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公开(公告)号：EP4369887A1
公开(公告)日：2024-05-15
申请号：EP23200427.5
申请日：2023-09-28
申请人： LG Display Co., Ltd.
发明人： SHIN, In-Ae , YOON, Kyung-Jin , MIN, Hye-Li , LIM, Gi-Hwan , KIM, Jong-Uk , KIM, Jun-Yun , IM, Joon-Beom
CPC分类号： H10K50/19 , H10K2101/2020230201 , H10K50/12 , H10K2101/2720230201 , H10K2101/1020230201
摘要： The present disclosure relates to an organic light emitting device (100), including: a substrate (110) defining a first pixel region (SP1) and a second pixel region (SP2); and an organic light emitting diode (D) disposed over the substrate (110), wherein the organic light emitting diode (D) includes a transmissive electrode (230), a reflective electrode (210) facing the transmissive electrode and an emissive layer (220) disposed between the transmissive electrode (230) and the reflective electrode (210), wherein the organic light emitting diode (D) respectively corresponds to each of the first pixel region (SP1) and the second pixel region (SP2), wherein the emissive layer comprises a first emissive layer (220-B1, 220-B2) and a second emissive layer (220-G1, 220-G2), wherein the first emissive layer (220-B1, 220-B2) of the organic light emitting diode (D1-B, D2-B) is disposed in the first pixel region (SP1) and includes a first blue emitting material layer (350) including a first blue fluorescent compound (352), and a second blue emitting material layer (360, 460) disposed between the first blue emitting material layer (350) and the transmissive electrode (230) and including a second blue fluorescent compound (362, 462) and a blue phosphorescent compound (364, 464), and wherein the second emissive layer (220-G1, 220-G2) of the organic light emitting diode (D1-G, D2-G) is disposed in the second pixel region (SP2) and includes a first green emitting material layer (550) including a first green delayed fluorescent compound (552), and a second green emitting material layer (560, 660) disposed between the first green emitting material layer (550) and the transmissive layer (230) and including a second green delayed fluorescent compound (562, 662).
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公开(公告)号：EP4195903A1
公开(公告)日：2023-06-14
申请号：EP22203246.8
申请日：2022-10-24
申请人： LG Display Co., Ltd.
发明人： SHIN, In-Ae , MIN, Hye-Li , RYU, Young-Ju , LEE, Ji-Ae , LIM, Gi-Hwan , KIM, Jun-Yun
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, wherein 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 second emitting part including a second emitting material layer, and the second emitting part is positioned between the first emitting material layer and the transparent electrode, wherein 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, and the fourth emitting part is positioned between the third emitting material layer and the transparent electrode, and wherein 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.
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3.发明公开
公开(公告)号：EP3474329A1
公开(公告)日：2019-04-24
申请号：EP18200904.3
申请日：2018-10-17
申请人： LG Display Co., Ltd.
摘要： A luminous body (100) includes: a first moiety (110) including a plurality of first ligands (116) combined to a surface of an inorganic emitting particle (111) ; and a second moiety (120) including silsesquioxanes connected to a second ligand (122) connected to the first ligand (116), wherein one of the first and second ligands is a polar ligand, and the other of the first and second ligands is a non-polar ligand.
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