DEVICE AND METHOD FOR DETECTING DEFECT OF OPTICAL FILM

Provided is a device for detecting a defect of an optical film, comprising a light emitting unit, a reflection unit, a screen, and an image capturing unit, and a method for detecting a defect of an optical film, comprising emitting light to a reflection unit, projecting the light reflected by the re...

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Bibliographische Detailangaben
Hauptverfasser: JANG, Eung Jin, CHOI, Hang Suk, YANG, Myoung Gon, KIM, Ho Jin
Format: Patent
Sprache:eng
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Zusammenfassung:Provided is a device for detecting a defect of an optical film, comprising a light emitting unit, a reflection unit, a screen, and an image capturing unit, and a method for detecting a defect of an optical film, comprising emitting light to a reflection unit, projecting the light reflected by the reflection unit onto an optical film, capturing an image of a screen which displays a projection shape obtained by projecting the light onto the optical film, and analyzing the image.