发明授权
US5959316A Multiple encapsulation of phosphor-LED devices 有权
磷光体LED器件的多重封装

Multiple encapsulation of phosphor-LED devices
摘要:
A semiconductor device has a light-emitting diode covered by a transparent spacer which separates the LED from a uniformly thick fluorescent material containing layer such that there is a more uniform lighting of the fluorescent material containing layer to provide a uniform white light.
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