公开(公告)号：US11329242B2

公开(公告)日：2022-05-10

申请号：US16897132

申请日：2020-06-09

Applicant: LG Display Co., Ltd.

Inventor： Jaemin Moon ,  Jina You ,  JungHyoung Lee ,  SunHee Lee ,  JangDae Youn

IPC: H01L51/50 ,  H01L51/52 ,  A61N5/06

Abstract: A lighting device comprises a substrate including an active area; a first electrode disposed on the substrate and including a transparent conductive material; an organic material layer disposed on the first electrode and including a first light emitting layer and a second light emitting layer; and a second electrode disposed on the organic material layer and including a reflective material, wherein the first light emitting layer emits light having a first wavelength and the second light emitting layer emits light having a second wavelength, and wherein the second light emitting layer includes a first dopant absorbing the light having the first wavelength and emitting the light having the second wavelength.

公开(公告)号：US11213694B2

公开(公告)日：2022-01-04

申请号：US16727378

申请日：2019-12-26

Applicant: LG Display Co., Ltd.

Inventor： JungHyoung Lee ,  Jaemin Moon ,  Jina You

IPC: H01L51/50 ,  A61N5/06 ,  H01L51/52

Abstract: An electronic device for skin management or skin treatments including an active area including a light emission area and a non-light emission area comprises a plurality of organic light emitting devices disposed in the light emission area and emitting same color light; and first to third wavelength converting layers overlapping the light emission area and a part of the non-light emission area, wherein light emitted from the plurality of organic light emitting devices is extracted to outside the electronic device through the first to third wavelength converting layers.

公开(公告)号：US11814401B2

公开(公告)日：2023-11-14

申请号：US17135414

申请日：2020-12-28

Applicant: LG Display Co., Ltd. ,  Rohm and Haas Electronic Materials Korea Ltd.

Inventor： HeeJun Park ,  Jaemin Moon ,  Kusun Choung ,  Hee Ryong Kang ,  Hyun Kim ,  Ga Won Lee ,  Seung Hyun Yoon ,  Kyoung-Jin Park

IPC: H01L51/00 ,  C07F15/00 ,  H10K85/30 ,  H10K50/15

CPC classification number: C07F15/0033 ,  H10K85/342 ,  H10K50/15

Abstract: A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color:

公开(公告)号：US11357999B2

公开(公告)日：2022-06-14

申请号：US16727300

申请日：2019-12-26

Applicant: LG Display Co., Ltd.

Inventor： JungHyoung Lee ,  Jaemin Moon ,  Jina You

IPC: A61N5/06 ,  F21V9/38 ,  F21W131/20 ,  F21Y115/15

Abstract: An aspect of the present disclosure relates to an electronic device, and more particularly, to an electronic device that may include: a substrate; a plurality of light emitting devices, disposed on the substrate; a wavelength converting layer, disposed on the substrate, wherein the plurality of the light emitting devices emit a light of same color, wherein light emitted from the light emitting devices is converted by going through the wavelength converting layer, wherein the converted light is extracted to outside of the electronic device, and has a wavelength longer than that of the light emitted from the light emitting devices. Through this, an electronic device can be provided emitting light having a wavelength from which effects of inflammation treatments and skin regeneration can be acquired.

公开(公告)号：US11311743B2

公开(公告)日：2022-04-26

申请号：US16727378

申请日：2019-12-26

Applicant: LG Display Co., Ltd.

Inventor： JungHyoung Lee ,  Jaemin Moon ,  Jina You

IPC: H01L51/50 ,  A61N5/06 ,  H01L51/52

Abstract: An electronic device for skin management or skin treatments including an active area including a light emission area and a non-light emission area comprises a plurality of organic light emitting devices disposed in the light emission area and emitting same color light; and first to third wavelength converting layers overlapping the light emission area and a part of the non-light emission area, wherein light emitted from the plurality of organic light emitting devices is extracted to outside the electronic device through the first to third wavelength converting layers.

公开(公告)号：US11094908B2

公开(公告)日：2021-08-17

申请号：US16716223

申请日：2019-12-16

Applicant: LG Display Co., Ltd.

Inventor： Juhyuk Kwon ,  Jaemin Moon ,  Sunhee Lee ,  Taemin Kim ,  JunHyoung Lee

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: An organic light emitting diode comprises an anode; an organic layer disposed on the anode and including a plurality of phosphorescent light emitting layers; and a cathode disposed on the organic layer, wherein a phosphorescent light emitting layer having a highest degree of horizontal orientation of a dopant among the plurality of phosphorescent light emitting layers is disposed to be adjacent to the cathode, and wherein the anode includes a short reduction pattern which implements a narrow path.