Mondo Knows Facts
Plasma screens lit tiny cells of gas
Each cell held a gas mixture that glowed and excited a phosphor coating Plasma panels, invented at the University of Illinois in 1964, filled thousands of tiny cells with a gas mix including xenon. An electric discharge produced ultraviolet light, which made phosphors glow red, green or blue. The panels were bright and large but heavy and power hungry. It sits in Mondo's movies & tv collection, one of 200 facts that each trace back to the reference below.
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Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.
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More facts like this
An LCD picture is made by blocking lightLiquid crystals twist to gate a lamp behind the glass rather than glowingOLED screens light each pixel on its ownThere is no backlight, so a black area draws almost no powerBlood plasma is composed of over ninety percent waterThe liquid portion of blood transports proteins glucose hormones and electrolytesPlasma is the most common state of matterStars and glowing gas are plasma, so most visible matter is ionisedLiquid crystals flow yet still bend lightRod shaped molecules keep a shared orientation while sliding past one anotherThe first television remote was tied by a cableZenith's Lazy Bones hung off the set and could only switch it on or off
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Tags: television, displays, plasma
Plasma screens lit tiny cells of gas: the short answers
- Where does this come from, and can I check it?
- Each cell held a gas mixture that glowed and excited a phosphor coating. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a movies & tv fact?
- Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.