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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/163377
Kind Code:
This light distribution control device (1) is provided with a first electrode layer (40) and a second electrode layer (50) that are transparent and arranged opposite of each other, and a light distribution layer (30) that is arranged between the first electrode layer (40) and the second electrode layer (50). The light distribution layer (30) includes a first uneven structure layer (31a) arranged on the side of a first substrate (10) and having multiple first protrusions (33), a second uneven structure layer (31b) arranged on the side of a second substrate (20) and having multiple second protrusions (35), and a variable refractive index layer (32) which is arranged so as to fill between the first protrusions (33) and between the second protrusions (35). The variable refractive index layer (32) is provided with an insulating liquid (37), and a plurality of charged nanoparticles (38) which have a refractive index different from that of the insulating liquid (37) and which are distributed in the insulating liquid (37). The direction (x) in which the first protrusions (33) extend and the direction (z) in which the second protrusions (35) extend are perpendicular to each other.

SHIBATA, Masaomi
OZAKI, Chigusa
OTA, Masuyuki
Application Number:
Publication Date:
August 29, 2019
Filing Date:
January 23, 2019
Export Citation:
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PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
G02F1/167; E06B5/00
Attorney, Agent or Firm:
NII, Hiromori et al. (6F Tanaka Ito Pia Shin-Osaka Bldg., 3-10, Nishi Nakajima 5-chome, Yodogawa-ku, Osaka-cit, Osaka 11, 〒5320011, JP)
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