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.

公开(公告)号：US20160266298A1

公开(公告)日：2016-09-15

申请号：US15033169

申请日：2014-09-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Joshua D. TIBBITS ,  Shu-Ching FAN ,  Fumihisa HANZAWA ,  Tatsuya NAKAMURA ,  Hideaki SHIROTORI ,  John F. VAN DERLOFSKE, III

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/005 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0088 ,  G02F1/133617

Abstract: Edge-lit LCD backlight units having a viewable area comprise (a) a downconversion film element, (b) a light guide comprising extraction elements, (c) a reflector and (d) blue LEDs. The extraction elements extend beyond the viewable area.

Abstract translation: 具有可视区域的边缘照明LCD背光单元包括（a）下变频膜元件，（b）包括提取元件的光导，（c）反射器和（d）蓝色LED。 提取元素延伸到可视区域之外。