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Title:
A LIGHT GUIDING UNIT
Document Type and Number:
WIPO Patent Application WO/2019/137831
Kind Code:
A1
Abstract:
There is provided a light guiding unit (10) for use in an oral cleaning device. The light guiding unit is configured to be coupled to a light source (50), and the light guiding unit comprises a homogenizing component (110) having a length along which light from the light source is guided. The homogenizing component is further configured such that at least one of an amount of refraction of the guided light and an amount of internal reflection of the guided light varies along the length to homogenize, along the length of the homogenizing component, an amount of light transmitting out of the homogenizing component.

Inventors:
VUGTS MARINUS ARNOLDUS MARTINUS (NL)
BLOEMEN PASCAL JEAN HENRI (NL)
Application Number:
EP2019/050004
Publication Date:
July 18, 2019
Filing Date:
January 02, 2019
Export Citation:
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Assignee:
KONINKLIJKE PHILIPS NV (NL)
International Classes:
A46B9/04; A46B15/00
Domestic Patent References:
WO2017129509A12017-08-03
Foreign References:
US20120137454A12012-06-07
Other References:
None
Attorney, Agent or Firm:
FREEKE, Arnold et al. (NL)
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