Expert: inferior LED lamp with blue light hazards carefully selected qualified lamps

June 6th is the nineteenth national day, light environmental safety once again sparked concern: one is the China youth myopia rate rose sharply; on the other hand, even Home Furnishing lighting lighting outdoor lighting of the adult eye health hazards. Lighting is not as bright as possible? What kind of light environment is beneficial to eye health? Experts pointed out that parents, teachers and light source manufacturers, have the responsibility to popularize the knowledge of scientific consumption of light sources, should be used to help students and the health of the lighting without radiation, no stroboscopic energy-saving lamps.

Users in the purchase of LED indoor lights, you can not just look at the power of the lamp, because the LED lamp is not as bright as possible.

LED price is difficult to choose the price of Mo to buy less than 20 yuan 5W bulb

It is reported that, when consumers buy LED indoor lamp in the lighting market, often see a puzzling phenomenon: a well-known brand 4W LED bulb price 40 yuan, and some unknown brand 5W LED bulb is sold only 20 yuan a. The two ball bubble lamp, in the end which should choose the ball bubble lamp? Many consumers told reporters that they are more likely to choose a more bright LED bulb.

It is understood that, because the higher the temperature, the higher the light efficiency, LED indoor lights look brighter. However, in the actual use of the process, the low color temperature looks more comfortable, the corresponding cost is high. To the sun, for example, the morning and evening sun, color temperature between 3000K~3500K, looks relatively soft, noon, the sun's color temperature rose to 4000K to 4500K, has been more dazzling. The incandescent lamp and fluorescent lamp color temperature has reached 6200K up and down.

The reporter understands, domestic manufacturers to produce regular bulbs will be marked on the packaging color, commonly used color temperature is 2700k, namely ordinary incandescent bulbs, which is characterized by feeling warm light, but not bright, for the bedroom bed, wall lamp and other local lighting; 3000K is the most close to natural light color, is a warm light that light is warm and bright, suitable for the overall home lighting design; more than 5000K is white, is a cold light, can make people concentrate, suitable for office and study places.

Experts say: at present, in the lighting market, general household indoor LED lamp power is between 3W~7W, about 5W bulb market sales prices generally at 50 yuan, if less than 20 yuan, so the quality of LED indoor lamp will certainly exist, not only can not play a protection force, and the light source the life will be shortened. In addition, consumers in the purchase of LED indoor lights, you can not just look at the power of the lamp, because the LED lamp is not as bright as possible.

Poor quality LED lamp with blue light hazard Mo cheap, buy big brand

From incandescent lamp to energy-saving lamp to LED lamp. In recent years, the society has paid more attention to energy-saving lamps and lanterns than ever before. In this regard, a number of medical professionals and experts have pointed out that the electric light source, there are a lot of serious blue light overflow LED lamps and lanterns, over a long period of time will make the retina of the human eye is irreversible damage.

LED lamps and lanterns really can have the damage to the vision? Zhang Shanduan, deputy director of the Institute of electric light sources, Fudan University, told reporters: "the principle of white light LED is the blue chip LED to stimulate the formation of yellow phosphor after the formation of white light. Blue light hazard refers to the light source of 400 ~ 500 nm blue light band if the brightness is too high, the eyes for a long time to see the light source may cause retinal photochemical damage. The degree of blue light damage depends on the amount of blue light absorbed by the human eye under the light. "

"If the purchase is qualified and used properly, LED lamps are not more dangerous than conventional lamps. The industry pointed out that at present, the domestic LED lighting production enterprise has more than 3000 national standards, "China Light" biological safety of lamps and lamp systems, make the calculation method of blue light hazard and quantization is clearly defined, and pointed out that the LED lighting products compared with other light sources and there is no difference, which belongs to the exposure limit of safety within the prescribed scope.

Experts say: Department of electrical engineering, Zhejiang University, Professor Mu said that the international standards have been developed in accordance with the blue light of the Blu ray bio safety standards, and set the possibility of blue light hazard value. For example, will not harm the blue light products called "zero products"; will have small blue eyes harm, not for a long time to open source products called "products"; there will be large light blue light hazard is called "the two categories of products". LED lighting is currently used as the basic zero class and a class, if it is the two category was forced to play the eyes can not stare at". Therefore, in the purchase of LED lamps, do not covet cheap, try to buy large brands of products.

Eye lamp quality uneven purchase to identify 3C logo

Table lamp is an essential tool for adults and children to study and work. In order to prevent myopia, for children to choose a good eye protection lamp, a lot of parents to consider the issue. This reporter has learned that the current market eye lamp products dazzling, many products are advertised as "no stroboscopic", or high-tech LED lights, and the price is much higher than ordinary lamps. After all these lights can protect the child's eyes?

See table area reporter visited Guangzhou City Carrefour, trust mart and other supermarkets, lamp products display, half are children's special eye". The price of these products is uneven, the same table lamp, with eye protection and other words of the lamp, relatively speaking, a few hundred dollars more expensive than ordinary lamps.