Although LED has many advantages, in the application of general lighting, energy saving and longevity cannot be achieved. This is the result of the first time in Guangdong, the "quality expert" of LED lamps. LED heat is not good, it will be "short-lived" "We have always kept environmental protection, energy saving and longevity in the mouth, but in reality, there is still a big problem in longevity." Yu Anqi, a professor-level senior engineer and senior auditor of the National Lighting Quality Supervision and Inspection Center, said that in landscape lighting and backlighting. On the LED, LED can basically achieve longevity, but in the field of general lighting, LED can not achieve high efficiency and longevity. LEDs are most afraid of high temperatures. Once the heat is not good, it will result in low luminous efficiency and shortened service life. Yu Anqi revealed that his country's electric light source quality inspection center conducted experiments on more than 70 batches of LED lights for road lighting and tunnel lighting. After 1500 hours of lighting, about 70% of the product's lumen maintenance rate (reflecting life) One indicator) is below 80%. "The product is expensive, only the service life is longer, the maintenance factor is better, otherwise it does not mean." Yu Anqi said. According to reports, the highest level of life of LED street lamps in China is only about 20,000 hours, which is lower than the 50,000 hours in some publicity materials. Luo Nengyun, technical director of Guangdong Snowlight [11.10 2.30%] Optoelectronics Technology Co., Ltd. believes that in the next three to five years, the LED lights for indoor lighting will gradually increase, but the technology of LED lamps for indoor lighting in high power is not yet available. mature. Indoor LED lights are not good for color development Yu Anqi said that the poor color rendering of LED lights is one of the obstacles to its entry into the field of indoor lighting. With a light-colored lamp, the color that people see will be distorted. "According to the standard, indoor lighting color rendering should reach 80, incandescent lamps and fluorescent lamps can be achieved, but the LED lights are still not available, or the color rendering is achieved, the light effect is not enough, the two can not take into account, this is The direction of future efforts." Yu Anqi said. Disclaimer: This article represents only the author's personal opinion and has nothing to do with Phoenix.com. The originality and the text and content stated in the text have not been confirmed by this site. The website does not guarantee or promise the authenticity, completeness and timeliness of this article and all or part of the content and text. Please refer to the reader for reference only. Self-verify the relevant content. The biggest difference between wireless mouse and Wired Gaming Mouse is that there is no connection line, after all, wireless mouse has no connection line tripping, relatively seems to be practical and convenient. Wireless mouse is no longer bound by wires, in the way of wireless communication, let us play games more quickly. The wireless mouse can be set up so that the mouse can be directly connected to the computer's host computer and then used, most of which use Bluetooth technology. Today, wireless mice are being designed and developed in such a way that they don't suddenly disconnect or run out of battery due to poor usage.
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