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Title:
BACKLIGHT UNIT FOR VEHICLES AND DISPLAY DEVICE FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2011/099633
Kind Code:
A1
Abstract:
Disclosed is a backlight unit for vehicles, which makes possible a bright backlight which can accommodate in-vehicle temperature conditions. Specifically disclosed is a backlight unit for vehicles that has a plurality of light sources (21) that illuminate a display from the back, and a circuit board (22) that is provided behind the aforementioned display and has the aforementioned plurality of light sources installed thereupon, said backlight unit for vehicles being characterized by having a heat-radiating means (23) that is placed facing the back surface of the aforementioned circuit board (22), a heat conducting material (24) that conducts heat from the aforementioned circuit board (22) to the aforementioned heat-radiating means (23), and a pressure bonding means (25) that fixes the aforementioned circuit board (22) and the aforementioned heat conduction material (24) to the aforementioned heat-radiating means (23), and pressure bonds the aforementioned heat conduction material (24) onto both the aforementioned circuit board (22) and the aforementioned heat-radiating means (23).

Inventors:
MATSUSHITA JUNICHI
AOKI KUNIMITSU
Application Number:
PCT/JP2011/053178
Publication Date:
August 18, 2011
Filing Date:
February 15, 2011
Export Citation:
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Assignee:
YAZAKI CORP (JP)
MATSUSHITA JUNICHI
AOKI KUNIMITSU
International Classes:
B60K35/00; F21V29/00; F21S2/00; G02F1/13; F21Y101/02
Foreign References:
JPH0850458A1996-02-20
JP2002093206A2002-03-29
JP2002299700A2002-10-11
JP2005311034A2005-11-04
JP2010030470A2010-02-12
Attorney, Agent or Firm:
HONDA Hironori et al. (JP)
Hironori Honda (JP)
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