Discharge tube, ferrule, lighting device, display device and television receiver
AssigneesSharp Kabushiki Kaisha, Japan Aviation Electronics Industry, Limited
InventorsYoshiki Takata, Kenichi Iwamoto, Takaaki Kudo
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Abstract
In a discharge tube, a conductive ferrule is provided on an end portion of a glass tube. The ferrule includes a body that is to be mounted to the outer circumference of the glass tube and has a contact portion to be electrically conductively fixed to a relay connector (or a bearing device). Further included is a conductive portion that extends from the body so as to have elastic contact with an outer lead. The outer lead will not be under load due to the weight of the discharge tube, but the conductive portion solely has elastic contact therewith. Thus, stress concentration on the outer lead can be prevented.
Claims8
A discharge tube comprising:
- a glass tube;
- an outer lead projecting from an end portion of said glass tube and configured to receive electrical power;
- and
- a ferrule including:
- a body mounted to an outer circumference of said glass tube and configured to receive electrical power;
- and
- a cantilevered conductive portion extending from said body and including a planar portion, said planar portion extending along a projecting direction of said outer lead and being in contact with a side surface of said outer lead.
Dependencies are inferred from the claim text.