Title:
OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/185684
Kind Code:
A1
Abstract:
This optical device (1) is equipped with: a translucent first asperity layer (10) having a main surface (10a) on which a plurality of convex parts (11) are provided at prescribed spacing, and a main surface (10b) facing the back of the main surface (10a); a translucent second asperity layer (20) facing the main surface (10b), and having a main surface (20a) on which a plurality of concave parts (21) are provided; and high-refractive index members (30) provided to the plurality of concave parts (21), the high-refractive index members (30) having a higher refractive index than the second asperity layer (20). The main surface (10a) has planar parts (12) between neighboring convex parts (11), and each of the plurality of concave parts (21) is provided at a location facing the back of a planar part (12).
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Inventors:
MIYAMOTO AKIHITO
OSADA YOSHICHIKA
OSADA YOSHICHIKA
Application Number:
PCT/JP2016/002258
Publication Date:
November 24, 2016
Filing Date:
May 09, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B5/02; B32B3/26; B32B7/023; E06B5/00; F21S11/00; G02B5/00; G02F1/13
Domestic Patent References:
| WO2014147793A1 | 2014-09-25 |
Foreign References:
| US20140311570A1 | 2014-10-23 | |||
| US5880886A | 1999-03-09 | |||
| JP2012255951A | 2012-12-27 | |||
| JP2013156554A | 2013-08-15 | |||
| JP2003066440A | 2003-03-05 | |||
| JP2003100129A | 2003-04-04 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
鎌田 健司 (JP)
鎌田 健司 (JP)
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