Green lighting source to compact and small scale development

Fluorescent lamps are moving toward the tube diameter, compact, flat direction. Fluorescent lamps used in the past more than three of the thick diameter of halogen phosphate phosphor powder (small 38mm), due to the invention of efficient fluorescent powder of the invention of the primary color of the earth, the diameter of the fluorescent lamp gradually reduced to 26mm, now is 16mm. This not only saves a lot of raw materials, but also make the light effect of the lamp has been greatly improved, from the original T12 (38mm) 601, and increased to T5 (16mm). The color rendering performance is also greatly improved, and the general color rendering index Ra increased from 50 to 80-90. A variety of compact fluorescent lamps have been developed and produced in large quantities. With fluorescent lamps to replace the T12 fluorescent lamp can save energy by 10%, with compact fluorescent lamp instead of incandescent lamp can save electricity by 70%, straight tube fluorescent lamp is in the direction of T5 development, not only energy saving and material saving, comprehensive resource conservation. In order to reduce the material consumption, especially the consumption of harmful substances, the fluorescent lamps with various diameters and compact fluorescent lamps are studied. Expected high color rendering of T5 fluorescent lamps in 2020 may still be the main lamp of indoor lighting. High strength and high color gold halide lamps may be the main source of commercial lighting before 2020.

Now according to the dielectric barrier discharge principle of the new flat fluorescent lamp (Flat Ruorescent Ump) has been developed, and gradually form a mass production. The utility model has the advantages of high efficiency, good shape, and is easy to be matched with the lamp. Flat fluorescent lamps are likely to be the main lights in the future changes in the way the building lighting applications. Table 12-1 comparison of characteristics of flat fluorescent lamps and other fluorescent lamps.

Table 1 Comparison of characteristics of flat fluorescent lamps and other fluorescent lamps

Lamp type

Power /W

Optical output / LM

Distance 2m / LX

System light efficiency / (lm/W)

Life /h

Flat fluorescent lamp

Twenty-two

One thousand and five hundred

One hundred and ten

Ninety-eight

Ten thousand

Annular fluorescent lamp

Twenty-two

One thousand and three hundred

Forty-five

Fifty-nine

Ten thousand

Compact fluorescent lamp

Twenty-five

One thousand three hundred and seventy

Sixty-two

Sixty

Ten thousand

Incandescent lamp

One hundred

One thousand three hundred and seventy

One hundred

Fourteen

Two thousand