color display, when the charge cleared, the Netherlands will make flow (pressure) disappeared. Batteries and other is called power. Through the transformer and rectifier, the alternating current into direct current power supply device called a rectifier. To provide an electronic device called a signal source. Transistor can be amplified signal sent, again amplified signal is transmitted to the back of the circuit to go. Transistor on the back of the circuit can also be seen as a signal source. Rectifier power supply, sometimes called a power source. Full color manufacturers offer, Yasuhiro photovoltaic (certified), Dongying full color provided by the Thai-Hong Electronics Co., Ltd. Linyi. Linyi Wang Tai Electronics Co., Ltd. (www.ledzkd.com) (www.ledzkd.com) is a leader in Linyi, a display device, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In Hong Thai Optical leadership with the staff warmly welcome all inquiries negotiations to create the Thai macro photoelectric a better future.