公开(公告)号：US20220365260A1

公开(公告)日：2022-11-17

申请号：US17764281

申请日：2020-09-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kui Chen-Ho ,  Graham M. Clarke ,  Kevin W. Gotrik ,  Michael A. McCoy ,  Christopher A. Merton ,  Aaron M. Nash ,  Shri Niwas ,  Anthony F. Schultz ,  Carla S. Thomas ,  Tien Yi T.H. Whiting ,  Ying Xia ,  Scott J. Jones

IPC: G02B5/128 ,  G02B1/111 ,  G02B1/12

Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer and a discontinuous binder-borne reflective layer that is provided by a portion of a fractured binder-borne reflective sheet.