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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Posted to sci.electronics.repair,uk.d-i-y
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![]() "The Natural Philosopher" wrote in message ... Andy Champ wrote: The Natural Philosopher wrote: Color transparencies which are used in pro film applications say your are a liar. Not really. Transparencies subtract some colours from the transmitted light; prints subtract some from the reflected light. Displays make their own... Ah, so that is why they are backlit then? So they can 'make their own? What a prat. An LCD display IS a color transparency. No it is not! A transparency is a subtractive process. An lcd is additive. Each pixel in a film transparency has three filter layers each of which can absorb a colour. Each pixel on an lcd is made from three different colour subpixels. The subpixels each have a colour filter behind them to make them RGorB. Andy |
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