IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0120418
(2008-05-14)
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등록번호 |
US-7686478
(2010-04-23)
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발명자
/ 주소 |
- Hulse, George R.
- Walther, Matthias
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출원인 / 주소 |
- iLight Technologies, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
43 인용 특허 :
47 |
초록
▼
A bulb is adapted to fit over a light-emitting diode emitting a light of a first hue. The bulb is composed of a light-transmitting material and defines an inner cavity. The bulb includes a color-converting insert that is positioned in the inner cavity. The color-converting insert is also composed of
A bulb is adapted to fit over a light-emitting diode emitting a light of a first hue. The bulb is composed of a light-transmitting material and defines an inner cavity. The bulb includes a color-converting insert that is positioned in the inner cavity. The color-converting insert is also composed of a light-transmitting material and includes a light color-converting material. The light-emitting diode emits light of the first hue into the color-converting insert, which converts the light of the first hue into light of a desired hue, which is then emitted into the bulb and ultimately observed over a light-emitting surface of the bulb.
대표청구항
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What is claimed is: 1. A bulb adapted to fit over at least one light-emitting diode emitting a light of a first hue in a predetermined radiation pattern, the bulb being composed of a light-transmitting material, the bulb having a generally spherical shape with a substantially circular external cros
What is claimed is: 1. A bulb adapted to fit over at least one light-emitting diode emitting a light of a first hue in a predetermined radiation pattern, the bulb being composed of a light-transmitting material, the bulb having a generally spherical shape with a substantially circular external cross-sectional geometry, the bulb defining an inner cavity with a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode, and the bulb including a color-converting insert that is positioned in said inner cavity, said color-converting insert also being composed of a light-transmitting material and including a light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb. 2. The bulb as recited in claim 1, wherein said light color-converting material is one or more fluorescent dyes. 3. The bulb as recited in claim 1, wherein said light color-converting material is one or more phosphorescent dyes. 4. The bulb as recited in claim 1, wherein said light color-converting material is a combination of fluorescent dyes and/or phosphorescent dyes. 5. The bulb as recited in claim 1, wherein said light-transmitting material is an acrylic resin. 6. The bulb as recited in claim 5, wherein said light color-converting material is one or more fluorescent dyes mixed into said acrylic resin. 7. The bulb as recited in claim 1, wherein said color-converting insert has a shape corresponding to that of said inner cavity. 8. A lighting assembly, comprising: at least one light-emitting diode emitting a light of a first hue in a predetermined radiation pattern; a bulb fitting over the light-emitting diode, the bulb being composed of a light-transmitting material, the bulb having a generally spherical shape with a substantially circular external cross-sectional geometry and defining an inner cavity with a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode, and the bulb defining a light-emitting surface; and a color-converting insert that is positioned in the inner cavity defined by said bulb, said color-converting insert also being composed of a light-transmitting material and including a light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a desired hue, which is then observed over the light-emitting surface of the bulb. 9. A bulb adapted to fit over at least one light-emitting diode emitting a light of a first hue in a generally Lambertian radiation pattern, said bulb having a generally spherical shape and a substantially circular external cross-sectional geometry, said bulb defining an inner cavity with a substantially circular cross-sectional geometry for housing the light-emitting diode, said bulb being composed of a light-transmitting material and a first light color-converting material, and said bulb further including a color-converting insert that is positioned in said inner cavity, said color-converting insert also being composed of a light-transmitting material and including a second light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a second hue, which is then emitted into the bulb, which converts the light of the second hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb. 10. A lighting assembly, comprising: at least one light-emitting diode emitting a light of a first hue in a generally Lambertian radiation pattern; a bulb fitting over the light-emitting diode, said bulb having a generally spherical shape and a substantially circular external cross-sectional geometry, said bulb defining an inner cavity with a substantially circular cross-sectional geometry for housing the light-emitting diode, said bulb being composed of a light-transmitting material and a first light color-converting material; and a color-converting insert that is positioned in said inner cavity, said color-converting insert also being composed of a light-transmitting material and including a second light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a second hue, which is then emitted into the bulb, which converts the light of the second hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb. 11. A bulb adapted to fit over and around at least one light-emitting diode emitting a light of a first hue in a predetermined radiation pattern, said bulb being composed of a light-transmitting material and including a light color-converting material, said bulb defining an inner cavity having a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode, said bulb including a color-converting insert that is positioned in said inner cavity, said color-converting insert also being composed of a light-transmitting material and including a second light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a second hue, which is then emitted into the bulb, which converts the light of the second hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb. 12. The bulb as recited in claim 11, wherein the bulb has a generally spherical shape. 13. A bulb adapted to fit over and around at least one light-emitting diode emitting a light of a first hue in a generally Lambertian radiation pattern, said bulb being composed of a light-transmitting material and including a light color-converting material, said bulb defining an inner cavity having a cross-sectional geometry based on the generally Lambertian radiation pattern of the light-emitting diode, said bulb including a color-converting insert that is positioned in said inner cavity, said color-converting insert also being composed of a light-transmitting material and including a second light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a second hue, which is then emitted into the bulb, which converts the light of the second hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb. 14. The bulb as recited in claim 13, wherein the bulb has a generally spherical shape. 15. A lighting assembly, comprising: at least one light-emitting diode emitting a light of a first hue in a predetermined radiation pattern; and a bulb fitting over and around the light-emitting diode, said bulb being composed of a light-transmitting material and including a first light color-converting material, said bulb defining an inner cavity having a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode; and a color-converting insert that is positioned in the inner cavity defined by said bulb, said color-converting insert also being composed of a light-transmitting material and including a second light color-converting material, such that said light-emitting diode emits light of the first hue into said color-converting insert, which converts the light of the first hue into light of a second hue, which is then emitted into the bulb, which converts the light of the second hue into light of a desired hue, which is then observed over a light-emitting surface of the bulb.
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