3535/5050 lamp bead LED display for three outdoor barriers

LED outdoor surface mount 3535/5050 products are the main choice for outdoor LED display with its three-in-one mixed color display mode. However, due to the physiological defects of the product itself, the following problems can be solved, and the 3535 or 5050 LED display can be used outdoors. 1. T ...more...

Suzhou Huacan Optoelectronics Receives $150 Billion LED Proj…

According to sources, Huacan Optoelectronics (Suzhou) Co., Ltd. has found a $150 million six-year loan for LED production projects. The Suzhou Branch of China Development Bank was the lead bank with a loan of 140 million US dollars. Bank of Communications Suzhou Branch also participated in the loan ...more...

Home LED optical beauty machine is suspicious

At present, there are many household optical beauty machines in the market. The machine is equipped with LED light source, which claims to improve skin quality and relieve acne problems through light. On September 16, the Hong Kong Consumer Council's investigation of optical beauty machines fou ...more...

Current controlled switching power supply system

The current-controlled switching power supply system has three control modes: peak current control, average current control, and hysteresis current control. Figure 1 shows the block diagram of the current-mode controlled switching power supply system. It contains two negative ...more...

The status quo, hidden troubles and reforms of domestic fina…

As the LED market began to pick up, the editors ofweek talked about financial subsidies. First of all, financial compensation is a double-edged sword. It is necessary to grasp standards to prevent companies from suffering from financial dependency; Second, financial subsidies to promote LE ...more...

The problem of LED lighting reliability assessment remains t…

According to reports, the life performance measurement and evaluation of traditional light sources have been standardized. Due to their short life and interchangeability, whether it is incandescent or energy-saving lamps, the replacement of the bulb will not affect the continued use ...more...

Simple and practical: a triode inverter circuit design

This is a circuit diagram of household inverter power supply with excellent performance. The material is easy to take and the output power is 150W. The design frequency of this circuit is about 300Hz, the purpose is to reduce the volume and weight of the inverter transformer. ...more...