IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0794258
(2004-03-04)
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발명자
/ 주소 |
- Evans,Nigel
- Hewlett,William E.
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출원인 / 주소 |
- Production Resource Group, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
11 인용 특허 :
14 |
초록
A super cooler device including a thermo electric cooler on a digital micro mirror device.
대표청구항
▼
What is claimed: 1. A light controlling system, comprising: a light controlling device which is controllable to control light on a pixel-by-pixel basis; a mounting structure for said light controlling device; and a condensation eliminating part, coupled to said light controlling device, and insulat
What is claimed: 1. A light controlling system, comprising: a light controlling device which is controllable to control light on a pixel-by-pixel basis; a mounting structure for said light controlling device; and a condensation eliminating part, coupled to said light controlling device, and insulating at least one part of said light controlling device to eliminate condensation formed thereon. 2. A light controlling system as in claim 1, wherein said mounting structure further includes a heatsink. 3. A light controlling structure as in claim 2, further comprising an active cooling part for the light controlling device. 4. A light controlling system as in claim 1, wherein said light controlling device is a digital mirror device (DMD). 5. A light controlling system as in claim 2, wherein said heat sink is substantially columnar in shape, having a square cross-section, having a fan in communication with the square cross-section, and having a contact surface in thermal contact with said light controlling device. 6. A light controlling system as in claim 5, wherein said fan blows air in a direction that is substantially parallel to a rear surface of the light controlling device. 7. A light controlling system as in claim 1, further comprising at least one temperature sensor, sensing at least one temperature of said light controlling device. 8. A method, comprising: using a light controlling device to control pixel by pixel reflection of light applied thereto; and cooling said light controlling device while reducing an amount of condensation formed on said light controlling device. 9. A method as in claim 8, wherein said light controlling device is a digital mirror device (DMD). 10. A method as in claim 8, wherein said cooling comprises actively cooling a light controlling device. 11. A method as in claim 8, wherein said cooling comprises using a heatsink and fan to cool the light controlling device. 12. A method as in claim 11, wherein said cooling comprises thermally attaching a heatsink and fan to a surface of the light controlling device, and using the fan to blow in a direction substantially parallel to said surface. 13. A method as in claim 8, further comprising sensing a temperature of at least one surface of the light controlling device. 14. A system comprising: a light controlling device, which is controllable to control light on a pixel by pixel bases, having a first surface for reflecting light, and having a second surface opposite said first surface; and a heatsink and fan assembly having a first surface which is shaped to thermally connect to said second surface of said light controlling device, and having a fan operative to cool said first surface. 15. A system as in claim 14, wherein said heat sink and fan is substantially columnar in shape with a substantially square cross-section. 16. A system as in claim 14, wherein said first surface comprises a side surface of said heatsink and fan assembly, and wherein said fan blows air in a direction substantially parallel to said first surface, and faces in a direction substantially orthogonal to said side surface. 17. A system as in claim 14, wherein said light controlling device is a digital mirror device (DMD). 18. A system as in claim 17, wherein said second surface comprises a cooling stud, and further comprising a heat spreading part, coupled to said cooling stud. 19. A system as in claim 14, further comprising a temperature sensor, coupled to said light controlling device. 20. A system as in claim 19, further comprising a controller, responsive to said temperature sensor, operating to control an amount of cooling of said light controlling device. 21. A system as in claim 19, wherein said temperature sensor includes at least one temperature sensor sensing information related to a front temperature of the light controlling device and at least another temperature sensor sensing information related to a rear temperature of the light controlling device. 22. A system as in claim 14, further comprising at least one insulated part coupled to at least one surface of said light controlling device, preventing said at least one surface from being cooled. 23. A method, comprising; using the light controlling device to reflect light that impresses on a light reflecting surface, on a pixel by pixel basis; cooling a surface of the light controlling device which does not actually receive the light; and wherein said cooling comprises connecting a heatsink to said surface of said light controlling device, and cooling the heatsink by blowing air in a direction substantially parallel to said light reflecting surface of the light controlling device. 24. A method as in claim 23, wherein said light controlling device is a digital mirror device (DMD). 25. A method as in claim 23, further comprising sensing at least one temperature of the light controlling device, and using the sensed temperature to control said cooling. 26. A method as in claim 25, wherein said sensing at least one temperature comprises sensing at least front temperature and rear temperature of the light controlling device. 27. A method as in claim 23, further comprising preventing at least one surface of the light controlling device from being cooled. 28. An apparatus, comprising: a light controlling device which is electrically actuable to control light on a pixel-by-pixel bases; a temperature sensing device, sensing at least one temperature of said light controlling device; and a cooling part, thermally coupled to said light controlling device, and operative to cool said light controlling device based on said at least one temperature which was sensed by said temperature sensing device. 29. An apparatus as in claim 28, wherein said cooling part includes an active cooling part. 30. An apparatus as in claim 28, wherein said cooling part includes a passive cooling part with a fan and heatsink. 31. An apparatus as in claim 30, wherein said fan and heatsink includes a first surface thermally coupled to said light controlling device, and which provides airflow in a direction substantially parallel to a direction of said first surface. 32. An apparatus as in claim 28, wherein said light controlling device is a digital mirror device. 33. An apparatus as in claim 28, wherein said temperature sensing device senses at least a front temperature of the light controlling device and a rear temperature of the light controlling device. 34. An apparatus as in claim 28, further comprising an insulation part, which insulates at least one part of said light controlling device against cooling. 35. A method, comprising: using a light controlling device which is electrically able to control light on a pixel by pixel basis; sensing at least one temperature of said light controlling device and producing an output indicative thereof; and cooling the light controlling device based on said output. 36. A method as in claim 35, wherein said cooling comprises actively cooling the light controlling device. 37. A method as in claim 36, wherein said actively cooling comprises using a thermoelectric device to cool the light controlling device. 38. A method as in claim 35, wherein said cooling comprises passively cooling the light controlling device. 39. A method as in claim 38, wherein said passively cooling comprises using a fan and heatsink to cool the light controlling device. 40. A method as in claim 35, wherein said sensing comprises sensing a temperature related to a front surface temperature of the light controlling device and sensing a second temperature related to a rear surface temperature of the light controlling device. 41. A method as in claim 35, further comprising insulating at least one surface of the light controlling device against cooling. 42. A method as in claim 35, wherein said light controlling device is a digital mirror device (DMD).
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