Inspur Huaguang is one of the earliest companies engaged in LED epitaxial development in China. The company has been established for 10 years. The company has trained some of the chip technology talents in mainland China in the early years. So far,…

STMicroelectronics (ST; NYSE: STM) will showcase its products at the Mobile World Congress in Barcelona from February 27th to March 1st, 2012. And the latest innovations (the STMicroelectronics booth is located in Hall 7 of Hall 7C18).

This article refers to …

To this day, fluorescent lamps are still the cheapest way to produce white light with minimal power consumption (lumens/watt). Nowadays, the annual sales volume of compact fluorescent lamps reaches hundreds of millions, and the requirements for the re…

The pulse detection circuit uses an operational amplifier to form an in-phase AC amplifier circuit, which does not amplify the DC signal. Due to the presence of the feedback capacitor, it can filter out the power frequency interference of 50 Hz, so that the low frequency s…

The solar LED lighting system consists of intelligent controllers, solar modules, energy storage components, LED circuits and LED light sources (see Figure 1). The working principle is: when there is sunlight in the day, part of the electricity generated by the solar batte…

This paper gives several motor protection schemes. It not only has fast response and reliable control, but also greatly reduces the production cost of the protection device. Compared with the traditional protection circuit, the protection circuit saves the energy consu…

Ganzhao Optoelectronics held the 2011 Annual General Meeting of Shareholders on March 16, 2012 to review and approve the 2011 annual equity distribution plan of the company.

Based on the company's existing to…