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18W T8 LED tube light with SMD 2835 CE and RoHS
Jun 28, 2017

T8LED lamp is straight tube, and ordinary fluorescent tube similar, but it is the back of the use of aluminum alloy heat, the front use of PC cover rather than glass cover, T8LED lamp is a low voltage DC power supply, can not directly access the electricity , So it needs to bring a power supply, with a step-down rectifier. And then to access the electricity. T8LED lamp using the latest fourth-generation light source, energy saving, environmental protection is the future direction of development.

Luminous principle

The terminal voltage of the PN junction constitutes a potential barrier, and the potential barrier decreases when the forward bias voltage is applied, and the majority of the carriers in the P and N regions diffuse toward each other.

Since the electron mobility is much larger than the hole mobility, a large amount of electrons are diffused into the P region, which constitutes the injection of minority carriers in the P region. These electrons are combined with the holes on the valence band, and the energy obtained when recombined is released in the form of light energy. This is the principle of PN junction light.


1.T8LED fluorescent lamp does not use mercury, and which does not contain lead, the traditional fluorescent lamp contains a lot of mercury vapor, once such a light broken mercury vapor will evaporate into the atmosphere, which pollute the environment, and LED fluorescent lamp can be very good The protection of the environment is one of the recognized green light sources.

2.T8LED fluorescent light is cold light source, not like the traditional lighting as a lot of heat emitted. It is basically able to convert all the energy into light energy, will not cause energy waste, very economical.

3.T8LED fluorescent lamp is a very quiet energy-saving lamps, not the same as the traditional fluorescent noise, very suitable for the need for a quiet environment, such as libraries, offices and the like. But also very good to protect the eyes, start very fast, not flickering, very beneficial to our health.

4.T8LED fluorescent lamp life is very long, it consumes less than one-third of the traditional fluorescent lamp, but the brightness is consistent with the traditional fluorescent lamp. In general, the normal use of life of 30,000 hours or more, long-term use without replacement, invisible to reduce the cost of labor, it is suitable for some inconvenience to replace the lamp occasions. Of course, LED fluorescent tube color is very rich, you can produce a variety of light color lights, to meet the needs of different occasions.

Use place

At present, the use of T8 LED lamp has been deep into many places, indoor lighting where the general has its shadow, T8 LED lamp mainly concentrated in the office lighting, factory lighting, library lighting, subway lighting, shop lighting, shopping malls lighting , Hotel lighting, can be described as a place of lighting, there are T8LED lamp.

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