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An extreme close-up from the 1901 short film The Big Swallow. There are various degrees of close-up depending on how tight (zoomed in) the shot is. The terminology varies between countries and even different companies, but in general, these are: Medium Close Up ("MCU" on camera scripts): Halfway between a mid shot and a close-up. Usually covers ...
The shadow mask is installed to the screen using metal pieces [350] or a rail or frame [351] [352] [353] that is fused to the funnel or the screen glass respectively, [258] holding the shadow mask in tension to minimize warping (if the mask is flat, used in flat-screen CRT computer monitors) and allowing for higher image brightness and contrast.
Screen-door effects are more noticeable than LCD when up close, or on larger sizes. [53] New models are no longer produced. Colored sub-pixels may age at different rates, leading to a color shift, although some models will scan pixels to even out wear and prevent this shift. [54] Sensitive to UV light from direct sunlight.
Finally, stations may show a test card, [2] station logo, a loop of the station ident, a black screen, or a static schedule (telling viewers of the programming line-up once broadcasting resumes), usually with a monotone sound or a relay of a radio station: some stations may show a sequence of teletext pages, while others may use a promotional ...
Thus the input energy is converted to mostly infrared but also as visible light. The screen heats up to between 30 and 41 °C (86 and 106 °F) during operation. Depending on the phosphors used, different colors of visible light can be achieved. Each pixel in a plasma display is made up of three cells comprising the primary colors of visible light.
In 2008, LCD TV shipments were up 33 percent year-on-year compared to 2007 to 105 million units. [10] In 2009, LCD TV shipments raised to 146 million units (69% from the total of 211 million TV shipments). [11] In 2010, LCD TV shipments reached 187.9 million units (from an estimated total of 247 million TV shipments). [12] [13]
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Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to 250 / 3.2 = 78 cm (63 inches diagonally).