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Patent Searching and Data


Title:
OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/150663
Kind Code:
A1
Abstract:
An optical device (1) equipped with a translucent first substrate (10), a translucent second substrate (20) that faces the first substrate (10), a light distribution layer (30) which distributes incident light and is positioned between the first substrate (10) and the second substrate (20), and a first electrode layer (40) and a second electrode layer (50) which are positioned so as to face one another with the light distribution layer (30) sandwiched therebetween, wherein: the light distribution layer (30) includes a relief structure layer (31) having a plurality of projecting sections (33), and also includes a variable refractive index layer (32) which is positioned so as to fill the intervals between the plurality of projecting sections (33), and in which the refractive index changes according to the voltage applied between the first electrode layer (40) and the second electrode layer (50); and the relief structure layer (31) includes a reinforcing layer (35) for reinforcing the intervals between the plurality of projecting sections (33).

Inventors:
KITAMURA Kazuki
ITO Norihiro
IDE Nobuhiro
Application Number:
JP2017/040735
Publication Date:
August 23, 2018
Filing Date:
November 13, 2017
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
G02F1/13; E06B5/00; G02B5/00; G02F1/1333
Domestic Patent References:
WO2016163079A12016-10-13
WO2016129267A12016-08-18
WO2016185692A12016-11-24
Foreign References:
JP2015175141A2015-10-05
US4850682A1989-07-25
Attorney, Agent or Firm:
KAMATA Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
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