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Can have poor brightness, especially when most of the picture is white [5] Electro-magnetic radiation emission Can emit a small amount of X-ray radiation. Only emits non-ionizing radiation. [39] Emits strong radio frequency electromagnetic radiation [40] None, although control circuitry may emit radio interference Size Up to 43 in (1.1 m) [41]
Full-array mini-LED backlights, consisting of several thousand WLEDs, were being researched for TVs and mobile devices in 2017. [36] The white LEDs in LED backlights may use special silicate phosphors, which are brighter but degrade faster. [37] The size of the LEDs is one of the factors that determines the size of the bezel of LED-backlit LCDs ...
GE Soft White (Lower-CRI WWX) ≈77 3000 N/A 32 WWX Deluxe Warm White ≈87 3000 N/A N/A WX Sylvania White Deluxe ≈85 3500 N/A 79 N Natural ≈90 3600 N/A 34 N/A Deluxe White ≈85 3850 W-SDL 38 CWX Deluxe Cool White/Kolor-rite ≈90 4000 N/A N/A C41 GE Cool White Utility (Enhanced CWX) ≈87 4100 N-SDL, N-EDL N/A C50/DSGN50
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
The 2011 UEFA Champions League Final match between Manchester United and Barcelona was broadcast live in 3D format in Gothenburg (Sweden), on an EKTA screen. It had a refresh rate of 100 Hz, a diagonal of 7.11 m (23 ft 3.92 in) and a display area of 6.192×3.483 m, and was listed in the Guinness Book of Records as the largest LED 3D TV.
Around 2014, television manufacturers were largely phasing out plasma TVs, because a plasma TV became higher cost and more difficult to make in 4k compared to LED or LCD. [ 73 ] In 1997, Philips introduced at CES and CeBIT the first large (42-inch or 110-centimetre) commercially available flat-panel TV, using Fujitsu plasma displays.