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US 6,150,758 AGranted
Noble gas discharge lamp having external electrodes with first and second openings and a specified amount of fluorescent coating material
AssigneeNEC Corporation
InventorSatoshi Tamura
Life of this patent
Estimating the term…
Abstract
A noble gas discharge lamp of the present invention comprises an outer enclosure comprising a light emitting layer comprising at least one fluorescent substance, the light emitting layer formed therein and a pair of outer electrodes having tape shapes comprise a metal, which are adhered to the entire length of the outside of the outer enclosure so as to separate one outer electrode and the other outer electrode at a certain distance, and to form a first opening portion and a second opening portion; wherein the coated amount of fluorescent substance is in a range of 5 to 30 mg/cm.sup.2.
Claims10
A noble gas discharge lamp comprising of:
- an outer enclosure comprising a light emitting layer comprising at least one fluorescent substance, the light emitting layer formed therein, and
- a pair of outer electrodes having tape shapes comprise a metal, which are adhered to the entire length of the outside of the outer enclosure so as to separate one outer electrode and the other outer electrode at a certain distance, and to form a first opening portion and a second opening portion;
- wherein the coated amount of fluorescent substance is in a range of 5 to 30 mg/cm.sup.2.
Dependencies are inferred from the claim text.