Mckenna Long & Aldridge LLP
Micro-lens array sheet and backlight unit comprising the same
The present invention relates to a microlens array sheet with enhanced optical performance, and a backlight unit having same, and more specifically, to a microlens array sheet and a backlight unit having same, the microlens array sheet comprising: a base portion; and a plurality of microlenses formed on one surface of the base portion, wherein the plurality of microlenses have an irregular array, and the standard deviation of the distance between the mid points of two microlenses adjacent to each other is, 2-20% of the average pitch(p) between microlenses adjacent from the mid point of a selected microlens after selecting one of the microlenses.
LG Chem, Ltd.
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inventional additional additional
Yune-Hyoun Sang-Choll
Kim Han