LIGHT GUIDE MODULE FOR A VEHICLE LAMP AND METHOD OF MANUFACTURING SUCH A LIGHT GUIDE MODULE
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United States of America Patent
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Issued Date -
May 4, 2017
app pub date -
Dec 18, 2015
filing date -
Nov 4, 2015
priority date (Note) -
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Abstract
A light guide module for a vehicle lamp may include a one-piece body including an in-coupling part formed so light of at least one external light source is coupled into the in-coupling part, a light-transmitting part formed adjacent to the in-coupling part such that the light coupled into the in-coupling part is transmitted by total internal reflection through the light-transmitting part away from the in-coupling part, a partially-transmitting part formed adjacent to the light-transmitting part such that the light transmitted through the light-transmitting part is partially transmitted by total internal reflection through the partially-transmitting part away from the light-transmitting part and is partially emitted on at least one light-emitting partial area of at least one side surface of the partially-transmitting part, and an out-coupling part formed adjacent to the partially-transmitting part such that the light transmitted through the partially-transmitting part is emitted on an out-coupling surface of the out-coupling part.
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