Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 23, 2007
0Patent Application Number
109064620
Date Filed
February 22, 2005
0Patent Primary Examiner
Patent abstract
A light-guide plate comprising a light-guide board having a first refractive index and at least one light-guide part buried inside the light-guide board is provided. The light-guide part has a second refractive index larger than the first refractive index. The light-guide board and the light-guide part buried therein have different refractive indices so that the total reflection may occur for improving the light transmission efficiency in the light-guide plate.
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