Mobile terminal including diffractive optical element moved different distances to irradiate different light patterns on a subject
A mobile terminal having a lighting device including a light emitting element, a diffractive optical element (DOE) to diffract a part of light output from the light emitting element, and a driving unit to move the diffractive optical element so as to vary a distance between the light emitting elemen...
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Format | Patent |
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Language | English |
Published |
28.04.2020
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Online Access | Get full text |
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Summary: | A mobile terminal having a lighting device including a light emitting element, a diffractive optical element (DOE) to diffract a part of light output from the light emitting element, and a driving unit to move the diffractive optical element so as to vary a distance between the light emitting element and the diffractive optical element. |
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