Device for emitting various colors

Details Device for emitting various colors Device for emitting various colors

2011-05-17

2011-05-17

Loke, Steven (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

Plural light emitting devices

C257S098000, C257S103000, C313S502000, C313S503000, C362S249020, C362S293000, C438S028000, C438S035000

Reexamination Certificate

active

07943941

ABSTRACT:
A device for emitting various colors by mixing light from a first light emitting diode and light from a second light emitting diode comprises, according to one embodiment: the first light emitting diode including an LED chip comprising InGaN and being capable of emitting a blue color light, and a phosphor capable of absorbing a part of the blue color light and emitting a yellow color light, the blue color light and the yellow color light being mixed to make white-color light; the second light emitting diode being capable of emitting red, green or blue color light; and a drive circuit for separately driving each of the first and second light emitting diode.

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“Simens SM

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