Guangzhou Youyi Electronics Co., Ltd.

1. The role of optocoupler in adjusting voltage of switching power supplyWe know that as a switching power supply, the power supply of the optocoupler in its circuit is obtained from the secondary voltage of the high-frequency transformer. Once the output voltage decreases due to various reasons, the feedback current will increase accordingly, and the duty cycle will also The output voltage will i...

The annual report of Everlight’s shareholders meeting is released. Chairman Ye Yinfu is optimistic that automotive lighting, MiniLED, ultraviolet and infrared LEDs will become new niche markets and act as a driving force for operational growth. Although the pneumonia epidemic has caused market uncertainty, it is also It can accelerate product differentiation and pursue shipment growth and quality...

      Infrared pair tube is a general term for infrared emitting tube and photosensitive receiving tube, or infrared receiving tube, or infrared receiving head when used together. The part of the spectrum with a wavelength greater than 0.76 microns is called infrared.Infrared pair tubes are divided into infrared emitting tubes and infrared receiving tubes, which are also common infr...

Everlight Electronics Industry Co., Ltd. [TSE: 2393], the leading manufacturer of the global LED optoelectronics industry, launched a new UVC product ELUC3535NUB series in the first quarter to maintain the quality of life and sanitation of the Chinese people, using sapphire substrate special epitaxial chips and flip-chip technology , Guarantee quality and efficiency, suitable for sterilization rel...