LED LIGHT TUBE OF MODULE TYPE
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United States of America Patent
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app pub date -
Sep 6, 2013
filing date -
Sep 6, 2013
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Abstract
An LED light tube includes a modularized LED base having a recess, one illumination unit and one bridging unit being fixed in the recess, the illumination unit being constituted by LED dies and the bridging unit being constituted by conductive elements electrically connecting the LED dies; a heat dissipation base for receiving and supporting the modularized LED base thereon; a circuit unit disposed on the dissipation base to locate adjacent to one side of the recess; an optical layer covering the illumination unit and the bridging unit; a protection layer covering the optical layer; and a diffusion shield disposed above the dissipation base and having two peripheral sides formed with downwardly and inwardly bent projections slidably engaging two sliding grooves of the dissipation base, thereby enclosing the LED dies therein such that the diffusion shield is located above and transversely to a light emitting path of the LED dies.
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