Title:
METHOD AND APPARATUS FOR INSPECTING PHOSPHOR
Document Type and Number:
Japanese Patent JP2004165013
Kind Code:
A
Abstract:
To enable inspecting of a foreign matter under a phosphor as well as a color mixture and a missing color defect of the phosphor.
When inspecting a work (PDP) 10 to be inspected in which phosphors for emitting each color of RGB, respectively, are arranged, a camera 20 images the work 10 to input an inspecting image by irradiating an ultraviolet light supplied from a UV light source 36 at an angle by a light guide 22 to a prescribed inspection position on the work 10.
Inventors:
HAYASHI KENTA
SOEDA MASAHIKO
SOEDA MASAHIKO
Application Number:
JP2002329734A
Publication Date:
June 10, 2004
Filing Date:
November 13, 2002
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
H01J9/42; H01J11/20; H01J11/22; H01J11/34; (IPC1-7): H01J9/42; H01J11/02
Attorney, Agent or Firm:
Satoshi Takaya
Keisuke Matsuyama
Tsuyoshi Makino
Keisuke Matsuyama
Tsuyoshi Makino
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