The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2021
Filed:
Jan. 02, 2019
Koninklijke Philips N.v., Eindhoven, NL;
Marinus Arnoldus Martinus Vugts, Beetsterzwaag, NL;
Pascal Jean Henri Bloemen, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
There is provided a light guiding unit () for use in an oral cleaning device. The light guiding unit is configured to be coupled to a light source (), and the light guiding unit comprises a homogenizing component () 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.