White LED backlit flat-panel LCD TVs prosper
Check out another LED-related feature article uploaded to the site: LEDs light up LCD TVs
Written by Tony Armstrong, director of product marketing for power products at Linear Technology, he considers how sales of LED backlit flat-panel liquid crystal display TVs are proving positive, despite the economic downturn.
To understand the driving force for white LED backlit flat-panel LCD TVs, it is important to have some idea as to why they should be used over other forms of lighting, such as cold cathode florescent lamps (CCFL).
Large-panel LCD TVs have traditionally used CCFL backlighting. However, these CCFL backlit televisions have a variety of shortcomings ranging from fast motion blur to inaccurate colour reproduction.
With the current generation of LCD TVs, true blacks cannot be attained and the dynamic range of all colours leaves room for improvement.
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