Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 26, 2009
Patent Application Number
10582960
Date Filed
December 16, 2004
Patent Primary Examiner
Patent abstract
A backlight device with improved efficiency in the utilization of light and a liquid crystal display device providing this backlight device are provided, the backlight device comprising at least a light source 2, a light guide plate 1 and a reflector 10, in which the light guide plate 1 further provides an entry face 5 into which light from the light source is incident, a lower face 4 substantially perpendicular to the entry face 5 and that opposes the reflector 10, and an upper face 3 that opposes the lower face 4, and reflective elements 6 that are capable of reflecting such that light is emitted from the lower face 4 toward the reflector 10 are disposed on the upper face 3 of the light guide plate.
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