Optics & Precision Coatings

Precision optical coating thickness and surface metrology — AR coatings, polarizers and OLED evaporation layers.

Focus Areas

Key process windows

AR coating 100–300 nm — quarter-wave control.

Polarizer / film 10–50 µm — efficiency & uniformity.

Organic layers 10–200 nm — brightness & lifetime.

Metrology Table

Sub-scenario / Process	Film Layer	Thickness Range	Application & Metrology Value
Anti-Reflection Treatment	AR coating	100 nm – 300 nm	Quarter-wave thickness control for minimum reflectance
Polarizing Components	Polarizer / polarizing film	10 µm – 50 µm	Ensures polarization efficiency and image uniformity
OLED Evaporation	Organic emissive & functional layers	10 nm – 200 nm	Organic layer thickness directly affects brightness and lifetime

Anti-Reflection Treatment

AR coating · 100 nm – 300 nm

Quarter-wave thickness control for minimum reflectance

Polarizing Components

Polarizer / polarizing film · 10 µm – 50 µm

Ensures polarization efficiency and image uniformity

OLED Evaporation

Organic emissive & functional layers · 10 nm – 200 nm

Organic layer thickness directly affects brightness and lifetime

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