When designing a handheld device with a colour display using white LEDs for backlighting, is it better to use parallel or series connected LEDs? Both architectures have their own advantages when you ...
National Semiconductor Corporation (NYSE:NSM) has introduced two new, highly integrated lighting management units (LMUs) that include a high-voltage boost converter and programmable constant-current ...
LEDs are becoming an increasingly popular backlighting option for all types of liquid-crystal displays, large and small, as more efficient and more cost-effective white LEDs become available on the ...
Most small-size color LCD displays today use white LEDs for backlighting. These systems usually involve handheld devices with an LED drive circuit powered by a battery whose output voltage varies over ...
How hard could it be to turn on an LED? Connect the LED in series with an appropriate resistor and hook it up to a dc source with the correct polarity and voilà, instant LED light. Of course, you can ...
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