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71. 发明授权

US12096685B2 Persistent luminescence emitter 有权
公开(公告)号：US12096685B2
公开(公告)日：2024-09-17
申请号：US17590251
申请日：2022-02-01
申请人： Okinawa Institute of Science and Technology School Corporation
发明人： Kazuya Jinnai , Ryota Kabe , Chihaya Adachi
IPC分类号： H10K85/60 , H10K50/11 , H10K50/16 , H10K50/18 , H10K101/10 , H10K101/30 , H10K101/40
CPC分类号： H10K85/6572 , H10K50/11 , H10K50/16 , H10K50/18 , H10K2101/10 , H10K2101/30 , H10K2101/40
摘要： Disclosed is a persistent luminescence emitter containing an electron donor molecule and an electron acceptor molecule having a LUMO level of lower than −3.5 eV, wherein emission intensity increases by temperature rise after photo-irradiation of the persistent luminescence emitter stops.

72. 发明授权

US12096681B2 Organic electroluminescent materials and devices 有权
公开(公告)号：US12096681B2
公开(公告)日：2024-09-17
申请号：US18359557
申请日：2023-07-26
申请人： UNIVERSAL DISPLAY CORPORATION
发明人： Chun Lin , Nicholas J. Thompson , Jerald Feldman
IPC分类号： H10K85/30 , C09K11/06 , H10K85/40 , H10K85/60 , H10K50/11 , H10K101/00 , H10K101/10 , H10K101/30
CPC分类号： H10K85/346 , C09K11/06 , H10K85/30 , H10K85/342 , H10K85/40 , H10K85/626 , H10K85/631 , H10K85/654 , H10K85/657 , H10K85/6572 , H10K85/6576 , C09K2211/1077 , C09K2211/185 , H10K50/11 , H10K2101/10 , H10K2101/30 , H10K2101/90
摘要： An OLED is disclosed whose emissive layer has a first host and an emitter, where the emitter is a phosphorescent metal complex or a delayed fluorescent emitter, where EH1T, the T1 triplet energy of the first host, is higher than EET, the T1 triplet energy of the emitter, where EET is at least 2.50 eV, where the LUMO energy of the first host is higher than the HOMO energy of the emitter, where the absolute value of the difference between the HOMO energy of the emitter and the LUMO energy of the first host is ΔE1, where a≤ΔE1−EET≤b; and where a≥0.05 eV, and b≤0.60 eV.

73. 发明授权

US12089492B2 Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element 有权
公开(公告)号：US12089492B2
公开(公告)日：2024-09-10
申请号：US17748108
申请日：2022-05-19
申请人： IDEMITSU KOSAN CO., LTD.
发明人： Sayaka Mizutani , Takayasu Sado
IPC分类号： H01L51/54 , C07D405/10 , C07D405/14 , C07D409/10 , C07D409/14 , C09K11/02 , C09K11/06 , H10K50/11 , H10K50/16 , H10K85/60 , H10K50/17 , H10K50/18 , H10K101/10 , H10K101/30 , H10K101/40 , H10K102/00 , H10K102/10
CPC分类号： H10K85/654 , C07D405/10 , C07D405/14 , C07D409/10 , C07D409/14 , C09K11/025 , C09K11/06 , H10K50/11 , H10K50/16 , H10K85/615 , H10K85/622 , H10K85/623 , H10K85/657 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1011 , H10K50/171 , H10K50/18 , H10K2101/10 , H10K2101/30 , H10K2101/40 , H10K2102/101 , H10K2102/351
摘要： An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X1 to X3 are a nitrogen atom or CR1, and A is represented by a formula (2) below. In the formula (2), L1 is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y1 is an oxygen atom, a sulfur atom or the like, and one of X11 to X18 is a carbon atom bonded to L1 by a single bond and the rest of X11 to X18 are a nitrogen atom or CR13.

74. 发明公开

US20240298540A1 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES 审中-公开
公开(公告)号：US20240298540A1
公开(公告)日：2024-09-05
申请号：US18593334
申请日：2024-03-01
申请人： Universal Display Corporation
发明人： Peter Wolohan
IPC分类号： H10K85/60 , C07D519/00 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/18 , H10K101/10 , H10K101/30 , H10K101/40
CPC分类号： H10K85/6572 , C07D519/00 , C09K11/06 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/18 , H10K2101/10 , H10K2101/30 , H10K2101/40
摘要： A compound of Formula I

wherein X1 to X8 are independently selected from C or N, and Y is selected from the group consisting of NR2, O, S, Se, CR3R4, SiR3R4, and GeR3R4. RA and RB represent mono to the maximum allowable substitution, or no substitution. The compounds of Formula I will also have at least one of RA, RB, R1, R2, R3, or R4 that comprises a structure selected from the group consisting of formula A, formula B, and formula C as described herein. In n the structures of formula A, formula B, or formula C, Z is selected from the group consisting of NR5, O, S, Se, CR6R7, SiR6R7, and GeR6R7; wherein R5 is a substituent selected from the group consisting of deuterium, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; or optionally, R5 is an aromatic linker that connects the structure of formula A to Formula I, or the structure of formula C to Formula I. In formulae A, B, and C, X9 to X41 are independently selected from C or N; where in formula B, at least one of X17 to X33 is N; and in formula C, at least one of X34 to X41 is N. The substituents RC, RD, RE, RF, RG, RH, RI, and RJ represent mono to the maximum allowable substitution, or no substitution.

75. 发明授权

US12082429B2 Light-emitting device, light-emitting apparatus, electronic device, and lighting device 有权
公开(公告)号：US12082429B2
公开(公告)日：2024-09-03
申请号：US17048642
申请日：2019-10-03
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Satoshi Seo , Tsunenori Suzuki , Takumu Okuyama , Yusuke Takita , Naoaki Hashimoto , Hiromi Seo , Nobuharu Ohsawa , Toshiki Sasaki , Shunpei Yamazaki
IPC分类号： H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K85/60 , H10K101/30 , H10K101/40 , H10K85/30 , H10K101/10
CPC分类号： H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K85/30 , H10K85/342 , H10K85/615 , H10K85/622 , H10K85/626 , H10K85/636 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/10 , H10K2101/30 , H10K2101/40
摘要： A novel light-emitting device is provided. Alternatively, a light-emitting device with high emission efficiency is provided. Alternatively, a light-emitting device having a long lifetime is provided. Alternatively, a light-emitting device having low driving voltage is provided. A light-emitting device including an EL layer including a first layer, a second layer, a third layer, a light-emitting layer, and a fourth layer in this order from the anode side is provided. The first layer includes a first organic compound and a second organic compound. The fourth layer includes a seventh organic compound. The first organic compound exhibits an electron-accepting property with respect to the second organic compound. The HOMO level of the second organic compound is from −5.7 eV to −5.4 eV. The HOMO level of the seventh organic compound is −6.0 eV or higher.

76. 发明公开

US20240284776A1 Organic Light-Emitting Diode 审中-公开
公开(公告)号：US20240284776A1
公开(公告)日：2024-08-22
申请号：US18400336
申请日：2023-12-29
申请人： LG Display Co., Ltd.
发明人： Sangbeom Kim , Seongsu Jeon , Youngjun Yu , Seonkeun Yoo , Kusun Choung
IPC分类号： H10K85/30 , C09K11/02 , C09K11/06
CPC分类号： H10K85/342 , C09K11/02 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1088 , C09K2211/185 , H10K50/10 , H10K2101/10 , H10K2101/30 , H10K2101/90 , H10K2102/351
摘要： Disclosed are a structure of an organic light-emitting diode capable of lowering an operation voltage, and improving luminous efficacy and lifetime of an organic light-emitting diode, and a material thereof.

77. 发明授权

US12063857B2 Organic light-emitting device and display apparatus including the same 有权
公开(公告)号：US12063857B2
公开(公告)日：2024-08-13
申请号：US18160631
申请日：2023-01-27
申请人： Samsung Display Co., LTD.
发明人： Jaeyong Lee , Taekyung Kim , Minkyung Kim , Seulong Kim , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
IPC分类号： H10K85/60 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/19 , H10K101/30 , H10K101/40
CPC分类号： H10K85/6572 , H10K50/11 , H10K85/615 , H10K85/626 , H10K85/631 , H10K85/636 , H10K85/654 , H10K50/15 , H10K50/16 , H10K50/19 , H10K2101/30 , H10K2101/40
摘要： Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

78. 发明授权

US12058932B2 Co-host material, light emitting layer composition, and light emitting device 有权
公开(公告)号：US12058932B2
公开(公告)日：2024-08-06
申请号：US17355351
申请日：2021-06-23
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Siqi Wang
IPC分类号： H01L51/50 , C07D209/86 , C07D239/26 , C07D251/24 , C07F7/08 , C09K11/06 , H10K85/40 , H10K85/60 , H10K50/11 , H10K101/00 , H10K101/30 , H10K102/00
CPC分类号： H10K85/6572 , C07D209/86 , C07D239/26 , C07D251/24 , C07F7/0812 , C09K11/06 , H10K85/40 , H10K85/654 , C09K2211/1018 , H10K50/11 , H10K2101/30 , H10K2101/90 , H10K2102/351
摘要： The present disclosure provides a co-host material, a composition for forming a light emitting layer, and a light emitting device. The co-host material can at least partially solve the difficulty in the limited selection of thermally activated delayed fluorescent materials in the existing light emitting devices, and the difficulty in providing a light emitting layer of a blue light emitting device. The co-host material comprises a first compound and a second compound each having a specific general formula.

79. 发明授权

US12058913B2 Display panel and information processing device 有权
公开(公告)号：US12058913B2
公开(公告)日：2024-08-06
申请号：US17425786
申请日：2020-02-12
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Shunpei Yamazaki , Harue Osaka
IPC分类号： H10K59/38 , H10K59/12 , H10K101/30
CPC分类号： H10K59/38 , H10K59/12 , H10K2101/30
摘要： A display panel is provided. The display panel includes a display region, an insulating film, and a sealing film; the display region includes a pixel; and the pixel includes a display element and a color conversion layer. The insulating film covers the display element, the sealing film includes a region, the color conversion layer is sandwiched between the region and the insulating film, and the sealing film includes a region that is on the outside of the display region and in contact with the insulating film. The display element includes a first layer, a second layer, a third layer, and a fourth layer. The first layer contains a first material and a second material, the second layer contains a third material, the third layer contains a light-emitting material and a fourth material, the fourth layer contains a fifth material and a sixth material, the first material has a HOMO level higher than or equal to −5.7 eV and lower than or equal to −5.4 eV, the second material has an acceptor property, the third material has a lower HOMO level than the first material, the fifth material has a HOMO level higher than or equal to −6.0 eV, and the sixth material is an organic complex of alkali metal or an organic complex of alkaline earth metal.

80. 发明公开

US20240251584A1 LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE 审中-公开
公开(公告)号：US20240251584A1
公开(公告)日：2024-07-25
申请号：US18398075
申请日：2023-12-27
申请人： Samsung Display Co., Ltd.
发明人： Gyeongheon Kim , Eunhwa Jang , Sohae Kim , Jihye Kim , Saerom Park , Dongsun Yoo , Jintaek Cho
IPC分类号： H10K50/12 , H10K59/38 , H10K59/40 , H10K85/30 , H10K85/40 , H10K85/60 , H10K101/30 , H10K101/40
CPC分类号： H10K50/121 , H10K59/38 , H10K59/40 , H10K85/342 , H10K85/40 , H10K85/622 , H10K85/633 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K85/658 , H10K2101/30 , H10K2101/40
摘要： A 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 a hole transport region and an emission layer, the hole transport region is between the first electrode and the emission layer, the hole transport region includes a first layer in direct contact with the emission layer, the emission layer includes a first host and a first emitter. The first emitter is to emit first light having a peak emission wavelength of about 610 nm to about 720 nm. The first layer includes a first material. Both an absolute value of a highest occupied molecular orbital (HOMO) energy level of the first material and an absolute value of the HOMO energy level of the first emitter are greater than an absolute value of a HOMO energy level of the first host.

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