Title:
LIGHTING INSPECTION DEVICE FOR DISPLAY PANEL AND DISPLAY PANEL PRODUCING METHOD
Document Type and Number:
WIPO Patent Application WO/2005/034166
Kind Code:
A1
Abstract:
In lighting inspection of a display panel, a display condition equivalent to that of the display panel in a product state is realized to improve inspection accuracy. A lighting inspection device for performing inspection with a display panel (21) lit for display has a circuit board (27) on which a drive circuit for lighting for display the display panel (21) is provided, a chassis (25) having electrical conductivity providing ground potential for the drive circuit, and electrically conductive pillars (26) that is fixed to the chassis (25) and on which the circuit board (27) is installed. The chassis (25) and the pillars (26) are connected with soft metal (28) in between.
Inventors:
IKURA TSUNEO
WAKITANI TAKAO
OTANI TOSHIYA
WAKITANI TAKAO
OTANI TOSHIYA
Application Number:
PCT/JP2004/014573
Publication Date:
April 14, 2005
Filing Date:
September 28, 2004
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
IKURA TSUNEO
WAKITANI TAKAO
OTANI TOSHIYA
IKURA TSUNEO
WAKITANI TAKAO
OTANI TOSHIYA
International Classes:
H01J9/42; (IPC1-7): H01J9/42
Foreign References:
| JP2002134025A | 2002-05-10 | |||
| JPS5468752A | 1979-06-02 | |||
| JP2003243855A | 2003-08-29 |
Attorney, Agent or Firm:
Iwahashi, Fumio c/o Matsushita Electric Industrial Co. Ltd. (1006, Oaza Kadom, Kadoma-shi Osaka 01, JP)
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