IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0624811
(2007-01-19)
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등록번호 |
US-8264138
(2012-09-11)
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발명자
/ 주소 |
- Negley, Gerald H.
- Van De Ven, Antony Paul
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
6 인용 특허 :
85 |
초록
▼
A lighting device, comprising at least one solid state light emitter, at least one first lumiphor and at least one second lumiphor which is spaced from the first lumiphor. The solid state light emitter can be a light emitting diode. A method of making a lighting device, comprising positioning at lea
A lighting device, comprising at least one solid state light emitter, at least one first lumiphor and at least one second lumiphor which is spaced from the first lumiphor. The solid state light emitter can be a light emitting diode. A method of making a lighting device, comprising positioning at least one second lumiphor spaced from and outside of at least one first lumiphor relative to at least one solid state light emitter. A method of lighting, comprising providing electricity to at least one solid state light emitter in such a lighting device.
대표청구항
▼
1. A lighting device, comprising: at least one solid state light emitter; andat least first and second lumiphors, said second lumiphor comprising at least one luminescent material and at least one binder, said second lumiphor spaced from said first lumiphor, said first lumiphor in direct contact wit
1. A lighting device, comprising: at least one solid state light emitter; andat least first and second lumiphors, said second lumiphor comprising at least one luminescent material and at least one binder, said second lumiphor spaced from said first lumiphor, said first lumiphor in direct contact with said solid state light emitter, at least a portion of said first lumiphor between said solid state light emitter and said second lumiphor. 2. A lighting device as recited in claim 1, wherein said lighting device comprises a plurality of solid state light emitters. 3. A lighting device as recited in claim 1, wherein said lighting device comprises a plurality of said first lumiphors. 4. A lighting device as recited in claim 1, wherein said lighting device comprises a plurality of said second lumiphors. 5. A lighting device as recited in claim 1, further comprising a first reflective element, said solid state light emitter and said first lumiphor within said first reflective element. 6. A lighting device as recited in claim 5, further comprising a second reflective element. 7. A lighting device as recited in claim 1, further comprising at least one packaging element, said packaging element completely surrounding said at least one solid state light emitter and said at least one first lumiphor. 8. A lighting device as recited in claim 7, wherein said packaging element is substantially transparent. 9. A lighting device as recited in claim 1, wherein at least one region of air is between said first lumiphor and said second lumiphor. 10. A lighting device as recited in claim 1, wherein a surface area of said second lumiphor is at least twice a surface area of said first lumiphor. 11. A lighting device as recited in claim 1, wherein a mixture of: (1) light emitted by said at least one solid state light emitter which exits from said at least one first lumiphor without being converted, and(2) light emitted by said at least one solid state light emitter which exits from said at least one first lumiphor after being converted by said at least one first lumiphor, has x, y color coordinates which are within an area on a 1931 CIF Chromaticity Diagram enclosed by first, second, third and fourth line segments, said first line segment connecting a first point to a second point, said second line segment connecting said second point to a third point, said third line segment connecting said third point to a fourth point, and said fourth line segment connecting said fourth point to said first point, said first point having x, y coordinates of 0.45, 0.35, said second point having x, y coordinates of 0.35, 0.45, said third point having x, y coordinates of 0.12, 0.22, and said fourth point having x, y coordinates of 0.20, 0.075. 12. A lighting device as recited in claim 1, wherein said solid state light emitter emits light having a wavelength within the ultraviolet range or within the visible range up to a wavelength of 525 mm. 13. A lighting device as recited in claim 1, wherein said binder is substantially transparent. 14. A lighting device as recited in claim 1, wherein said binder is selected from among the group consisting of epoxies, silicones and glasses. 15. A lighting device as recited in claim 1, wherein said second lumiphor further comprises at least one additive selected from among the group consisting of diffusers, scatterers and tints. 16. A method of making a lighting device, comprising: positioning a solid state light emitter, a first lumiphor, and a second lumiphor relative to one another such that said second lumiphor is spaced from said first lumiphor, said first lumiphor is in direct contact with said solid state light emitter, and at least a portion of said first lumiphor is located between said solid state light emitter and said second lumiphor, said second lumiphor comprising at least one luminescent material and at least one binder. 17. A method of lighting, comprising: providing electricity to at least one solid state light emitter, whereby said solid state light emitter emits light, at least some of which passes through a first lumiphor, then through a second lumiphor, and then mixes with at least some light emitted from said second lumiphor, said first lumiphor spaced from said second lumiphor, at least a portion of said first lumiphor between said solid state light emitter and said second lumiphor, said second lumiphor comprising at least one luminescent material and at least one binder. 18. A lighting device, comprising: at least one solid state light emitter; andat least first and second lumiphors, said second lumiphor comprising at least one luminescent material and at least one binder., said second lumiphor spaced from said first lumiphor, at least a portion of said first lumiphor between said solid state light emitter and said second lumiphor, wherein if said solid state light emitter is illuminated, at least some light emitted from said solid state light emitter would mix with at least some light emitted from said second lumiphor.
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