Light-source module
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United States of America Patent
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Jul 18, 2017
Grant Date -
Feb 5, 2015
app pub date -
Jul 21, 2014
filing date -
Jul 31, 2013
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Abstract
A light-source module includes an optical film and at least one light-source unit, which together enclose a space. The light-source unit includes a reflective assembly, a light-concentrating unit and at least one light-emitting assembly. The light-concentrating unit has a light exiting end and a light incidence end, and the light exiting end faces the space enclosed by the light-source unit and the optical film. The optical-axis direction of the light-emitting assembly is defined as a first direction, and the direction perpendicular to both the first direction and the optical film is defined as a second direction. The length of the light-concentrating unit in the first direction is defined as a light-concentrating distance, the width of the light exiting end in the second direction is defined as a light exiting width, and the ratio of the light-concentrating distance over the light exiting width is greater than 0.5 but less than 10.
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