In business talks, all are profit-seeking as "natural", LED manufacturers are of course "sense-time workers", watching the competition in the industry expand, they have to turn to niche-type applications. Now they are also beginning to realize that the automotive LED field is one of the few blue ocean markets that can be maintained in quantity and price.
As long as there is a place for cars, there is a place for car lighting. We need to know what kind of blue-green market the car LED will be. Let's start with the current situation of the car market. According to the report "Global Automotive Parts Suppliers Research" released by consulting firm Roland Berger recently, the production of global light vehicles is expected to continue to rise in the next two years, but the growth rate will drop sharply. Among them, Europe will maintain a "lower level", Japan will "decline", the North American Free Trade Zone will "moderately grow", and the Chinese market will remain the only major growth driver.
In fact, relevant surveys show that the Chinese auto market in 2015 has slowed from the annual double-digit growth rate to 3%. The global auto market as a whole has a growth rate of only 1.6%. Although the situation in 2016 is not optimistic, it will continue the micro-growth trend in 2015, which is about 4% year-on-year. Both the SUV and the automotive aftermarket will maintain a strong momentum. In addition, between 2014 and 2016, new energy vehicles started an explosive growth period, with a compound annual growth of 42% in 2015-2020. By 2020, the penetration rate of new energy vehicles is expected to reach 4.5%.
On the other hand, foreign media recently reported that the global automotive LED lighting market is expected to reach 7 billion US dollars by 2020, with a compound annual growth rate of over 18%. Looking back at the situation of China's vehicle lamp matching market, it has grown from RMB 17.8 billion in 2010 to RMB 25.5 billion in 2013. In 2015, China's automobile sales reached more than 31 million units. According to this calculation, the corresponding vehicle lamp supporting market will also exceed 35 billion yuan, which makes it possible for the vehicle lamp enterprises to have good room for growth in the future.
By comparing the output value of the automotive lighting LED market in 2015 and 2020, Lu Lijun, an industrial analyst of Jibang Technology, also pointed out that the global LED output value of automotive exterior lighting is estimated to reach US$1.21 billion in 2015, reaching US$2.29 billion by 2020. The annual compound growth rate is 8%. Among them, the headlight module (near-light) LED package has the highest growth rate of output value, and the annual compound growth rate is 11%. The exterior lighting includes directional lights, fog lights, far and near lights and position lights. The growth in the number of high-power applications is higher than the annual price decline, driving the annual compound growth rate of output value to exceed 8%, and the penetration rate is less than 15%. It also reflects the future growth. According to its disclosure, the total number of LEDs for exterior lighting in 2015 reached 2.79 billion, and it is expected that there will be 3.67 billion in 2020. Among them, the number of LED packages of far and near lights and position lights is more than 15%, and the number of LED modules in the headlight module has the highest growth rate, with a compound annual growth rate of 23%.
In terms of the market value of LED lighting for interior lighting, it is estimated to reach US$605 million in 2015 and is expected to fall to a level of US$603 million in 2020. At the same time, due to the fact that most of the LEDs in the car are low-power LEDs, the overall in-vehicle output value will show negative growth in the next five years. The estimated annual growth rate of the interior panel of the car panel is 3%. According to its introduction, the LED low-power LED market will see a rapid decline in the next five years (2015-2020) with the LED low-to-medium-high power consumption. With the gradual shrinking of the output value of low-power chips in LED packaging, high-power chips will show rapid growth, and it is expected that automotive LED applications will actively enter the high-power market in the future.
Although it is estimated that the output value of the LED market for interior lighting will decline in 2020, the LED package of the interior panel will show a contrarian growth. According to statistics, the LED-related application panel will replace the mechanical instrument, and with the increase in the size of the central control panel, it is expected that the compound annual growth rate of the interior panel will be 3%.
It is understood that in the automotive market, halogen lamps are still the most popular source of light because replacement costs are usually low. However, halogen bulbs generate about 2500 degrees of heat, so that headlights with halogen lamps as light sources have some optical design difficulties. HID gas mapping lamps provide a wider horizontal space and better energy efficiency.
Relevant research results show that high-quality high-end LED car headlights can enhance road safety, provide better visibility, reduce energy consumption and carbon dioxide emissions, and improve the appearance of the car, and its service life can be improved. Up to 25,000 hours. However, some people have pointed out that due to cost, technology and regulatory factors, LED as a car headlight is still immature, at least in the next three to five years can not fully replace halogen and xenon lamps. In this regard, the international large-scale technical survey consultancy Technavio recently released the global automotive LED lighting market report that LED lights will gradually strengthen the safety and performance with the continuous development of innovative technology, and is expected to gradually reduce the price, then the automotive LED The sales of lamps will also gradually increase.
In addition, according to Technavio's investigation, the interior lighting that is used to decorate the interior of the car and increase the aesthetics of the interior of the car will become one of the trends of global automotive LED lamps. Manufacturers will also develop various high-end LED decorations accordingly. Lighting. It is reported that the concept of interior lighting in the car was introduced to high-end cars as early as 2007. At present, it has been extended to low-end cars. It is expected that it will become more and more popular in the future. More and more car owners are starting to customize the car. Lighting system. In addition, laser and organic LED lamps are currently the most advanced technology in automotive lighting, but limited to cost issues, and now generally only used in luxury cars.
Admittedly, all kinds of signs show that LED light sources have become more and more popular in recent years. The main reason is that compared with halogen lamps and HID light sources, LED light sources are more durable and lighter, and their design space can be Zoom out. In addition, LED light sources have higher energy efficiency.
According to Lu Lijun, the control strategy of the active headlight ADB is to achieve the change of the light shape through the electronic control of the chip end or the more precise grating control to ensure that the light source can enhance the brightness while still being able to Maintain the safety of driving lighting. At present, the European side has begun to formulate high-brightness light source testing regulations. In response to the future combination of higher brightness light sources, it is expected that relevant regulations will be completed in 2016-2017, and related products will also enter the market and be supplied to high-end vehicles.
The mid-level headlights will have a distributed and diversified design. He said that through the different light-emitting methods of LED packaging, each LED package can be used for its own duties. In addition to reducing the lumen value of the LED package, it can also be reduced. The heat dissipation mechanism is designed, and the appearance recognition degree of the lamp is increased, the design value of the lamp length is improved, and the specification requirements of the LED package are reduced.
The multi-shaped headlights will gradually change from the more regular arrangement in the past to the more varied shapes. As a result, the ability of the lamp mechanism design and light distribution will be tested relatively, which highlights the value of the lamp factory. LED chip factory. In the design of the lamp, the small lens can improve the variability of the overall luminaire, and most of them also match the chip with less core number, but also because the lens area is less, the light use efficiency is lower, and the minimum is even less than 50%.
At the same time, the price/performance ratio of the low-end headlights will be further enhanced. The price of H/L Beam chips has fallen rapidly in the past five years. It is estimated that the price of headlights in the next five years (2016-2020) will have a price cut of more than 40%. Space, and with the gradual increase of LED lumens per year, the improvement of LED luminous efficiency will also reduce the cost of the luminaire module, so that the overall cost performance will increase the price of the lower middle and lower orders. In the design of the lamp, the large lens design changes less, but relatively speaking, the light efficiency is the highest, but can exceed 85%, so it is positioned as the most cost-effective LED headlight design.
Lu Lizhen believes that in the automotive market, LEDs have been introduced into H/L Beam applications in 2004, and LEDs and lamps have evolved over time. From 2016, LED headlamp applications can be carefully divided into three forms. The most standard one-crystal multi-core chips are used in projection lamps to replace traditional halogen lamps or HIDs. Higher-power models with a higher number of lamps will be used, while higher-end models will use more advanced array ADB LEDs.
It can be seen that in recent years, international first-line LED suppliers have gradually reduced their proportion in the backlight and lighting market, and in turn support for automotive and other niche applications (see table below).
The high reliability demand of the car makes the first-line brand still enjoy the advantage of monopoly market. It is expected that with the breakthrough of the quality of the second-line brand LED, there will be a chance to break the market monopoly.
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The Ultrasonic Transducer is a kind of transducer that converts the ultrasonic signal into electric signal, or vice versa. Ultrasound transmitter and receiver is a transducer that can transmit and receive ultrasound. Ultrasound sensor is a kind of sensor, in essence, it is also a transmitter and receiver. The working principle of this kind of equipment is similar to that of radar and sonar. Active ultrasonic sensors can emit and receive reflected waves, and determine the distance of the target by measuring the time interval between transmission and reception. Passive Ultrasonic Sensor is actually a microphone that can convert ultrasonic signal into electrical signal.
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