Light emitting device and display
First Claim
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1. A light emitting diode comprising:
- a lead,an LED chip mounted on said lead,a transparent material covering said LED chip, anda phosphor contained in said transparent material and absorbing a part of light emitted by the LED chip and emitting light of wavelength different from that of the absorbed light;
wherein a particle of said phosphor reflects said light from another particle of said phosphor, anda concentration of said phosphor in the vicinity of said LED chip is larger than a concentration of said phosphor in the vicinity of the surface of said transparent material.
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Abstract
A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.
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Citations
18 Claims
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1. A light emitting diode comprising:
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a lead, an LED chip mounted on said lead, a transparent material covering said LED chip, and a phosphor contained in said transparent material and absorbing a part of light emitted by the LED chip and emitting light of wavelength different from that of the absorbed light; wherein a particle of said phosphor reflects said light from another particle of said phosphor, and a concentration of said phosphor in the vicinity of said LED chip is larger than a concentration of said phosphor in the vicinity of the surface of said transparent material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification