Originally published July 2 2005
NEC taps LEDs to provide even lighting for LCDs
by Mike Adams, the Health Ranger, NaturalNews Editor
Many modern computer monitors rely on Liquid Crystal Display (LCD) technology, but most use florescent backlight, and Charlie White of Digital Animators reports NEC's new monitor, which uses Light Emitting Diodes (LEDs) to backlight the screen, renders significantly more accurate colors.
Most flat panel displays, otherwise known as LCD monitors, use fluorescent backlight to provide illumination for their screens.
But NEC has a new way to provide backlight, using light emitting diodes, or LEDs, evenly lighting the screen of its 2180UX-WG display.
Although its decidedly high-end price of $6,500 will scare away most consumers, seasoned professional content creators whose lifeblood is accurate color will be delighted to see the precision with which this product can reproduce more colors than anybody's ever seen on a monitor.
We've tested some spectacular-looking monitors here at the Midwest Test Facility, with ultra-sharp screens and lightning-fast refresh rates.
That's where NEC has figured out how to make LED backlights that emit the perfect color of light to render colors more accurately than any monitor has been able to do thus far.
Mercury is present in fluorescent backlights, and some regulations in Europe and California are beginning to restrict shipment of products that contain that heavy metal.
NEC's thinking is that if for some reason a country or a larger region were to prohibit shipment of products containing mercury, the only kind of flat panel display that would be possible would have to use LED backlights.
Beyond those environmental considerations, NEC's engineers realized the need for more accurate color reproduction, no matter what type of monitor was being used.
The result was this LCD technology lit with LEDs, the first computer monitor using this technology, and certainly the first with this level of color accuracy.
The result is a complete lack of hotspots, where when we looked at the monitor using the DisplayMate (a special standardized script of test graphics specifically designed to evaluate all kinds of monitors and projectors) white and gray screens, the display was evenly illuminated from one edge to the other.
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