公开(公告)号：US11150511B2

公开(公告)日：2021-10-19

申请号：US16992964

申请日：2020-08-13

Applicant: LG Display Co., Ltd.

Inventor： YongSeok Lee ,  JinRyun Kim ,  YongJoong Yoon

IPC: G02F1/1335 ,  G02F1/13357

Abstract: Disclosed is a backlight unit comprising an optical unit including a substrate on which a plurality of light emitting devices for irradiating light are disposed, for uniformly distributing the light emitted from the plurality of light emitting devices, a cover bottom accommodating the optical unit, and a side housing fixed to the cover bottom and disposed to overlap at least a part of an upper surface of the optical unit. A display device using the backlight unit is also provided.

公开(公告)号：US20200183222A1

公开(公告)日：2020-06-11

申请号：US16704908

申请日：2019-12-05

Applicant: LG Display Co., Ltd.

Inventor： YongJoong Yoon ,  JaeJung Han ,  JinRyun Kim

IPC: G02F1/1333 ,  G09G3/36 ,  G09G3/34 ,  G02F1/1335 ,  G02F1/1334 ,  G02F1/1343

Abstract: Disclosed is a backlight unit including a light guide member including one side surface and the other side surface parallel to the one side surface, a light source module disposed on the one side surface of the light guide member, and a local dimming part disposed on the light guide member and including a liquid crystal layer, wherein the liquid crystal layer has an inclined surface disposed between the one side surface and the other side surface of the light guide member.

公开(公告)号：US11163187B2

公开(公告)日：2021-11-02

申请号：US16704908

申请日：2019-12-05

Applicant: LG Display Co., Ltd.

Inventor： YongJoong Yoon ,  JaeJung Han ,  JinRyun Kim

IPC: G02F1/1333 ,  G09G3/36 ,  G09G3/34 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1334

Abstract: Disclosed is a backlight unit including a light guide member including one side surface and the other side surface parallel to the one side surface, a light source module disposed on the one side surface of the light guide member, and a local dimming part disposed on the light guide member and including a liquid crystal layer, wherein the liquid crystal layer has an inclined surface disposed between the one side surface and the other side surface of the light guide member.

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.

公开(公告)号：US10473844B2

公开(公告)日：2019-11-12

申请号：US15335864

申请日：2016-10-27

Applicant: LG Display Co., Ltd.

Inventor： JaeJung Han ,  SangHyun Lee ,  YongJoong Yoon ,  Hyosung Lee

IPC: F21V8/00

Abstract: A backlight unit, a liquid crystal display (LCD) device, and an electronic device including the same are provided. The backlight unit includes a light guide member having a light receiving edge provided on an outer wall, and a hole spaced apart from light receiving edge; a light source configured to provide light to the light receiving edge; and a reflective member on an inner wall of the hole of the light guide member.

公开(公告)号：US09835787B2

公开(公告)日：2017-12-05

申请号：US15275703

申请日：2016-09-26

Applicant: LG Display Co., Ltd.

Inventor： SangHyun Lee ,  JaeJung Han ,  YongJoong Yoon ,  Hyosung Lee

IPC: F21V8/00

CPC classification number: G02B6/0043 ,  G02B6/002 ,  G02B6/0021 ,  G02B6/0045 ,  G02B6/0061 ,  G02B6/0068

Abstract: A light guide plate includes a main body having a light receiving edge and an opposite side, the opposite side being opposite from the light receiving edge; at least one variant portion having a protruded portion that protrudes from the main body from the opposite side, the at least one variant portion defining a hole vertically passing through the main body; and an optical pattern provided in the at least one variant portion.