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US 10,502,371 B2Granted
LED-lamp
AssigneeLedvance GmbH
InventorsJin Hu, Tianzheng Jiang, Bernhard Rieder, Yonggang Xiao
Life of this patent
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Abstract
The lamp includes a substantially transparent housing tube, a first end cap at a first end of the housing tube and a second end cap at a second end of the housing tube. The end caps include contacts for electrically contacting a power supply. An LED-filament is arranged in the housing tube between the first end cap and the second end cap.
Claims20
A lamp comprising:
- a substantially transparent housing tube;
- a first end cap at a first end of the housing tube;
- a second end cap at a second end of the housing tube, wherein the end caps include contacts for electrically contacting a power supply;
- and
- a light emitting diode (LED)-filament arranged in the housing tube between the first end cap and the second end cap;
- wherein at least one driver for the LED-filament is provided, wherein a first driver is arranged at the first end cap and a second driver is arranged at the second end cap.
3 more elements
A lamp comprising:
- a substantially transparent housing tube;
- a first end cap at a first end of the housing tube;
- a second end cap at a second end of the housing tube, wherein the end caps include contacts for electrically contacting a power supply;
- and
- a light emitting diode (LED)-filament arranged in the housing tube between the first end cap and the second end cap;
- wherein a high thermal conductivity gas for heat dissipation from at least one LED-filament is provided in the housing tube.
3 more elements
Dependencies are inferred from the claim text.