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公开(公告)号：US10330851B2
公开(公告)日：2019-06-25
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 , G02F1/1335
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.
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