Three innovation driven technology to accelerate LED lighting into the mass market

Days ago, MarvELl Green Technology Product Lance Marketing Director Mr. Zheng designed to share his development trend for the next few years, LED lighting market and the innovation direction of view

Development trend of LED lighting market

At present, the Marvell LED lighting market is divided into two parts of the interior lighting and commercial lighting. Lance on the LED indoor lighting market trends put forward 3 points: first of all, thanks to the continuous decline in the price of LED lamps, 2014-2015 LED lighting will enter the explosive growth phase. Secondly, the entire market will be transferred from non dimming light. Finally, the wireless adjustable light LED lights appear.

2012 LED lamp costs continue to drop. In the U.S. market, the mainstream of 60W dimmable LED light bulb prices have been reduced from $40/ in 2011 to only $20/, in 2013 will be reduced to only $10/, and in 2015 is expected to reach only the replacement price of $5/. So 2013 will be a key year for the market, and the entire indoor lighting market will enter the explosive growth phase in 2014-2015. "Lance representation.

He also pointed out that the difference between the cost of non dimming light bulbs and light bulbs is becoming smaller and smaller, the main difference is that the cost of driving. For example, the cost difference between the dimming and dimming of the Marvell driver program is only 20%, so this has driven the LED lighting market to shift dimming. In the United States, all the mainstream retail channels have turned to dimming program, last year, PHILPS launched the smart lighting system Hue, although the price is very high, but the market is very good reflection. Intelligent lighting system will be further developed in 2013. "

As for the development trend of LED commercial lighting market Lance pointed out: first, accelerate the popularity in the industry, such as the use of LED lights, shopping malls, hotel and retail, outdoor installations are increasing, "for example, such as LED lighting has full use of the WAL-MART supermarket, the use of the latest Cree LED lighting the commercial return cycle has been shortened to 1 years. "

Second, based on DALI (digital addressable dimming interface) standard dimming has begun to spread in commercial lighting. DALI originated in Europe 10 years ago, is now gaining popularity and accelerating growth in the field of LED has a firm foothold, and transferred from Europe to asia. It is aimed at LED specific functions, not just dimming, can also be color.

Three "stumbling block to the popular LED lighting"

Although the price of LED bulbs is declining, LED lighting is still expensive for ordinary consumers. The cost is high, and the driving circuit of LED is large, has become the first stop of LED lighting to the public".

As shown in Figure 1, the cost of replacing a dimmable A19 60W bulb with a LED bulb is currently around $7-8. Which LED light source and drive the cost of the entire LED bulb cost of the first and second. The good news is that last year, the price of LED light source has dropped a lot, but because of the previous LED driver circuit technology has not been a lot of innovation, so the cost of LED bulbs has been high.

Figure 1:LED light source and drive cost accounting for the cost of the entire LED bulb first and second

The size of the LED drive circuit is also a problem. Japan is one of the countries with the largest consumption of LED lighting, the most popular bulb E-17 volume is very small. There is a very hot GU10 bulb in Europe, the same size is very small. Confined to the limited space and the requirements of LED heat dissipation, it is very difficult to put the LED drive circuit into E-17 or GU10 such a small bulb.

Compatibility of LED lighting to the public second "stumbling block" is the existing lighting structure. The most important thing is the SCR dimmer (dimmer). There is no uniform standard for the working principles of various types of dimmer in the market. Therefore, when the LED drive electronics into the LED bulb, it is difficult to compatible with a variety of dimmer.

"We know that SCR dimming is a very old technology, it is mainly used for incandescent lamps. The general consumer to buy, do not know how to match the dimmer switch. So, when you replace the incandescent bulb with a LED bulb, the performance will be affected. For example, when you install a LED light bulb, you will find that the minimum is not so low, it may also flicker, even worse when the light source is the lowest when you can not start again. This brings great inconvenience to the use of consumers. Lance further pointed out.

LED lighting to the public third "stumbling block" is the willingness of consumers. Said LED can save energy, save electricity, but only the introduction of different products, in order to stimulate consumer desire to buy. "Consumer expectations are high. After all, the price of an incandescent lamp is less than 50 cents, while the LED bulb is $10, so the consumer's expectations for added value are high, just as Apple's iPhone was when it was launched. The Marvell driver is not only able to adjust the light, but also to color, if this additional value to consumers, they will be able to feel the value of the Lance.

The key to the popularization of LED lighting lies in the innovation of LED driving technology

In the face of the LED lighting in the process of popularization of many challenges, what is it?

"We believe that LED drives the most important role in the business process of LED lighting. There are three reasons: first, LED drive technology is to ensure that the existing lighting system and a key technology; second, the cost of LED lighting is also very important (LED)