Title:
光拡散用サブ格子のアレイ
Document Type and Number:
Japanese Patent JP5508255
Kind Code:
B2
Abstract:
The invention relates to a transparent substrate comprising, on its surface, a light-diffusing array comprising at least 10 juxtaposed sub-gratings of parallel lines of features, said features being separated by domains with a refractive index differing from that of the features, each sub-grating comprising at least 20 repeated successive identical features equally spaced apart with a period p, said period varying non-monotonically from one edge of the sub-grating array to the other. This substrate redirects the light without iridescence in a daylighting application.
Inventors:
Guerlain, Paul-Henri
Menez, Rudyban
Muret, Jean-Philippe
Menez, Rudyban
Muret, Jean-Philippe
Application Number:
JP2010504798A
Publication Date:
May 28, 2014
Filing Date:
April 16, 2008
Export Citation:
Assignee:
Saint-Gobain Glass France
International Classes:
G02B5/18; F21S11/00
Domestic Patent References:
| JP4175702A |
Foreign References:
| US5009484 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Yoshio Mizutani
Kei Mori
Jun Tsuruta
Yoshio Mizutani
Kei Mori