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What Are The Lighting Principles Of The Surgical Shadowless Lamp?

Time:2023-08-13 17:08:06

There are no more than two types of surgical shadowless lights today. For JoRadiant surgical lights, they can be divided into LED surgical shadowless lights and halogen surgical shadowless lights. Let’s introduce them separately.


LED light-emitting principle: LED (Light Emitting Diode), light-emitting diode, is a solid-state semiconductor device that can convert electrical energy into visible light, which can directly convert electricity into light. The heart of the LED is a semiconductor chip, one end of the chip is attached to a bracket, one end is the negative electrode, and the other end is connected to the positive electrode of the power supply, so that the entire chip is encapsulated by epoxy resin. The semiconductor wafer consists of two parts, one part is a P-type semiconductor, in which holes dominate, and the other end is an N-type semiconductor, where electrons are mainly. But when the two semiconductors are connected, a P-N junction is formed between them. When the current acts on the wafer through the wire, the electrons will be pushed to the P region, where the electrons and holes recombine, and then emit energy in the form of photons, which is the principle of LED light. The wavelength of light, which is also the color of light, is determined by the material that forms the P-N junction. And it is characterized by low energy consumption, extremely low temperature rise and long life and so on.


Halogen light-emitting principle: The glass shell of the halogen lamp is filled with some halogen element gas (usually iodine or bromine), and its working principle is: when the filament is heated, the tungsten atoms are evaporated and move toward the glass tube wall. The tungsten vapor is cooled to about 800°C and combines with halogen atoms to form tungsten halide (tungsten iodide or tungsten bromide) as it reaches the tube wall. Tungsten halide continues to move to the center of the glass tube and returns to the oxidized filament. Since tungsten halide is a very unstable compound, it will decompose into halogen vapor and tungsten again after being heated, so that tungsten is again in the filament. deposited on top to make up for the part that was evaporated. Through this regeneration cycle process, the life of the filament is not only greatly extended (almost 4 times that of incandescent lamps, but not as long as LEDs), it is characterized by the fact that the filament can operate at a higher temperature, which results in a higher Brightness, higher color temperature and higher luminous efficiency.



What Are The Lighting Principles Of The Surgical Shadowless Lamp?
There are no more than two types of surgical shadowless lights today . For JoRadiant surgical lights, they can be divided into LED surgical shadowless lights and halogen surgical shadowless lights. Le
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