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US 2010/0134403 A1Published application
Light guide panel comprising symmetric fornt prism and asymmetric front prism for back light unit of lcd
AssigneeCheil Industries Inc.
InventorsChul Goo Chi, Sung Hyun Joo, O Yong Jeong, Jae Han Kim, Man Suk Kim
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Abstract
Disclosed herein is a light guide panel for a backlight unit of a liquid crystal display (LCD). The light guide panel enables adjustment in viewing angle and brightness at a specific position and angle by controlling a cross-sectional shape of front prisms of the light guide panel.
Claims10
A light guide panel for LCD backlight unit, comprising;
- a main body including a lateral side for receiving incident light, a front side for emitting light, and a rear side:
- a main prism part including a plurality of symmetric prisms disposed on the front side to have at least one separation plane between the symmetric prisms;
- and
- an assistant prism part including asymmetric prisms, each being disposed on the separation plane.
1 more element
Dependencies are inferred from the claim text.