CONVERSION TYPE LIGHT EMITTING DEVICE
First Claim
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1. A conversion type light emitting device, comprising:
- at least one light emitting diode (LED) element having a light emitting range; and
a fluorescent element to convert a wavelength of light emitted from the LED element when disposed at a first location in the light emitting range, the fluorescent element being movable from the first location to a second location outside the light emitting range.
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Abstract
A conversion type light emitting device includes at least one LED element having a predetermined light emitting range and a fluorescent element performing wavelength conversion of light emitted from the LED element when disposed at a first location in the predetermined light emitting range. The fluorescent element is movable from a first location to a second location outside the predetermined light emitting range.
12 Citations
21 Claims
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1. A conversion type light emitting device, comprising:
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at least one light emitting diode (LED) element having a light emitting range; and a fluorescent element to convert a wavelength of light emitted from the LED element when disposed at a first location in the light emitting range, the fluorescent element being movable from the first location to a second location outside the light emitting range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A conversion type light emitting device, comprising:
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a light emitting diode (LED) element; and a fluorescent element to convert a wavelength of light emitted from the LED element, the fluorescent element being movable with respect to the LED element. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A conversion type light emitting device, comprising:
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an ultraviolet (UV) light emitting diode (LED) element; and a fluorescent element being movable with respect to the UV LED element, wherein the fluorescent element comprises a phosphor to convert a wavelength of UV light into light having a different wavelength from that of the UV light.
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Specification