PLASMA DISPLAY - MATSUSHITA ELECTRIC IND CO LTD

Title:

PLASMA DISPLAY

Document Type and Number:

WIPO Patent Application WO/2003/085630

Kind Code:

A1

Abstract:

A plasma display comprising a noise filter circuit connected with an AC power supply, having a noise filter (253), and arranged on the back side of a plasma display panel, and a back cover (12) of magnetic metallic material arranged on the back side of the plasma display panel to cover the noise filter circuit. The line of magnetic force in the core of a magnetic body constituting the noise filter (253) has substantially the same direction as the in-plane direction of the back cover (12). According to the arrangement, the quantity of leakage flux passing through the back cover (12) can be reduced and thereby the noise can be reduced.

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Inventors:

KAWAGUCHI TAKAO (JP)
FUJIMURA TOSHIO (JP)

Application Number:

PCT/JP2003/004199

Publication Date:

October 16, 2003

Filing Date:

April 02, 2003

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
KAWAGUCHI TAKAO (JP)
FUJIMURA TOSHIO (JP)

International Classes:

H04N5/66; G09F9/00; G09F9/313; H01J11/44; H01J17/34; H01J17/49; H04N5/645; (IPC1-7): G09F9/00

Foreign References:

JP2000196977A	2000-07-14
JP2001068031A	2001-03-16
JP2001358494A	2001-12-26
JP2002006757A	2002-01-11
JP2002258790A	2002-09-11
JPH0334694A	1991-02-14
JPH03165428A	1991-07-17
JPH07201581A	1995-08-04
JPH10199447A	1998-07-31
JPH10336687A	1998-12-18
JPH11330886A	1999-11-30
JP2000091143A	2000-03-31
JPH10125532A	1998-05-15

Other References: