Plasma panel - raster graphics and clipping, Computer Graphics

Plasma Panel - Raster Graphics and Clipping

This is an inherent memory device. Images can be written into the surface point by point and they keep stable, without flicked for an extended time after being intensified. An inert mixture of noble gases as neon and xenon gas is sealed and filled among two glass sheets along with fine-mesh gold-wire electrodes attached to their inner faces. The particles of the gas act in a bi-stable manner that is constant at two levels as on/off. While voltage is applied across the electrodes the gas molecules be ionized and are activated providing rise to a glow.

The suitable mesh of electrodes makes up 1000s of addressable cells. An exact picture is produced when gas particles in the consequent cells are excited through the application of the suitable voltages. The ionised gas molecules in the cells excited through the applied voltages glow, making the picture visible till the current is turned off. This provides a steady image although the resolution is poor as 60 dots per inch, and the hardware is very complex thus costlier than raster scan. The plasma display panel is less huge than the Cathode Ray Tube but also vary the cost of construction is extremely high. Addressing of wiring and cells is complicated.

Posted Date: 4/3/2013 1:25:34 AM | Location : United States

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