Compact LED work light
First Claim
1. A work light comprising:
- a work light body including,a handle section and a light head section,an elongate housing extending through the handle section and the light head section,a battery compartment and a component chamber longitudinally aligned within the housing,a battery within the battery compartment,an LED circuit board assembly extending longitudinally within the housing and having a substrate layer, an external component layer on a first side of the substrate layer, and a driving component layer on an opposing second side of the substrate layer, wherein an overlapping portion of the LED circuit board assembly is placed in close proximity to the battery over the battery compartment,at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section, andat least one driving component on the driving component layer, all driving components on the driving components layer placed on an extending portion of the LED circuit board assembly that extends from the overlapping portion over the component chamber.
5 Assignments
0 Petitions
Accused Products
Abstract
A work light having a work light body including handle section and light head section, an elongate housing, a battery compartment and a component chamber longitudinally aligned within the housing, a battery, an LED circuit board assembly extending longitudinally within the housing and having a substrate layer, an external component layer on a first side of the substrate layer, and a driving component layer on an opposing second side of the substrate layer. Overlapping portion of the LED circuit board assembly in close proximity to the battery. Also, at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section. At least one driving component on the driving component layer, all driving components placed on an extending portion of the LED circuit board assembly over the component chamber.
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Citations
13 Claims
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1. A work light comprising:
a work light body including, a handle section and a light head section, an elongate housing extending through the handle section and the light head section, a battery compartment and a component chamber longitudinally aligned within the housing, a battery within the battery compartment, an LED circuit board assembly extending longitudinally within the housing and having a substrate layer, an external component layer on a first side of the substrate layer, and a driving component layer on an opposing second side of the substrate layer, wherein an overlapping portion of the LED circuit board assembly is placed in close proximity to the battery over the battery compartment, at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section, and at least one driving component on the driving component layer, all driving components on the driving components layer placed on an extending portion of the LED circuit board assembly that extends from the overlapping portion over the component chamber. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A work light comprising:
a work light body including, a handle section and a light head section, an elongate housing extending through the handle section and the light head section, an LED circuit board assembly having a substrate layer and an external component layer on a side of the substrate layer, the substrate layer formed of a thermally conductive material, the substrate layer is in thermal contact with the housing, and the housing is a heatsink formed of thermally conductive material, and at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section, wherein the housing comprises longitudinal grooves trapping longitudinal edges of the substrate layer to hold the substrate layer in thermal contact with the housing. - View Dependent Claims (8, 9, 10, 12, 13)
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11. A work light comprising:
a work light body including, a handle section and a light head section, an elongate housing extending through the handle section and the light head section, an LED circuit board assembly having a substrate layer and an external component layer on a side of the substrate layer, the substrate layer formed of a thermally conductive material, the substrate layer is in thermal contact with the housing, and the housing is a heatsink formed of thermally conductive material, and at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section, wherein a layer of the LED circuit board assembly other than the substrate layer is between the substrate layer and the housing, such layer is electrically resistive with low thermal resistance.
Specification