IKEA will sell LED light prospects but many misunderstandings

Recently, micro-blog released the official IKEA advertising said LED lamp has many advantages, in 2016, IKEA will sell only LED bulbs! Features LED lamp with high efficiency and environmental protection, with the increasing maturity of LED technology, LED lighting market is more and more open. But often appear LED lighting products failed to detect such news, but vaguely revealed the development of LED lamps encountered numerous mistakes.

It is understood that from the beginning of September 2009, IKEA gradually eliminated all the traditional incandescent bulbs, and strive to develop a LED based, affordable lighting products. Recently, micro-blog released the official IKEA advertising: # man and the earth is energy # LED lamp has what advantage? The service life of 20 years; it is more economical than traditional energy-saving lighting; 85%, providing uniform white light warm; the immediate light does not contain mercury; 5 6 Recyclable. By 2016, IKEA will only sell LED bulbs, March 4th -4 28, IKEA sold every one LED bulbs, IKEA Foundation to the United Nations refugee agency donated a euro, to provide private lighting equipment.

At present, the LED industry has entered a period of deep integration, the domestic LED lighting market with the relevant government support policy formally launched, as well as LED technology matures, the next three years, LED lighting industry output will usher in the explosive growth. Insiders said that the current market price of LED lighting is higher than the energy saving lamp 0-15%, life expectancy in general 20 thousand ~3 wan. With the progress of technology and business innovation, LED lighting prices will continue to decline, the price will gradually close to the traditional lighting products. Since the LED lamp has the characteristics of high efficiency, energy saving, environmental protection, consumer acceptance is getting higher and higher, LED lighting industry prospects.

Can not be ignored is that the LED industry in recent years has been rapid growth, but due to lack of standard LED technology is not yet mature, overcapacity, vicious competition, enterprises and other reasons, the message appeared to detect many LED lighting products unqualified. The unqualified project is related to the chromaticity tolerance, disturbance voltage, lamp power, heat resistance, interchangeability, power factor, fire prevention and fire prevention and so on many aspects. The price of LED product market has all the way down, cause a fatal impact on many businesses.

Therefore, the author believes that IKEA will only sell LED lamps, can be described as challenges and opportunities coexist, LED lighting market outlook is optimistic, but mistakes. So, consumers in the purchase of specific links in the end need to pay attention to what minefield?.

Inventory: LED lamps purchase misunderstanding

Misunderstanding, the actual life expectancy is too high.

LED manufacturers expect LED life to reach 100000 hours MTBF (mean time to failure, the standard for measuring the life of the light source used by traditional lighting manufacturers). However, as with all basic light sources, LED's luminous flux is attenuated over time. Therefore, although the LED luminescence time can be very long, MTBF is not the only consideration to determine the service life. LED lumen attenuation is affected by many environmental conditions such as ambient temperature, humidity and ventilation. Lumen attenuation is also affected by control, thermal management, current levels and many other electrical design considerations.

Many clerks for some reason in the marketing of LED may provide some fuzzy information, misleading, for example, the service life of the LED in 100 thousand hours, 100 thousand hours here refers to the expected service life of LED manufacturers. But as the lighting of the light source, the brightness of the lamp has a gradual decay in the darkening process (such as fluorescent lamps, energy-saving lamps, this process is referred to as light). Therefore, consumers should pay attention to in the purchase of LED when it is light speed, instead of using time, consumers do not expect too much on the actual service life.

Error two, the actual luminous angle as an effective angle.

The luminous angle of LED is divided into effective angle and actual luminous angle. The angle between the direction of the luminous intensity value and the axial direction of the luminous intensity is the effective angle. Half of the value of the angle of 2 times (or half power angle) is the actual light angle. In the axial strength of half of the point of view because the light is too weak in the actual application is not included in the effective angle.

Therefore, consumers should pay attention to the actual lighting of the product in the purchase of the product, the number of products used in the calculation of the project, the actual lighting angle, effective lighting angle can only be used as a reference value.

Error three, the greater the power, the higher the brightness.

The brightness of the LED used to measure the luminous intensity, luminous intensity is fingering (of cylindrical luminous tube line refers to its axis) direction of the luminous intensity, luminous flux per unit solid angle emitted, the candle unit (Candela, CD). Because of the general LED luminous intensity is small, so the luminous intensity commonly used Candela (MCD) as a unit. In general, the light source will be emitted in different directions with different intensity of its luminous flux, in the specific direction of the unit of solid angle emitted by the visible light radiation intensity known as the light intensity, referred to as axial brightness.

How much power is introduced from the concept of force acting in the same time in the current work, the electric power is large; current work is slow, the electrical power is small, or in equal time, more power current, electric power is greater, in the LED, and not the greater the power, the product the higher brightness. The imagey electronics three red LED lamp as an example, the axial brightness is 1200mcd, the current is 40mA, power is 0.48W; three LED in white light under the same brightness, the current is 18ma, power is only 0.24W; we can see the two kinds of light in equal brightness under different power