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Patent Searching and Data


Title:
APPARATUS FOR PANEL SURFACE INSPECTION
Document Type and Number:
WIPO Patent Application WO/2017/069441
Kind Code:
A1
Abstract:
The present invention relates to an apparatus for panel surface inspection which captures three-dimensional images of panel surface defects such as indentation impressions or foreign materials attached, thereby enabling rapid and precise inspection. The present invention provides an apparatus for panel surface inspection comprising: a stage (100) on which a panel to be inspected is placed horizontally; a camera (200) installed above the center of the stage; and an upper lighting (300) installed between the stage and the camera, wherein the upper lighting comprises light-emitting channels (320) comprising multiple light-emitting elements (L) disposed at predetermined intervals on a flat surface parallel to the panel, the light-emitting channels are disposed at predetermined intervals and in multiple columns and rows and turned on and off sequentially, thereby illuminating segments of the panel surface, and the camera captures images every time the light-emitting channels are turned on.

Inventors:
PARK GEUM SUNG (KR)
KIM KEE SOON (KR)
LEE GIL HWI (KR)
Application Number:
PCT/KR2016/011315
Publication Date:
April 27, 2017
Filing Date:
October 10, 2016
Export Citation:
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Assignee:
YOUNGWOO DSP CO LTD (KR)
International Classes:
G01N21/958; G01N21/88; G06T7/00
Foreign References:
KR20140075171A2014-06-19
KR20080088938A2008-10-06
KR20090103152A2009-10-01
KR20010037417A2001-05-07
KR20130128620A2013-11-27
Attorney, Agent or Firm:
PARK, Moon Su (KR)
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