Guide: LED fill light is a solid-state light-emitting device, also known as light-emitting diode, which drives semiconductor devices to emit light with a small current. It consumes less power and is stable, but the brightness is relatively weak. Use LED light-emitting diodes to fill the subject, usually used in digital video cameras or mobile phones. Since the brightness of the LED fill light is much lower than that of the real flash, it can only play the role of "filling light". The following small series introduces the use of LED fill light and what are the advantages and disadvantages of LED fill light.
The use of LED fill light:
The LED fill light is driven by a small current to drive the semiconductor device. It is an environmentally friendly product with low energy consumption and high brightness, and can be used in various occasions. For example, home indoor lighting, office lighting, night landscape background color lighting, road or block night lighting, as well as backlighting of various silver screens, shooting photos and so on.
What are the advantages and disadvantages of LED fill light:
advantage
Unlike fluorescent lamps, LED fill lamps are free of heavy metal contamination. They use a green light source and are ideal for green production.
The LED fill light is not fragile and will not be a problem when colliding. It is suitable for use on the farm.
LED fill light has low energy consumption and can save the cost of light compensation.
LED fill light has a long service life. In theory, the service life of ordinary LED fill light can reach 100,000 hours.
LED fill light power factor: >97% Total harmonic distortion: <15% Node temperature: <90°C
LED fill light wavelength: blue light 470nm red light 630nm
(Note: LEDs of any wavelength can be used according to specific needs)
Disadvantage
The shortcomings of LED fill light are mainly reflected in the monitoring system of electronic police and high-definition bayonet. High-definition cameras need to capture high-speed moving license plates. The lower limit of electronic shutter is usually set at night, so high-intensity fill light is needed at night. Due to the cost limitation and the low power consumption of the LED fill light itself, the brightness is difficult to meet the requirements of the capture. It is generally used in video surveillance video. The capture of high-definition license plate photos is generally done with a xenon flash to capture the fill light.
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