Title:
PANEL MEMBER AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/157550
Kind Code:
A1
Abstract:
Provided is a panel member (20) comprising: a light control sheet (40) having a first surface (41) and a second surface (42) that are arranged so as to face one another; and a light reflecting sheet (30) that is arranged so as to face the second surface of the light control sheet. The second surface of the light control sheet comprises a plurality of first inclined surfaces (61) and a plurality of second inclined surfaces (62) that are arranged in one direction. The first inclined surfaces and the second inclined surfaces are arranged alternately in the one direction. In a cross section that is parallel to both the normal direction of the light control sheet and the one direction, the first inclined surfaces and the second inclined surfaces are inclined in a direction that is the opposite of the normal direction of the light control sheet.
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Inventors:
GOTO MASAHIRO (JP)
SEKIGUCHI HIROSHI (JP)
YAGI TAKAHIRO (JP)
SEKIGUCHI HIROSHI (JP)
YAGI TAKAHIRO (JP)
Application Number:
PCT/JP2013/061308
Publication Date:
October 24, 2013
Filing Date:
April 16, 2013
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G02B5/02; F21S8/00; F21V7/00; G02B5/08; G03B21/60
Foreign References:
| JPH11174214A | 1999-07-02 | |||
| JP2008299219A | 2008-12-11 | |||
| JP2013088543A | 2013-05-13 | |||
| JP2012133081A | 2012-07-12 |
Attorney, Agent or Firm:
KATSUNUMA Hirohito et al. (JP)
Katsunuma Hirohito (JP)
Katsunuma Hirohito (JP)
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