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Patent Searching and Data


Title:
OPTICAL FILTER AND DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/098810
Kind Code:
A1
Abstract:
This optical filter is provided with a structure 1 which contains a green pigment and a black pigment, and which satisfies the conditions (i) and (ii) described below. A device of the present invention is provided with this optical filter. (i) The average transmittance of light having a wavelength of 400-730 nm is 2% or less. (ii) The optical filter has a continuous wavelength range of 50 nm, where the average transmittance is 80% or more, within the wavelength range of 800-1,000 nm.

Inventors:
ISHIDO So (8, Machiikedai 1-chome, Koriyama-sh, Fukushima 15, 〒9630215, JP)
KOYANAGI Atsushi (8, Machiikedai 1-chome, Koriyama-sh, Fukushima 15, 〒9630215, JP)
Application Number:
JP2015/085221
Publication Date:
June 23, 2016
Filing Date:
December 16, 2015
Export Citation:
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Assignee:
ASAHI GLASS COMPANY, LIMITED (5-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1008405, JP)
International Classes:
G02B5/22; C09B67/22; H04N9/07; C09B29/15; C09B31/14; C09B57/00
Domestic Patent References:
WO2012091083A12012-07-05
WO2012169447A12012-12-13
Foreign References:
JP2014130173A2014-07-10
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (PMO Kanda Tsukasa-machi, 8-1 Kanda Tsukasa-machi 2-chome, Chiyoda-k, Tokyo 48, 〒1010048, JP)
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