[미국특허]
Illumination devices using natural light LEDs
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F21V-009/16
A61B-001/06
F21V-013/14
F21V-009/08
F21V-009/06
A61B-003/00
A61B-001/227
출원번호
US-0676837
(2012-11-14)
등록번호
US-8992042
(2015-03-31)
발명자
/ 주소
Eichenholz, Jason M.
출원인 / 주소
Halma Holdings, Inc.
대리인 / 주소
Dinsmore & Shohl LLP
인용정보
피인용 횟수 :
38인용 특허 :
55
초록▼
A method and apparatus are disclosed for a LED used in a medical device emitting a wavelength from about 200 nanometers to about 440 nanometers along a path. A composition of phosphors coats the LED to broaden the electromagnetic spectrum from about 200 nanometers to about 780 nanometers. A filter i
A method and apparatus are disclosed for a LED used in a medical device emitting a wavelength from about 200 nanometers to about 440 nanometers along a path. A composition of phosphors coats the LED to broaden the electromagnetic spectrum from about 200 nanometers to about 780 nanometers. A filter is positioned in the path to selectively permit electromagnetic radiation of a particular range of wavelengths to pass through. The medical device is used to provide a broad spectral source for medical diagnosis.
대표청구항▼
1. An illumination device comprising: at least one light emitting diode emitting electromagnetic radiation with a wavelength from about 200 nanometers to about 440 nanometers, the electromagnetic radiation is emitted along a path;a composition of phosphors coating the at least one light emitting dio
1. An illumination device comprising: at least one light emitting diode emitting electromagnetic radiation with a wavelength from about 200 nanometers to about 440 nanometers, the electromagnetic radiation is emitted along a path;a composition of phosphors coating the at least one light emitting diode comprising a red phosphor, yellow phosphor, a blue phosphor, a green phosphor, an orange phosphor, a violet phosphor, or combinations thereof;at least one wavelength selection device positioned in the path to selectively permit electromagnetic radiation of a particular range of wavelengths to pass through;a mirror to change a direction of the path;at least one lens to diverge the electromagnetic radiation, wherein the at least one wavelength selection device, the mirror, and the at least one lens are disposed in the path; anda housing wherein the at least one light emitting diode, the at least one wavelength selection device, the mirror, and the at least one lens are attached to and within the housing. 2. The device of claim 1, further comprising at least one imager coupled to the illumination device. 3. The device of claim 2, wherein the at least one imager may be a camera, a digital camera, a projector, or film. 4. The device of claim 1, wherein the particular range of wavelengths is from about 200 nanometers to about 380 nanometers. 5. The device of claim 1, wherein the particular range of wavelengths is from about 380 nanometers to about 750 nanometers. 6. The device of claim 1, wherein the light emitting diodes are clustered in an array. 7. The device of claim 6, wherein the array is selected from the group consisting of a linear array, a stagger array, a herringbone array, a honeycomb array, a triangular array, a hexagonal array, and a circular array. 8. The device of claim 1, wherein the composition of phosphors are modified to produce a Color Rendering Index of greater than 80%. 9. The device of claim 8, wherein the composition of phosphors are modified to produce the Color Rendering Index of greater than about 97%. 10. The device of claim 9, wherein the composition of phosphors are modified to produce the Color Rendering Index of greater than about 98%. 11. The device of claim 10, wherein the composition of phosphors are modified to produce the Color Rendering Index of greater than about 99%. 12. The device of claim 11, wherein the composition of phosphors are modified to produce the Color Rendering Index of about 100%. 13. The device of claim 1 wherein the composition of phosphors are modified to absorb electromagnetic radiation with a wavelength from about 200 nanometers to about 440 nanometers. 14. The device of claim 1, wherein the illumination device is a scope selected from the group consisting of an ophthalmoscope, otoscope, and dermascope. 15. The device of claim 1, wherein the at least one wavelength selection device is a filter selected from the group consisting of a dichroic filters, dichroic mirrors, dichroic reflectors, reflective filters, thin film filters, interference filters, gel film filters, band pass filters, interference bandpass filters, and combinations thereof. 16. The device of claim 1, wherein the composition of phosphors are red, green, and yellow. 17. The device of claim 1, wherein the composition of phosphors are red, green, and blue. 18. A method of illuminating a specimen comprising: emitting electromagnetic radiation along a path with a wavelength from about 200 nanometers to about 440 nanometers using at least one light emitting diode, wherein a composition of phosphors coats the at least one light emitting diode comprising a red phosphor, yellow phosphor, a blue phosphor, a green phosphor, an orange phosphor, a violet phosphor, or combinations thereof;selectively permitting electromagnetic radiation of a particular range of wavelengths to pass through at least one wavelength selection device disposed in the path;changing a direction of the path using a mirror; anddiverging the electromagnetic radiation using a lens, wherein the at least one wavelength selection device, the mirror, and the lens are disposed in the path. 19. The method of claim 18, wherein the particular range of wavelengths is from about 200 nanometers to about 380 nanometers. 20. The method of claim 18, wherein the particular range of wavelengths is from about 380 nanometers to about 750 nanometers. 21. The method of claim 18, wherein the composition of phosphors are red, green, and yellow. 22. The method of claim 18, wherein the composition of phosphors are red, green, and blue. 23. A method of producing electromagnetic radiation comprising: illuminating a specimen using an illumination device comprising: at least one light emitting diode emitting electromagnetic radiation with a wavelength from about 200 nanometers to about 440 nanometers along a path,a composition of phosphors coating the at least one light emitting diode comprising a red phosphor, yellow phosphor, a blue phosphor, a green phosphor, an orange phosphor, a violet phosphor, or combinations thereof,at least one wavelength selection device positioned in the path to selectively permit the electromagnetic radiation of a particular range of wavelengths to pass through,a mirror to change a direction of the path,a lens to diverge the electromagnetic radiation, wherein the at least one wavelength selection device, the mirror, and the lens are disposed in the path, anda housing wherein the at least one light emitting diode, the at least one wavelength selection device, the mirror, and the lens are attached within the housing; andactuating an adjustment wheel to change the particular range of wavelengths permitted by the at least one wavelength selection device. 24. The method of claim 23, wherein the particular range of wavelengths is from about 200 nanometers to about 380 nanometers. 25. The method of claim 23, wherein the particular range of wavelengths is from about 380 nanometers to about 750 nanometers. 26. The method of claim 23, wherein the composition of phosphors are red, green, and yellow. 27. The method of claim 23, wherein the composition of phosphors are red, green, and blue.
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