OPTICAL ELEMENT AND SHELF LAMP WITH THE OPTICAL ELEMENT
The invention discloses an optical element, comprising a rectangular light guide plate, a light source setting portion, a parallel light lens group, and a total reflection lens group, disposed between the parallel light lens group and the first side surface, a part of the parallel light from the par...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
18.10.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses an optical element, comprising a rectangular light guide plate, a light source setting portion, a parallel light lens group, and a total reflection lens group, disposed between the parallel light lens group and the first side surface, a part of the parallel light from the parallel light lens group is subjected to total reflection at least once to form a first parallel light parallel to the front surface, and the first parallel light enters the first side surface to make the second side surface emit light; another part of the parallel light from the parallel light lens group is totally reflected at least twice to form a second parallel light oblique to the front surface, and the second parallel light enters the first side surface to make the front surface emit light. |
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Bibliography: | Application Number: EP20200167995 |