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In this paper, we prepared a multi-color phosphor-in-glass (PiG) for the packaging of warm white light-emitting diodes (WLEDs). The multi-color PiG yields a red, green, and blue (RGB) phosphors glass layer, which was screen-printed and co-sintered on a glass plate at the temperature of 600°C. The RGB-PiGs were directly bonded on flip-chip ultraviolet (UV) LEDs. By controlling the thickness of RGB...
In this paper, we present a simple and green approach to economically fabricate microlens arrays (MLAs) on fluoropolymer encapsulation for deep ultraviolet light-emitting diodes (DUV-LEDs). The MLAs can be fabricated by micromolding water condensing based porous films. By controlling the input current and working time of initiative cooling, uniform porous film with the average height of 1.58 µm and...
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