Importance

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Abstract

Disclosed is a double-chip LED including a leadframe, a green chip, a blue chip, a transparent colloid and a red fluorescent layer. The green chip is installed at the bottom of the leadframe; the blue chip is installed at the bottom of the leadframe and adjacent to the green chip; the transparent colloid is sprayed or coated onto the green chip and the blue chip; and the red fluorescent layer is disposed on the transparent colloid and excited by a green light source or a blue light source to produce a mixed light source. The red fluorescent layer can be a red fluorescent plate or red fluorescent powder. In the present double-chip LED, the green chip and the blue chip excite the red fluorescent plate or red fluorescent powder to produce a better white light mixing effect.

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First Claim