Wickless capillary driven constrained vapor bubble heat pipes for application in display devices

Patent metadata

Field	Value
Publication number	US-10219409-B2
Application number	US-201615393263-A
Country	US
Kind code	B2
Filing date	Dec 29, 2016
Priority date	Apr 29, 2016
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

A system and method for providing and using wickless capillary driven constrained vapor bubble heat pipes for application in display devices are disclosed. An example embodiment includes: a display device layer fabricated from a substrate, the display device layer including a plurality of in-built channels integrated therein; and a plurality of wickless capillary driven constrained vapor bubble heat pipes being embedded into the plurality of in-built channels, each wickless capillary driven constrained vapor bubble heat pipe including a body having a capillary therein with generally square corners and a high energy interior surface, and a highly wettable liquid partially filling the capillary to dissipate heat between an evaporator region and a condenser region.

First claim

What is claimed is:

1. An apparatus comprising:
a display device layer fabricated from a substrate, the display device layer including a plurality of in-built channels integrated therein; and
a plurality of wickless capillary driven constrained vapor bubble heat pipes embedded into the plurality of in-built channels, the plurality of wickless capillary driven constrained vapor bubble heat pipes including a body having a capillary therein with corners, wherein the capillary is to be partially filled with a liquid to dissipate heat between an evaporator region and a condenser region.

2. The apparatus of claim 1 , wherein the display device layer includes at least one of a display device light guide or a display device back plate.

3. The apparatus of claim 1 , wherein the display device layer is configured for installation in at least one of a computing device monitor, a television monitor, or a lighted display panel.

4. The apparatus of claim 1 , wherein the display device layer is installed in a display device adjacent to at least one other display device layer of the display device.

5. The apparatus of claim 1 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally orthogonal orientation.

6. The apparatus of claim 1 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally radial orientation.

7. The apparatus of claim 1 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally cross-pattern orientation.

8. A display system comprising:
a plurality of display device layers to operate in combination to produce an image for a viewer;
at least one of the plurality of display device layers including a plurality of in-built channels integrated therein; and
a plurality of wickless capillary driven constrained vapor bubble heat pipes being embedded into the plurality of in-built channels of the at least one of the plurality of display device layers, the plurality of wickless capillary driven constrained vapor bubble heat pipes including a body having a capillary therein with generally square corners and a liquid partially filling the capillary to dissipate heat between an evaporator region and a condenser region.

9. The display system of claim 8 , wherein the at least one of the plurality of display device layers includes at least one of a display device light guide or a display device back plate.

10. The display system of claim 8 , wherein the display device includes at least one of a computing device monitor, a television monitor, or a lighted display panel.

11. The display system of claim 8 , wherein the at least one of the plurality of display device layers is installed in the display device adjacent to at least one other display device layer of the display device.

12. The display system of claim 8 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally orthogonal orientation.

13. A method comprising:
fabricating a display device layer from a substrate;
integrating a plurality of in-built channels into the display device layer; and
embedding a plurality of wickless capillary driven constrained vapor bubble heat pipes into the plurality of in-built channels, the plurality of wickless capillary driven constrained vapor bubble heat pipes including a body having a capillary therein with generally square corners, wherein the capillary is to be partially filled with a liquid to dissipate heat between an evaporator region and a condenser region.

14. The method of claim 13 , wherein the display device layer includes at least one of a display device light guide or a display device back plate.

15. The method of claim 13 , further including configuring the display device layer for installation in a display device including at least one of a computing device monitor, a television monitor, or a lighted display panel.

16. The method of claim 13 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally orthogonal orientation.

17. The method of claim 13 , wherein the plurality of in-built channels and the plurality of wickless capillary driven constrained vapor bubble heat pipes embedded therein are configured in a generally radial orientation.

18. An apparatus comprising:
a display device layer fabricated from a substrate, the display device layer including a plurality of in-built channels integrated therein; and
a plurality of wickless heat dissipation means being embedded into the plurality of in-built channels, the plurality of wickless heat dissipation means including a body having a capillary therein with generally square corners and a liquid partially filling the capillary to dissipate heat between an evaporator region and a condenser region.

19. The apparatus of claim 18 , wherein the display device layer includes at least one of a display device light guide or a display device back plate.

20. The apparatus of claim 18 , wherein the display device layer is configured for installation in a display device including at least one of a computing device monitor, a television monitor, or a lighted display panel.

21. The apparatus of claim 1 , wherein the body includes at least two corners and a curved wall coupled between the two corners.

22. The apparatus of claim 1 , wherein at least one of the corners is square.

23. The apparatus of claim 1 , wherein at least one of the corners is formed by a first straight edge coupled to a second straight edge at an acute angle.

24. The apparatus of claim 23 , wherein the body further includes:
a first base edge coupled to the first straight edge;
a first curved wall coupled to the first base edge opposite the first straight edge;
a second base edge coupled to the second straight edge; and
a second curved wall coupled to the second base edge opposite the second straight edge.

Assignees

• Intel Corp

Inventors

• Basu Sumita
• Kulkarni Shantanu D
• Ghosh Prosenjit
• Kouliachev Konstantin I

Classifications

• H10W70/614

  the multiple chips being integrally enclosed · CPC title

• H10W70/05

  of insulating or insulated package substrates, or of interposers, or of redistribution layers (manufacture or treatment of leadframes H10W70/04) · CPC title

• H10W70/02

  of conductive package substrates serving as an interconnection, e.g. of metal plates (manufacture or treatment of leadframes H10W70/04) · CPC title

• H10W40/73

  for cooling by change of state · CPC title

• F28F13/16

  by applying an electrostatic field to the body of the heat-exchange medium · CPC title