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Title:
OPTICAL PROPAGATION DEVICE, AND OPTICAL DISPLAY DEVICE AND ILLUMINATION DEVICE USING OPTICAL PROPAGATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/204041
Kind Code:
A1
Abstract:
Provided is an optical propagation device capable of collecting light emitted from a plurality of light sources without the need for a coupler, thereby achieving reduction in the production cost. The optical propagation device (1) at least comprises light sources (2), a MEMS optical switch (3), a switching control device (4), and optical waveguides (5). Each light source (2) has a fixed output with the emitted light having a wavelength range between 445 nm and 700 nm. The MEMS optical switch (3) is composed of n × m (n ≥ 2, m ≥ 1) optical switches. Each light source (2) is optically connected to respective input port (11) and each optical waveguide (5) is optically connected to respective output port (12). Each input port (11) is switched at fixed cycles by the switching control device (4) and optically connected to respective optical waveguide (5) at each cycle, thereby propagating the light emitted from the light source (2) to the optical waveguide (5).

Inventors:
YAMAUCHI Kenya (16-7, Shinden 1-chome, Adachi-k, Tokyo 95, 〒1238595, JP)
SATO Masakazu (16-7, Shinden 1-chome, Adachi-k, Tokyo 95, 〒1238595, JP)
ISHIKAWA Masanori (16-7, Shinden 1-chome, Adachi-k, Tokyo 95, 〒1238595, JP)
KANBARA Daisuke (16-7, Shinden 1-chome, Adachi-k, Tokyo 95, 〒1238595, JP)
Application Number:
JP2017/018420
Publication Date:
November 30, 2017
Filing Date:
May 16, 2017
Export Citation:
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Assignee:
ADAMANT CO., LTD. (16-7, Shinden 1-chome Adachi-k, Tokyo 95, 〒1238595, JP)
International Classes:
G02B6/35; F21V8/00; G02B26/08; H01S5/022; F21Y115/10; F21Y115/30
Foreign References:
US20030198429A12003-10-23
JP2013511749A2013-04-04
JP2010514108A2010-04-30
JP2005224530A2005-08-25
JP2014050002A2014-03-17
JP2015052626A2015-03-19
JP2004146793A2004-05-20
Attorney, Agent or Firm:
HOSOI Isamu et al. (Ginzachikuyotei Bldg. 8F, 8-19-3 Ginza, Chuo-k, Tokyo 61, 〒1040061, JP)
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