Reflector attachment to an LED-based illumination module
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F21V-029/00
F21V-007/00
F21V-017/10
F21V-017/16
F21V-029/505
F21V-029/71
F21K-099/00
F21V-007/06
F21V-007/09
F21V-017/14
F21V-023/06
F21Y-101/02
F21Y-105/00
F21V-029/83
출원번호
US-0692899
(2012-12-03)
등록번호
US-9217560
(2015-12-22)
발명자
/ 주소
Harbers, Gerard
Reed, Christopher R.
Tseng, Peter K.
Yriberri, John S.
출원인 / 주소
Xicato, Inc.
대리인 / 주소
Silicon Valley Patent Group LLP
인용정보
피인용 횟수 :
0인용 특허 :
31
초록▼
An LED based illumination module includes a thermal interface surface that is coupled to a thermal interface surface of a reflector using engaging members that generate a compressive force between the thermal interface surfaces. The engaging members may be, e.g., protrusions that interface with rece
An LED based illumination module includes a thermal interface surface that is coupled to a thermal interface surface of a reflector using engaging members that generate a compressive force between the thermal interface surfaces. The engaging members may be, e.g., protrusions that interface with recesses, spring pins, formed sheet metal, magnets, mounting collar, etc. The reflector may include a vented portion that is not optically coupled to the LED based illumination module to allow air to pass through the reflector.
대표청구항▼
1. An apparatus comprising: an LED based illumination module comprising an output port, a first thermal interface surface, and a reflector engaging surface oriented perpendicular to the first thermal interface surface, the reflector engaging surface including a plurality of reflector engaging member
1. An apparatus comprising: an LED based illumination module comprising an output port, a first thermal interface surface, and a reflector engaging surface oriented perpendicular to the first thermal interface surface, the reflector engaging surface including a plurality of reflector engaging members; anda reflector comprising a second thermal interface surface and a plurality of elastic mounting members, the LED based illumination module and the reflector are rotationally moveable with respect to each other from a disengaged position in which the reflector engaging members do not engage the elastic mounting members to an engaged position in which the reflector engaging members engage the elastic mounting members, wherein a rotational movement to the engaged position deforms the elastic mounting members and generates a compressive force between the first thermal interface surface and the second thermal interface surface, wherein the LED based illumination module generates an amount of heat during operation, and wherein at least twenty-five percent of the amount of heat generated by the LED based illumination module is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 2. The apparatus of claim 1, wherein the output port includes an output window, and wherein the first and second thermal interface surfaces are oriented parallel to the output window. 3. The apparatus of claim 1, wherein at least fifty percent of the amount of heat generated is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 4. The apparatus of claim 1, wherein the elastic mounting members are protrusions extending inwardly from the reflector toward the LED based illumination module. 5. The apparatus of claim 4, wherein the plurality of reflector engaging members are recesses in the reflector engaging surface of the LED based illumination module. 6. The apparatus of claim 1, further comprising: a thermally conductive pad disposed between the first and second thermal interface surfaces. 7. The apparatus of claim 1, wherein the first thermal interface surface is a faceted surface with a first surface area, wherein a first portion of the first surface area contacts the second thermal interface surface when the first and second thermal interface surfaces are brought into contact, and wherein a second portion of the first surface area does not contact the second thermal interface surface when the first and second thermal interface surfaces are brought into contact generating a void between the first and second thermal interface surfaces. 8. The apparatus of claim 7, wherein the second thermal interface surface is a faceted surface with a second surface area, wherein a first portion of the second surface area contacts the first thermal interface surface when the first and second thermal interface surfaces are brought into contact, and wherein a second portion of the second surface area does not contact the first thermal interface surface when the first and second thermal interface surfaces are brought into contact generating the void between the first and second thermal interface surfaces. 9. The apparatus of claim 1, wherein the first thermal interface surface is a sheet flexibly bonded to the LED based illumination module. 10. The apparatus of claim 1, wherein the second thermal interface surface is a sheet flexibly bonded to the reflector. 11. The apparatus of claim 1, wherein the reflector includes a tool feature adapted to couple with a tool useable to move the LED based illumination module from the disengaged position to the engaged position. 12. An apparatus comprising: an LED based illumination module comprising a first thermal interface surface and a plurality of reflector engaging members; anda reflector comprising a second thermal interface surface and a plurality of elastic mounting members configured to be compressively engaged with the plurality of reflector engaging members on the LED based illumination module when the LED based illumination module and the reflector are rotated with respect to each other into an engaged position, wherein the LED based illumination module and the reflector are rotationally moveable with respect to each other from a disengaged position in which the reflector engaging members do not engage the elastic mounting members to the engaged position in which the reflector engaging members engage the elastic mounting members, wherein the plurality of elastic mounting members are configured to be deformed by the plurality of reflector engaging members and to generate a compressive force between the first and the second thermal interface surfaces by a rotational movement between the LED based illumination module and the reflector to the engaged position, wherein the LED based illumination module generates an amount of heat during operation, and wherein at least twenty-five percent of the amount of heat generated by the LED based illumination module is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 13. The apparatus of claim 12, wherein at least fifty percent of the amount of heat generated is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 14. The apparatus of claim 12, wherein the elastic mounting members are spring pins. 15. The apparatus of claim 12, wherein the elastic mounting members are formed sheet metal. 16. An apparatus comprising: an LED based illumination module comprising a first thermal interface surface and a second thermal interface surface;a heat sink comprising a third thermal interface surface and a plurality of reflector engaging members; anda reflector comprising a fourth thermal interface surface and a plurality of elastic mounting members configured to be compressively engaged with the plurality of reflector engaging members on heat sink when the heat sink and the reflector are rotated with respect to each other into an engaged position, wherein the heat sink and the reflector are rotationally moveable with respect to each other from a disengaged position in which the reflector engaging members do not engage the elastic mounting members to the engaged position in which the reflector engaging members engage the elastic mounting members, wherein the plurality of elastic mounting members are configured to be deformed by the plurality of reflector engaging members and to generate a compressive force between the first and fourth thermal interface surfaces and the second and third thermal interface surfaces by a rotational movement between the heat sink and the reflector to the engaged position, wherein the LED based illumination module generates an amount of heat during operation, and wherein at least twenty-five percent of the amount of heat generated by the LED based illumination module is transmitted through the first and fourth thermal interface surfaces and is dissipated through the reflector. 17. The apparatus of claim 16, wherein at least fifty percent of the amount of heat generated is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 18. The apparatus of claim 16, wherein the elastic mounting members are spring pins. 19. The apparatus of claim 16, wherein the elastic mounting members are formed sheet metal. 20. An apparatus comprising: an LED based illumination module; and a reflector adjustably coupled to the LED based illumination module with a magnet, a rotational orientation of the reflector being continuously adjustable with respect to the LED based illumination module while maintaining contact with the LED based illumination module, wherein the reflector includes a first thermal interface surface and the LED based illumination module includes a second thermal interface surface, and wherein a compressive force between the first and second thermal interface surfaces is generated by the magnet when the reflector is coupled to the LED based illumination module. 21. The apparatus of claim 20, wherein the LED based illumination module generates an amount of heat during operation, and wherein at least fifty percent of the amount of heat generated is transmitted through the first and second thermal interface surfaces and is dissipated through the reflector. 22. The apparatus of claim 20, further comprising: a heat sink coupled between the LED based illumination module and the reflector. 23. The apparatus of claim 22, wherein the magnet is attached to the heat sink. 24. The apparatus of claim 20, wherein the reflector is an asymmetric reflector, and wherein the adjusting of the orientation of the reflector with respect to the LED based illumination module changes a direction of light emitted from the reflector.
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