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The invention of the halogen tungsten lamp in 1959 brought the technology of incandescent lamps to a new level and increased the life of the incandescent lamp. Compared with the halogen-free incandescent lamp of the same rated power, the halogen tungsten lamp is much smaller and allows charging.
Into heavier gases (more expensive) at higher pressures, these changes can prolong life or improve luminous efficacy. Similarly, halogen tungsten lamps can also be directly connected to the power supply without the need for a control circuit.
The service life of an ordinary incandescent lamp is 1000 hours, and the tungsten halogen lamp is half longer than it, and the luminous efficiency is increased by 30%. Tungsten halogen lamps are widely used in motor vehicle lighting, projection systems, special spotlights, low-cost flood lighting, dance
Stage and studio lighting and other occasions where compactness, convenience, and good performance over non-halogen incandescent lamps are required.
