Light control apparatus and method
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United States of America Patent
Stats
-
Apr 11, 2023
Grant Date -
Jul 15, 2021
app pub date -
Jan 15, 2020
filing date -
Jan 15, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A light control apparatus includes a diffuser plate, a light source, a light pipe, and a light blocker. The diffuser plate includes at least one opening therein. The diffuser plate includes feature located around the opening in the diffuser plate that exposes a portion of the diffuser plate. A light source positioned proximate a second surface of the diffuser plate is optically coupled to a light pipe positioned around a portion of the opening near the second surface of diffuser plate. A light blocker is positioned near a second portion of the at least one feature. The light blocker is positioned between the light source and the second portion of the feature, the light blocker having an opening therein to allow light to pass from the light source to the diffuser plate proximate the second portion of the feature.
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