LCD screens dead pixels
by Vincent Alzieu
Published on September 30, 2004 (updated on 23 Mars 2005)
S à Z : Samsung, Sony, ViewSonic...
Samsung has launched a new policy last January. Samsung will provide 14 days exchange service from the actual date of purchase. After this delay the warranty is back to normal conditions.
This Zero Bright Dot warranty will be realized in several steps. The first one took place in January: all X and P series are now covered by the ZBD warranty. In February, the ZBD warranty was supposed to be extended to TV and DVI monitors equipped with a numerical interface (DVI), but Samsung has put this new program in stand by. Out of the four steps announced last January, only the first one has been applied.
Sharp offer two 20" LCD screens. On the top of the line product their policy on white pixel is 0. This is the reason why two responses are included in the table.
ViewSonic recently changed their dead pixel policy. Since last spring, their screens have a “no fully malfunctioning dead pixel” warranty, meaning permanent white or black pixels. For sub-pixels, ViewSonic sticks to the ISO 13406-2 norm.
