公开(公告)号：US11181777B2

公开(公告)日：2021-11-23

申请号：US17100145

申请日：2020-11-20

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  Hyunmin Park

IPC: G02F1/13357 ,  G02F1/1335

Abstract: Embodiments of the present disclosure provides with a backlight unit and a display device with the backlight unit including a plurality of light emitting elements disposed on a substrate, a first reflector disposed on the substrate and including a plurality of holes, one of the plurality of light emitting elements being disposed in each hole, a light conversion sheet disposed on the substrate and having a light conversion pattern disposed at a position overlapping the light emitting element, and a phosphor sheet having a first phosphor disposed on the substrate, wherein a size of first light emitting elements disposed on the edge of the substrate among the plurality of light emitting elements is larger than size of second light emitting elements disposed in the center of the substrate.

公开(公告)号：US20240213297A1

公开(公告)日：2024-06-27

申请号：US18497601

申请日：2023-10-30

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  HyeonHo Son ,  DongSeok Lee ,  JuSang Rhim ,  Sunghwan Yoon ,  MinJae Kang ,  YuSeop Shin

IPC: H01L27/15 ,  H01L25/075 ,  H01L27/12 ,  H01L33/24

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L27/124 ,  H01L33/24

Abstract: According to an aspect of the present disclosure, a display device includes a substrate in which a pixel including a plurality of sub pixels is defined; an adhesive layer disposed on the substrate; and a plurality of light emitting diodes self-assembled which are transferred onto the adhesive layer and disposed in the plurality of sub pixels. Accordingly, the light emitting diode is disposed on the adhesive layer to fix the light emitting diode which is transferred from the donor.

公开(公告)号：US11852922B2

公开(公告)日：2023-12-26

申请号：US17857577

申请日：2022-07-05

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  Hyunmin Park ,  MyungWon Seo

IPC: G02F1/13357 ,  F21V8/00

CPC classification number: G02F1/133611 ,  G02B6/0065 ,  G02F1/133605 ,  G02F1/133606 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/133603

Abstract: A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.

公开(公告)号：US20230026878A1

公开(公告)日：2023-01-26

申请号：US17857577

申请日：2022-07-05

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  Hyunmin Park ,  MyungWon Seo

IPC: G02F1/13357

Abstract: A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.

公开(公告)号：US10649134B2

公开(公告)日：2020-05-12

申请号：US15197252

申请日：2016-06-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyunmin Park ,  SangChul Ryu ,  RokHee Lee ,  Suhun Lee

IPC: F21V8/00

Abstract: There are provided a circuit device for emitting heat to the outside and a backlight unit including the same. The present invention relates to a display device, a backlight unit connected to a display panel, or a constituent element thereof. The circuit device generates heat, and one or more heat emitting units for emitting heat generated from the light source of the backlight unit to the outside are added to the circuit device, and the backlight unit controlled by the aforementioned circuit device is provided. Each of the heat emitting units according to one embodiment of the present invention includes two or more different material layers to fix the circuit device and provide a heat emitting/directing function.