COB light source is in the limelight in the field of commerc…

[Text|Dr. Xie Zhiguo] This year, COB has developed rapidly in the field of commercial lighting. In the form of reflectors or lenses, COB has become the mainstream solution for directional lighting, and its optical quality improvement is currently a single high-power device. Unmatched. At the same ...read more...

Development status and future trends of LED ceiling lamps

LED lighting is regarded as the pillar industry of energy saving and environmental protection industry. With the improvement of LED technology and the rapid decline of cost, it is known as the market that LED will be finally conquered. Home lighting is now slowly infiltrating. In the past two years ...read more...

How to control ultra low frequency and improve the low frequ…

1. The direction of speaker 1 and speaker 2 are the same, and the front-rear distance is 1/4 wavelength. 2. The two speakers are the ideal ones, the signal conversion delay time is the same, and the same ideal cosine wave is sent in the A direction. 3. The sounding point distance from point A t ...read more...

Business Road: LED WeChat Marketing

According to recent official information from WeChat official, the total number of WeChat accounts has exceeded 5.8 million, and the average daily growth has increased from 8,000 last year to 15,000. WeChat is too hot, companies are wondering how to use WeChat to the company's actual o ...read more...

Analysis of the evolution trend of in-vehicle infotainment s…

With the increasing demand for high-tech technology in the car, the most intuitive information entertainment system (IVI) has become more and more popular, graphical interface, rich multimedia functions, and the in-vehicle infotainment system. The market is growing rapidly. For the majority of ch ...read more...

LED vulcanization failure analysis method

The vulcanization of LED refers to the process in which silver ions in the coating react with sulfur ions to form black silver sulfide after the LED lamp beads are exposed to sulfur-containing substances in the external environment. Both high temperature and high humidity wi ...read more...