Chongqing large shopping malls switch to the world's advanced high-frequency energy-saving lamps
One of the most advanced high-frequency energy-saving lamps in the world is beginning to enter the large-scale stores in Chongqing. According to preliminary calculations, after switching to energy-saving lamps, a community supermarket can save electricity costs of 90,000 yuan a year.
Ma Dingping, senior engineer of the Municipal Energy Conservation Technology Service Center, told the reporter that the space for energy conservation and emission reduction in Chongqing shopping malls is not small. Through the sampling survey of the energy consumption of public buildings in the city, due to the difference in management, the energy consumption gap between shopping malls is large, and the difference is reached. 1.3 to 2 times, except for holidays, 9:00 to 10:00 every day, 21:00 to 22:00, shopping malls can reduce energy consumption by adjusting lighting and elevator operation frequency. The fastest way to save energy is to switch to energy-saving lamps. .
At present, more than 60 new century supermarket chains in the city are fully switching to one of the world's most advanced high-frequency energy-saving lamps. This high-frequency energy-saving lamp emits a brightness equal to the brightness of a 10-inch incandescent lamp. After the transformation will be completed. According to preliminary estimates, a new century supermarket needs to use 900 such energy-saving lamps. Each energy-saving lamp can save 100 yuan in electricity costs a year. After one year, more than 60 new-century supermarkets in the city can save electricity costs of 5.5 million yuan. According to reports, this is the first time that energy-saving lamps have been used on a large scale in Chongqing.
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According to the different backlight sources, LCDs can be divided into two types: CCFL displays and LED displays.
Misunderstanding:
Many users believe that liquid crystal displays can be divided into LEDs and LCDs. To some extent, this understanding is misguided by advertisements.
The LED display on the market is not a true LED display. To be precise, it is an LED-backlit Liquid Crystal Display. The liquid crystal panel is still a traditional LCD display. In a sense, this is somewhat fraudulent. nature! South Korea`s Samsung was once convicted by the British Advertising Association as violating the country`s advertising laws because its [LEDTV" LCD TVs were suspected of misleading consumers. For liquid crystal displays, the most important key is its LCD panel and backlight type, while the LCD panels of displays on the market generally use TFT panels, which are the same. The difference between LEDs and LCDs is only their backlight types: LED The backlight and CCFL backlight (that is, fluorescent lamps) are diodes and cold cathode lamps, respectively.
LCD is the acronym for Liquid Crystal Display, which means "liquid crystal display", that is, liquid crystal display. The LED display refers to a type of liquid crystal display (LCD), that is, a liquid crystal display (LCD) with LED (light emitting diode) as the backlight source. It can be seen that LCD includes LEDs. Corresponding to the LED display is actually a CCFL display.
(1) CCFL
Refers to a liquid crystal display (LCD) with CCFL (cold cathode fluorescent lamp) as the backlight source.
The advantage of CCFL display is good color performance, but the disadvantage is higher power consumption.
(2) LED
Refers to a liquid crystal display (LCD) that uses LEDs (light emitting diodes) as a backlight source, and generally refers to WLEDs (white light LEDs).
The advantages of LED displays are small size and low power consumption. Therefore, using LEDs as a backlight source can achieve high brightness while taking into account lightness and thinness. The main disadvantage is that the color performance is worse than that of CCFL monitors, so most professional graphics LCDs still use traditional CCFL as the backlight source.
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