High power radiation emitter device and heat dissipating package for electronic components

• US 7,489,031 B2
• Filed: 06/27/2006
• Issued: 02/10/2009
• Est. Priority Date: 01/31/2001
• Status: Expired due to Fees

• Current Assignee: Gentex Corporation
• Original Assignee: Gentex Corporation
• Inventors: Reese, Spencer D., Roberts, John K.
• Primary Examiner(s): Pham; Thanhha
• Application Number:
  US11/426,761
• Publication Number:
  US 20060244118A1
• Time in Patent Office: 959 Days
• Field of Search: 257/13, 257/21, 257 79- 82, 257 98-100, 257/687, 257/E51.032
• US Class Current: 257/687
• CPC Class Codes: G02B 3/0056 arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses G02B3/0043 takes precedence; miniaturised objectives for electronic devices employing wafer level optics G02B13/0085
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 23/42 Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 33/648 the elements comprising fluids, e.g. heat-pipes
• CPC Class Codes: H05B 33/04 Sealing arrangements , e.g. against humidity

Abstract

The electronic component package of the present invention includes a sealed chamber; a liquid or gel contained in the sealed chamber; at least one electronic component disposed in the sealed chamber in physical and thermal contact with the liquid or gel; and at least one electrical conductor electrically coupled to the electronic component and extending out of the sealed chamber. The electronic component(s) may include any one or combination of a radiation emitter, a thermal or optical sensor, a resistor, and a microprocessor or other semiconductor component.

Claims

1. A package for at least one electronic semiconductor component, said package comprising:

first and second substrates sealed together and spaced apart to define a sealed chamber;

a colored liquid or colored gel contained in said sealed chamber for filtering light emitted from the sealed chamber;

at least one electronic semiconductor component disposed in said sealed chamber in thermal contact with said colored liquid or colored gel such that heat is conducted by the sides of the sealed chamber; and

wherein the at least one electronic semiconductor component is positioned within the sealed chamber such that light emitted from the at least one electronic component escapes the sealed chamber after passing through said colored liquid or colored gel.

2. The electronic component package of claim 1, wherein said first and second substrates are printed circuit boards.

3. The electronic component package of claim 1, wherein said second substrate is substantially opaque.

4. The electronic component package of claim 1, wherein said second substrate is substantially transparent.

5. The electronic component package of claim 1, wherein said at least one electronic component includes a radiation emitting device.

6. The electronic component package of claim 1, wherein said at least one electronic component includes an optical sensor.

7. The electronic component package of claim 1, wherein said at least one electronic component includes a microprocessor.

8. The electronic component package of claim 1, wherein said second substrate has a high thermal conductivity.

9. The electronic component package of claim 1, wherein said first substrate is a printed circuit board.

10. The electronic component package of claim 9, wherein a portion of said first circuit board extends outward from said sealed chamber, said portion including at least one electrical contact electrically coupled to at least one of said electronic components disposed in said sealed chamber.

11. The electronic component package of claim 10, wherein said electrical contact is configured to contact a corresponding electrical contact in an edge connector.

12. The electronic component package of claim 1, wherein said second substrate is a heat sink having a large outer surface area.

13. The electronic component package of claim 12, wherein said heat sink has a plurality of fins extending away from said sealed chamber.

14. The electronic component package of claim 12, wherein said heat sink further comprises a plurality of passageways for allowing the flow of a liquid.

15. The electronic component package of claim 14, wherein said passageways open into said sealed chamber for allowing the flow of the liquid through said passageways.

16. A package for at least one electronic component, said package comprising:

a circuit board and a substrate, sealed together and spaced apart to define a sealed chamber;

a colored liquid or colored gel contained in said sealed chamber for filtering light emitted therefrom;

at least one light emitting diode (LED) mounted on said circuit board and disposed in said sealed chamber in thermal contact with said colored liquid or colored gel; and

wherein the at least one light emitting diode (LED) is positioned within the sealed chamber such that light escapes the sealed chamber after passing through said colored liquid or colored gel.

17. The electronic component package of claim 16, wherein said substrate is substantially opaque.

18. The electronic component package of claim 16, wherein said substrate is substantially transparent.

19. The electronic component package of claim 16, wherein the sealed chamber further comprises an optical sensor.

20. The electronic component package of claim 16, wherein the sealed chamber further includes a microprocessor.

21. The electronic component package of claim 16, wherein the sealed chamber further includes a resistor.

22. The electronic component package of claim 16, wherein said second substrate has a high thermal conductivity.

23. The electronic component package of claim 16, wherein the sealed chamber further includes a semiconductor component.

24. A package for at least one electronic component, said package comprising:

a circuit board and a substrate, sealed together and spaced apart to define a sealed chamber having a substantially clear section for passing light;

a color tinted liquid or color tinted gel contained within the sealed chamber for selectively filtering light emitted therefrom;

an optical sensor mounted on said circuit board and disposed in said sealed chamber;

at least one light emitting diode (LED) mounted on said circuit board and disposed in said sealed chamber in thermal contact with said color tinted liquid or colored tinted gel; and

wherein the at least one LED and optical sensor are positioned within the sealed chamber such that light enters and escapes the sealed chamber after passing through said color tinted liquid or colored tinted gel.

25. A package for at least one electronic component as in claim 24, wherein the index of refraction of the said color tinted liquid or colored tinted gel is substantially equal to that of the LED.

26. A package for at least one electronic component as in claim 24, wherein the index of refraction of the said color tinted liquid or colored tinted gel is substantially equal to that of the substantially clear section.