HYBRID OPTICAL SHEET HAVING EXCELLENT OPTICAL CHARACTERISTICS AND ITS MANUFACTURING METHOD

摘要

The present invention relates to an optical sheet for a back light unit (BLU). Particularly, the present invention relates to an optical sheet structure for improving optical characteristics and its manufacturing method. An optical sheet according to an embodiment of the present invention includes a photoresist pattern layer which is formed by using water repellent coated powder; a planarization layer formed on the upper part of the photoresist pattern layer; and a micro-lens type pattern layer formed on the upper part of the planarization layer.