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公开(公告)号：US20230389345A1
公开(公告)日：2023-11-30
申请号：US18324070
申请日：2023-05-25
发明人： Hoilim Kim , Donguk Kang , Gyeongheon Kim , Sohae Kim , Jihye Kim , Saerom Park , Yongsub Shim , Dongsun Yoo
CPC分类号： H10K50/11 , H10K85/342 , H10K85/654
摘要： Provided is an organic light emitting device including a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer outside the first electrode or the second electrode. The emission layer includes a first emitter, the first emitter emits red light and includes iridium, a photoluminescence (PL) spectrum of the first emitter includes a first peak (Imax) having a maximum intensity and a second peak (I2nd) having a second highest intensity, and a ratio (I2nd/Imax) of an intensity of the second peak to an intensity of the first peak is less than or equal to 0.5. The capping layer includes an amine-fee compound.
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公开(公告)号：US20230380258A1
公开(公告)日：2023-11-23
申请号：US18187571
申请日：2023-03-21
发明人： Dongsun Yoo , Donguk Kang , Gyeongheon Kim , Sohae Kim , Jihye Kim , Hoilim Kim , Saerom Park , Yongsub Shim
CPC分类号： H10K85/342 , H10K50/11 , H10K10/46 , C07F15/0033
摘要： Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device. The organometallic compound Formula 1 is as described in the present specification.
M(L1)n1(L2)n2 Formula 1-
公开(公告)号：US20240279539A1
公开(公告)日：2024-08-22
申请号：US18420614
申请日：2024-01-23
发明人： Dongsun Yoo , Donguk Kang , Gyeongheon Kim , Sohae Kim , Jihye Kim , Hoilim Kim , Saerom Park , Yongsub Shim
CPC分类号： C09K11/06 , C07B59/004 , C09K11/02 , H10K85/20 , H10K85/342 , H10K85/622 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , C07B2200/05 , C09K2211/1033 , C09K2211/1037
摘要： An organometallic compound includes iridium and a first ligand, where the first ligand is a bidentate ligand including Y1-containing ring B1 and Y2-containing ring B2, the Y1-containing ring B1 and Y2-containing ring B2 are each independently a polycyclic group in which three or more monocyclic groups are condensed together, Y1 is nitrogen bonded to iridium and Y2 is carbon bonded to iridium, and the organometallic compound is to emit red light. In addition, there are provided a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device, each including the light-emitting device.
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公开(公告)号：US20240334827A1
公开(公告)日：2024-10-03
申请号：US18612118
申请日：2024-03-21
发明人： Gyeongheon Kim , Donguk Kang , Seran Kim , Hoilim Kim , Saerom Park , Dongsun Yoo , Junyoung Lee
IPC分类号： H10K85/60 , C09K11/06 , H10K50/15 , H10K50/17 , H10K101/00 , H10K101/40
CPC分类号： H10K85/6576 , C09K11/06 , H10K85/633 , H10K85/636 , H10K85/657 , C09K2211/1018 , H10K50/15 , H10K50/17 , H10K85/615 , H10K85/6572 , H10K2101/40 , H10K2101/90
摘要： Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and a consumer product including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a hole transport region between the emission layer and the first electrode, and an electron transport region between the emission layer and the second electrode. The hole transport region includes a hole injection layer and a hole transport layer, the hole injection layer includes a charge-generation compound and a first hole-transporting compound, the hole transport layer includes a second hole-transporting compound, and the charge-generation compound and the second hole-transporting compound respectively satisfy Inequality 1 and Inequality 2, which are explained in the specification.
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5.发明公开公开(公告)号：US20240251581A1
公开(公告)日：2024-07-25
申请号：US18395869
申请日：2023-12-26
发明人： Gyeongheon Kim , Donguk Kang , Jihye Kim , Hoilim Kim , Saerom Park , Dongsun Yoo , Hyunguk Cho
IPC分类号： H10K50/12 , H10K50/165 , H10K85/30
CPC分类号： H10K50/12 , H10K50/165 , H10K85/342
摘要： Embodiments provide a light-emitting device, an electronic device including the light-emitting device, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport between the emission layer and the second electrode, and the emission layer includes a first emitter, and the electron transport region includes a heterocyclic compound, wherein the first emitter and the heterocyclic compound are explained in the specification.
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公开(公告)号：US20240196725A1
公开(公告)日：2024-06-13
申请号：US18461978
申请日：2023-09-06
发明人： Dongsun Yoo , Donguk Kang , Gyeongheon Kim , Seran Kim , Sohae Kim , Jihye Kim , Hoilim Kim , Saerom Park , Yongsub Shim
CPC分类号： H10K85/342 , C07F15/0033 , C09K11/06 , H10K50/11
摘要： Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device that include the light-emitting device. In Formula 1, L1 may be a ligand represented by Formula 2, and Formulae 1 and 2 are described in more detail in the specification.
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公开(公告)号：US20240114767A1
公开(公告)日：2024-04-04
申请号：US18241749
申请日：2023-09-01
发明人： Dongsun Yoo , Donguk Kang , Gyeongheon Kim , Seran Kim , Sohae Kim , Jihye Kim , Hoilim Kim , Saerom Park , Yongsub Shim
CPC分类号： H10K85/342 , C07F15/0033 , C09K11/06 , H10K50/11
摘要： Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The first ligand, L1, of the organometallic compound may include a first polycyclic coordinate ring in which four or more rings are condensed with each other and a second polycyclic coordinate ring in which three or more rings are condensed with each other.
M1(L1)n1(L2)n2 Formula 1.-
公开(公告)号：US20230422597A1
公开(公告)日：2023-12-28
申请号：US18339045
申请日：2023-06-21
发明人： Sohae Kim , Donguk Kang , Gyeongheon Kim , Hochul Song , Sangho Jeon , Sunmi Choi
CPC分类号： H10K85/342 , H10K50/12 , H10K85/636 , C09K11/06
摘要： A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and a capping layer, wherein the emission layer includes a first emitter, the first emitter is configured to emit first light having a first emission spectrum, the capping layer is arranged in a path on which the first light is configured to travel, an emission peak wavelength of the first light is in a range of about 610 nm to about 720 nm, the first emitter includes iridium, the capping layer includes an amine-containing compound, a value of ratio of reflective index to full width at half maximum of the first light configured to be extracted to the outside through the capping layer is 2.0 or more, and the RRF value is calculated by Equation 1.
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