公开(公告)号：US11557578B2

公开(公告)日：2023-01-17

申请号：US17044307

申请日：2019-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Sujin Sim ,  Minho Kim ,  Uihyung Lee ,  Yongmin Jung ,  Juyoung Joung

IPC: H01L25/13 ,  F21V7/00 ,  H01L33/58 ,  F21Y115/10 ,  H01L33/50

Abstract: The present embodiment comprises: a plurality of light-emitting units; and a reflector including reflector units having spaces formed to receive the plurality of light-emitting units, respectively. Each of the plurality of light-emitting units includes an LED package mounted on a substrate and a light diffusion layer having a groove portion formed on a surface opposite to the substrate in the LED package, wherein the outer circumference of the light diffusion layer faces the inner surface of a reflector unit. In the reflector, the plurality of reflector units are integrally formed, the spaces expand along a direction extending away from the substrate, and a wall forming each of the spaces surrounds the outer circumference of each of the LED package and the light diffusion layer.

公开(公告)号：US10761367B2

公开(公告)日：2020-09-01

申请号：US15984991

申请日：2018-05-21

Applicant: LG ELECTRONICS INC.

Inventor： Uihyung Lee ,  Sojung Kim ,  Eunseok Kim ,  Jeonggyu Kim ,  Juyoung Joung

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/13357

Abstract: A backlight unit and a display apparatus including the same are disclosed. The backlight unit includes a support member being concave rearward so as to define an interior space, the support member including a central portion defining a central area of a rear surface of the interior space and a side portion extending outward from a peripheral edge of the central portion while being inclined forward, a plurality of light sources disposed on the central portion so as to radiate light, a plurality of lenses respectively disposed on the plurality of light sources so as to disperse light from the light sources, a reflective sheet covering front surfaces of the central portion and the side portion, and a plurality of scattering members disposed on corner portions of the reflective sheet and protruding from the reflective sheet. The display apparatus includes the backlight unit and a display panel disposed in front of the backlight unit.

公开(公告)号：US12298623B2

公开(公告)日：2025-05-13

申请号：US18700879

申请日：2021-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Geunhwan Kim ,  Juyoung Joung ,  Woongjoon Hwang

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display device is disclosed. The display device may include: a display panel; a frame positioned behind the display panel; a substrate positioned between the display panel and the frame, and coupled to the frame; a plurality of light sources positioned on the substrate and providing light to the display panel; a diffusion plate positioned between the display panel and the plurality of light sources; and a film coupled to the substrate between the diffusion plate and the substrate, and through which the plurality of light sources pass, wherein the film includes a spacer depressed toward the diffusion plate from a rear surface of the film and supporting the diffusion plate.

公开(公告)号：US10768467B2

公开(公告)日：2020-09-08

申请号：US16405666

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Sangmin Baek ,  Deokwon Lee ,  Juyoung Joung

IPC: G02F1/1333 ,  G02F1/1335 ,  F21V8/00

Abstract: Disclosed is a cinema-type display device employing a typical liquid crystal panel, rather than a cinema-dedicated liquid crystal panel. The display device includes a liquid crystal panel including an active area where an image is output and a bezel area positioned around the active area, a backlight unit for emitting light to a rear surface of the liquid crystal panel, a panel guide including a seating portion where an edge of the rear surface of the liquid crystal panel is seated, and a sidewall portion for covering a side surface of the liquid crystal panel, a bonding member provided in the bezel area to bond the edge of the rear surface of the liquid crystal panel to the seating portion, and a lower polarizing member constituting the rear surface of the liquid crystal panel and having an edge overlapping a part of a front surface of the bonding member.

公开(公告)号：US10234620B2

公开(公告)日：2019-03-19

申请号：US15198682

申请日：2016-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Lee ,  Guenhwan Kim ,  Juyoung Joung ,  Wondo Kee

IPC: F21V7/04 ,  F21V8/00 ,  G02F1/1368 ,  G02F1/1335

Abstract: A light guide plate includes a light introduction surface to receive light supplied from a light source module and a light emission surface to emit the light outward, the light emission surface having a larger area than the light introduction surface. The light guide plate is of a material that transmits light and absorbs light in an absorption wavelength band. The light guide plate further includes a plurality of color patterns to convert the light supplied from the light source module into light in the absorption wavelength band.

公开(公告)号：US11899310B2

公开(公告)日：2024-02-13

申请号：US17772277

申请日：2019-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Soowang Seong ,  Seungwoong Moon ,  Juyoung Joung ,  Woongjoon Hwang

IPC: G02F1/13357 ,  G02F1/1333

CPC classification number: G02F1/133606 ,  G02F1/133314 ,  G02F2201/08 ,  G02F2202/28

Abstract: A display device according to the present invention comprises: a display panel; a middle cabinet for mounting the display panel; and a foam pad which is interposed between the display panel and the middle cabinet, and has a light absorbing material formed in either an area having a contact surface with the display panel or a contact surface with the middle cabinet. The display device of the present invention may be connected to an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, etc.

公开(公告)号：US11796861B2

公开(公告)日：2023-10-24

申请号：US17855191

申请日：2022-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Seungse Kim ,  Juyoung Joung ,  Minho Kim ,  Woongjoon Hwang ,  Dukil Suh

IPC: G02F1/13357 ,  G02F1/1335 ,  G02F1/1333 ,  F21V5/00

CPC classification number: G02F1/133608 ,  F21V5/007 ,  G02F1/133314 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133607

Abstract: Disclosed is a display device. The display device of the present disclosure may include: a display panel; a frame located at a rear side of the display panel; a substrate located between the display panel and the frame, wherein the substrate is coupled to the frame and extends in a longitudinal direction; a plurality of light sources mounted on the substrate, wherein each of the plurality of light sources are spaced apart from each other in the longitudinal direction of the substrate; a plurality of lenses coupled to the substrate, wherein the plurality of lenses cover the plurality of light sources; and a bar coupled to the substrate, wherein the bar connects each of the plurality of lenses.

公开(公告)号：US11709395B2

公开(公告)日：2023-07-25

申请号：US17692033

申请日：2022-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Kyungjoon Lee ,  Uihyung Lee ,  Juyoung Joung ,  Wondo Kee ,  Minho Kim ,  Wongjoon Hwang ,  Jaeyoon Jeong ,  Bohee Kang ,  Manhyuck Han ,  Jiu Myeong

IPC: G02F1/13357 ,  F21V7/00 ,  F21V7/24 ,  F21V7/22 ,  G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  G02F1/133608 ,  F21V7/0058 ,  F21V7/22 ,  F21V7/24 ,  G02F1/133607

Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.

公开(公告)号：US10816719B2

公开(公告)日：2020-10-27

申请号：US16636893

申请日：2018-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Woongjoon Hwang ,  Jeonghwan Hwang ,  Hyongil Kil ,  Minho Kim ,  Jinsin Park ,  Heumseok Baek ,  Yongmin Jung ,  Juyoung Joung

IPC: F21V8/00

Abstract: A display device is disclosed. The display device of the present invention comprises: a display panel; a frame positioned at the back of the display panel; a main optical assembly positioned on the frame between the display panel and the frame; and a side optical assembly positioned on the frame between the display panel and the frame, and positioned adjacent to the main optical assembly, wherein the frame comprises: a bottom forming a lower surface; and a side support extending from the bottom toward one side of the display panel, wherein: the side support is closer to the display panel than the bottom; the main optical assembly is positioned on the bottom; and the side optical assembly can be positioned on the side support.

公开(公告)号：US10151448B2

公开(公告)日：2018-12-11

申请号：US15823111

申请日：2017-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Kyungjoon Lee ,  Wondo Kee ,  Jihee Park ,  Woongjoon Hwang ,  Juyoung Joung

IPC: F21V13/04 ,  G02F1/1335 ,  F21V5/00 ,  F21K9/62

Abstract: A display apparatus according to an embodiment of the present disclosure comprises: a substrate; a light-emitting unit including a light emitting element mounted on the substrate and a lens placed above the light-emitting element; a reflective layer placed on the upper surface of the substrate; an optical sheet placed above the reflective layer and placed at a height at which the optical sheet is spaced from the light-emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein the lens has a cutout portion formed therein by depressing a part of the side surface thereof toward the center thereof, thereby providing an anisotropic light distribution.