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LTPS Grain -
dth is about 3 μm. Sapphire wafers are the most widely used substrate material in the semiconductor lighting industry, and using PSS is a common method to improve the luminous efficiency of semiconductor lighting devices.">
Patterned Sapphire Substrate (PSS)
OLED Pattern
ETL Structure
The Edge Structure of PSS
Glass Substrate
dth is about 3 μm. Sapphire wafers are the most widely used substrate material in the semiconductor lighting industry, and using PSS is a common method to improve the luminous efficiency of semiconductor lighting devices.">