Directional light emitting arrangement and a method of producing the same
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United States of America Patent
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Dec 25, 2018
Grant Date -
Nov 2, 2017
app pub date -
Oct 20, 2015
filing date -
Oct 27, 2014
priority date (Note) -
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Abstract
A light emitting arrangement is suggested for generating directional projections of light with sharply defined beam profile. Light from a top-emitting solid state light source (12), having reflective side-coating (34), is pre-collimated via a beam-shaping optic (16), before being propagated through a secondary collimating funnel (18), capturing any light rays with still too great an escape angle. Chip-scale package dimensions may be achieved through the use of a thin-film side-coating and undersized phosphor layers. Substrate level process flow further allows for parallel processing of a plurality of devices.
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