[미국특허]
Solid state continuous white light source
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G03B-021/00
F21V-009/16
F21V-009/08
F21V-029/00
F21V-008/00
F21V-007/00
F21V-029/02
G02B-021/16
G02B-027/14
A61B-001/06
G02B-006/42
출원번호
US-0741476
(2013-01-15)
등록번호
US-8967811
(2015-03-03)
발명자
/ 주소
Jaffe, Steven M.
Jaffe, Claudia B.
Tylinski, George S.
출원인 / 주소
Lumencor, Inc.
대리인 / 주소
Meyer IP Law Group
인용정보
피인용 횟수 :
4인용 특허 :
158
초록▼
A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white ligh
A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from LED light sources. The white light output is continuous in the visible spectrum from 380 nm to 650 nm and is suitable for imaging all the most common fluorophores and fluorescent proteins. In embodiments, an LED light pipe engine is used to generate a portion of the spectral content of the white light output. In alternative embodiments the solid state illumination system produces light output of a selectable color.
대표청구항▼
1. An illumination system comprising: a housing having an interior; a metal platform having a first substantially planar surface and a second surface configured to dissipate heat; the metal platform dividing the the interior of the housing into a first portion defined by the first substantially plan
1. An illumination system comprising: a housing having an interior; a metal platform having a first substantially planar surface and a second surface configured to dissipate heat; the metal platform dividing the the interior of the housing into a first portion defined by the first substantially planar surface and the housing, and a second portion defined by the second surface and the housing; a plurality of light sources positioned within said first portion of the interior of the housing, each light source having a solid state light source and a metal base and emitting a light beam; each said metal base of each of the plurality of light sources mounted to said first substantially planar surface of said metal platform; each said metal base providing a heat conducting path between the solid state light source and the metal platform whereby heat generated by the solid state light source is conducted via the metal base to the metal platform; and a fan configured to provide airflow through the second portion of the interior of the housing to dissipate heat from the second surface of the metal platform. 2. The illumination system of claim 1, further comprising a plurality of dichroic elements positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform wherein the plurality of dichroic elements combine the light beams from the plurality of light sources into a combined beam. 3. The illumination system of claim 2, further comprising an output optical stage positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform and adapted to receive the combined beam and focus the combined beam into an entrance aperture of a light guide. 4. The illumination system of claim 2, further comprising: a light guide; an output optical stage positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform and adapted to receive the combined beam and focus the combined beam into an entrance aperture of a light guide; and wherein the light guide is coupled to the output optical stage through an aperture in said housing, and the light guide is adapted to transmit the combined beam from the illumination system to an optical instrument. 5. The illumination system of claim 1, further comprising a control board mounted within the second portion of the interior of the housing, wherein the control board provides current to said plurality of light sources and said fan. 6. The illumination system of claim 5, wherein each of said plurality of light sources is provided with a thermal sensor, wherein the thermal sensors are coupled to said control board and wherein said control board controls the speed of the fan in response to an output of said thermal sensors. 7. The illumination system of claim 1, wherein the first portion of the interior of the housing is substantially sealed from the second portion of the interior of the housing by the platform so as to prevent contaminants in said airflow through the second portion of the interior of the housing from entering the first portion of the interior of the housing. 8. The illumination system of claim 1, wherein at least one of said plurality of light sources includes a luminescent rod light source which comprises: a plurality of light emitting diodes which emit light of a first color; a luminescent rod positioned to receive the light of the first color, wherein the light of the first color is absorbed by the luminescent rod which then emits by fluorescence a light of a second color different than the first color; and rod optics that extract the light of the second color from the luminescent rod and collimate the light of the second color into the light beam. 9. The illumination system of claim 1, wherein at least one of said plurality of light sources includes a luminescent rod light source which comprises: a plurality of light emitting diodes which emit blue light;a luminescent rod positioned to receive the blue light, wherein the blue light is absorbed by the luminescent rod which then emits by fluorescence green light; androd optics that extract the green light from the luminescent rod and collimate the green light into the light beam. 10. The illumination system of claim 1, further comprising a plurality of dichroic elements positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform wherein the plurality of dichroic elements combine the light beams from the plurality of light sources into a combined beam of white light which has a spectral power which substantially equals or exceeds a spectral power of a 150 W Xenon lamp over substantially all of the visible spectrum from 380 nm to 650 nm. 11. An illumination system comprising: a housing having an interior; a metal platform having a first substantially planar surface and a second surface configured to dissipate heat; the metal platform dividing the interior of the housing into a first portion defined by the first substantially planar surface and the housing, and a second portion defined by the second surface and the housing; a luminescent rod light source which includes a first plurality of light emitting diodes which emit light of a first color, and a luminescent rod positioned to receive and absorb the light of the first color, wherein the luminescent rod, in response to absorbing light of the first color, emits fluorescence light of a fluorescent color different than the first color, and wherein the luminescent rod and the first plurality of light emitting diodes mounted to a first metal base; and an LED light source which includes a second plurality of light emitting diodes which emit light of a second color different than the fluorescent color, the second plurality of light emitting diodes mounted to a second metal base; the first metal base and the second metal base mounted to said first substantially planar surface of said metal platform and whereby heat generated by the first plurality of light emitting diodes, the second plurality of light emitting diodes and the luminescent rod is conducted to the metal platform; and a fan configured to provide airflow through the second portion of the interior of the housing to dissipate heat from the second surface of the metal platform. 12. The illumination system of claim 11, further comprising a plurality of dichroic elements positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform wherein the plurality of dichroic elements combine the second color light and the fluorescent color light into a combined beam. 13. The illumination system of claim 12, further comprising an output optical stage positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform and adapted to receive the combined beam and focus the combined beam into an entrance aperture of a light guide. 14. The illumination system of claim 12, further comprising: a light guide; and an output optical stage positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform and adapted to receive the combined beam and focus the combined beam into an entrance aperture of the light guide; wherein the light guide is coupled to the output optical stage through an aperture in said housing, and the light guide is adapted to transmit the combined beam from the illumination system to an optical instrument. 15. The illumination system of claim 11, further comprising a control board mounted within the second portion of the interior of the housing, wherein the control board provides current to said plurality of light sources and said fan. 16. The illumination system of claim 15, wherein the first metal base and the second metal base are each provided with a thermal sensor, wherein the thermal sensors are coupled to said control board and wherein said control board controls the speed of the fan in response to an output of said thermal sensors. 17. The illumination system of claim 11, wherein the first portion of the interior of the housing is substantially sealed from the second portion of the interior of the housing by the platform so as to prevent contaminants in said airflow through the second portion of the interior of the housing from entering the first portion of the interior of the housing. 18. The illumination system of claim 11, further comprising: another LED light source which includes a third plurality of light emitting diodes which emit light of a third color different than the fluorescent color and the second color, the third plurality of light emitting diodes mounted to a third metal base;wherein the third metal base is mounted to said first substantially planar surface of said metal platform such that heat generated by the third plurality of light emitting diodes is conducted to the metal platform. 19. The illumination system of claim 11, wherein the first color is blue and the fluorescent color is green. 20. The illumination system of claim 11, further comprising a plurality of dichroic elements positioned in said first portion of the interior of the housing and mounted to said first substantially planar surface of said metal platform wherein the plurality of dichroic elements combine the fluorescent color light and the second color light into a combined beam of white light which has a spectral power which substantially equals or exceeds a spectral power of a 150 W Xenon lamp over substantially all of the visible spectrum from 380 nm to 650 nm.
Glass Alastair M. (Rumson NJ) Hunt Neil E. J. (Scotch Plains NJ) Poate John M. (Summit NJ) Schubert Erdmann F. (New Providence NJ) Zydzik George J. (Columbia NJ), Absorption resonant rare earth-doped micro-cavities.
Dodabalapur Ananth (Millington NJ) Miller Timothy M. (New Providence NJ) Rothberg Lewis J. (Morristown NJ), Article comprising a microcavity light source.
Nagasaki Tatsuo (Musashino JPX) Fujimori Hiroyoshi (Hachioji JPX), Automatic means for controlling dosage of illuminating light for picking-up image by endoscope assembly.
Krupke William F. ; Payne Stephen A. ; Marshall Christopher D., Blue diode-pumped solid-state-laser based on ytterbium doped laser crystals operating on the resonance zero-phonon transition.
Le Mercier, Thierry; Le Roux, Olivier, Compound based on an alkaline-earth metal, sulphur and aluminium, gallium or indium, its method of preparation and its use as a phosphor.
Blomberg Martti (Vantaa FIX) Orpana Markku (Espoo FIX) Lehto Ari (Helsinki FIX) Korhonen Anssi (Helsinki FIX), Electrically modulatable thermal radiant source and method for manufacturing the same.
Feldman Leonard C. (Berkeley Heights NJ) Hunt Neil E. J. (Scotch Plains NJ) Jacobson Dale C. (Hackettstown NJ) Poate John M. (Summit NJ) Schubert Erdmann F. (New Providence NJ) Vredenberg Arjen M. (N, Erbium doped optical devices.
Imaizumi Katsuichi,JPX ; Nakamura Kazunari,JPX, Fluorescent endoscope system enabling simultaneous normal light observation and fluorescence observation in infrared spectrum.
Morris Geoffrey P. ; Rolfs Jacqueline C. ; Meyer Leo A. ; Moshrefzadeh Robert S. ; Chou Hsin-Hsin ; Tompkins Billy J. ; Davis Thomas N., Glass microspheres for use in films and projection screen displays and methods.
Jones, Michieal L.; Jacobsen, Stuart M.; Jaffe, Steven M.; Ellinger, Richard K., High contrast front and rear viewing surfaces for projection displays.
Hulse,George R.; Dominick,John R.; Cleaver,Mark J.; Eriksson,Eric Olav, Illumination device for simulating neon lighting through use of fluorescent dyes.
Yamazaki, Kentaro, Illumination optical system that uses a solid-state lighting element which generates white light, and an optical device equipped therewith.
Zimmerman, Scott Moore; Beeson, Karl Wayne, Illumination systems utilizing highly reflective light emitting diodes and light recycling to enhance brightness.
Jaffe Steven M. ; Jones Michieal L. ; Thayer Jeffrey S. ; Olmsted Brian L. ; Eilers Hergen, Incandescent microcavity lightsource having filament spaced from reflector at node of wave emitted.
Li Yajun (Oakdale NY) Barkan Edward (S. Setauket NY) Goren David P. (Ronkonkoma NY) Katz Joseph (Stony Brook NY), Optical systems for bar code scanners.
Carpenter Clint W. (Royal Oak MI) Scott S. Kendall (Allen Park MI), Pacification of optically variable pigments for use in waterborne coating compositions.
Collins, III, William David; Krames, Michael R.; Verhoeckx, Godefridus Johannes; van Leth, Nicolaas Joseph Martin, Phosphor-converted light emitting device.
Deppe Dennis G. (6910 Hart La. #304 Austin TX 78731) Rogers Thomas J. (711 W. 32nd St. #138 Austin TX 78705), Quantum well device with control of spontaneous photon emission, and method of manufacturing same.
Mahbobzadeh Mohammad (Albuquerque NM) Osinski Marek A. (Albuquerque NM), Resonant-periodic-gain distributed-feedback surface-emitting semiconductor laser.
Muller Richard S. (Kensington CA) Mastrangelo Carlos H. (Ann Arbor MI) Williams Kirt R. (Orinda CA), Sealed micromachined vacuum and gas filled devices.
Lilge Lothar,CAX ; Pennefather Peter S.,CAX ; Ross Stephen M.,CAX ; Tang Cha-Min ; Zhang Kai,CAX, Semiconductor based excitation illuminator for fluorescence and phosphorescence microscopy.
Stokes, Edward Brittain; McNulty, Thomas Francis; Doxsee, Daniel Darcy; Srivastava, Alok Mani; Levinson, Lionel Monty; Duggal, Anil Raj, Solid state illumination system containing a light emitting diode, a light scattering material and a luminescent material.
Polidor Edward T. (Webster NY) Choate Albert G. (Rush NY) Herbeck Terry L. (Rochester NY), Surface illuminator with means for adjusting orientation and inclination of incident illumination.
Nightingale,John L.; Spooner,Gregory J.; Gollnick,David A.; MacFarland,Dean A., System and method utilizing guided fluorescence for high intensity applications.
Blomberg Martti (Vantaa FIX) Orpana Markku (Espoo FIX) Lehto Ari (Helsinki FIX) Kattelus Hannu (Vantaa FIX), Thermal radiant source with filament encapsulated in protective film.
Zarling David A. (Menlo Park CA) Rossi Michel J. (Lausanne CHX) Peppers Norman A. (Belmont CA) Kane James (Lawrenceville NJ) Faris Gregory W. (Menlo Park CA) Dyer Mark J. (San Jose CA) Ng Steve Y. (S, Up-converting reporters for biological and other assays using laser excitation techniques.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.