Imec has developed cost-effective fine-pixel photolithography for manufacturing ultra-high resolution OLEDs. Imec, and its development partner Chunghwa Picture Tubes (CPT) ,  aimed to push  pixel density beyond 1000 ppi. Imec and CPT have verified that a novel photolithography process can allow for ultrafine OLED patterns. The proposed technique does not require using fine-metal masks to ...

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