LED drivers are necessary in the application of LED lighting. They can supply constant output current and make the LED light even, and also can make the LED's life longer.

LED照明的应用离不开它所需要的驱动控制电路，通过驱动电路来获得良好而平稳的电流，使LED照明更加稳定，满足各种场合的应用要求，同时可以延长LED的使用寿命。

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Volunteers from the Bay Search and Rescue Team led drivers to safety from the A595.

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The maker of light emitting diodes, or LED, drivers, issued a second-quarter warning, lowering its revenue projection.

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Not long before the race was stopped, changing conditions had led to drivers diving in and out of the pits trying to fit the right tyres for the conditions.

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