OPTICAL FILM AND DIGITAL PEN SYSTEM USING SAME

OPTICAL FILM AND DIGITAL PEN SYSTEM USING SAME

Provided are an optical film and a digital pen system including the same. The optical film includes a film layer having fine structures thereon, a coating layer coated on the fine structures to form a dot pattern and having a feature of scattering infrared light, and a matching layer stacked above o...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: KANG, Yong Hoon
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:Provided are an optical film and a digital pen system including the same. The optical film includes a film layer having fine structures thereon, a coating layer coated on the fine structures to form a dot pattern and having a feature of scattering infrared light, and a matching layer stacked above or below the film layer and having a refractive index matched to a refractive index of the film layer within a predetermined range of errors.