Lighting device
First Claim
Patent Images
1. A lighting device comprising:
- a substrate;
a light emitting device disposed on the substrate;
a heat sink to radiate heat from the light emitting device; and
a pad being interposed between the substrate and the heat sink and transferring heat generated from the light emitting device to the heat sink and comprising silicon of 10 to 30 wt °
A, a filler of 70 to 90 wt %, glass fiber of 2 to 7 wt % in terms of weight percent (wt %), wherein the light emitting device includes an LED.
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Abstract
Disclosed is a lighting device. The lighting device includes:
- a substrate;
- a light emitting device disposed on the substrate;
- a heat radiating body radiating heat from the light emitting device; and
- a pad being interposed between the substrate and the heat radiating body and transferring heat generated from the light emitting device to the heat radiating body and comprising silicon of 10 to 30 wt %, a filler of 70 to 90 wt %, glass fiber of 2 to 7 wt % in terms of weight percent (wt %).
35 Citations
20 Claims
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1. A lighting device comprising:
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a substrate; a light emitting device disposed on the substrate; a heat sink to radiate heat from the light emitting device; and a pad being interposed between the substrate and the heat sink and transferring heat generated from the light emitting device to the heat sink and comprising silicon of 10 to 30 wt °
A, a filler of 70 to 90 wt %, glass fiber of 2 to 7 wt % in terms of weight percent (wt %), wherein the light emitting device includes an LED. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A lighting device comprising:
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a substrate; a light emitting device disposed on the substrate; a heat sink to radiate radiating heat from the light emitting device; and a pad being interposed between the substrate and the heat sink and comprising a plurality of layers and comprising silicon of 10 to 30 wt % and a filler of 70 to 90 wt % in terms of weight percent (wt %), wherein the light emitting device includes an LED. - View Dependent Claims (17, 18)
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19. A lighting device comprising:
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a light emitting module substrate comprising a plurality of light emitting devices; a pad being disposed on one side of the light emitting module substrate and comprising a plurality of layers and comprising a glass fiber and a filler of 70 to 90 weight (wt) % in terms of weight percent (wt %); a heat sink comprising a receiving groove for receiving the pad and the light emitting module substrate so that one side of the heat sink contacts with the pad; an outer case being spaced apart at a predetermined interval from the outer surface of the heat sink and surrounding the heat sink, wherein each of the light emitting devices includes an LED. - View Dependent Claims (20)
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Specification