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 Application 3 : Color filters for LCD panels
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    Aims :

  • Non contact measurement of the color filters of Liquid Cristal Display (LCD) panels,
  • Defect detection and characterization,
  • This example shows that Chromatic confocal technology yields excellent results on colored samples.
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Color filters of an LCD pannel (false color 3D representation)
1 - Color filters of an LCD pannel (false color 3D representation)
2 - Color filters of an LCD pannel (false color Altitude image)
Color filters of an LCD pannel (gray level Intensity image)
Measurement parameters
Measurement system :
MICROMESURE 2 Profilometer
Controller :
CHR 150L
Optical pen :
CL 1 MG 210
Sample :
Color filters of an LCD pannel
Picture size :
350 µm x 350 µm
Measurement pitch :
2 µm x 2 µm
3 - Color filters of an LCD pannel
(gray level Intensity image)