LED Lighting Blog

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Daily Archives: July 30, 2012

Factors affecting the life of LED driving lights

Factors affecting the life of LED driving lights
Using long-life capacitor does not necessarily ensure the power supply life-span. In order to improve the life of power led lights, you need to improve in many ways: the use of the higher life of the capacitor, and to improve power efficiency, good thermal design of power supply life, optimizing the thermal design of the lamp. Many lighting companies in order to reduce weight, small volume and install in a confined space, in order to consider the lighting design of compact thermal conditions of ...Continue reading

small led grow lights and print method

small led grow lights and print method
Lighting applications or backlighting applications, the light guide plate and the LED lights source with the best in the compatibility of the product quality and poor quality of the light guide plate for the entire LED products have an important impact, the most important performance in the brightness and uniformity. The same module, the light guide plate will have different effects, high-quality light guide plate transmittance significantly than low-quality high, but also to prevent the bright ...Continue reading
July 30th, 2012
Rice

small led lamps and fire proof

small led lamps and fire proof
With the rapid development of modern technology, LED lights display screen industry sustained rapid speed of growth, expanding industry, technology innovation, market share since 1993, continued to grow by an annual average growth rate of 40%, however, in 2012 Hong Kong Harbour Grand caught fire incident on April 2, knocked to the entire LED industry a wake-up call: the rapid growth of this industry, LED display screen safe application of technology to the remaining short board, LED products sta...Continue reading
July 30th, 2012
Rice

How to make competent LED power suppliers for high-power LED lighting products

How to make competent LED power suppliers for high-power LED lighting products
Intelligent control is one of advantages of LED lighting technology. LED power suppliers is a key point of LED intelligent control. Intelligent control have achieved obvious results in LED street lighting and LED tunnel lighting. Central controllers can switch on/off lamps or let them maintain in a certain energy consumption level depending on the density of vehicles on roads or in tunnels. These functions can be realized through all kinds of sensors and embedded systems. Intelligent control in ...Continue reading
July 30th, 2012
tina

smd high power led and dlp technology

smd high power led and dlp technology
Strong technology as a new big-screen video, LED lights source DLP splicing products have been one of the industry the focus of industrial innovation. Era light LED technology is not only a simple change of the light source technology, it will fundamentally change the practical performance of the DLP splicing products, or even create many new applications. LED light source DLP Video New in the end they will give industrial customers to bring a new surprise which unexpected? Lower cost of owne...Continue reading
July 30th, 2012
Rice

smd led lamps, led and oled

smd led lamps, led and oled
The difference between LED lights and OLED LED TV is the boundary illuminated LCD (liquid crystal display), around the screen a large number of light-emitting diodes, the light transmitted by an independent wire to the center of the screen. It makes the screen thinner, but also brought unpleasant viewing angle. In contrast OLED (organic light emitting display) screen is able to light-emitting current through organic materials. Because in addition to the backlight, OLED screen performance i...Continue reading
July 30th, 2012
Rice

solar energy led lighting and ppfc design

solar energy led lighting and ppfc design
The development of high-power LED lighting solutions manufacturer currently experiencing the biggest design challenge is the thermal design and thermal overload protection, they must overcome 's LED lights source is sensitive to heat problems, and will cause excessive heat or improper application of the performance of the LED light source be discounted. Theory and practice has proven that LED performance and life expectancy is closely related to the PN junction temperature of the LED. When th...Continue reading
July 30th, 2012
Rice

solar energy street lights and led strips

solar energy street lights and led strips
First, what is LED strips? Lights with LED lights use a special process of welding copper wire or strip of flexible circuit boards above, and then connect the power light-emitting, because of its light-emitting shape, such as a light band got its name. The first process is welded to the copper above the LED, and then put the PVC pipe or to use the device directly forming both round and flat like its title to distinguish between the number of copper wire and the lamp with the shape of two line...Continue reading
July 30th, 2012
Rice

Notice points for LED power suppliers

Notice points for LED power suppliers
With the improvement of LED packaging and LED cooling technology in recent years, the stability of LED lighting products has reached up and maintained in a high level. An unreasonable cooling section design may cause inevitable lighting attenuation and light shift. Relatively, problems caused by unreasonable drives design are much more serious: such like failure and flickers. Nowadays, LED power suppliers have been the weakness of the entire LED lamps. In another word, according to bucket analog...Continue reading
July 30th, 2012
tina

Promoting advantages of LED light engine

Promoting advantages of LED light engine
This article will discuss about promoting advantages of LED lights engine. Before that, let’s figure out what LED light engine means.   LED light engine is a combination of LED components, LED modules, LED drives and other optical, thermal, mechanical components. This group or engine can be directly connected with branch circuits though a regular connectors which is matching up with the lamp. Thus LED light engine can be considered as a device between LED lamps and LED modules. It has no light...Continue reading
July 30th, 2012
tina

The following development trend of high-brightness LED lightings

The following development trend of high-brightness LED lightings
How to get the LED lights to support the larger current In recent years, the industry is very positive for just one to achieve a considerable brightness LED R&D and technology in this regard will fall on. How to make the LED support a larger current. But this result is still far to meet the market expectations. So the goal is more than 10 times and the current conduction to the LED components. So when the LED lightings area size can be expanded to 1m square meters, the following work is h...Continue reading

Introduction of knowledge of the application of led wafer

Introduction of knowledge of the application of led wafer
The production of the wafer production process is very complicated-developed epitaxial wafers, the next at random in each wafer test nice, to met the requirements of good quality and other defective products (a large voltage deviation, the shorter the wavelength Ora longer length, etc.). Yield of the wafer must start doing electrodes(P pole, N pole), followed by epitaxial wafers, laser cutting and hundred percent sorting, depending on the voltage, wavelength, brightness fully automated sorting, ...Continue reading

solar led flood lights outdoor and lighting source

solar led flood lights outdoor and lighting source
With the herd phenomenon of the market, as consumers, use LED lights remains to be calm, scientific analysis, the choice of the best cost-effective light sources and lamps, here are several basic performance of the LED: 1, the brightness of the LED brightness, different prices. LED lamps for LED should be consistent with the Laser Level Class I standards. 2, the antistatic ability antistatic ability LED, long life, and hence the price is high. The antistatic usually greater than 700V, the ...Continue reading
July 30th, 2012
Rice

solar led lamp post and power supply

solar led lamp post and power supply
LED power supply there are many classification methods: Divided into constant voltage output characteristics of series, the constant current series; Different input characteristics are divided into general series, and high power factor series; For different purposes, divided into the waterproof series, series and is not waterproof; Isolation circuit structure is divided into different series, and the isolation series; Control mode is divided into different adjustable light series,...Continue reading
July 30th, 2012
Rice

solar led lighting outdoor and led solution

solar led lighting outdoor and led solution
Most lighting designers believe that the quality of all LED products are the same. However, many LED manufacturers and suppliers, Asian manufacturers to global supply low-cost LED. Surprisingly, only a small part of these manufacturers to create high-quality LED. For applications that only used as a simple indicating the role of the low quality of the LED is sufficient to meet the requirements. However, in many areas of the requirements of consistency, reliability, solid-state instructions or li...Continue reading
July 30th, 2012
Rice

solar led street lamp and quality

solar led street lamp and quality
How to control and improve the quality of full color LED display? What is the important indicator reflecting the quality of the full color LED display LED? The first LED devices as the most critical components of the full-color LED display for three reasons: First, LED full color machine used in the largest number of devices per square meter will be used only a few thousand to tens of thousands of led lights; Secondly, LED is to determine the main body of the optical display performance of...Continue reading
July 30th, 2012
Rice

solar led street lamps and good points

solar led street lamps and good points
LED display screen, LED electronic display screen appears more and more people's vision, LED lighting is some of the main road on the trial of the LED lights, LED street with what conditions? (1) energy saving voltage, low current, high brightness features. LED lights use LED street must have the characteristics of low voltage, low current, high brightness, ensure that the installation, normal use, energy efficient. (2) new green light, LED use a cold light source, glare-free radiation not...Continue reading
July 30th, 2012
Rice

solar led street light circuit and led high power

solar led street light circuit and led high power
High-brightness light-emitting diode (LED lights) for its small power consumption, long life, fast response speed, no flash, small, non-polluting, easy and integrated features, is becoming the traditional lighting industry upgrading to a new generation of light. In energy saving, environmental protection have become an increasing concern today, semiconductor lighting is to become the new economic growth point, and thus attaches great importance to by governments around the world, the scientific ...Continue reading
July 30th, 2012
Rice

solar led street lighting system and Phosphor

solar led street lighting system and Phosphor
There are three main way to achieve white LED lights,  but they do not fully mature, thus seriously affecting the white LED lighting in the area. Specifically, the first method is the yellow phosphor coating a blue LED chip to be Blu-ray excitation, chips issued by the yellow light emitted by blue phosphor complementary form white light. The technology monopoly of Japan's Nichia Corporation, and a schematic of the shortcomings of this program is that the emission spectra of Ce3 + ions in the pho...Continue reading
July 30th, 2012
Rice

solar panel led lights and Ceramic substrates

solar panel led lights and Ceramic substrates
Ceramic substrate material for its excellent thermal conductivity and air tightness, widely used in the field of power electronics, electronic led lights packaging, hybrid microelectronics and multi-chip module. This paper briefly introduces the current status quo of the ceramic substrate and future development. 1, Comparison of plastic and ceramic materials Plastic, especially the dominance of the epoxy resin due to the relatively good economy, so far, still occupy the entire electronics ...Continue reading
July 30th, 2012
Rice
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