Wu Yulin: Can lighting theory make LED out of the woods?

[Source: LED Engineering's "LED Research Review," 2013 November issue (total of 47) text / Wu Yulin] an entrepreneur told me that this year's orders in Japan only two years before 1/3. After sending people to the Japanese research market, the Japanese government asked for a large number of LED bulbs after the Japanese nuclear accident. Therefore, the demand for LED lighting has risen rapidly, but since the LED products have a long life, after a replacement, it will not be short. Replacement, resulting in reduced market demand.

Two years ago, a well-known company used intelligent technology to apply various color changes of LEDs to crystal lamp products, indicating that it would open 2,000 stores within two years, and the output value should be hundreds of billions. At that time, LED lighting technology was just beginning, people's understanding of LED products was not enough, and it has not been promoted to indoor intelligent lighting. He began to invest in confidence with confidence, resulting in heavy investment losses in two years.

From these two cases, the two major mistakes encountered in the development of LED lighting are:

Myth 1: The demand for LED products is very large, more than the traditional lighting market share.

LED is undoubtedly the trend of lighting development. It is currently at the peak of replacing traditional lighting. However, the current overcapacity of chip packaging in the upper and middle reaches, the inability to open downstream applications and the long life of LEDs have led to limited market share. The penetration rate is only 7%.

It is then analyzed from the data of a group of incandescent and LED lights.

Taking the life time of incandescent lamps and LED lamps, according to the industry average data, the average life of incandescent lamps is 1000 hours, and the LED lamps are 30,000 hours. The two light sources are used in commercial (average 12 hours) and household (average 3 hours). ) Product replacement cycle time.

It can be seen that in the household situation, it takes 27 years for the LED to be replaced once, the incandescent lamp only needs 0.9 years, and the LED replacement period is 30 times that of the incandescent lamp, indicating that the incandescent lamp is replaced 30 times, and the LED lamp is replaced once. In the commercial case, the LED needs to be replaced once every 7 years, the incandescent lamp is 0.2 years, and the life cycle LED is 35 times that of the incandescent lamp.

This data shows that the actual replacement cycle of LEDs is much longer than that of traditional lighting. With the technical improvement and stability of LEDs, the replacement frequency is lower and more durable. Therefore, in terms of replacing the market share of traditional lighting, comparing the two to cakes, LED cakes are actually much smaller than traditional lighting cakes. In addition to the number of merchants grabbing cakes, in addition to the manufacturers of the traditional lighting industry, there are other companies in the field have also entered the LED lighting, the competition is fierce, and the market share is shrinking.

Myth 2: As long as the intelligent product is a good product, the market can accept it.

Intelligent lighting is the use of computer, wireless and other adjustable and controllable technology to achieve and convert various lighting applications according to user needs, to bring more user-friendly lighting.

Due to the characteristics of LED, it can better reflect the value of intelligence and meet the needs of the human body.

However, according to the user's survey, in addition to a small number of professional users, when consumers buy lamps and set lighting modes, most of them rely on personal subjective feelings, such as the appearance of the lamps, color, size, "almost" lighting effects.

Good intelligent lighting products should be measured by instruments to measure the light factor required for human health, quantify and form scientific indicators according to the light required for different influences, and finally guide consumers how to set up through intelligent controllers. Healthy lighting and lighting patterns for your needs. At present, international research has confirmed that lighting can improve sleep quality, anti-cancer, and mediate hormonal systems. According to this quantified intelligent control lighting, it can really stimulate the potential demand of the market and benefit health. This is a good intelligent lighting product.

In the face of the two major misunderstandings of the shrinking LED market and the unscientific use of lamps by consumers, how to solve and break through? Lighting design theory is an effective way to break through.

In 2008, Philips proposed AmbiScene, which aims to guide the design of specific lighting to meet the lighting needs of more applications in order to meet the lighting needs of different buildings and places.

In fact, the object directly affected by lighting is people, and lighting and lighting have close links and influences. According to scientific research, the light has a close relationship with the human body's hormonal system, visual and non-visual aspects, affecting the healthy growth of the human body's pulse, heartbeat, body temperature, psychology and hormones. Studies have shown that the body's mechanism changes dynamically at different ages, time periods and seasons. Lights can have different physiological and psychological effects on the human body, such as regulating the hormonal system. Therefore, in 2009, Caseio proposed the "SENTINAIRE" theory, which is people-oriented, uses and adjusts different colorful lighting modes, and exerts health effects on the human body and psychology through other non-visual, visual and other sensory channels.

Under the guidance of lighting theory, from the application of single lighting function to the development of colorful lighting mode, slowly expanding to intelligent overall lighting applications, and finally to intelligent health lighting applications, in fact, health is the largest market in the present and future. The lighting demand of a person's life is actually the demand of healthy lighting. The scope of application and the period of use are extremely long, starting from different time periods every day and night, to every seasonal lighting demand, and then to the life of the person. Less than four ages are decades or even longer. It can be seen that the lighting theory has made the lighting industry greatly break through the limitations of market share; through lighting theory, more manufacturers, merchants, consumers, designers, distributors and markets have a deeper understanding of LED lighting, and at the same time, through quantitative data, Scientifically choose the healthy lighting that suits your needs.

Lighting theory solves the current lighting development confusion, and in the future, it will bring a healthy light to the industry!

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