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US 12,693,466 B2Granted
Light guide element for display boards
AssigneeBremicker Verkehrstechnik GmbH
InventorHerbert Dopfer
Life of this patent
Estimating the term…
Abstract
A light guide element (100) for display boards, comprising a light guide rod (101) for introducing light from a light source (103); and a free-form lens (105) for emitting the light from the light guide rod (101) as a diverging bundle of rays (107).
Claims14
A light guide element for display boards, the light guide element comprising:
- a light guide rod configured to introduce light light source, the light guide rod having a circumferentially edge-free side surface;
- and
- a free-form lens configured to emit the light from the light guide rod as a diverging bundle of rays.
A method of emitting light by a light guide element for a display board, the method comprising:
- introducing light from a light source into a light guide rod, the light guide rod having a circumferentially edge-free side surface;
- and
- emitting the light from the light guide rod through a free-form lens as a diverging bundle of rays.
Dependencies are inferred from the claim text.