公开(公告)号：US20180341130A1

公开(公告)日：2018-11-29

申请号：US15988106

申请日：2018-05-24

Applicant: LG Display Co., Ltd.

Inventor： JinRyun KIM ,  Youngki SONG ,  MinSoo PARK ,  Eunhee CHOI

IPC: G02F1/13 ,  G02B26/02

Abstract: A viewing angle controlling film, a backlight unit using the same, and a display device using the same are disclosed. The viewing angle controlling film comprises a first area where light transmittance is not converted; and a second area where light transmittance is converted, wherein the second area includes a light-transmittance conversion portion configured to react with light of a predetermined wavelength range to convert the light transmittance and not to react with light of a wavelength range other than the predetermined wavelength range.

公开(公告)号：US20170192156A1

公开(公告)日：2017-07-06

申请号：US15392646

申请日：2016-12-28

Applicant: LG Display Co., Ltd.

Inventor： Youngki SONG ,  MyungJoon PARK

IPC: F21V8/00 ,  G02F1/133 ,  G02F1/1333

CPC classification number: G02B6/0068 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0045 ,  G02B6/0073 ,  G02F1/13306 ,  G02F1/133308 ,  G02F1/133603 ,  G02F1/133615 ,  G02F2001/133331 ,  G02F2001/133601 ,  G02F2001/133607 ,  G02F2001/133626

Abstract: Disclosed is a backlight unit for minimizing consumption power in realizing partial luminance The backlight unit includes a light guide member including a first light incident part and a second light incident part, a first light source unit disposed in the first light incident part, and a second light source unit disposed in the second light incident part. The first light source unit and the second light source unit have different luminous intensities.