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:
Jan. 16, 2024
Filed:
Jul. 26, 2021
Signify Holding B.v., Eindhoven, NL;
Ties Van Bommel, Horst, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Johannes Petrus Maria Ansems, Hulsel, NL;
Peter Johannes Martinus Bukkems, Deurne, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A light emitting device () comprising at least one LED light source () adapted for, in operation, emitting light source light, and an elongated light guide () comprising a height direction (H), a width direction (W), a depth direction (D), a longitudinal axis (L) extending in the height direction (H), a first major surface () and a second major surface () arranged extending opposite to the first major surface in the depth direction (D), a first minor surface () and a second minor surface () arranged extending opposite to the first minor surface in the width direction (W), and a first end () and a second end () arranged extending opposite to the first end in the height direction (H), where the elongated light guide () further comprises at least one light in-coupling element () configured to couple the light source light into the elongated light guide and at least one light out-coupling element () configured to couple the light source light out of the elongated light guide, where the elongated light guide () is twisted around the longitudinal axis (L), and where the at least one light out-coupling element () is elongated.