The world is beginning to fully transition to low carbon era, as a new type of solid state lighting, LED for lighting energy saving is of great significance. Compared with the traditional light source, it has countless advantages. At present, we may have noticed that the primary problem of the LED light in market is the droop. The factors that affect led donwlight performance mainly have the following two factors:
At first, it has quality problem when it was made. The manufacturer may use the LED chip with a bad constitution, which causes the brightness decay rapidly. Also, it exists a deficiency in the production process, which is, the LED chip heat dissipation can't derive from PIN feet, and cause the LED chip temperature rising quickly.
Second, it may be the inappropriate conditions of use. The Led downlight is derived constant current, while it may be driven by voltage which makes some attenuation. Moreover, its drive current is greater than the rated driving conditions.
Actually there are some of the reasons for LED products light failure. The key of them is still the hot problems. Although many vendors in the secondary products put a special focus on the cooling problem, using for a long time, these secondary LED products may has better quality. The LED chip itself, under the influence of thermal resistance, silver glue, substrate cooling and colloid gold thread, also have a connection with light failure.
The differences are depended on the electrical parameters of LED working and the design of lamps and lanterns, as well as the using environment of lamps and lanterns.
First of all, choose what kind of LED white light of importance. The quality of the LED light can never be said too important. Why different encapsulation technology will lead to such differences?
One of the main reasons is that the LED chip can't stand the heat. It doesn't matter occasionally it is heated over one hundred degrees. But when it is under high temperature in long-term, it is a great damage to the LED chip.
It is helpful to lengthen the life of the LED light when it is working with a small fan blowing, which helps it to disperse the heat.
To make the high performance of the LED light products, materials selection and collocation directly affect its attenuation and quality, therefore, good material with the best collocation, plus the unique manufacturing process is the most import parts. The manufacturer must give full play to their own advantages, continuous efforts, increase research and development, to develop more products which is suitable for the customer's requirements and contribute to national semiconductor lighting energy-saving industry.
1. Item : 600*1200 LED pan...more
1. Item : 300*600 LED pane...more
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