Lighting device with virtual light source
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United States of America Patent
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May 15, 2018
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N/A
app pub date -
Jul 7, 2015
filing date -
Jul 21, 2014
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Abstract
A lighting device (1) is provided comprising a base (5), at least one light source (4) arranged at the base, at least one light transmissive optical element (7), and a light transmissive envelope (6) arranged to cover the at least one light source and the at least one optical element. At least a portion of the at least one optical element has a thickness (D) increasing in direction towards the base such that the at least one optical element refracts light emitted by the at least one light source for creating at least one virtual light source (8) spaced from the base. The present aspect is advantageous in that each one of the envelope and the optical element may be manufactured separately, e.g. by standard injection molding technique.
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