Light emitting device, light emitting device assembly and relevant projection system
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Jan 7, 2013
filing date -
Feb 26, 2012
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Abstract
A light emitting device assembly comprises a wavelength conversion device, a drive device and an adapter. The wavelength conversion device comprises a wavelength conversion layer having at least one wavelength conversion region for receiving an exciting light and converting it into an excited light. The drive device comprises a drive surface used to drive the wavelength conversion device to move, so that a light spot of the exciting light acts on the wavelength conversion device along a preset path. The adapter coaxially connects the drive device and the wavelength conversion device and enables a light ray to arrive at the wavelength conversion device on a side facing the drive device and inside an axial-direction projection of the drive surface on the surface of the wavelength conversion device. The drive surface and the wavelength conversion layer at least partially overlap along the projection surface of the axial projection.
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