Title:
LIGHT REFLECTOR AND PLANAR LIGHT SOURCE DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2010/064431
Kind Code:
A1
Abstract:
Provided is a light reflector formed by a layered film having a structure obtained by layering: a brightness increasing layer (II) formed by a single-axis drawn film containing a thermoplastic resin and filler; and a reflection layer (I) formed by a two-axis drawn film containing a thermoplastic resin and filler. The brightness increasing layer (II) has a reflection coefficient in the range from 60 to 100 %. The surface of the light reflector at the reflection layer (I) side has a reflection coefficient in the range from 98 to 100 % and a relative brightness value in the range from 106 to 115 cd/m2.
Inventors:
HIROI YOUSUKE (JP)
UEDA TAKAHIKO (JP)
UEDA TAKAHIKO (JP)
Application Number:
PCT/JP2009/006577
Publication Date:
June 10, 2010
Filing Date:
December 03, 2009
Export Citation:
Assignee:
YUPO CORP (JP)
HIROI YOUSUKE (JP)
UEDA TAKAHIKO (JP)
HIROI YOUSUKE (JP)
UEDA TAKAHIKO (JP)
International Classes:
G02B5/08; F21S2/00; F21V7/22; G02F1/13357; F21Y103/00
Domestic Patent References:
| WO2006064907A1 | 2006-06-22 |
Foreign References:
| JP2007148391A | 2007-06-14 | |||
| JP2006018244A | 2006-01-19 | |||
| JPH08262208A | 1996-10-11 | |||
| JP2002031704A | 2002-01-31 |
Attorney, Agent or Firm:
SIKs & Co. (JP)
Patent business corporation patent firm Sykes (JP)
Patent business corporation patent firm Sykes (JP)
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