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Patent Searching and Data


Title:
DEVICE FOR INSPECTION OF DISPLAY PANEL
Document Type and Number:
Japanese Patent JP3940549
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To prevent the light from a back light unit from directing to the outside of the main body without putting out the back light unit when a display panel is attached to and detached from a chuck top.
SOLUTION: The inspection stage to accept and carry the display panel to be inspected can be moved between the inspection part to inspect the display panel and the loading part to pass and accept the display panel. The stage has a chuck top to accept the display panel and a back light unit assembled in the chuck top to illuminate the display panel accepted by the chuck top with light from the back side of the panel. The device has a light shielding plate in the loading part to cut the light from the back light unit to the chuck top when the inspection stage is moved to the loading part.


Inventors:
Oishi Kamito
Hiroshi Kosaka
Shinji Fujiwara
Isao Ueki
Application Number:
JP2000195759A
Publication Date:
July 04, 2007
Filing Date:
June 29, 2000
Export Citation:
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Assignee:
Nippon Micronics Co., Ltd.
International Classes:
G02F1/13; G09F9/00; (IPC1-7): G09F9/00; G02F1/13
Domestic Patent References:
JP4333819A
JP2000147044A
JP2000137200A
JP2000146846A
JP2002014047A
JP10301076A
Attorney, Agent or Firm:
Nobuyuki Matsunaga