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Patent Searching and Data


Title:
BACKLIGHT DEVICE AND LIQUID-CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/002307
Kind Code:
A1
Abstract:
A backlight device according to the present invention includes: a plurality of light sources arranged in a matrix; a reflection sheet that reflects light emitted from the plurality of light sources and includes partition walls disposed so as to surround four sides of each of the plurality of light sources; a brightness-uniformizing plate disposed above the reflection sheet to make the brightness of the light emitted from the plurality of light sources and the brightness of the light reflected by the reflection sheet uniform; and a support member for supporting the brightness-uniformizing plate. The reflection sheet has an opening in at least one of the partition walls disposed on the four sides, at a position other than four corners of that partition wall. The support member is disposed in the opening and has a cover part that covers the opening.

Inventors:
YAMANO YOSHIKAZU
SASAKI HISANORI
KUMAMOTO YASUHIRO
Application Number:
PCT/JP2016/002713
Publication Date:
January 05, 2017
Filing Date:
June 06, 2016
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21S2/00; G02F1/13357; F21Y115/10
Foreign References:
JP2010135204A2010-06-17
JP2009140720A2009-06-25
US20080094830A12008-04-24
Other References:
See also references of EP 3318792A4
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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