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公开(公告)号：EP0306269B1
公开(公告)日：1996-10-30
申请号：EP88308020.2
申请日：1988-08-30
CPC分类号： H01J61/045 , H01J61/34
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公开(公告)号：EP0306269A2
公开(公告)日：1989-03-08
申请号：EP88308020.2
申请日：1988-08-30
CPC分类号： H01J61/045 , H01J61/34
摘要： A double-enveloped lamp (10) has a shield (28) surrounding a light-source capsule (20) within a thick-walled outer envelope (12) so that the lamp (10) may be safely operated without necessity of a protective fixture. In the rare event of a burst of the light-source capsule (20), the shield (28) absorbs and dissipates a portion of the burst energy sufficient to permit the thick-walled outer envelope (12) to remain intact and contain shards and other internal parts within the lamp (10).
In alternate embodiments, the shield (28) may be reinforced, such as with a wire mesh (50), or the outer envelope (12) may be reinforced, such as with a polymer coating, or both. A thin-walled capsule (20) may be employed in combination with a shield (28) and thick outer envelope (12).
A lamp (10) in accordance with the invention provides the unexpected benefits of improved luminous efficacy and better color rendering characteristics, since the presence of an optimally positioned shield (28) causes the operation of the light-source capsule (20) to be more nearly isothermal.摘要翻译： 双包层灯（10）具有围绕厚壁外壳（12）内的光源胶囊（20）的屏蔽（28），使得灯（10）可以安全地操作，而不需要保护夹具 。 在罕见的光源胶囊（20）爆发的情况下，屏蔽件（28）吸收并消散爆裂能量的一部分，足以允许厚壁外壳（12）保持完整并且包含碎片和 灯（10）内的其他内部部件。 在替代实施例中，屏蔽件（28）可以被加强，例如用金属丝网（50），或者外壳（12）可以被加强，例如用聚合物涂层或两者。 薄壁胶囊（20）可以与屏蔽（28）和厚外壳（12）组合使用。 根据本发明的灯（10）提供了改进的发光效率和更好的显色特性的意想不到的益处，因为存在最佳定位的屏蔽（28）导致光源胶囊（20）的操作更多 几乎等温。
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公开(公告)号：EP0306269A3
公开(公告)日：1991-01-23
申请号：EP88308020.2
申请日：1988-08-30
CPC分类号： H01J61/045 , H01J61/34
摘要： A double-enveloped lamp (10) has a shield (28) surrounding a light-source capsule (20) within a thick-walled outer envelope (12) so that the lamp (10) may be safely operated without necessity of a protective fixture. In the rare event of a burst of the light-source capsule (20), the shield (28) absorbs and dissipates a portion of the burst energy sufficient to permit the thick-walled outer envelope (12) to remain intact and contain shards and other internal parts within the lamp (10). In alternate embodiments, the shield (28) may be reinforced, such as with a wire mesh (50), or the outer envelope (12) may be reinforced, such as with a polymer coating, or both. A thin-walled capsule (20) may be employed in combination with a shield (28) and thick outer envelope (12). A lamp (10) in accordance with the invention provides the unexpected benefits of improved luminous efficacy and better color rendering characteristics, since the presence of an optimally positioned shield (28) causes the operation of the light-source capsule (20) to be more nearly isothermal.
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