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.

公开(公告)号：US20170052410A1

公开(公告)日：2017-02-23

申请号：US15345202

申请日：2016-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  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. The reflecting sheet comprises 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. In addition, 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 density of dots included in one of the plurality of dot areas is different from a density of dots included in another of the plurality of dot areas in the first area, a density of dots included in one of the plurality of dot areas is different from a density of dots included in another of the plurality of dot areas in the second area, the first and second areas comprise first dot areas, the first dot areas are positioned at the 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 a density of dots included in the first dot area of the first area is different from a density 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。 反射片包括位于底部的第一片部分，第一片部分包括对应于多个光源的多个孔; 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 水平点区域和垂直点区域包括第一区域和第二区域。 此外，第一区域对应于多个孔中的最外面的孔，第二区域位于第一区域之间，第一区域和第二区域包括多个点区域，每个点区域包括多个 点包括在多个点区域之一中的点的浓度不同于在第一区域中的多个点区域中的另一个点中包括的点的浓度，多个点区域之一中包括的点的浓度为 与第二区域中的多个点区域中的另一个中包含的点的密度不同，第一和第二区域包括第一点区域，第一点区域位于距离第一点区域的第一距离和第二距离之间相同的距离处 线，该线是沿着反射片的长边和短边中的至少一个连接最外面的孔的假想线，并且包含在第一区域的第一点区域中的点的密度为diff 从包括在第二区域的第一点区域中的点的密度引起。

公开(公告)号：US20240280242A1

公开(公告)日：2024-08-22

申请号：US18650953

申请日：2024-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  F21Y105/10 ,  F21Y115/10 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: F21V7/0066 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133607 ,  G02F1/133611 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02F1/133606

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：US20210026200A1

公开(公告)日：2021-01-28

申请号：US17066613

申请日：2020-10-09

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：US20190324323A1

公开(公告)日：2019-10-24

申请号：US16502885

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335 ,  F21V7/04

Abstract: A display device includes a display panel; a light source; a frame at a rear of 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. Further, the reflecting sheet includes a first horizontal area along the first long side, and a first vertical area along the first short side. In addition, at least one of the first horizontal area and the first vertical area includes a first area including a plurality of first dots, a second area including a plurality of second dots and a third area including a plurality of third dots.

公开(公告)号：US20190145604A1

公开(公告)日：2019-05-16

申请号：US16244751

申请日：2019-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/1335

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 reflective lens mounted on the light source, wherein the lens includes an upper surface having a concave portion, a lower surface, and a side surface, and the upper surface of the reflective lens reflecting at least a first part of light emitted from the light source toward the sidewall of the frame through the side surface of the reflective lens; and a plurality of dots between the substrate and the reflective lens and configured to absorb at least a second part of light from the light source. Further, the plurality of dots are arranged around the light source and in an area within a boundary of the lower surface of the reflective lens.

公开(公告)号：US20160139463A1

公开(公告)日：2016-05-19

申请号：US14928962

申请日：2015-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  G02F1/133606 ,  G02F1/133608 ,  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 mounted 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 part, the second sheet part including first areas and second areas; and a third sheet part extended from the second sheet part and located on the sidewall.

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; 从第一片部分延伸的第二片部分，第二片部分包括第一区域和第二区域; 以及从第二片部延伸并位于侧壁上的第三片部分。

公开(公告)号：US20160123555A1

公开(公告)日：2016-05-05

申请号：US14928621

申请日：2015-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/04

CPC classification number: G02F1/133603 ,  F21V7/04 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  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 mounted 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, and a plurality of first dots; and a second sheet part extended from the first sheet, the second sheet part including a plurality of second dots, wherein the plurality of first dots are positioned adjacent to at least one of the plurality of holes.

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，以及多个第一 点数 以及从所述第一片延伸的第二片部分，所述第二片部包括多个第二点，其中所述多个第一点与所述多个孔中的至少一个相邻。