发明授权
US08288943B2 Illumination device with LED and a transmissive support comprising a luminescent material 有权
具有LED的照明装置和包含发光材料的透射支架

Illumination device with LED and a transmissive support comprising a luminescent material
摘要:
The invention provides an illumination device (10) with a light emitting diode (20), a transmissive support (50) comprising a luminescent material (51), and a translucent exit window (60). The ratio of the diffuser cavity cross section (212) and LED cavity cross section (211) is larger than (1). With the proposed illumination device (10), the lamp may in particular look white when it is in the off-state and illuminated with white light. Other advantages are that an intrinsically efficient system may be provided and that a warm white option may be provided.
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