| 摘要 |
A light emitting device includes: a chip-mounting base formed with a plurality of conductive contacts; a reflector mounted on the chip-mounting base and defining a central hole; a first light emitting chip mounted on the chip-mounting base within the central hole and in electrical contact with respective ones of the conductive contacts for generating light with a first primary wavelength; a second light emitting chip stacked on and in electrical contact with the first light emitting chip for generating light with a second primary wavelength different from the first primary wavelength; and an encapsulant filling the central hole and capable of converting the first and second primary wavelengths into first and second secondary wavelengths, respectively.
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