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TFT

Photomask for Display

In the display field (TFT), the company's display photomask has achieved full-generation coverage (G2.5-G11) and full-display technology coverage (LCD, AMOLED, LTPS, LTPO, Mini-LED, Micro-LED, silicon-based OLED, FMM photomasks, etc.).

PRODUCT PARAMETERS

TFT ARRAY mask specifications TFT CF mask specifications
330×450×5.0 450×550×5.0
520×610×10.0 508×609.6×5.0
520×800×10.0 700×800×8.0
800×920×10.0 800×920×8.0/10.0
800×945×10.0 800×960×8.0/10.0
850×1200×10.0 850×1200×10.0
980×1150×13.0 850×1400×10.0
980×1550×10.0 1220×1400×13.0
1220×1400×13.0 1220×1650×15.0
1620×1780×17.0 1620×1780×17.0

PRODUCT ACCURACY

a-Si TFT Mask Spec TFT Array Color Filter
Normal  High Spec HTM Normal HTM PSM
CD Tolerance ±0.2um ±0.05um ±0.15um ±0.3um ±0.3um ±0.15um
Range ≤0.25um ≤0.05um ≤0.2um ≤0.35um ≤0.35um ≤0.2um
Registration P/A ±0.5um ±0.25um ±0.5um ±0.5um ±0.5um ±0.5um
0/A ±0.5um ±0.3um ±0.5um ±0.5um ±0.5um ±0.5um
T/P ±0.5um ±0.3um ±0.4um ±0.5um ±0.5um ±0.5um


LTPS/LTPO/AMOLED Mask Spec Mask Grade Grade 1 Grade 2 Grade 3 Grade 4
Line/Space(Min.width) 3.0um≤ Typ. 2.5um≤ Typ. 2.0um≤ Typ. 1.5um≤ Typ.
CD Tolerance ±0.35um ±0.2um ±0.1um ±0.08um
Range ≤0.35um ≤0.2um ≤0.1um ≤0.08um
Registration Position Accuracy ±0.5um ±0.4um ±0.3um ±0.25um
Total Pitch ±0.5um ±0.4um ±0.4um ±0.3um
Overlay Accuracy ±0.4um ±0.35um ±0.35um ±0.3um

APPLICATION AREAS

  • Active-Matrix Organic Light-Emitting Diode (AMOLED) Display Manufacturing
  • Low-Temperature Polycrystalline Silicon Oxide OLED (LTPO-OLED) Display Manufacturing
  • Low-Temperature Polycrystalline Silicon LCD (LTPS-LCD) Manufacturing
  • Micro-Display Manufacturing (Mini/Micro-LED / Silicon-based OLED)
  • Indium Gallium Zinc Oxide OLED (IGZO-OLED) Display Manufacturing
  • Thin-Film Transistor LCD (TFT-LCD) Manufacturing, including TFT-Array and CF processes
  • Twisted Nematic / Super Twisted Nematic LCD (TN/STN-LCD) Manufacturing
  • Fine Metal Mask (FMM) Manufacturing, etc.
APPLICATION AREAS