公开(公告)号：US20220197088A1

公开(公告)日：2022-06-23

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

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：US20210074693A1

公开(公告)日：2021-03-11

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

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：US20200166695A1

公开(公告)日：2020-05-28

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：US20170219881A1

公开(公告)日：2017-08-03

申请号：US15416089

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Jongyoung SHIN ,  Uihyung LEE ,  Eunseok KIM ,  Juyoung JOUNG

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit and a display device including the backlight unit are disclosed. The backlight unit includes a frame including a bottom area and a side area extended from the bottom area, at least one substrate positioned at a front surface of the frame and mounting a plurality of light sources, a reflective sheet positioned at a front surface of the at least one substrate and including a strip area in at least a portion of the reflective sheet, and an optical sheet positioned at a front surface of the reflective sheet. A reflectance of the at least the portion of the reflective sheet is different from a reflectance of at least another portion of the reflective sheet.

公开(公告)号：US20170212385A1

公开(公告)日：2017-07-27

申请号：US15407611

申请日：2017-01-17

Applicant: LG ELECTRONICS INC.

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

IPC: G02F1/1335

CPC classification number: G02F1/133608 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133607 ,  G02F2201/465

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：US20220373842A1

公开(公告)日：2022-11-24

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

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：US20180341150A1

公开(公告)日：2018-11-29

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: G02F1/1335 ,  G02F1/1333

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：US20180252963A1

公开(公告)日：2018-09-06

申请号：US15891280

申请日：2018-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Geunhwan KIM ,  Minho KIM ,  Sujin SIM ,  Juyoung JOUNG

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133514 ,  G02B6/0025 ,  G02F1/133509 ,  G02F1/133602 ,  G02F1/133615 ,  G02F2001/133614 ,  G02F2001/133624 ,  G02F2001/1351

Abstract: A display device is disclosed. The display device comprises: a display panel; an optical assembly providing the display panel with light; and a light absorbing layer positioned on an optical path, the optical path leading to the display panel from the optical assembly, wherein the light provided from the optical assembly to the display panel includes a blue-based light, a green-based light, and a red-based light, wherein an intensity of the green-based light is 25% to 38% with respect to an intensity of the blue-based light 100%, and wherein an intensity of the red-based light is 14% to 32% with respect to the intensity of the blue-based light 100%.

公开(公告)号：US20170212293A1

公开(公告)日：2017-07-27

申请号：US15408327

申请日：2017-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Geunhwan KIM ,  Sujin SIM ,  Woosuk LEE ,  Juyoung JOUNG ,  Minho KIM

IPC: F21V8/00

CPC classification number: G02B6/0043 ,  G02B6/0038 ,  G02B6/0061 ,  G02B6/0065

Abstract: A display device is disclosed. The display device includes a display panel, a light guide plate located in a rear of the display panel, a light assembly located on a side of the light guide plate and providing the light guide plate with light, and a light absorbing portion formed on a back surface or a front surface of the light guide plate and absorbing the light provided by the light assembly in a predetermined wavelength range.

公开(公告)号：US20170200421A1

公开(公告)日：2017-07-13

申请号：US15078530

申请日：2016-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Sangmin BAEK ,  Hyongil KIL ,  Jaehyung JEON ,  Juyoung JOUNG

IPC: G09G3/34

CPC classification number: G09G3/3406 ,  G02F1/133308 ,  G02F1/133603 ,  G02F1/133608 ,  G02F2001/133314 ,  G02F2001/133628 ,  G09G2320/0233 ,  G09G2320/04

Abstract: A display device is disclosed. The display device includes a display panel, a frame positioned in the rear of the display panel, a backlight unit positioned between the display panel and the frame and providing light for the display panel, and a heat dissipation protrusion formed on the frame and contacted with the backlight unit.