公开(公告)号：US20230200231A1

公开(公告)日：2023-06-22

申请号：US17976552

申请日：2022-10-28

申请人： LG DISPLAY CO., LTD.

发明人： Ji-Ae LEE ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H01L51/00 ,  C09K11/06

CPC分类号： H01L51/0072 ,  H01L51/0085 ,  H01L51/008 ,  C09K11/06 ,  H01L2251/5376 ,  H01L51/5044

摘要： An organic light emitting diode can include a reflective electrode, a transparent electrode facing the reflective electrode, and an organic light emitting layer including a first emitting part and a second emitting part and positioned between the reflective electrode and the transparent electrode. Each of the first and second emitting parts includes a phosphorescent emitting layer and a fluorescent emitting layer. In at least one of the first and second emitting parts, the fluorescent emitting layer is positioned to be closer to the transparent electrode than the phosphorescent emitting layer. An organic light emitting device can include the organic light emitting diode and can be a display device or a lighting device.

公开(公告)号：US20230189643A1

公开(公告)日：2023-06-15

申请号：US18080363

申请日：2022-12-13

申请人： LG DISPLAY CO., LTD.

发明人： In-Ae SHIN ,  Hye-Li MIN ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H10K85/60 ,  H10K50/15 ,  H10K85/30 ,  H10K50/16 ,  H10K50/18

CPC分类号： H10K85/6572 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K85/342 ,  H10K85/652 ,  H10K85/657 ,  H10K85/658 ,  H10K85/6574 ,  H10K2101/30

摘要： An organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a first emitting material layer between the first and second electrodes, a first hole blocking layer between the second electrode and the first emitting material layer and a first intermediate functional layer between the first emitting material layer and the first hole blocking layer. The first emitting material layer includes a first compound, a second compound and a third compound. The first intermediate functional layer includes a first compound and a second compound. The second compound in the first intermediate functional layer has a core that is the same as the second compound in the first emitting material layer and has a higher LUMO energy level than the second compound in the first emitting material layer.

公开(公告)号：US20230189541A1

公开(公告)日：2023-06-15

申请号：US18072257

申请日：2022-11-30

申请人： LG Display Co., Ltd.

发明人： In-Ae SHIN ,  Hye-Li MIN ,  Young-Ju RYU ,  Ji-Ae LEE ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K85/60 ,  H10K85/30

CPC分类号： H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/181 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/652 ,  H10K85/658 ,  H10K85/342 ,  H10K2102/101

摘要： An organic light emitting display device includes a substrate including first to third pixel regions; and an organic light emitting diode including a transparent electrode, a reflective electrode and a light emitting layer between the transparent electrode and the reflective electrode. The light emitting layer in the organic light emitting diode in the first pixel region includes a first emitting part including a first emitting material layer and a second emitting part including a second emitting material layer. The light emitting layer in the organic light emitting diode in the second pixel region includes a third emitting part including a third emitting material layer and fourth emitting part including a fourth emitting material layer. Each of the first and fourth emitting material layers is a fluorescent emitting layer, and each of the second and third emitting material layers is a phosphorescent emitting layer.

公开(公告)号：US20240188416A1

公开(公告)日：2024-06-06

申请号：US18376407

申请日：2023-10-03

申请人： LG DISPLAY CO., LTD.

发明人： In-Ae SHIN ,  Kyung-Jin YOON ,  Hye-Li MIN ,  Gi-Hwan LIM ,  Jong-Uk KIM ,  Jun-Yun KIM ,  Joon-Beom IM

IPC分类号： H10K85/20 ,  C09K11/02 ,  H10K50/12 ,  H10K50/13 ,  H10K50/19 ,  H10K59/122 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC分类号： H10K85/20 ,  C09K11/02 ,  H10K50/12 ,  H10K50/13 ,  H10K50/19 ,  H10K59/122 ,  H10K85/346 ,  H10K85/40 ,  H10K85/622 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  H10K2101/20

摘要： An organic light emitting device including: a substrate defining a first pixel region and a second pixel region; and an organic light emitting diode over the substrate. The organic light emitting diode includes a transmissive electrode, a reflective electrode facing the transmissive electrode and an emissive layer disposed between the transmissive electrode and the reflective electrode. The emissive layer includes a first emissive layer and a second emissive layer. The first emissive layer is in the first pixel region and includes: a first blue emitting material layer including a first blue fluorescent compound, and a second blue emitting material layer including a second blue fluorescent compound and a blue phosphorescent compound. The second emissive layer is in the second pixel region and includes: a first green emitting material layer including a first green delayed fluorescent compound, and a second green emitting material layer including a second green delayed fluorescent compound.

公开(公告)号：US20240180028A1

公开(公告)日：2024-05-30

申请号：US18481835

申请日：2023-10-05

申请人： LG Display Co., Ltd

发明人： Gi-Hwan LIM ,  Jong-Uk KIM ,  In-Ae SHIN ,  Jun-Yun KIM

IPC分类号： H10K85/60

CPC分类号： H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/658 ,  H10K50/12

摘要： An organic light emitting diode includes at least one emitting material layer disposed between two electrodes includes a first compound having an azine moiety substituted two cyano groups and a carbazole moiety linked to the azine moiety through a phenylene group, and a second compound of a boron-based fluorescent material and an organic light emitting device including the organic light emitting diode. The excitons generated at the first compound are transferred efficiently to the second compound so that the luminous properties of the organic light emitting diode and/or the organic light emitting device can be improved.

公开(公告)号：US20230200235A1

公开(公告)日：2023-06-22

申请号：US18074059

申请日：2022-12-02

申请人： LG DISPLAY CO., LTD.

发明人： In-Ae SHIN ,  Hye-Li MIN ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H10K85/60 ,  H10K59/35 ,  H10K85/30

CPC分类号： H01L51/0072 ,  H01L27/3211 ,  H01L51/008 ,  H01L51/0087 ,  H01L51/5012

摘要： An organic light emitting diode (OLED) and an organic light emitting device (such as a display device or a lighting device) comprising the OLED are described. The OLED includes a reflective electrode; a transparent electrode facing the reflective electrode; and an organic light emitting layer comprising a first emitting part and a second emitting part, positioned between the reflective electrode and the transparent electrode. The first emitting part comprises a first emitting layer and a second emitting layer, while the second emitting part comprises a third emitting layer and a fourth emitting layer. The first emitting layer is a first phosphorescent emitting layer, and the second emitting layer is a first fluorescent emitting layer. The third emitting layer can be a second phosphorescent emitting layer. The first fluorescent emitting layer is closer to the transparent electrode than the first phosphorescent emitting layer.

公开(公告)号：US20230189628A1

公开(公告)日：2023-06-15

申请号：US18072309

申请日：2022-11-30

申请人： LG Display Co., Ltd.

发明人： Ji-Ae LEE ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H10K85/30 ,  C07F5/02 ,  C09K11/06

CPC分类号： H01L51/008 ,  C07F5/027 ,  C09K11/06 ,  H01L51/5016

摘要： An organic light emitting diode is described, which includes a reflective electrode, a transparent electrode facing the reflective electrode, and an organic light emitting layer. The organic light emitting layer includes a first emitting part and a second emitting part, and is positioned between the reflective electrode and the transparent electrode. The first emitting part includes a phosphorescent emitting layer and a fluorescent emitting layer, and the second emitting part includes a phosphorescent emitting layer and a fluorescent emitting layer. In at least one of the first and second emitting parts, the fluorescent emitting layer is positioned to be closer to the transparent electrode than the phosphorescent emitting layer. An organic light emitting device can include the organic light emitting diode, and may be a display device or a lighting device.

公开(公告)号：US20220077402A1

公开(公告)日：2022-03-10

申请号：US17387006

申请日：2021-07-28

申请人： LG Display Co., Ltd. ,  LT Materials Co., Ltd

发明人： Tae-Ryang HONG ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM ,  Yong-Woo KIM ,  Yong-Geun JUNG ,  Jin-Hwan SHIN ,  Yeon-Jun SHIM

IPC分类号： H01L51/00 ,  C07D487/04 ,  C09K11/06 ,  C07D495/04

摘要： The present disclosure relates to an organic compound including an electron acceptor moiety of a hetero aromatic ring having at least one nitrogen as a nuclear atom and an electron donor moiety of a fused aromatic or a fused hetero aromatic ring linked to the electron acceptor moiety directly or via a linker moiety, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound, which may comprise at least one substituent having strong electron withdrawing property at specific position, in an emissive layer can implement excellent luminous efficiency and luminous lifespan.

公开(公告)号：US20220006023A1

公开(公告)日：2022-01-06

申请号：US17363744

申请日：2021-06-30

申请人： LG DISPLAY CO., LTD.

发明人： Tae-Ryang HONG ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC分类号： H01L51/00 ,  C07D487/04 ,  C09K11/06

摘要： An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound and a second compound and an organic light emitting device having the OLED are disclosed. The first compound of delayed fluorescent material and the second compound of fluorescent material have predetermined energy levels so that the OLED can improve its stability and luminous lifespan.

公开(公告)号：US20210157182A1

公开(公告)日：2021-05-27

申请号：US17167671

申请日：2021-02-04

申请人： LG Display Co., Ltd.

发明人： Gi-Hwan LIM ,  Min-Geun CHOI

IPC分类号： G02F1/1347 ,  G02F1/153 ,  G02F1/1337

摘要： A reflective liquid crystal display device includes: first to fourth substrates spaced apart from and parallel to each other; a first stack including a first pixel electrode, a first alignment layer, a first common electrode, a second alignment layer and a first cholesteric liquid crystal layer between the first and second alignment layers; a second stack including a second pixel electrode, a third alignment layer, a second common electrode, a fourth alignment layer and a second cholesteric liquid crystal layer between the third and fourth alignment layers; a third stack including a third pixel electrode, a fifth alignment layer, a third common electrode, a sixth alignment layer and a third cholesteric liquid crystal layer between the fifth and sixth alignment layers; and a fourth stack including a first mode electrode, an ion storing layer, an electrolyte layer, an electrochromic layer and a second mode electrode sequentially on the first substrate.