OPTICAL SHEET OF ARRANGED FOR MICRO LENS HAVE DIFFERENT HEIGHT OR SIZE

摘要

The present invention includes a base film and a micro lens array forming a multiple of different heights and sizes of the micro lens on the base film. The micro lens array provides a first micro lens and an optical sheet forming shorter and smaller of a second micro lens than the first micro lens in the contact region which exceeds 40%-80% in diameter of the first micro lens.