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:
Sep. 24, 2019
Filed:
May. 10, 2016
Ams Ag, Unterpremstaetten, AT;
Yu Wang, Plano, TX (US);
Other;
Abstract
An optical sensor arrangement comprises an emitting device (E) and a detection device (D) configured to emit and detect, respectively, electromagnetic radiation and a cover (C) arranged to cover the emitting and the detection device (E, D). The sensor arrangement comprises a first cover layer (C) partially covering an inner surface of the cover (C) and having a first and a second opening located above the emitting and the detection device (E, D), respectively. The sensor arrangement comprises a second and a third cover layer (C, C) covering the inner surface at areas of the first and the second opening. A reflection and/or an absorption characteristics of at least one of the second and third cover layer (C, C) is adapted to a reflection and/or an absorption characteristics of the first cover layer (C) for incident light within the specified spectrum.