It is reported that consumers in the market to buy LED indoor lighting lamps, they often see puzzling phenomenon: a well-known brand of 4W LED bulb price of 40 yuan, and some unknown brand of 5W LED Bulb but only sell 20 yuan a. Both bulb inside, in the end the election Which bulb it? Many consumers told reporters that they tend to choose more bright LED bulb.
It is understood that because of the color temperature, the higher luminous efficiency, LED interior lights look more bright. However, in practical use, low color look more comfortable, the corresponding high cost also. Ethernet sun, for example, in the morning and in the evening sunlight, color temperature between 3000K ~ 3500K, softer look, midday sun rises to 4000K color temperature to 4500K, has been more glaring. The incandescent and fluorescent 6200K color temperature has reached bottom.
This reporter learned that the regular domestic manufacturers of light bulbs will be marked on the packaging color temperature, color temperature is commonly 2700k, namely ordinary incandescent color temperature, which is characterized by a warm feeling of light, but not bright, suitable for bedroom nightstand, wall, etc. local lighting; 3000k is closest to the color temperature of natural light, is a warm light, light, warm and bright, the overall lighting design suitable for the home; 5000k These are white, light is cool, people can concentrate, suitable for office, study, and other places to use.
Experts say: Currently, in the lighting market, general household LED interior lamp power between 3W ~ 7W, 5W bulb about market prices generally around $ 50, if less than $ 20, then the LED interior lights Quality is certainly a problem, not only can not play a protective role in vision, but also greatly shorten the life of the light source. In addition, consumers in the purchase of LED interior lights, not only the lamp power, because LED lighting is not the brighter the better.
