Sensor device having a housing with at least two cavities

US12053259B2 · kind B2 · utility

Assignee

• Osram OLED GMBH · DE

Inventors

• Faina Esser · Regensburg, DE
• Claus Jaeger · Regensburg, DE
• Stephan Haslbeck · Regensburg, DE

Key dates

• Filing date: Mar 12, 2019
• Grant date: Aug 6, 2024
• Expiry date: Nov 1, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2562/185
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In an embodiment a sensor device includes a housing having at least a first cavity and a second cavity, at least one light emitter arranged in the first cavity and at least one light detector arranged in the second cavity, wherein each of the cavities has an opening at an underside of the housing so that light from the respective cavity is passable to the outside and/or from the outside into the respective cavity, wherein each of the cavities includes a bottom opposite the underside of the housing and a peripheral side wall extending between the bottom and the underside of the housing, wherein at least one of the cavities is filled with an absorbing material from the bottom to a specified height, and with a transparent material from the specified height to a height of the underside of the housing, and wherein the light detector is arranged on the bottom of the second cavity.