SOLID STATE LAMP FOR RETROFIT

A solid state lamp for retrofit of an HID includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at...

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Bibliographische Detailangaben
Hauptverfasser:	FIRIS JAMES WILLIAM, RAMAIAH RAGHU, YODER BENJAMIN LEE, KNAPP THOMAS ALEXANDER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A solid state lamp for retrofit of an HID includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at least one aperture to vent the interior volume, and an intermediate circuit board within the capper assembly. The intermediate circuit board distributes electrical power to the circuit boards by tabs and contacts extending from the boards that are mechanically bonded together. An optical transmissive shield is positioned exterior to the circumferential array, and can include prismatic structures to direct light emitted from the LED sources in an off axis direction. 用于HID的改型的固态灯包括安装在电路板上的固态光源的周向阵列、位于灯的内部容积中的散热器以及定位在内部容积中以迫使气流穿过散热器的风扇。封盖组件包括用于对内部容积通风的至少个孔口以及封盖组件内的中间电路板。中间电路板通过机械结合在起的从板延伸出的凸片和触点将电力分配给电路板。透光屏蔽件被定位在周向阵列的外部，并且可以包括棱镜结构以在离轴方向上导向从LED源发射的光。