What is the luminous principle of Fluorescent light

Fluorescent lights, also known as fluorescent lamps. The traditional fluorescent lamp is the low-pressure mercury lamp, which is the principle of using pressure mercury vapor to release ultraviolet light after electricity so that the phosphor emits visible light, so Fluorescent light belongs to the low-pressure arc discharge light source. In 1974, Dutch Philips first developed phosphors capable of blue, green, and red light with sensitive human eyes. The development and application of fluorescent color (also known as three primary colors) is an important milestone in the history of Fluorescent light. What is the luminous principle of Fluorescent light？

Here is the content list:

•Fluohor plays a key role

•Uop and IOP values of the lamp tube

•Rated start voltage

Flour plays a key role

From the light-emitting mechanism of Fluorescent lights, phosphor plays a key role in the quality of Fluorescent lights. The Fluorescent light is a gas discharge light source, whose voltampere characteristic is as shown in Figure 1-1. Neon is glow discharge and Fluorescent lights are arc discharge. It has a high input impedance before the Fluorescent light or arc burning because there is no conductive ion at this time: the high voltage Uns is added to the tube, which is the rated start voltage of the illuminated tube. After normal operation, the voltage added to the tube drops to the operating voltage.

Uop and IOP values of the lamp tube

The Uop and IOP values of the selected type of Fluorescent light tube can be obtained from the ANSI specification and the desired Uns values from the manufacturer, the impedance Xb. of the ballast can be determined from the above While the value of this impedance in an electronic ballast is determined by the capacitance.

Rated start voltage

The rated start voltage of the tube at 50 °F is given by the manufacturer, but to ensure that the tube lights at least in the worst case, the actual start voltage increases at least 10% of the given value by the manufacturer. The National Standards Agency (ANSI) specifies Uop and IOP values of different types of tubes in the Fluorescent light specification so that manufacturers must meet the maximum power quota of the tubes when production.

By selecting capacitances with different impedance, the Fluorescent light can be allowed to operate at rated power above or below that model, namely the tube can run at any given power, including limit values, which is achieved by any combination of Uop and Top.

Although any Fluorescent light can operate at a higher rated power of this type as specified in this ANSI specification, its life decreases significantly. The Fluorescent light, even when working at the specified power, will last less than the expected time, because the expected time is tested by the manufacturer in a certain current voltage and temperature environment. Cixi Yuanhui Lighting Electric Co., Ltd. many tests of Fluorescent light，and the quality qualification rate is guaranteed. If you need Fluorescent light, you can consider our cost-effective products. Cixi Yuanhui Lighting Electric Co., Ltd. materials are non-toxic and tasteless, perfect after-sales service, you can have no worries.