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Lumen maintenance is the most useful gauge to determine the lifetime or useful light output rating of an LED light source. Unlike traditional light sources such as incandescent lamps, LEDs rarely fail outright and instead continue to emit light, albeit at slowly diminishing rate over time. [ 1 ]
The extended lighting cycle usually ends when the vehicle's ignition has begun, or a gradual reduction in light emitted after a couple of minutes if the car is not started, called "theater" lighting. Interior lighting has been added on some vehicles at the bottom edge of the dashboard, illuminating the floor for front passengers, or underneath ...
Learn about LED lamps, electric lights that use light-emitting diodes to produce light efficiently and last longer than other lamps. Find out how LED lamps evolved from red indicators to white general lighting, and how they compare with incandescent, fluorescent and metal-halide lamps.
Here’s your guide to how — and how much — to budget for car maintenance and repairs. Prepare for What Lies Ahead. If your car is not under warranty, all maintenance and repair costs fall to you.
One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.
Find the international and national regulations for light sources used in vehicles and trailers. Compare the specifications, nominal power, cap and other approvals of different filament and gas discharge lamps.