Title:
LIGHT GUIDE PLATE, AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2012138209
Kind Code:
A
Abstract:
To provide a light guide plate, and a method of manufacturing the same, having a perfect uniform-brightness fine pattern formed on a reflecting face in comparatively short time (shortening of processing time) through prevention of printing omission at an edge part of the light guide plate that is a problem in screen printing.
In the light guide plate having light incident from an end face and emitted from an emission face of one surface and having a uniform-brightness fine pattern formed on a reflecting face opposed to the emission face, the uniform-brightness fine pattern is formed of a screen-printed convex pattern and a laser-punched concave pattern.
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Inventors:
ONISHI KAZUMA
UEDA TOMOO
MIZUNO KIYOSHI
UEDA TOMOO
MIZUNO KIYOSHI
Application Number:
JP2010288449A
Publication Date:
July 19, 2012
Filing Date:
December 24, 2010
Export Citation:
Assignee:
OKURA INDUSTRIAL CO LTD
International Classes:
F21S2/00; G02F1/13357; F21Y101/02
Domestic Patent References:
| JP2008078060A | 2008-04-03 | |||
| JP2007109554A | 2007-04-26 | |||
| JPH05303017A | 1993-11-16 | |||
| JPH05313017A | 1993-11-26 | |||
| JP2010282911A | 2010-12-16 | |||
| JP2008218207A | 2008-09-18 |