Patent · US Active

Gas-discharge lamp for a vehicle headlamp

US10325769B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

KONINIKLIJKE PHILIPS N.V. · NL

Inventors

Lukas Kuepper · Aachen, DE
Hans-Alo Dohmen · Aldenhoven, DE
Thorsten Lenzen · Aachen, DE

Key dates

Filing date	Dec 4, 2015
Grant date	Jun 18, 2019
Priority date	—
Expiry date	Dec 4, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/54
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention describes a gas-discharge lamp comprising an inner vessel enclosing a pair of electrodes separated by a gap; and an outer vessel enclosing the inner vessel; and wherein the lamp comprises a lateral stripe arranged on the surface of a vessel such that the lateral stripe lies below a horizontal plane through a longitudinal axis through the center of the lamp, and wherein the lateral stripe extends essentially only over a region corresponding to the gap between the electrodes.

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