37‐1: Invited Paper: 800 PPI FMM Processing System using Femtosecond Laser

Manufacturing fine metal mask (FMM) is the biggest hurdle to realize UHD grade AMOLED pixels for smartphone applications and even higher resolutions such as virtual reality displays. We have developed 800ppi or more grade fine metal mask processing system via femtosecond laser with unique thermal da...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2017-05, Vol.48 (1), p.520-522
Main Authors: Park, Jong Kab, Hur, Jungyu, Kim, Boram, Kim, Doh Hoon, Kim, Chiwoo, Jung, Kiro
Format: Article
Language:English
Subjects:
Active matrix displays
Displays
Fine metal mask
Laser damage
Lasers
Pixels
taper control
thermal effect free process
UHD (Ultra High Definition)
ultrashort pulse laser
Virtual reality
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Summary:Manufacturing fine metal mask (FMM) is the biggest hurdle to realize UHD grade AMOLED pixels for smartphone applications and even higher resolutions such as virtual reality displays. We have developed 800ppi or more grade fine metal mask processing system via femtosecond laser with unique thermal damage free process. Thanks to the unique processing strategy, without sacrificing the processing speed, UHD grade FMM is realized for AMOLED mobile displays.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.11689