SEMI D57 - Definition of Measurement Index (VCT) for Mura in FPD Image Quality Inspection
Specific definitions and quantifications of Mura are not consistent for many FPD manufacturers. Though there are standards for quantification of Mura, they are only used for limited types of Mura and are not practical in real varied cases. Currently it is still difficult to implement instruments to replace human inspectors for Mura inspections of LCDs. Therefore, it is necessary to standardize the classification of Mura for LCD.
Referenced SEMI Standards
SEMI D31 — Definition of Measurement Index (SEMU) for Luminance Mura in FPD Image Quality Inspection
SEMI D41 — Measurement Method of SEMI Mura in FPD Image Quality Inspection
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