Back to results
US 12,641,760 B2Granted
Heat plate and electronic device
AssigneeHonor Device Co., Ltd.
InventorsGuochao Fu, Fuli Cui, Yuanru Yang
Life of this patent
Estimating the term…
Abstract
This application provides a vapor chamber and an electronic device. The vapor chamber is formed by arranging, in a stacked manner, a plurality of graphite sheets made of graphite or graphene.
Claims20
A heat plate, applied to an electronic device, and comprising:
- a plurality of graphite sheets made of a graphite material or a graphene material, wherein the plurality of graphite sheets are arranged in a stacked manner, and a connection layer is arranged between each two adjacent graphite sheets of the plurality of graphite sheets;
- and
- wherein a first graphite sheet and a second graphite sheet have uneven thicknesses, wherein the first graphite sheet and the second graphite sheet are adjacent to each other, a first connection layer is between the first graphite sheet and the second graphite sheet, and wherein a thickness of a structure formed by the first graphite sheet, the second graphite sheet, and the first connection layer is even throughout the structure.
An electronic device, comprising:
- a middle frame, a display screen, a circuit board, a heating element, a heat conduction element and a heat plate, wherein the display screen and the circuit board are respectively arranged on two sides of the middle frame in a thickness direction of the electronic device, the heating element is arranged on the circuit board, the heating element is in contact with the middle frame through the heat conduction element, the middle frame is provided with a groove, and the heat plate is mounted in the groove;
- and
- the heat plate comprises a plurality of graphite sheets made of a graphite material or a graphene material, the plurality of graphite sheets are arranged in a stacked manner, a connection layer is arranged between each two adjacent graphite sheets of the plurality of graphite sheets, and thicknesses of at least two of the plurality of graphite sheets are different;
- wherein there are a plurality of heating elements, the heat plate comprises a rectangular plate body and a heat conduction plate body, and the heating elements all exactly face the heat conduction plate body;
- in a width direction of the electronic device, a minimum value of distances between first side edges of all the heating elements and a same side edge of the heat conduction plate body is a first distance, and a minimum value of distances between second side edges of all the heating elements and a same side edge of the heat conduction plate body is a second distance;
- in a length direction of the electronic device, a minimum value of distances between third side edges of all the heating elements and a same side edge of the heat conduction plate body is a third distance, and a minimum value of distances between fourth side edges of all the heating elements and a same side edge of the heat conduction plate body is a fourth distance;
- and
- the first distance, the second distance, the third distance, and the fourth distance are all positive numbers.
5 more elements
Dependencies are inferred from the claim text.