At present, LEDs have been applied to the interior and exterior of automobiles, especially in automotive interior lighting. The application of color LEDs is very mature, for example, for instrument panels, backlight switches, car reading lights or head-up display systems, or in the car. With the Color-on-Demand feature, automakers can differentiate themselves from other competitors by using their own unique color, or use colors to differentiate between different series.
The history of LED car lights
The development of LED automotive lights is directly related to the development of LED light sources. The phenomenon of semiconductor electroluminescence was discovered in 1907. Due to the weak light, mass production is difficult and progress is slow. In 1968, Monsanto Company of the United States launched a red LED with a GaAsp/GaAs structure with a light intensity exceeding 20mcd, which was used as a breakthrough point and greatly accelerated the development of LED. Then, red, yellow and green LEDs with a light intensity of 1000mcd were successively developed, and preliminary applications were obtained on the signal indications of instruments and telecommunications, forming an early application of LEDs, but due to its light intensity, light attenuation and other performance indicators. The problem has not been widely used in automotive lighting. Until 1990, HP and Toshiba of the United States introduced red and yellow high-brightness LEDs with an InGaAlP/GaAs structure with a light intensity of more than 1000mcd and 1993, Japan’s Nichia Corporation invented InGaN/Al2O3 blue and green high-brightness LEDs. And mass production paves the way for LED lighting of automotive light sources.
In 1985, LED car lights first appeared on passenger cars. In 1986, the use of LED high-position brake lights on Nissan 300zx cars marked the beginning of the era of LED car lamps. Internationally renowned automobile brands such as BMW, Cadillac, Buick, Volkswagen, Ford, Mercedes-Benz, Toyota, Mitsubishi, Mazda and Skoda have successively launched LED automotive lamps.
LED car lights are growing at a double-digit rate every year. In 2005, the output value reached 546 million US dollars, accounting for 14% of the world's LED applications. China first used LED high-position brake lights on the Shanghai Volkswagen Santana 2000 in 2000. China's LED car lamps are growing at an annual rate of 70%-80%, and the output value in 2006 exceeded 100 million yuan.
Seven advantages of LED lights
LEDs have significant advantages over incandescent lamps. First, the long life, usually up to tens of thousands or even 100,000 hours. Some people think that if the future car lighting uses LED, the entire car life is not required to replace the lamp; Second, it is very energy-saving, at least half of the energy saving of incandescent lamps of the same brightness; Third, the light quality is high, basically no radiation, belonging to "green" "Light source; Fourth, the LED structure is simple, the internal support structure, surrounded by transparent epoxy resin seal, good seismic performance; five, no need for hot start time, fast response speed (nanosecond), suitable for fast moving speed The object is used; Sixth, the applicable voltage is between 6-12 volts, which can be applied to the car completely; 7. The LED occupies a small volume, and the designer can change the lamp mode at will, so that the car shape is diversified. Automotive manufacturers favor LEDs, which are entirely determined by the advantages of LEDs themselves.
LED car lights in the future of the automotive industry
Automotive exterior applications are also constantly evolving. Brake lights, taillights, turn signals, reversing lights, high-position brake lights, etc. have already been applied to LEDs. Among them, brake lights, tail lights and high-position brake lights are widely used. As a vehicle headlamp illumination, due to the need for high-power LEDs, it is subject to technology and LED cost-effectiveness, especially in the fields of optics, electronic control, and thermal management. It takes three to five years for the industry to become popular. It is also only available on some luxury high-end models.
In addition to the taillights and high-position brake lights that are commonly used in the current application, LEDs will be applied on a large scale in future turning lights and reversing lights. In 2010, the market size of domestic LED automotive lamps may exceed 1 billion yuan, and an annual output value of 3 billion yuan may be formed within 5 years. According to iSuppli's "2010 LED Special Report" released in 2009, it is estimated that by 2013, about 95% of new cars in the world will use LEDs in one or more taillights.
At present, the sales of LED automotive lighting application market is about 10% annual growth rate, but the proportion of domestic LED automotive lamps is not high. The models with relatively large LED usage are concentrated in the mid-to-high-end auto companies, and these auto companies generally have restrictions on the LED brand, and domestic LED companies are more difficult to enter their supply chain. In addition, compared with international famous brands, domestic LEDs may have more problems in terms of life and uniformity of sorting. At the same time, the market regulation of auto lamps itself is strict, the threshold is relatively high, and automobiles are sold as luxury consumer goods. For one-to-one customers, any quality problems will cause complaints. Domestic LEDs have no chance to go through this market for a long time, and it is difficult to meet the LED standards for vehicles. Automobile lamps are very professional fields. It is necessary to do LED car lamps. Whether it is car lighting companies or LED enterprises, it is very difficult to go it alone. It is necessary for car lighting companies to fully communicate with LED companies, especially in front of LED cars. Development of the light.
According to statistics, at present, there are 20 million households with purchasing capacity in China. China is likely to become the world's third largest auto market, accounting for 6% of the global market, second only to the United States and Japan. By 2025, the size of China's auto market will reach the size of the current US auto market. China has become the fastest growing region for car sales in the world today. According to the statistics of the China Association of Automobile Manufacturers, the sales of domestic lights in 2009 reached more than 15 billion yuan, of which the proportion of LED lights in the market has increased year by year. Take Shanghai Xiaohao Lights Co., for example, in 2009, LED lights accounted for all cars. 11.7% of the sales of lamps, it is estimated that the proportion of LED lamp sales in the 2011 LED lamp will reach more than 15%, and by 2015 LED lamp sales will account for more than 30% of the total sales of lamps.
At present, there is still a big difference between the price of LED lamps and traditional lamps. For example, a medium-to-high-end car, incandescent lamp combination lamp is 120 yuan/set, and LED combination lamp needs 210 yuan/set. Therefore, the LED price has dropped drastically, the luminous efficiency has been continuously improved and the heat dissipation technology has been improved. This is the main focus of the development of LED automotive lamps in the future. Although there are still some problems to be solved, the advantages of LED volume, such as vibration resistance, energy saving and long life, give designers a broader design space, which are the elements to increase the application of LEDs in and out of the car. With the continuous improvement of product technology and the continuous expansion of product categories, the future of automobiles will develop in the direction of safety and intelligence.
Led Grow Lights function by sending an electric current through a semiconductor material.This in turn excites the electrons that create a powerful light from a very small bulb.By using different materials for the semiconductor, it is possible to create LED diodes with different wavelengths of light. This makes them capable of giving your indoor plants exactly what they need for each stage of growth. How those are used will be covered further down.
Full Spectrum Grow Lights 600W/900W/1200W/1500W/1800W/2000W Double Chips LED Grow Lights Indoor Plants lamp for flowering and growing.
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Upgraded Epistar chips,High Lumen,High penetration.
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Our professional Full Spectrum Grow Light are suitable for all the indoor plants and good for seeding, growth,flowering and fruiting stages of plants, increasing the harvest and Saving energy.
Cautions:
1.Do not use the lights in dripping water or anywhere where they will get wet, water and electricity can be a dangerous mixture
2. The working environment for the light is -20~40 degree celsius,45%RH~90%RH.
3. To protect the light, Plz cut off the power when there is a lightning strike.
4. Don`t touch or move when the light working.
Suggestions:
1.Clean the dust inside every 6 months to ensure the good heat dissipation and long life time.
2.Don`t keep too short distance to the plant canopy to avert leaves bleaching.
3. Highly hang the lamp will weaken the energy and affect the growth cycle of the plants, so the lamp should not be hang too high.
4. While taking care of the plants, please spray the leaves and branches 2-3 times everyday, to ensure the plants do not wrinkle a wither, and have no phenomenon of few fruit, and hard pericarp
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Sample will be delivered within 7 working days.
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Delivery ways:DHL,UPS,FedEx,TNT, door to door,by sea,by air,etc.
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Warmly welcome to take a visit on our factory at any time and Philizon Fulll Spectrum Grow Lights are perfect for green house applications.
Full Spectrum Grow Light
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