Patent · US Active

Luminance regulation in edge regions

US10189397B2 · kind B2 · utility

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0References

10Claims

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Assignee

OSRAM GmbH · DE

Inventors

Roland Fiederling · Friedberg, DE
Ronny Kürschner · Hemau, DE
Thomas Feil · Iggingen, DE

Key dates

Filing date	Sep 7, 2016
Grant date	Jan 29, 2019
Priority date	—
Expiry date	Sep 7, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

According to the present disclosure, a method for operating an illumination apparatus is provided. The method has at least two light-emitting devices, which are arranged next to one another separated by a gap and each have a multiplicity of light-emitting elements, by individually driving all light-emitting elements of each light-emitting device, measuring a gap width of the gap and/or a luminance in the gap, and controlling or regulating in each case a luminance of one or more of the light-emitting elements which are arranged directly at the gap in dependence on the gap width and/or on the luminance in the gap.

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