公开(公告)号：US20210116101A1

公开(公告)日：2021-04-22

申请号：US17108206

申请日：2020-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/13357

Abstract: A display device includes a display panel; a frame at a rear of the display panel, the frame including a bottom and a sidewall extending from the bottom; a substrate on the frame; a light source mounted on the substrate; a lens mounted on the light source in which the lens includes an upper surface, a lower surface, and a side surface connected with the upper surface and the lower surface; a reflecting layer between the substrate and the lens; and a plurality of dots formed on a top surface of the reflecting layer. Further, the lower surface of the lens includes a groove in which the light source is inserted, and the plurality of dots is arranged around the light source and only in an area under the lens between the side surface and the groove.

公开(公告)号：US20190310518A1

公开(公告)日：2019-10-10

申请号：US16441910

申请日：2019-06-14

Applicant: LG ELECTRONICS INC.

Inventor： Jeonggyu KIM ,  Jongho HAN ,  Eunseok KIM ,  Uihyung LEE ,  Juyoung JOUNG ,  Jinsin PARK

IPC: G02F1/1335

Abstract: A backlight unit including a frame having a bottom area and a sidewall area extended from the bottom area; a single substrate located in on the bottom area of the frame, a plurality of optical assemblies being mounted on the single substrate; a reflection sheet located the frame and configured to reflect light emitted by the optical assemblies; and an optical sheet located over the reflection sheet. Further, the reflection sheet a first sheet area corresponding to the bottom area of the frame; a second sheet area corresponding to the sidewall area of the frame; and a cut portion cut from the first sheet at one portion abutting on one side of the single substrate.

公开(公告)号：US20180164639A1

公开(公告)日：2018-06-14

申请号：US15881184

申请日：2018-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335 ,  F21V7/04

CPC classification number: G02F1/133603 ,  F21V7/04 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit can include a frame including a bottom and a sidewall extending from the bottom; at least one substrate located on the frame, and a plurality of light sources mounted on the at least one substrate; and a reflecting sheet located on the at least one substrate, in which the reflecting sheet includes a first sheet part located on the bottom, the first sheet part including a plurality of holes corresponding to the plurality of the light sources; and a second sheet part extended from the first sheet part, the second sheet part including a horizontal dot area located along a long side of the reflecting sheet and a vertical dot area located along a short side of the reflecting sheet, and at least one of the horizontal dot area and the vertical dot area comprising first areas and second areas. Further, the first areas correspond to outermost holes among the plurality of holes, and the second areas are located between the first areas, the first areas and the second areas include a plurality of dot areas, each of the dot areas includes a plurality of dots, a size of dots included in one of the plurality of dot areas is different from a size of dots included in another of the plurality of dot areas in the first area, a size of dots included in one of the plurality of dot areas is different from a size of dots included in another of the plurality of dot areas in the second area.

公开(公告)号：US20180156417A1

公开(公告)日：2018-06-07

申请号：US15874682

申请日：2018-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/1335 ,  F21Y115/10 ,  F21Y105/10

CPC classification number: F21V7/0066 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611

Abstract: A display device including a display panel; a frame at a rear of the display panel, the frame including a bottom and a sidewall extending from the bottom; a substrate on the frame; a plurality of light sources mounted on the substrate; and a reflecting sheet on the substrate. The reflecting sheet includes a first sheet part on the bottom and having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side, the first sheet part comprising a plurality of holes corresponding to the plurality of light sources; a second sheet part extended from the first sheet part toward the side wall of the frame; and a plurality of dots on the second sheet part, wherein the plurality of dots reduces a reflectance of light, and wherein a size of the plurality of dots increases from a corner of the second sheet part in a first direction parallel to the long sides and a second direction parallel to the short sides.

公开(公告)号：US20170059936A1

公开(公告)日：2017-03-02

申请号：US15348622

申请日：2016-11-10

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335

CPC classification number: G02F1/133603 ,  F21V7/04 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit including a frame including a bottom and a sidewall extending from the bottom; at least one substrate located on the frame, and a plurality of light sources mounted on the at least one substrate; and a reflecting sheet located on the at least one substrate, further the reflecting sheet includes a first sheet part located on the bottom, the first sheet part including a plurality of holes corresponding to the plurality of the light sources; and a second sheet part extended from the first sheet part, the second sheet part including a horizontal dot area located along a long side of the reflecting sheet and a vertical dot area located along a short side of the reflecting sheet, and at least one of the horizontal dot area and the vertical dot area comprising first areas and second areas, also the first areas correspond to outermost holes among the plurality of holes, and the second areas are located between the first areas, in addition the first areas and the second areas include a plurality of dot areas, further each of the dot areas includes a plurality of dots, also a size of dots included in one of the plurality of dot areas is different from a size of dots included in another of the plurality of dot areas in the first area, in addition a size of dots included in one of the plurality of dot areas is different from a size of dots included in another of the plurality of dot areas in the second area, further the first and second areas comprise first dot areas, the first dot areas are positioned at a same distance between a first distance and a second distance from a line, the line being an imaginary line connecting the outermost holes along at least one of the long side and the short side of the reflecting sheet, and also a size of dots included in the first dot area of the first area is greater than a size of dots included in the first dot area of the second area.

Abstract translation: 一种背光单元，包括框架，该框架包括从底部延伸的底部和侧壁; 位于所述框架上的至少一个基板和安装在所述至少一个基板上的多个光源; 以及位于所述至少一个基板上的反射片，所述反射片还包括位于所述底部的第一片部，所述第一片部包括与所述多个光源对应的多个孔; 以及从第一片部延伸的第二片部，第二片部包括沿着反射片的长边设置的水平点区域和沿着反射片的短边设置的垂直点区域，以及至少一个 所述水平点区域和所述垂直点区域包括第一区域和第二区域，所述第一区域也对应于所述多个孔中的最外面的孔，并且所述第二区域位于所述第一区域之间，此外，所述第一区域和所述第二区域 包括多个点区域，另外每个点区域包括多个点，并且多个点区域之一中包括的点的大小也不同于在多个点区域中的另一个点区域中包括的点的大小 第一区域，另外包括在多个点区域中的一个点区域中的点的大小不同于第二区域中的多个点区域中的另一个点中所包括的点的大小，此外，第一区域和第二区域 超声区域包括第一点区域，第一点区域在距离线的第一距离和第二距离之间具有相同的距离，线是沿着长边和短边中的至少一个连接最外面的孔的假想线 并且还包括在第一区域的第一点区域中的点的大小大于第二区域的第一点区域中包括的点的大小。

公开(公告)号：US20160138779A1

公开(公告)日：2016-05-19

申请号：US14929828

申请日：2015-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00

CPC classification number: F21V7/0066 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611

Abstract: A backlight unit is discussed, which includes a frame including a bottom and a sidewall extending from the bottom; at least one substrate located on the frame, and a plurality of light sources mount on the at least one substrate; and a reflecting sheet located on the at least one substrate, wherein the reflecting sheet includes: a first sheet part located on the bottom, the first sheet part including a plurality of holes corresponding to the plurality of the light sources; a second sheet part extended from the first sheet; and a third sheet part extended from the second sheet part and located on the sidewall; wherein the second sheet part comprises a plurality of dot areas positioned sequentially in a direction from the first sheet part to the third sheet part and the plurality of dot areas include a first dot area and a second dot area, the first dot area including a plurality of dots having the same size and the second dot area including a plurality of dots having the same size, and wherein a size of the plurality of dots in the first dot area is different from a size of the plurality of dots in the second dot area.

Abstract translation: 讨论了一种背光单元，其包括从底部延伸的底部和侧壁的框架; 位于所述框架上的至少一个基板和安装在所述至少一个基板上的多个光源; 以及位于所述至少一个基板上的反射片，其中所述反射片包括：位于所述底部的第一片部分，所述第一片部分包括对应于所述多个光源的多个孔; 从第一片延伸的第二片部分; 以及从所述第二片部延伸并位于所述侧壁上的第三片部分; 其中所述第二片部分包括沿从所述第一片部分到所述第三片部分的方向依次布置的多个点区域，并且所述多个点区域包括第一点区域和第二点区域，所述第一点区域包括多个 具有相同尺寸的点的第二点区域和包括具有相同尺寸的多个点的第二点区域，并且其中第一点区域中的多个点的尺寸不同于第二点区域中的多个点的大小 。

公开(公告)号：US20230266621A1

公开(公告)日：2023-08-24

申请号：US18310756

申请日：2023-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/13357 ,  F21V7/04

CPC classification number: G02F1/133603 ,  F21V7/04 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A display device including a display panel; a frame at a rear of the display panel; a substrate disposed on the frame between the display panel and the frame; a plurality of light sources mounted on the substrate, the light sources providing light for the display panel; a plurality of lenses respectively mounted on the plurality of light sources; a connector mounted on the substrate; and a reflecting sheet disposed on the substrate and the frame and including a plurality of holes into which the plurality of lenses is respectively inserted, wherein the reflecting sheet includes a cutting portion aligned with the connector such that the connector is disposed under the cutting portion of the reflecting sheet.

公开(公告)号：US20230121964A1

公开(公告)日：2023-04-20

申请号：US18086935

申请日：2022-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/13357 ,  G02F1/1335

Abstract: A display device including a display panel; a frame at a rear of the display panel; a light source on a substrate between the display panel and the frame, the light source providing light for the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side, wherein the reflecting sheet includes a first sheet part forming a central area of the reflecting sheet; a second sheet part forming a side area of the reflecting sheet around the first sheet part, the second sheet part including dot areas; and a hole next to a border line between the first sheet part and the second sheet part, wherein at least one of the dot areas in the second sheet part is formed along the first short side or the second short side, wherein the at least one of the dot areas including a first dot area next to the hole in a parallel direction of the first long side or the second long side and a second dot area next to the first dot area in a parallel direction of the first short side or the second short side, and wherein a density of dots in the first dot area is different from a density of dots in the second dot area.

公开(公告)号：US20220171238A1

公开(公告)日：2022-06-02

申请号：US17674335

申请日：2022-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/13357 ,  F21V7/04

Abstract: A display device includes a display panel; a frame at a rear of the display panel; a light source between the display panel and the frame, the light source providing light for the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side.

公开(公告)号：US20190154234A1

公开(公告)日：2019-05-23

申请号：US16244762

申请日：2019-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/1335

CPC classification number: F21V7/0066 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611

Abstract: A display device includes a display panel; a frame at a rear of the display panel; a plurality of substrates on the frame; a plurality of light sources disposed on the plurality of substrates, and including a first light source disposed at a first corner portion of the frame, a second light source disposed at a second corner portion of the frame, a third light source disposed at a third corner portion of the frame, and a fourth light source disposed at a fourth corner portion of the frame; a reflection layer including a first opening where the first light source is located, a second opening where the second light source is located, a third opening where the third light source is located, and a fourth opening where the fourth light source is located; a first absorber disposed on the reflection layer at a first area near the first opening and configured to absorb light emitted by the first light source; a second absorber disposed on the reflection layer at a second area near the second opening and configured to absorb light emitted by the second light source; a third absorber disposed on the reflection layer at a third area near the third opening and configured to absorb light emitted by the third light source; and a fourth absorber disposed on the reflection layer at a fourth area near the fourth opening and configured to absorb light emitted by the fourth light source.