LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, TRANSMISSION-TYPE IMAGE DISPLAY DEVICE, METHOD OF MANUFACTURING LIGHT GUIDE PLATE, AND ULTRAVIOLET CURING TYPE INK-JET INK FOR LIGHT GUIDE PLATE
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Feb 2, 2012
filing date -
Feb 2, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention provides a light guide plate capable of emitting light from a light-emitting surface at a higher luminance, a surface light source device and a transmission-type image display device having the light guide plate, a light guide plate manufacturing method, and a UV curable inkjet ink for the light guide plate. A light guide plate includes: a transparent resin sheet having a light-emitting surface that emits light incident from an end face and having a rear face on the opposite side of the light-emitting surface; and a plurality of reflective dots provided on the rear face of the transparent resin sheet and formed by photo-curing of dot-shaped ink. The ink contains a pigment, a photopolymerizable component, and a photopolymerization initiator. In addition, the rear face is a liquid repellent-treated surface.
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