Title:
光デバイス
Document Type and Number:
Japanese Patent JP6418065
Kind Code:
B2
Abstract:
An optical device includes a light guide plate configured to guide light within a plane parallel to an emission surface, and a plurality of light focusing portions to which the light guide plate guides directional light. Each of the plurality of light focusing portions is provided with an optical surface configured to create from the directional light incident thereon emission light in a direction substantially converging on a single convergence point or convergence line in a space or to create emission light that substantially diverges from a single convergence point of convergence line in a space and exits from the emission surface. The plurality of light focusing portions are provided near the emission surface of the light guide plate, and each of the plurality of light focusing portions is formed along a predetermined line within a plane parallel to the emission surface.
Inventors:
Masayuki Shinohara
Tomokazu Kitamura
Yasuhiro Tagami
Mitsuru Okuda
Kazuyuki Okada
Tomokazu Kitamura
Yasuhiro Tagami
Mitsuru Okuda
Kazuyuki Okada
Application Number:
JP2015103479A
Publication Date:
November 07, 2018
Filing Date:
May 21, 2015
Export Citation:
Assignee:
OMRON Corporation
International Classes:
G02B27/22; G02B3/08; G02B5/00; G02B5/18; G02B6/122; G03B35/24
Domestic Patent References:
| JP2009540440A | ||||
| JP2008275922A | ||||
| JP2005510603A |
Foreign References:
| US20140026837 |
Attorney, Agent or Firm:
Longhua International Patent Service Corporation