Re: Buying a monitor

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Article #235

#235

From: Mike
Date: Fri, 12 Apr 2002 02:45

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Dave <dave@henniker.org.uk> wrote:

>On Sat, 06 Apr 2002 18:39:00 +0100, mike-barred@philomel.demon.co.uk
>(Mike) wrote:

>>The
>>LCD panel itself emits nothing, although some LCD technologies use a
>>very small magnetic field within the panel.
>>
>How does the magnetic field work? The only magnetic field I can think
>of is the stray magnetic field from the inverter circuit's
>transformer, used to step the voltage up to maybe 10KV. 

IIRC some liquid crystal materials require the presence of a magnetic
field in order to make the state change at room temperature.  Very
fine lines of magnetic material are laid down on panels that use such
liquid crystal materials during its manufacture.

-- 
Mike Humberston
unbar email address to reply.

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From: mike-barred@philomel.demon.co.uk (Mike)
Newsgroups: uk.comp.os.win95,demon.tech.pc
Subject: Re: Buying a monitor
Date: Fri, 12 Apr 2002 03:45:28 +0100
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References: <iFNqp6HdTvY8Ewcx@pigsonthewing.org.uk> <3c64e25b.1311955@news.freeserve.net> <3kzP3ZIslPp8EwVn@soft255.demon.co.uk> <3ca9d811.1727036@news.freeserve.net> <VtGn$CAXvqq8EwYM@ch-w.demon.co.uk> <3cac7a63.1285057@news.freeserve.net> <poauau4aq6v6ljs9f1lvrfrbu61s5s9np6@4ax.com> <shqvau8vep3iq32b9akmuco4f6ofrp39tt@4ax.com>
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