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公开(公告)号：US10976599B2
公开(公告)日：2021-04-13
申请号：US16550267
申请日：2019-08-25
Applicant: Samsung Display Co., Ltd.
Inventor： Hee Kwang Song , Ju Young Yoon , Ki Se Lee
IPC: G02F1/13357 , F21V8/00 , F21V9/30 , F21K9/64 , G02F1/1335
Abstract: A backlight unit includes a first light guide plate, a second light guide plate disposed over the first light guide plate, and a first wavelength conversion layer disposed between the first light guide plate and the second light guide plate.
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