Luminaire
AssigneesToshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba
InventorsMakoto Sakai, Takumi Suwa, Shinji Nakata, Michinobu Inoue, Izuru Komatsu, Daigo Suzuki, Kumiko Ioka, Kazuki Tateyama, Yasuhide Okada
Life of this patent
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Abstract
A luminaire according to embodiments includes a body portion, a light source provided at one end portion of the body portion and having a light-emitting element, a globe provided so as to cover the light source, and a thermal transfer portion thermally joined to at least either one of the globe or a thermal radiating surface of the body portion on the end portion side. Then, an end surface of the thermal transfer portion on the side of the globe is exposed from the globe.
Claims20
A luminaire comprising:
- a body portion;
- a light source provided at one end portion of the body portion and having a light-emitting element;
- a globe provided so as to cover the light source;
- and
- a thermal transfer portion thermally joined to at least either one of the globe or a thermal radiating surface of the body portion on the end portion side,
- wherein an end surface of the thermal transfer portion on the globe side is exposed from the globe.
A luminaire comprising:
- a body portion;
- a light source provided at one end portion of the body portion and having a light-emitting element;
- a globe provided so as to cover the light source;
- and
- a thermal transfer portion thermally joined to at least either one of the globe or a thermal radiating surface of the body portion on the end portion side and having a form in which a plurality of plate shaped members intersect each other,
- wherein an end surface of the thermal transfer portion on the globe side is exposed from the globe.
A luminaire comprising:
- a body portion;
- a substrate provided at one end of the body portion, and includes a light emitting element;
- a globe covering the light emitting element;
- and
- a thermal transfer portion having better thermal conductivity than the globe and thermally joined to the substrate, the thermal transfer portion including at least one curved structure configured to provide a sealed enclosure for the light emitting element together with the globe, the curved structure having an exterior surface extending from an outer periphery of the substrate to an apex of the globe.
Dependencies are inferred from the claim text.