公开(公告)号：EP3405819A1

公开(公告)日：2018-11-28

申请号：EP16885927.0

申请日：2016-05-06

申请人： 3M Innovative Properties Company

发明人： CHEN, Jingfei ,  DU, Guanglei ,  WHEATLEY, John A. ,  LV, Yihang ,  RENSTROM, Anthony M. ,  SHARMA, Neeraj ,  XU, Fuguo

IPC分类号： G02B5/22

CPC分类号： G02B5/22 ,  G02B5/26

摘要： A system may include one or both of a light emitter and a light receiver. The system may include an optical filter adjacent one or both of the light emitter or the light receiver. The optical filter includes a wavelength selective scattering layer. The wavelength selective scattering layer may have a near-infrared scattering ratio of less than about 0.9. The filter may have a visible reflective haze ratio of greater than about 0.5. A method may include disposing the wavelength selective scattering layer adjacent one or both of the light emitter and the light receiver. An article may include the optical filter. The wavelength selective scattering layer may have an average near-infrared scattering of less than 60%, an average visible scattering of greater than 10%, and a difference between the % total visible reflectance and the % diffuse visible reflectance of less than 20.

公开(公告)号：EP3529648A1

公开(公告)日：2019-08-28

申请号：EP16919580.7

申请日：2016-10-20

申请人： 3M Innovative Properties Company

发明人： DU, Guanglei ,  WHEATLEY, John A ,  LV, Yihang ,  XU, Zhiyong ,  CHEN, Jingfei

IPC分类号： G02B6/00