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US 2019/0172699 A1Published application
Low-pressure discharge lamp
AssigneeLedvance GmbH
InventorArmin KONRAD
Life of this patent
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Abstract
A low-pressure discharge lamp (1) is provided in various exemplary embodiments. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure (7) is formed on an inner side (24) of the discharge vessel (2). The coating structure (7) comprises nanoscale phosphate particles (42) and/or nanoscale functional oxide. Alternatively or in addition, the phosphate particles (42) are free or at least approximately free of rare earth metals.
Claims20
A low-pressure discharge lamp comprising:
- a discharge vessel;
- and
- a coating structure, the coating structure is formed on an inner side of the discharge vessel, the coating structure comprises at least one material selected from the group consisting of nanoscale phosphate particles and nanoscale functional oxide.
A low-pressure discharge lamp comprising:
- a discharge vessel;
- and
- a coating structure formed on an inner side of the discharge vessel, the coating structure comprising phosphate particles, wherein a proportion of rare earth metals in the phosphate particles is less than 500 ppm.
(canceled)
Dependencies are inferred from the claim text.