CCFLSCrawford County Federated Library System (Meadville, PA)
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I started working at CCFLS in 1998 as the administrator's administrative assistant.
Since CCFLs contain mercury, it is also generally more difficult to control the monitors under applications with severe temperature changes, while LEDs do not have that problem.
LED-backlit LCD TVs can be produced at costs almost equal to those of CCFL models in 2013, the researcher forecast.
While neither monitors nor TVs use LEDs for their actual screens, the difference between LED and LCD displays is that the former has replaced its CCFL backlighting with LEDs.
The price premium for 40- to 42-inch LCD TVs using LEDs is about $200-$500 compared to CCFL alternatives, iSuppli says.
The TitanBrite 2W UV LED (SML-LXL8047UVC Series) is said to consume 50 percent and 70 percent less energy than CCFLs and UV filament lamps, respectively, and according to the company, the SMT design allows the 2-W UV LED to provide up to 90, 50 or 30 percent space savings compared to CCFLs, UV filament lamps and through-hole UV LEDs.
As LED backlight is gradually replacing cold-cathode fluorescent lamps (CCFLs), the LED TV penetration rate is expected to surge to 65~70% this year from 40% of last year, according to Unity executives.
The digital interface on the 6.4 in TFT module provides VGA resolution (640 x RGB x 480 dot pixels) and incorporates two CCFLs (cold cathode fluorescent lamps) for a brightness of 300 nits, and has a contrast ratio of 120:1.