公开(公告)号：US20200341180A1

公开(公告)日：2020-10-29

申请号：US16757898

申请日：2018-10-26

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kui CHEN-HO ,  Michael A. MCCOY ,  John A. WHEATLEY ,  Susannah C. CLEAR ,  Michelle L. TOY ,  Alex P. PONGRATZ ,  Matthew E. SOUSA ,  Matthew B. JOHNSON ,  Gilles BENOIT ,  David J.W. AASTUEN ,  Guanglei DU ,  Tien Yi T.H. WHITING ,  Kevin W. GOTRIK ,  Christopher A. MERTON ,  Ying XIA ,  Olester BENSON, JR. ,  Charles A. SHAKLEE ,  Travis L. POTTS ,  Carla S. THOMAS

IPC: G02B5/30 ,  G02B5/124 ,  G02B5/128

Abstract: The disclosed light directing article has an optical element and a conformal retarder with predefined thickness that contours with the optical element. In one aspect, the light directing article is a retroreflective article, which further comprises a phase reversing optical reflector.