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US 2019/0196090 A1Published application
Light guide element, light guide unit and illumination device
AssigneeOMRON Corporation
InventorsYuto Mori, Gouo Kurata, Norikazu Kitamura
Life of this patent
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Abstract
A light guide element includes: an incidence surface wherefrom light enters from a light source; a first reflection surface configured to totally reflect at least a portion of the light entering from the incidence surface; a second reflection surface configured to totally reflect at least a portion of the light totally reflected by the first reflection surface as parallel light; and an emission surface configured to emit the parallel light totally reflected by the second reflection surface.
Claims20
A light guide element comprising:
- an incidence surface wherefrom light from a light source enters;
- a first reflection surface configured to totally reflect at least a portion of the light entering from the incidence surface;
- a second reflection surface configured to totally reflect at least a portion of the light totally reflected by the first reflection surface as parallel light;
- and
- an emission surface configured to emit the parallel light totally reflected by the second reflection surface.
2 more elements
Dependencies are inferred from the claim text.