公开(公告)号：US10139546B2

公开(公告)日：2018-11-27

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

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：US10551667B2

公开(公告)日：2020-02-04

申请号：US15639109

申请日：2017-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Sangmin Baek ,  Jaeyong Yoo ,  Woosuk Lee

IPC: G02F1/1335 ,  F21V8/00

Abstract: A backlight unit including a frame; a substrate located on one side of the frame; a plurality of light assemblies mounted on the substrate; a light guide plate configured to guide light emitted by the light assembly; and a reflection sheet located between the light guide plate and the frame and configured to reflect light emitted by the plurality of light assemblies. In addition, the light guide plate includes a first block including a plurality of light guide areas configured to emit light emitted by a corresponding first set of light assemblies; and a second block including a plurality of light guide areas configured to emit light emitted by a corresponding second set of light assemblies.

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.