Electronic device package with an integrated evaporator
View Patent ↗The present invention provides an electronic device package that can be fabricated using standard package fabrication technologies while providing a desired level of thermal transfer capability to an attachable thermal management system. The electronic device package according to the present invention comprises a housing that is specifically designed to couple with an evaporator portion of a thermal management system, for example a heat pipe. One or more electronic devices are mounted in thermal contact with the evaporator portion of the thermal management system. Upon completion of the fabrication of the package using standard techniques, the evaporator portion of the electronic device package is operatively coupled with a secondary portion of the thermal management system. In this manner the electronic device package can be fabricated to incorporate a desired thermal management system, while being fabricated using standard package fabrication processes and machinery.
1. An electronic device package adapted for enabling thermal regulation, said electronic device package comprising:
a housing comprising a thermally conductive substrate;
an evaporator portion adapted for operable coupling to a secondary portion of a thermal management system;
at least one electronic device disposed on the thermally conductive substrate and thermally coupled to the evaporator portion via the thermally conductive substrate; and
a carrier onto which the housing is mounted, one end of the evaporator portion extending into a hole in the carrier so as to contact the housing.
2. The electronic device package according to claim 1 , wherein the substrate is a metal substrate.
3. The electronic device package according to claim 1 , wherein the housing comprises electrical traces providing for electrical connection to the at least one electronic device.
4. The electronic device package according to claim 1 , wherein the evaporator portion is coated with a dielectric material.
5. The electronic device package according to claim 1 , wherein the thermal management system is one of a Peltier cooling device and a heat exchanger.
6. The electronic device package according to claim 1 , wherein the thermal management system is one of a heat pipe and a thermosyphon.
7. The electronic device package according to claim 6 , wherein the evaporator portion is configured as an evaporator for the heat pipe, said evaporator portion being hermetically coupled to the secondary portion thereby forming the heat pipe.
8. The electronic device package according to claim 7 , wherein the evaporator portion and the secondary portion are hermetically sealed using a collar surrounding a mating portion of each of the evaporator portion and the secondary portion.
9. The electronic device package of claim 7 , wherein the evaporator portion includes a flange for connecting the evaporator portion to a corresponding flange on the secondary portion.
10. The electronic device package according to claim 1 , wherein the at least one electronic device comprises one or more light-emitting elements.
11. The electronic device package according to claim 10 , wherein the one or more light-emitting elements emit light having one more colours selected from the group comprising red green, blue, amber, cyan and white.
12. The electronic device package according to claim 10 , wherein the housing further comprises an optical system.
13. The electronic device package according to claim 12 , wherein the optical system includes one or more of a refractive optical element, reflective optical element, diffractive optical element and encapsulation material.
14. The electronic device package according to claim 1 , further comprising a sealing substance for environmentally sealing the one or more electronic devices.
15. The electronic device package according to claim 1 , wherein the secondary portion has a first end and a second end and wherein the evaporator portion is operatively coupled to the first end.
16. The electronic device package according to claim 1 , wherein the secondary portion has a first end and a second end and wherein the evaporator portion is operatively coupled to the secondary portion between the first end and the second end.
17. The electronic device package of claim 1 , wherein the housing forms a cap for sealing one end of the evaporator portion.
18. The electronic device of claim 1 , wherein the evaporator portion includes a wicking structure and an external support structure, the wicking structure being adapted to transfer a working fluid between the evaporator portion and the secondary portion.