Apparatus for Inspecting Flat Panel Display and Method Thereof

Yang, JW; Kim, KI; Son, HI

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Apparatus for Inspecting Flat Panel Display and Method Thereof

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https://patentimages.storage.googleapis.com/56/ec/02/9d504b4bd6ebb7/KR20080054596A.pdf
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Citation

Yang, J., Kim, K., & Son, H.(2008). Apparatus for Inspecting Flat Panel Display and Method Thereof.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-D351-7

Abstract

An apparatus for inspecting a flat panel display and a method thereof are provided to determine a failure of a color filter accurately within a short time by measuring changes in color coordinates and the width of a color filter at several positions. A method for inspecting a flat panel display includes the steps of: discriminating whether a stain exists on a color filter or not(S110); photographing the stain on the color filter and plural positions around the stain(S120); measuring the amount of change in color coordinates at the plural positions(S130); and determining the color filter is a failure if the change amount is larger than a reference value(S140).