Method of Light Dispersion and Preferential Scattering of Certain Wavelengths of Light-Emitting Diodes and Bulbs Constructed Therefrom
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Abstract
A method for preferential scattering of certain wavelengths of light and/or dispersing light in an LED or LED bulb. The method includes emitting light from at least one LED die, and scattering the light from the at least one LED die by dispersing a plurality of particles having a size a fraction of at least one dominant wavelength of the light from the at least one LED die in the LED outer shell or in an LED bulb or in an at least one shell of an LED bulb. Alternatively, the method includes emitting light from the at least one LED die, and dispersing the light from the at least one LED die by distributing a plurality of particles having a size one to a few times larger than a dominant wavelength of the light from the LED in an outer shell, or body of the LED bulb.
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Citations
36 Claims
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1-16. -16. (canceled)
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17. A method for preferential scattering of certain wavelengths of light in an LED, the method comprising:
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emitting light from an LED die; and scattering the light from the LED die by dispersing a plurality of particles having a size a fraction of at least one dominant wavelength of the light from the LED die in at least one outer shell of the LED. - View Dependent Claims (18, 19)
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20. A method for preferential scattering of certain wavelengths of light in an LED bulb, the method comprising:
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emitting light from at least one LED; and scattering the light from the at least one LED by dispersing a plurality of particles having a size a fraction of at least one dominant wavelength of the light from the at least one LED in at least one outer shell of the LED bulb. - View Dependent Claims (21)
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22. A method for preferential scattering of certain wavelengths of light in an LED bulb, the method comprising:
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emitting light from at least one LED; and scattering the light from the at least one LED by dispersing a plurality of particles having a size a fraction of at least one dominant wavelength of the light from the at least one LED in the LED bulb. - View Dependent Claims (23)
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24. A method for dispersing light in an LED bulb, the method comprising:
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emitting light from at least one LED; and scattering the light from the at least one LED by distributing a plurality of particles having a size one to a few times larger than a dominant wavelength of the light from the at least one LED in the LED bulb. - View Dependent Claims (25)
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26. A method for dispersing light in an LED bulb, the method comprising:
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emitting light from at least one LED; and scattering the light from the at least one LED by distributing a plurality of particles having a size one to a few times larger than a dominant wavelength of the light from the at least one LED in at least one shell of the LED bulb. - View Dependent Claims (27)
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28. An LED, comprising:
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an LED die; at least one shell encapsulating or partially encapsulating the die and having a plurality of particles dispersed therein, and wherein the plurality of particles are such a size as to disperse, and/or preferentially scatter certain wavelengths of, the light emitted from the LED. - View Dependent Claims (29, 30)
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31. An LED bulb, comprising:
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a bulb having a plurality of particles dispersed therein; at least one LED; and wherein said plurality of particles are of such a size as to disperse, and/or preferentially scatter certain wavelengths of, the light emitted from the at least one LED. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification