公开(公告)号：US20170242178A1

公开(公告)日：2017-08-24

申请号：US15505397

申请日：2015-08-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Joshua D. TIBBITS ,  Yu YANG ,  JianGang SU ,  Feng ZHAO ,  Wenlong YANG ,  Shu-Ching FAN

IPC: F21V8/00

CPC classification number: G02B6/005 ,  G02B6/0055 ,  G02B6/0088 ,  G02F1/133609 ,  G02F2001/133614

Abstract: Methods for improving color uniformity across an LCD backlight unit having a viewable area, a downconversion film element and blue LEDS comprise increasing blue light absorption while reflecting red and green light in at least one edge of the viewable area.