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US 8,136,976 B2Granted
Light guiding structure of a light guide plate
AssigneeAu Optronics Corporation
InventorsChiung-Han Wang, Jing-Huan Liao, Yu-Tsung Huang
Life of this patent
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Abstract
A light guiding structure of a light guide plate is provided. The light guiding structure comprises a plurality of protrusion ridge portions extending along a longitudinal direction. The height or the vertex angle of each protrusion ridge portion periodically or randomly varies along the longitudinal direction.
Claims15
A light guiding structure of a light guide plate, comprising:
- a plurality of protrusion ridge portions extending along a longitudinal direction, in which each of the protrusion ridge portions has a height having a height variation and an average height corresponding thereto along the longitudinal direction;
- wherein the height variation is between 2% and 15% of the average height.
Dependencies are inferred from the claim text.