Back to results
US 8,237,365 B2Granted
Enclosed high pressure discharge lamp
AssigneeOSRAM GmbH
InventorsJoachim Arndt, Uwe Fidler, Ralph Hauschild
Life of this patent
Estimating the term…
Abstract
In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic.
Claims10
A high-pressure discharge lamp, comprising:
- a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic.
A high-pressure discharge lamp, comprising:
- a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic;
- and
- wherein a tube surrounds the outer bulb at the level of the discharge vessel, below the sleeve, wherein the material of the tube is more heat-resistant than that of the sleeve.
Dependencies are inferred from the claim text.