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Roll‐to‐roll manufacturing considerations for flexible, cholesteric liquid‐crystal display (Ch‐LCD) media
Author(s) -
McCollough G. Thomas,
Rankin Charles M.,
Weiner Megan L.
Publication year - 2006
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/1.2166831
Subject(s) - materials science , liquid crystal display , flexible display , roll to roll processing , inkwell , active matrix , bistability , layer (electronics) , coating , electrical conductor , optoelectronics , substrate (aquarium) , liquid crystal , screen printing , composite material , thin film transistor , oceanography , geology
— Roll‐to‐roll methods and equipment to manufacture a bistable, passively driven display media on a flexible substrate have been developed. Using continuous coating techniques and equipment, cholesteric liquid‐crystal droplets in a gelatin binder and a dark layer are simultaneously coated onto laser‐etched‐patterned transparent ITO conductors on a polymeric web. Second conductors are printed with a UV‐curable polymer thick‐film ink over the active display layers, followed by slitting and chopping to complete the manufacture of display media in a full roll‐to‐roll mode. Segmented‐ and matrix‐display media can be generated using these techniques. This paper will focus on the manufacturing considerations for producing matrix‐display media.

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