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Process Control for Production of Flat Panel Displays

dr.schwab offers inspection solutions for mass production of the common display types. Camera inspection, combined with our advanced defect classification engine reveals and classifies all types of local defects. Using 8k RGB line-scan cameras also includes the analysis of colour deviations. Full surface coating thickness analysis by spectrometer may be added. Statistic data evaluation tools including trend analysis software enable numerous long-time evaluations. In-line and off-line systems, for a single or multiple display types are available or tailored individually.

For TFT displays, we offer inspection systems for the different production steps:

Example: TFT Backlight

To cover all types of local defects, line-scan cameras are arranged at 2 different angles,
with external illumination as option.


  • Local Defects
  • Brightness Distribution
  • Colour Distribution