Non-emissive display device with automatic grey scale control
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United States of America Patent
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Issued Date -
Oct 6, 2005
app pub date -
Nov 22, 2004
filing date -
May 24, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to an non-emissive display device which is arranged to operate using electro-optical modes, said display device comprising at least one individually addressable pixel (1,10), wherein at least one of scattering and absorption of light is arranged to occur within said pixel. The device comprises means for monitoring a grey scale level (8b,8c,8d,8e,15) within said at least one pixel (1,10), means for adjusting the grey scale level (20,21) of said pixel (1,10) and means for feeding grey scale information from said monitoring means to said adjusting means in order to control said adjusting means. The invention also relates to a method of driving a pixel of such a non-emissive display device.
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