LCD-BACKLIGHTING UNIT WITH IMPROVED COOLING FACILITIES

WIPO Patent Application WO2006000940

A3

The invention relates to a backlight module for backlighting an LCD-display unit, comprising holding means for holding a number of substantially longitudinal fluorescent lamps (1), wherein each of the lamps comprises a glass envelope (2), supply means for energizing said lamps, and cooling means for removing at least part of the heat developed by the lamps, wherein the cooling means comprise at least a first metal heat-conducting body (5) which is thermally coupled to the glass envelope of at least one the lamps, and wherein the cooling means are in contact with only a limited surface area of the glass envelope of said at least one lamp. The provision of a heat-conducting body renders it possible to relocate the control mechanism further away, so that a screening of the light-emitting surface of the lamp is reduced. This holds good for any possible control equipment and for other voluminous parts of the heat-conducting systems.

JPS63131460	HIGH-TENSION DISCHARGE LAMP DEVICE
JPS55111057	HIGH PRESSURE SODIUM DISCHARGING DEVICE
JPS61253743	MANUFACTURE OF HIGH PRESSURE METALLIC VAPOR DISCHARGE LAMP

MIES CORNELIS J (NL)
VERSLUIJS CORNELIS (NL)
VAN UIJTREGT HANS (NL)

PCT/IB2005/051947

May 11, 2006

June 13, 2005

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KONINKL PHILIPS ELECTRONICS NV (NL)
MIES CORNELIS J (NL)
VERSLUIJS CORNELIS (NL)
VAN UIJTREGT HANS (NL)

H01J61/52; G02F1/13357

US20040076006A1

2004-04-22

PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05)
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 11 30 September 1998 (1998-09-30)

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