TFT-Pixel failure criteria for QUATO-Products

Although TFT technologies have been constantly improved in the past few years, single pixel defects can still not be completely avoided in the production process of TFT panels. Thus, ISO standard 13406-2 defined pixel defect classes I to IV, whereas only devices of the defect classes I,II and III are sold to the "public". Class I devices are distributed for military and clinical purposes only.

We defined special QUATOGRAPHIC acceptance criteria (and subsequently the right for replacement if they are not met), which go far beyond the demands of the ISO standard 13406-2.

pixel-failure criteria for 19" (21.3") TFTs
- max. 7 (10) defective subpixel
- max. 3 (4) defective subpixel in a cluster
- max. 3 (4) defective pixel


Pixel failure criteria for Quato Intelli Proof monitors:

For Intelli Proof and Intelli Color units from June 2006 on, Quato has defined even more restrictive criteria:

- Zero defective pixels in the center area (DIN A6 landscape)
- max. 2 defective pixels in the remaining area

The above mentioned pixel failure criteria only apply on the state of delivery. Later occuring pixel failures are not covered by the warrenty.

Pixel failure criteria for Quato Intelli Proof LE monitors:

- max. 3 defective pixel (ISO 13406-II)

The above mentioned pixel failure criteria only apply on the state of delivery. Later occuring pixel failures are not covered by the warrenty.

Note: Older Intelli Proof/Intelli Color and all other Quato general purpose TFTs comply to the ISO 13406