Led light bulb with improved illumination and heat dissipation

F - Mech Eng,Light,Heat,Weapons – 21 – K

Patent

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Details

F21K 99/00 (2010.01) H01L 33/00 (2010.01)

Patent

CA 2687529

The present invention relates to an LED light bulb having a centralized light source with forward cooling and can be used as a replacement bulb. The LED light bulb (300) of the present invention comprises a light source (340) having first and second LED modules (343, 345) arranged and mounted on opposite sides of a support block (334) such that a uniform lighting including up and down lights can be provided. As the light source (340) and the support block (334) are physically arranged toward the front portion of the light bulb and as conducive structures (332, 336) are provided to extend directly in front of the light source (340), heat originated from the light source (340) is effectively and efficiently dissipated to the ambient utilizing the space and structures configured at the front portion of the light bulb.

La présente invention est liée à une ampoule d'éclairage à diodes électroluminescentes (DEL) ayant une source lumineuse centralisée avec un refroidissement avant et pouvant être utilisé comme ampoule de remplacement. L'ampoule d'éclairage à diodes électroluminescentes (300) de la présente invention comporte une source lumineuse (340) ayant un premier et un deuxième modules de DEL (343, 345) disposés et montés sur les côtés opposés d'un bloc de support (334) de manière à ce qu'un éclairage uniforme y compris un éclairage de haut en bas puisse être fourni. Étant donné que la source lumineuse (340) et le bloc de support (334) sont disposés physiquement vers la partie avant de l'ampoule et étant donné que les structures propices (332, 336) sont fournies de manière à s'étendre directement en avant de la source lumineuse (340), la chaleur produite par la source lumineuse (340) est dissipée d'une manière efficace et efficiente à l'air ambiant à l'aide de l'espace et des structures configurées dans la partie avant de l'ampoule.

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