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公开(公告)号：US11867932B2
公开(公告)日：2024-01-09
申请号：US16913424
申请日：2020-06-26
Applicant: LG Display Co., Ltd.
Inventor： JaeJung Han , JaeJin Kim , JinRyun Kim , SeMin Lee , DaeYong Kim , Eunhee Choi
Abstract: The present disclosure relates to a light control film having nano (or nano-scale) light absorbing layer and a display using the same. A light control film according to the present disclosure includes a lower layer having a first axis and a second axis, a middle layer having a predetermined thickness disposed between the lower layer and the upper layer, and a plurality of nano light absorbing layers arrayed with a predetermined intercals along the first axis in the middle layer, each of the nano light absorbing layer having a width along the first axis, a length along the second axis and a height corresponding to the thickness of the middle layer, wherein a ratio between the interval and the width of the nano light absorbing layer is selected from any one of 10:1 to 20:1.
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公开(公告)号：US20180180790A1
公开(公告)日：2018-06-28
申请号：US15847613
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： JaeJin Kim , MinSoo Park
IPC: F21V8/00
CPC classification number: G02B6/0016 , G02B6/0036 , G02B6/0038 , G02B6/0068 , G02F1/133615
Abstract: The present disclosure relates to a backlight unit and a display device including the backlight unit. The backlight unit includes a first pattern in a first region of a light guide plate including a light incidence surface and a second pattern in a second region of the light guide plate extending from the first region, so that, in the first region, a directional angle of light can be improved so as to prevent the occurrence of hot spots, and in the second region, a line light source can be converted into a plane light source.
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公开(公告)号：US11036321B2
公开(公告)日：2021-06-15
申请号：US16523427
申请日：2019-07-26
Applicant: LG DISPLAY CO., LTD.
Inventor： SeMin Lee , JaeJin Kim , JaeJung Han , JinRyun Kim , DaeYong Kim , YongJoong Yoon
IPC: G06F3/041 , G02F1/1337 , G02B5/30 , G02B5/02 , G02B5/00
Abstract: A light control film can include a lens part including a plurality of optical patterns; a viewing angle controller including a plurality of slits; and a first based film disposed between the lens part and the viewing angle controller, in which the viewing angle controller has a light transmitting part and a light absorbing part which are alternately disposed, the light absorbing part being disposed in each of the plurality of slits.
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公开(公告)号：US10393937B2
公开(公告)日：2019-08-27
申请号：US15847613
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： JaeJin Kim , MinSoo Park
IPC: F21V7/04 , F21V8/00 , G02F1/1335
Abstract: The present disclosure relates to a backlight unit and a display device including the backlight unit. The backlight unit includes a first pattern in a first region of a light guide plate including a light incidence surface and a second pattern in a second region of the light guide plate extending from the first region, so that, in the first region, a directional angle of light can be improved so as to prevent the occurrence of hot spots, and in the second region, a line light source can be converted into a plane light source.
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