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분야
pptx2.OLED Pixel Pattering Process
3.Encapsulating
In AMOLED fabrication, TFT array is on the substrate. Anode electrodes is formed on that TFT. And these are covered with insulator.
PMOLED is formed anode, insulator, cathode separator in order.
This process form electrodes. Organic layer will be deposited on anode.
FMM method is used for small molecules materials
In high-degree vacuum, depositing and patterning is performed in same time.
Metal mask is shifting, and then red, green, blue organic layers are deposited.
This method has a limitation of resolution, because FMM cannot be small enough
to make high resolution display.
Source is located below, thus substrate can droop. This causes bad pixel problem
Organic material can be melted
easily organic solutions
Thus, organic LE solution is sprayed
like an inkjet printer
Solution printing method can be
used for polymer materials
This method is good at performing
high resolutions and large scale
