| 摘要 |
An LED(light emitting device) is provided to reduce the size of a light emitting device as compared with a conventional LED assembly requiring at least three LED's by including a die capable of simultaneously emitting first and second color light. A die(1) includes first and second semiconductor light emitting layers. The die further includes a third semiconductor light emitting layer which emits ultraviolet ray. The first semiconductor light emitting layer emits first color light with a first wavelength range. The second semiconductor light emitting layer emits second color light with a second wavelength range different from the first wavelength range. A photostimulable luminescent substance(2) is excited by at least one of the first and the second color light and emits third color light. The third color light is mixed with the first and second color light to generate mixture light having a wavelength range including the first, the second and the third wavelength ranges.
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