摘要 |
An LED lighting device includes a plurality of parallel illumination assemblies each including an elongated metal bar and a plurality of LED elements secured to the bar, and a heat dissipation assembly comprising a metal substrate comprising a plurality of hollow posts arranged in rows on a top surface; a plurality of parallel metal units each comprising a rod releasably secured to both the substrate and the bar, the rod including a plurality of hollow, closed U-shaped members each partially fastened in the post; and a plurality of metal frame members for releasably securing the rods together.
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