Comparison Panasonic.

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Presentation transcript:

Comparison Panasonic

Comparison of CRT/LCD with PDP CRT LCD PDP Scanning method Dot sequence Line sequence Surface emission Interlace Progressive Light emitting Electron + Color phosphor Back light UV rays + Color phosphor Brightness control Beam current LC shutter Discharge time

Scanning method (1) CRT LCD PDP 1 field Dot sequence Line sequence Surface emission

Scanning method (2) Interlaced scanning Progressive scanning 1st field 1st field scan odd line scan every line 2nd field 2nd field scan even line scan every line 60 fields / sec 3rd field 3rd field scan odd line scan every line 60th field 60th field Progressive scanning has a double size of data

Light emitting method (PDP, CRT) Phosphor Discharge Discharge Discharge UV UV UV Electron beam Phosphor

LCD ~ ~ Back Light Color Filter Electrode Glass Polarizing plate ON (Black) OFF (White) ~ Back Light ON (Black) OFF (White) Electrode Glass Polarizing plate

Light emitting method (LCD) Polarizing plate Glass Electrode ~ ~ ON (Black) ON (White) OFF (Black) ON (White) OFF (Black) ~ OFF (White) TN IPS VA