Patent · US Active

Lighting means having a specifiable emission characteristic and production method for an optical element

US9976708B2 · kind B2 · utility

3Cited by

0References

18Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Sandra Sobczyk · Regensburg, DE
Frank Singer · Regenstauf, DE
Wolfgang Moench · Baden-Baden, DE
Matthias Sabathil · Regensburg, DE

Key dates

Filing date	Jan 16, 2015
Grant date	May 22, 2018
Priority date	—
Expiry date	Jan 16, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a lighting means (1), comprising: an optical element (3), which has a main extension direction (Z), a radiation inlet surface (3a), and a radiation outlet surface (3b); and at least two light-emitting diodes (2), which each comprise at least one light-emitting diode chip (21) and a radiation passage surface (2a), which extends along a main extension plane (XZ); wherein the at least two lighting-emitting diodes (2) are arranged along the main extension direction (Z) of the optical element (3), the radiation inlet surface (3a) of the optical element (3) faces the radiation passage surfaces (2a) of the at least two light-emitting diodes (2), the optical element (3) is formed as a solid body, the radiation inlet surface (3a) of the optical element (3) is flat or convexly curved, and the radiation outlet surface (3b) of the optical element (3) comprises at least one recess (4) in the optical element (3).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.