Experts teach you how to use cell phone camera function selection

Chongqing daily news yesterday (6) days, the city was invited by the Municipal Quality Supervision Bureau, the Municipal Bureau of Quality Supervision Bureau came to visit the Lv Changfu. As the first person to fight the country's science and technology Lv Changfu scene to teach visitors to use their own mobile phones, identify the pros and cons of the light bulb, and the current online crazy pass LED light blue pollution problems were answered.

6 at 9:30 in the morning, 15 people walked into the Lv Changfu fake studio. As a well-known science and technology to fake people Lv Changfu, in addition to the scale of cheating and other issues to the 15 visitors conducted a live commentary, but also spend a lot of time, on the pros and cons of various types of bulbs and the choice of a demonstration to explain. "Incandescent lamp, energy saving lamp, LED lamp three kinds of bulbs, from environmental protection and energy saving and eye protection, life expectancy, LED lamp optimization. "Lv Changfu got three lamp power told the visitors that the service life of the LED lamp is generally about 100 times of incandescent lamp, energy-saving lamps and LED lamps not like mercury, will not cause pollution to the natural environment, but also more eye.

Lv Changfu also introduced the use of a mobile phone camera to identify the advantages and disadvantages of light bulbs tips, and a demonstration. The reporter saw, Lv Changfu opened the mobile phone camera function, three for testing the bulb through the mobile phone screen, showing a different state: incandescent lamp in the screen display flashes clearly and frequently, the energy-saving lamp and LED lamp, basically No. The advantages and disadvantages of the use of light bulbs, the phone will also show flicker frequency. "Lv Changfu, light flashing, will cause damage to the eyes, so people in the selection of lamps, may wish to use a mobile phone camera, check whether the lamp flashes frequently, in order to ensure eye health. For now popular eye protection is not flash LCD TV, the public can also use this method to see whether it is really 'do not flash'. "

In view of the current hot debate on the issue of LED blue light pollution, Lv Changfu said, the public need not talk about the blue light, because blue light to reach a certain degree of damage to the human body. People in the purchase of LED lamps, be sure to carefully look at the LED lamp packaging above an important parameter: the number of watts of a single diode, preferably not more than 1 watts. Finally, Lv Changfu suggested that the public to buy LED lamps, it is best to buy a lamp with a front shade, and preferably frosted, to avoid direct LED lights, so you do not have to worry about the blue light pollution of LED lights.

For more information about LED, please click on China LED network or pay attention to WeChat public account (cnledw2013).