Computing device with heat spreader
View Patent ↗The computing device includes an enclosure including a first structure, a second structure aligned parallel to the first structure and a third structure disposed between the first structure and the second structure, the third structure including a thermally non-conductive material, a heat generating element in contact with the third structure, and a flexible sheet in contact with the heat generating element and the second structure, the flexible sheet configured to conduct heat generated by the heat generating element away from the first structure and to a surface of the second structure.
1. A computing device, comprising:
an enclosure including a first structure, a second structure aligned parallel to the first structure and a third structure disposed between the first structure and the second structure, the third structure including a thermally non-conductive material;
a first element and a second element each in contact with the third structure, the first element being a processor and the second element being a non-processor element; and
a flexible sheet including:
a first portion having a first surface in contact with at least one of a surface of the first element and a thermally conductive material in contact with the surface of the first element and the first portion having a second surface in contact with at least one of a surface of the second structure and the thermally conductive material in contact with the surface of the second structure,
a second portion positioned substantially perpendicular to the third structure, and
a third portion in contact with a surface of the first structure and substantially parallel to the first portion, the flexible sheet configured to conduct heat generated by the first element away from the first structure and to a surface of the second structure, the flexible sheet including a cutout through which the second element is inserted.
2. The computing device of claim 1 , further comprising:
a plurality of keys positioned on the second structure, the plurality of keys each defining an air gap configured to dissipate the heat, wherein
the second structure and the plurality of keys are positioned with respect to one another such that the heat is dissipated from the second structure into the air gaps defined by the plurality of keys.
3. The computing device of claim 1 , further comprising:
a plurality of keys positioned on the second structure, the plurality of keys formed of a first material and each of the plurality of keys defining an air gap, wherein
the second structure is formed of a second material, the second material having a higher heat transfer coefficient than the first material, wherein
the second structure and the plurality of keys are positioned with respect to one another such that the heat is dissipated from the second structure into the air gaps defined by the plurality of keys.
4. The computing device of claim 1 , wherein
the thermally conductive material is a thermal gap pad configured to conduct heat generated by the first element to the first structure, and
the flexible sheet is in contact with the thermal gap pad.
5. The computing device of claim 1 , wherein
the first structure is a baseframe of the computing device configured to support a keyboard, and
the second structure is a bottom plate of the computing device.
6. The computing device of claim 1 , wherein
the second structure is a baseframe of the computing device configured to support a keyboard, and
the first structure is a bottom plate of the computing device.
7. The computing device of claim 1 , wherein the flexible sheet includes:
a first heat spreader element aligned along a first longitudinal axis; and
a second heat spreader element aligned along a second longitudinal axis non-parallel to the first longitudinal axis.
8. The computing device of claim 1 , wherein the flexible sheet includes a woven sheet of graphite strands.
9. The computing device of claim 1 , wherein the flexible sheet includes bonded graphite fiber.
10. The computing device of claim 1 , wherein the flexible sheet includes bonded graphite flakes.
11. A computing device, comprising:
an enclosure including a first structure, a second structure aligned parallel to the first structure, a third structure disposed between the first structure and the second structure, the third structure including a thermally non-conductive material, and a fourth structure aligned substantially perpendicular to the first structure;
a first element and a second element each in contact with the third structure, the first element being a processor and the second element being a non-processor element; and
a flexible sheet including:
a first portion having a first surface in contact with at least one of a surface of the first element and a thermally conductive material in contact with the surface of the first element and the first portion having a second surface in contact with at least one of a surface of the second structure and the thermally conductive material in contact with the surface of the second structure,
a second portion positioned on surface of the second structure, substantially parallel to the third structure, and
a third portion in contact with the fourth structure and substantially perpendicular to the first portion, the flexible sheet being configured to conduct heat generated by the first element away from the first structure and to a surface of the fourth structure configured to dissipate heat, the flexible sheet including a cutout through which the second heat generating element is inserted.
12. The computing device of claim 11 , wherein
the thermally conductive material is a thermal gap pad configured to conduct heat generated by the first element to the first structure, and
the flexible sheet is in contact with the thermal gap pad.
13. The computing device of claim 11 , wherein
the first structure is a baseframe of the computing device configured to support a keyboard,
the second structure is a bottom plate of the computing device, and
the fourth structure is a back bone of the computing device.
14. The computing device of claim 11 , wherein
the second structure is a baseframe of the computing device configured to support a keyboard,
the first structure is a bottom plate of the computing device, and
the fourth structure is a back bone of the computing device.
15. The computing device of claim 11 , wherein the flexible sheet includes:
a first heat spreader element aligned along a first longitudinal axis; and
a second heat spreader element aligned along a second longitudinal axis non-parallel to the first longitudinal axis.
16. The computing device of claim 11 , wherein the flexible sheet includes a woven sheet of graphite strands.
17. The computing device of claim 11 , wherein the flexible sheet includes bonded graphite fiber.
18. The computing device of claim 11 , wherein the flexible sheet includes bonded graphite flakes.