What is LED corn light ? Best design for LED lamps
Introduction of LED corn light
led corn lamp is a led lamp, because the maximum led angle of 120 degrees, taking into account the luminous uniform, specially designed into 360 degrees light, its shape as corn cob, especially called led corn lamp.
LED corn lamp
LED is known as the fourth generation of lighting or green light source, with energy saving, environmental protection, long life, small size and other characteristics, can be widely used in a variety of instructions, display, decoration, backlight, general lighting and urban night and other fields. Some of the world's economically developed countries around the development of LED launched a fierce technical competition. The United States from 2000 to invest 500 million US dollars to implement the "National Semiconductor Lighting Program", the EU also announced in July 2000 launched a similar "Rainbow Plan." China's Ministry of Science and Technology in the "863" plan with the support of the first time in June 2003 proposed the development of semiconductor lighting program. Over the years, LED lighting with its energy saving, environmental protection advantages, has been the national and all levels of government attention, around the introduction of relevant policies and initiatives to speed up the development of LED lamps; mass consumers of this new environmentally friendly lighting products have been eager Long. However, due to the high cost of technology and promotion, making thousands of consumers eager to wait for LED lighting products has been elusive, the delay has not opened its mysterious aristocratic veil!
With some domestic manufacturers of technology and production costs, LED lighting applause is not the situation will change. Cheap LED lighting products, will give China's lighting industry to bring a revolutionary impact on the vast number of consumers bring the gospel of light! 
Feature of LED corn light
(E27 lamp holder, E22 lamp holder), easy to install; style trendy, sophisticated technology, product serialization, give full play to the energy saving led light source, does not produce any waste.
Advantages of LED corn light
High energy: energy-saving energy pollution is environmentally friendly. DC drive, ultra-low power (single tube 0.03-0.06 watts) electro-optical power conversion close to 100%, the same lighting than the traditional light source more than 80% energy saving.
Long life: LED light source Some people call it a longevity lamp, meaning never turn off the lights. Solid cold light source, epoxy resin package, the lamp body is not loose part, there is no filament light burning, heat deposition, light failure and other shortcomings, the service life of up to 60,000 to 100,000 hours, 10 times longer than the traditional light source life the above.
Change the color: LED light source with red, green and blue three primary colors principle, under the control of computer technology to make three colors with 256 gray and arbitrary mixing, can produce 256 × 256 × 256 = 16777216 kinds of colors, the formation of different light color The combination of changing, to achieve a variety of dynamic changes in the effect and a variety of images, you can also choose a variety of colors instead of ordinary tungsten bulb, higher brightness.
Environmental protection: environmental benefits better, no ultraviolet and infrared spectrum, neither heat nor radiation, glare small, and waste can be recycled, no pollution does not contain mercury elements, cold light source, you can safely touch, are typical green Lighting source.
High-tech tip: compared with the traditional light monotonous luminous effect, LED light source is low-voltage microelectronics products, the successful integration of computer technology, network communications technology, image processing technology, embedded control technology, it is also digital information products, Semiconductor optoelectronic devices "high-tech tip" technology, with online programming, unlimited upgrades, flexible features.
Disadvantages: led lamps despite a lot of advantages, but still in a very passive situation, too high price constraints of its wide range, which makes it difficult to enter the homes of ordinary people, followed by lighting is also a major problem, So let the popularity of led lamps to reduce costs and solve the heat of the lamp is now more critical issues. 
Insufficient of LED corn light
LED to efficient energy-saving environmental protection is well known, but the LED itself is still some problems, LED lamp corn lamp is no exception.
Industry for heat dissipation can be heat conduction (heat conductivity) and heat (Heat dissipation) both sides have been discussed. For the industry in the LED cooling too much emphasis on the front side of the practice of supporting the thermal conductivity layer, the crown of the company's vice president of research and development, Dr. Ye Shengwei, proposed a very different from the industry's general approach to the fundamental solution. Dr. Yip pointed out that if the following thermal resistance formula Rtotal = Rl-s + Rs + Rs-a is introduced, the total LED thermal resistance is the thermal resistance (Rl-s) between the LED and the Substrate substrate, plus the substrate thermal resistance Rs) plus the sum of the substrate-to-air-side thermal resistance (Rs-a).
The industry's preferred MCPCB heat-dissipating aluminum substrate consists of a bottom aluminum block with an upper copper foil group and an intermediate Adhesive Adhesive. How to better solve the heat problem, this is worthy of study.
In order to better solve the heat problem, developed a full aluminum lamp body of corn lamp. The use of aluminum for the lamp body, with aluminum plate. Can be a good solution to heat problems, thereby increasing lamp life
Applicable scope of LED corn light
LED corn lamp for all home, hotels, schools, hospitals, factories, high ceiling and other indoor lighting.
Other issues of LED corn light
Choose the method of LED corn lamp
LED corn light source
LED light source (also known as LED lamp beads) have domestic lamp beads and imported light beads (including the US chip, the Japanese chip, the German chip, etc.), but China's Taiwan lamp beads is the best cost-effective. Ask the manufacturers when the lamp beads must be clear when, because the beads are different, the price gap is great. Imported LED lamp beads price is more expensive, in the production of customers are generally required to specify the requirements, the customer did not require the general use of Taiwan's lamp beads, good value for money. But there are bad business manufacturers in order to profit will use garbage lamp beads to cheat customers that are imported beads and so on
LED light bulb light lit light color is consistent
At present there are many small enterprises in the domestic packaging factory because there is no color resolution. Will illuminate the light according to the color is not the same, so it is difficult to guarantee the quality.
LED corn lamp production process
Under normal circumstances is the use of automatic machine processing, exquisite workmanship, looks good, if the work is not good to explain their own work, also proved that the strength of the company is not strong.
LED corn lamp housing material
General corn lamp will use aluminum lamp body and plastic lamp holder. Aluminum is not only beautiful and smooth appearance, no rough feeling, and good heat dissipation.
LED corn lamp brightness
Different brightness of the LED lights at different prices, ordinary brightness and highlight the price of LED lights have a certain gap. So customers understand the time must be clear that they need what kind of brightness, so as to accurately locate their own products to facilitate the manufacturers to give you the exact price.
Finally remind customers to choose LED lamps do not blindly pursue low-cost cheap, low quality LED lights sometimes not as long as the traditional lamp life and high brightness, then also lost the LED lamps high brightness, long life significance.
LED lighting is far away from us
Energy and the environment is a major test of mankind in the 21st century, so green energy has become the focus of world attention. To lighting, for example, its power consumption accounts for about 20% of the total, greatly reducing lighting electricity is an important way to save energy. LED with its highly efficient energy-saving features in the field of lighting has been an unprecedented opportunity.
LED light-emitting diodes, also known as light-emitting diodes (Light Emitting Diode, abbreviated as LED) is a kind of energy can be converted into light energy semiconductor light-emitting devices, are solid light source. It is the use of solid-state semiconductor chip as a luminescent material, when the two ends with a forward voltage, the semiconductor carrier recombination, the release of excess energy caused by photon emission to produce visible light. Compared with the traditional vacuum incandescent bulbs, etc., semiconductor LED light source has unparalleled advantages. Semiconductor LED has a long working life, is more than 10 times the traditional lighting equipment, effectively reducing the cost; its low power consumption, high luminous efficiency, energy saving, is the future energy strategy of the appropriate candidates; LED light source small, Light, adaptability, for the design and application provides a great deal of flexibility; because the white high-power LED light source is a solid bulb, no need to encapsulate in the vacuum glass, so the impact and impact; LED light source is a pollution-free Mercury source.
Especially with the LED chip technology to improve the price and the associated drive circuit to mature, so that LED light source in the field of lighting applications possible. In the increasingly tense global energy situation, the world's developed countries and regions have implemented the promotion of LED industry development plan. The United States, Japan and other countries and Taiwan LED lighting efficiency forecast, the United States 55% of the incandescent, fluorescent lamps are replaced by LED, annual savings of 35 billion US dollars in electricity, the annual reduction of 755 million tons of carbon dioxide emissions. Japan's 100% incandescent lamp into LED, can reduce the 1 to 2 nuclear power generation capacity, annual savings of more than 1 billion liters of crude oil consumption. Taiwan 25% of the incandescent and 100% fluorescent lamp is replaced by LED, can save 11 billion kWh per year.
The 2008 Beijing Olympic Games and the 2010 Shanghai World Expo are invariably surrounded by green energy as the theme, which China's LED lighting industry has brought tremendous historical opportunities. According to the well-known research company Chi Ang Consulting (Sinotes) released the forecast, in the Olympic Games, the strong driving force of the Expo, China's LED lighting market scale from 4.85 billion yuan in 2007 to grow rapidly to 8.91 billion yuan in 2010. In the global energy shortages, environmental protection requirements continue to improve the situation, with LED lighting technology, high brightness, long life, energy saving, green and other significant advantages, with the rapid development of LED technology, LED lighting into the general light of the time The closer the future, will become the history of human lighting following the incandescent, fluorescent lighting after the new revolution.
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