LCD monitor

[Ralf Mardorf]

On Sat, 29 Jul 2017 16:37:47 +0200, Ralf Mardorf wrote:
>"Pixel Fault Classes
>
>The standard lists four classes of devices, where a device of a
>specified class may contain a certain maximum number of defective
>pixels. Three distinct types of defective pixels are described:
>
>    type 1 = a hot pixel (always on, being colour white)
>    type 2 = a dead pixel (always off, meaning black)
>    type 3 = a stuck pixel (one or more sub-pixels (red, blue or green)
>    are always on or always off)
>
>The table below shows the maximum number of allowed defects (per type)
>per 1 million pixels. Definition of Pixel Fault Classes – Maximum
>number of faults per million pixels
>Class 	Type 1 	Type 2  Type 3 	Cluster with more
>than one type 1 or type 2 faults Cluster of type 3 faults I 	0
>	0 	0       0
>		                                           0 II
>		2 	2 	5
>	0                                                  2"
>- https://en.wikipedia.org/wiki/ISO_13406-2

A German Wiki claims, that ISO 13406-2 is replaced by ISO 9241, this
means that class I could have faulty pixel, too and only class 0 is
without faulty pixel.

https://de.wikipedia.org/wiki/EN_ISO_9241#EN_ISO_9241-307_Analyse_und_Konformit.C3.A4tsverfahren_f.C3.BCr_elektronische_optische_Anzeigen