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公开(公告)号：US20240260289A1
公开(公告)日：2024-08-01
申请号：US18396172
申请日：2023-12-26
发明人： Jing Wang , Menglan Xie , Huiqing Pang , Zhihao Cui , Hualong Ding , Renjie Zheng , Chi Yuen Raymond Kwong , Chuanjun Xia
CPC分类号： H10K50/11 , H10K50/181 , H10K85/342 , H10K85/633 , H10K85/655 , H10K85/6572 , H10K85/6574
摘要： Provided is an organic electroluminescent device. The organic electroluminescent device comprises: an anode, a cathode, an emissive layer disposed between the anode and the cathode, and an electron blocking layer disposed between the anode and the emissive layer, wherein the electron blocking layer comprises an electron blocking material; the capacitance of the organic electroluminescent device satisfies the following condition: at 500 Hz, a maximum capacitance value of the organic electroluminescent device is Cmax, and ΔC=C0−Cmax≥0.4 nF; the electron blocking material has a hole mobility μh≤65×10−5 cm2/(V·s); a hole-only device of the emissive layer has a drive voltage VHOD@J10≤8.0 V at a current density of 10 mA/cm2, and an electron-only device of the emissive layer has a drive voltage VEOD@J10≤8.0 V at a current density of 10 mA/cm2. The organic electroluminescent device can greatly reduce device capacitance and further reduce a device voltage and improve device efficiency so that the device has better performance. Further provided is a display assembly comprising the organic electroluminescent device.
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公开(公告)号：US11993617B2
公开(公告)日：2024-05-28
申请号：US17071612
申请日：2020-10-15
发明人： Zhihong Dai , Yongjun Wu , Jin Qiao , Chi Yuen Raymond Kwong , Chuanjun Xia
IPC分类号： H10K85/30 , C07F3/06 , C07F15/00 , H10K50/11 , H10K101/10
CPC分类号： C07F3/06 , C07F15/0033 , H10K85/342 , H10K50/11 , H10K2101/10
摘要： Provided is an organic light-emitting material having an ancillary ligand with partially fluorinated substituents. The organic light-emitting material is a metal complex having a diketone ancillary ligand with partially fluorinated substituents and may be used as a light-emitting material in an organic electroluminescent device. These new types of metal complex can fine-tune the emission wavelength more effectively, reduce voltage, improve efficiency, prolong lifetimes, and provide better device performance. Further provided are an organic electroluminescent device and a compound formulation.
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公开(公告)号：US20230250118A1
公开(公告)日：2023-08-10
申请号：US17977557
申请日：2022-10-31
发明人： Zhihong Dai , Zhen Wang , Chuanjun Xia , Chi Yuen Raymond Kwong
CPC分类号： C07F15/0033 , C07F1/08 , C07F1/12 , C07F13/00 , C07F15/002 , C07F15/0073 , C07F15/0086 , H01L51/0084 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/0091 , H01L51/5012
摘要： Provided are an electroluminescent material and a device thereof. The electroluminescent material is a metal complex having a ligand represented by Formula 1 and can be used as light-emitting materials in electroluminescent devices. These new metal complexes can effectively regulate and control the luminescence wavelength, reduce the drive voltage of electroluminescent devices, greatly improve the current efficiency, power efficiency and EQE of electroluminescent devices, prolong the device lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
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公开(公告)号：US20230200227A1
公开(公告)日：2023-06-22
申请号：US17973700
申请日：2022-10-26
发明人： Ziyan Zhang , Meiying Wang , Le Wang , Qiang Wang , Chi Yuen Raymond Kwong , Chuanjun Xia
CPC分类号： H01L51/0067 , C09K11/06 , H01L51/0052 , H01L51/0072 , H01L51/0085 , C09K2211/185 , C09K2211/1029 , H01L51/5012
摘要： Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer at least comprises a first compound having a structure of H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound may be used as host materials in the organic electroluminescent device. The electroluminescent device can have a longer device lifetime while maintaining a high level of current efficiency or further improving the current efficiency, and can provide better device performance. Further provided are an electronic apparatus and a compound combination.
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公开(公告)号：US20230136831A1
公开(公告)日：2023-05-04
申请号：US17955792
申请日：2022-09-29
发明人： Le Wang , Qiang Wang , Han Zhang , Ziyan Zhang , Meiying Wang , Junfei Wang , Chi Yuen Raymond Kwong , Chuanjun Xia
IPC分类号： H01L51/00
摘要： Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer at least comprises a first compound having a structure of H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound can be used as the host material in organic electroluminescent devices. The electroluminescent device has a long device lifetime and can provide better device performance. Further provided is a compound composition.
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公开(公告)号：US20230055865A1
公开(公告)日：2023-02-23
申请号：US17860538
申请日：2022-07-08
发明人： Menglan Xie , Chi Yuen Raymond Kwong , Huiqing Pang , Zhihao Cui , Jing Wang , Hualong Ding , Chuanjun Xia
摘要： Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first organic layer, the first organic layer contains a first organic material and a second organic material that satisfy particular energy level requirements, and the first organic layer has a conductivity greater than or equal to 3×10−5 S/m. The novel organic electroluminescent device effectively controls a hole injection ability so that the overall performance of the device is effectively improved. Further provided are an organic electroluminescent device and a first organic electroluminescent device.
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公开(公告)号：US20220372055A1
公开(公告)日：2022-11-24
申请号：US17718430
申请日：2022-04-12
发明人： Zhen Wang , Hongbo Li , Ming Sang , Wei Cai , Chi Yuen Raymond Kwong , Chuanjun Xia
摘要： Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex including a ligand La having a structure of Formula 1, and the metal complex can be used as luminescent materials in electroluminescent devices. These new compounds, when used in electroluminescent devices, can show better performance, provide lower device voltage and higher device efficiency, and significantly improve the comprehensive performance of devices. Further provided are an electroluminescent device including the metal complex and a compound composition including the metal complex.
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公开(公告)号：US11466009B2
公开(公告)日：2022-10-11
申请号：US16689007
申请日：2019-11-19
发明人： Zhihao Cui , Chi Yuen Raymond Kwong , Chuanjun Xia
IPC分类号： H01L51/50 , C07D487/04 , H01L51/00 , C07D517/04 , C07D498/04 , C07D513/04
摘要： Organic electroluminescent materials and devices are disclosed. The organic electroluminescent materials are novel benzodithiophene or its analogous structure compounds, which can be used as charge transporting materials, hole injection materials, or the like in an electroluminescent device. These novel compounds can offer excellent performance compared with existing materials, for example, to further improve the voltage, efficiency and/or lifetime of the OLEDs.
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公开(公告)号：US20220259239A1
公开(公告)日：2022-08-18
申请号：US17649239
申请日：2022-01-28
发明人： Wei Cai , Ming Sang , Hongbo Li , Zhen Wang , Chi Yuen Raymond Kwong , Chuanjun Xia
摘要： Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a metal complex including a ligand La having a structure of Formula 1, and the metal complex can be used as a luminescent material in an electroluminescent device. These new compounds, when used in electroluminescent devices, can show better performance, provide more saturated luminescence, higher luminous efficiency and narrower full width at half maximum, and significantly improve the comprehensive performance of devices. Further provided are an electroluminescent device including the metal complex and a compound combination including the metal complex.
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公开(公告)号：US11359770B2
公开(公告)日：2022-06-14
申请号：US16432554
申请日：2019-06-05
发明人： Huiqing Pang , Chuanjun Xia
IPC分类号： H01L25/04 , F21K9/20 , F21K9/90 , F21V19/00 , H01L51/52 , H01L51/56 , F21Y113/10 , F21Y115/15 , F21V23/04
摘要： The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.
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