Philips Electronics is developing hospital lighting to help patients reduce stress and eventually heal, as part of the Philips Environmental Experience Program (AE). The Dutch Cancer Institute in Amsterdam, the Netherlands, has just installed a controllable lighting system. After radioactive injec ---MORE---
[High-tech LED News] Taiwan's variety "one brother" Wu Zongxian appeared in Kunshan recently, carrying the LED industry to the largest Taiwan commodity trading center on both sides of the strait, opened the first star store, the main LED products. According to previous reports from t ---MORE---
[High-tech LED News] LED substrate factory Zhaojing and sapphire crystal rod factory Xinjing drill announced on the 14th, the original merger date of the two companies is December 31 this year, in order to make the merger benefits emerge as soon as possible, the merger base date will Advance until ---MORE---
[High-tech LED News] As the mainland gradually banned the incandescent lamp schedule, the Taiwan factory has begun to receive business opportunities. A few days ago, Dongbei Optoelectronics and New Century Optoelectronics successively received orders for mainland LED lighting. At present, Dongbei ---MORE---
Recently, the Fujian Provincial Earthmoving Machinery Standardization Technical Committee and the Fujian Provincial Semiconductor Light-Emitting Device (LED) Application Product Standardization Technical Committee were established in Xiamen. It is reported that after the establishment of the above ---MORE---
1. Circuit composition When more LEDs are needed, if all the LEDs are connected in series, the LED driver will need to output a higher voltage: if all the LEDs are connected in parallel, the LED driver is required to output a large current. Connecting all or three LEDs in series not ---MORE---
If the brightness of white LEDs is several times larger than that of conventional LEDs, and the power consumption characteristics are expected to exceed fluorescent lamps, it is necessary to overcome the following four major problems: a. suppress temperature rise; b. ensure service life; c. improve ---MORE---