公开(公告)号：EP4528368A1

公开(公告)日：2025-03-26

申请号：EP22946987.9

申请日：2022-11-18

Applicant: LG Electronics Inc.

Inventor： JEONG, Chansung ,  PARK, Sangtae ,  LEE, Sangyeol ,  OH, Jeongtak ,  KIM, Sungkyoon ,  LEE, Jongwoo

IPC: G02F1/1335 ,  H01L27/15 ,  H01L25/075 ,  H01L27/12 ,  H01L33/60 ,  H01L33/56 ,  G02F1/13357 ,  G02B13/08 ,  G02B3/00

Abstract: This LED panel comprising: a base substrate including circuit wiring; a plurality of light-emitting diodes disposed to form an array on the base substrate; a side optical layer located laterally to the plurality of light-emitting diodes and including a diffusing agent; and a plurality of upper optical layers respectively located on top of the plurality of light-emitting diodes and including a diffusing agent can provide uniform light in all directions through uniform light distribution by reducing color difference for different viewing angles that occurs due to the structure of a semiconductor light-emitting diode.

公开(公告)号：EP4092765A1

公开(公告)日：2022-11-23

申请号：EP22170705.2

申请日：2022-04-29

Applicant: LG Electronics Inc.

Inventor： JEONG, Youngkyu ,  YUH, Hwankuk ,  CHOI, Byeongjun ,  LEE, Sangyeol ,  OH, Jeongtak

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/14 ,  H01L33/38 ,  H01L33/20

Abstract: A display device can include a substrate including a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels; a plurality of first semiconductor light emitting devices disposed in the plurality of first sub-pixels, and configured to generate first color light of a first main wave; a plurality of second semiconductor light emitting devices disposed in the plurality of second sub-pixels, and configured to generate second color light of a second main wave; and a plurality of third semiconductor light emitting devices disposed in the plurality of third sub-pixels, and configured to generate third color light of a third main wave, in which at least some of the plurality of first semiconductor light emitting devices have different light emitting regions to compensate for a wave deviation of the first main wave.

公开(公告)号：EP4191667A1

公开(公告)日：2023-06-07

申请号：EP22211129.6

申请日：2022-12-02

Applicant: LG Electronics, Inc.

Inventor： LEE, Sangyeol ,  PARK, Sangtae ,  JEONG, Chansung ,  OH, Jeongtak ,  JEONG, Youngkyu ,  PARK, Sunwoo

IPC: H01L25/075 ,  H01L33/08 ,  H01L33/46 ,  H01L33/56 ,  H01L33/60

Abstract: The present disclosure is applicable to the display device relevant technical field, and, for example, relates to a layered light emitting diode and display device using the same. Disclosed display device may include a wiring substrate; a light emitting element disposed on the wiring substrate to form an individual pixel and having a semiconductor structure including a multitude of semiconductor layers stacked to emit lights of first to third colors, respectively; and a reflective layer filling a space between the light emitting elements, the reflective layer comprising: a transparent resin layer; and particles dispersed in the transparent resin layer.

公开(公告)号：EP4528367A1

公开(公告)日：2025-03-26

申请号：EP22946941.6

申请日：2022-06-13

Applicant: LG Electronics Inc.

Inventor： JEONG, Chansung ,  LEE, Sangyeol ,  PARK, Sangtae ,  OH, Jeongtak ,  KIM, Sungkyoon ,  LEE, Jongwoo

IPC: G02F1/1335 ,  H01L27/15 ,  H01L25/075 ,  H01L27/12 ,  H01L33/60 ,  H01L33/56 ,  G02F1/13357 ,  G02B13/08

Abstract: The backlight unit according to an embodiment comprises: a base substrate including circuit wiring; a plurality of light-emitting diodes disposed to form an array on the base substrate; a diffusion layer located laterally around the individual light-emitting diodes; and correcting lenses located on top of the respective light-emitting diodes, and can provide uniform white light in all directions through uniform light distribution by reducing color difference for different viewing angles that occurs due to the structure of a semiconductor light-emitting diode.

公开(公告)号：EP4471864A1

公开(公告)日：2024-12-04

申请号：EP22926188.8

申请日：2022-11-14

Applicant: LG Electronics Inc.

Inventor： YOON, Dongjin ,  PARK, Sangtae ,  LEE, Sangyeol ,  OH, Jeongtak ,  KIM, Sungkyoon ,  PARK, Sunwoo

IPC: H01L27/15 ,  H01L33/58 ,  H01L33/52

Abstract: The present invention is applicable to the technical field of display devices and relates to a display device which uses, for example, a light-emitting diode (LED). To achieve the aforementioned objective, the present invention comprises: a wiring board; a light-emitting element which is composed of individual pixels and arranged on the wiring board; an insulation layer which is located at least on a side surface of the light-emitting element; and a black-colored layer which is located on the insulation layer, wherein the black-colored layer may include a material formed by modifying the material constituting the insulation layer.