1036378-83-2Relevant articles and documents
Highly efficient deep-blue OLEDs based on hybridized local and charge-transfer emitters bearing pyrene as the structural unit
Fu, Caixia,Luo, Shuai,Li, Zhenzhen,Ai, Xin,Pang, Zhenguo,Li, Chuan,Chen, Kuan,Zhou, Liang,Li, Feng,Huang, Yan,Lu, Zhiyun
, p. 6317 - 6320 (2019)
A new family of hybridized local and charge-transfer (HLCT) emitters bearing a pyrene structural unit has been developed. Deep-blue OLEDs based on them achieved high brightness over 10000 cd m-2, high maximum external quantum efficiency over 10.5%, and high maximum exciton utilization efficiency approaching 100%, with CIE coordinates of (0.152, 0.065).
AIEgen with Fluorescence–Phosphorescence Dual Mechanoluminescence at Room Temperature
Yang, Jie,Ren, Zichun,Xie, Zongliang,Liu, Yingjie,Wang, Can,Xie, Yujun,Peng, Qian,Xu, Bin,Tian, Wenjing,Zhang, Fan,Chi, Zhenguo,Li, Qianqian,Li, Zhen
, p. 880 - 884 (2017)
We report the first example of an AIEgen (DPP-BO) with fluorescence–phosphorescence dual emission under mechanical stimulation. By carefully analyzing the crystal structure of DPP-BO, the efficient intermolecular and intramolecular interactions should account for its unique mechanoluminescence (ML) properties, especially the abnormal phosphorescence, as further confirmed by controlled experiments and theoretical calculations for the presence of ISC transitions. These results provide important information for understanding the complex ML process, possibly opening up a new way to study the inherent mechanism of ML by broadening the application of AIEgens.
Organic compound based on triazine and anthrone structure, and applications thereof
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Paragraph 0110; 0144; 0145, (2020/03/23)
The invention relates to an organic compound based on a triazine and anthrone structure, and applications in OLED devices. The compound has high glass transition temperature and high molecular thermalstability, and is low in absorption in the field of vis
Organic compound based on triazine and benzimidazolone structures and application of organic compound in organic electroluminescent device
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Paragraph 0143; 0155-0156, (2020/04/17)
The invention relates to an organic compound based on triazine and benzimidazolone structures and an application of the organic compound in an organic electroluminescent device. The structure of the compound simultaneously contains the triazine and benzimidazolone structures, and the compound has high glass transition temperature and molecular thermal stability; the compound is low in absorption and high in refractive index in the field of visible light, and after the compound is applied to a covering layer of an OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound disclosed by the invention also has a relatively deep HOMO energy level and high electron mobility, can be used as a hole blocking or electron transport layer material of theOLED device, and can effectively block holes or energy from being transmitted from a light emitting layer to one side of an electron layer, thereby improving the recombination efficiency of the holesand electrons in the light emitting layer, improving the light emitting efficiency of the OLED device, and prolonging the service life of the OLED device.
Organic compound based on pyridine and benzoxadiazole and application of the compound
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Paragraph 0114-0116, (2020/03/17)
The invention discloses an organic compound based on pyridine and benzoxadiazole and an application of the compound and belongs to the technical field of semiconductors, wherein the compound has the structure of the general formula (I). The invention also
COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
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Paragraph 0139-0142, (2019/11/21)
The present invention provides a compound represented by chemical formula and an organic light emitting device comprising the same. The organic light emitting device comprising the compound has excellent electrochemical and thermal stability, thereby having excellent lifespan characteristics.COPYRIGHT KIPO 2020
COMPOUNDS FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE INCLUDING THE SAME
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, (2018/02/22)
A compound for an organic optoelectronic device represented by Chemical Formula 1 and an organic optoelectronic device including the same are provided. In Chemical Formula 1, R1 to R5 are independently hydrogen, deuterium, —NH2, a substituted or unsubstit
Highly efficient pyrene blue emitters for OLEDs based on substitution position effect
Jung, Mina,Lee, Jaehyun,Jung, Hyocheol,Kang, Seokwoo,Wakamiya, Atsushi,Park, Jongwook
, p. 42 - 49 (2018/05/24)
To investigate the effect of substitution position of the side group on a pyrene core, three derivatives having a triphenylbenzene group as a bulky side group at the 1,6-position, 4,9-position, and 1,8-position were successfully synthesized: 1,6-bis(5′-phenyl-[1,1':3′,1″-terphenyl]-4-yl)pyrene (1,6-DTBP), 4,9-bis(5′-phenyl-[1,1':3′,1″-terphenyl]-4-yl)pyrene (4,9-DTBP), and 1,8-bis(5′-phenyl-[1,1':3′,1″-terphenyl]-4-yl)pyrene (1,8-DTBP). The three synthesized materials showed excellent thermal stability with a high Tg of >140 °C and a high Td of >500 °C. Due to the highly twisted structure of 1,8-DTBP in the film state, the absolute photoluminescence quantum yield value was improved. Of the three synthesized materials used as an emitter in a non-doped organic light-emitting diode device, 1,8-DTBP showed highly efficient electroluminescence performance, with a luminance efficiency of 6.89 cd/A, power efficiency of 3.03 lm/W, and external quantum efficiency of 7.10% at 10 mA/cm2. In addition, 4,9-DTBP showed a deep-blue emission of CIE x, y (0.158, 0.063) suitable for HD-TV.
Naphtho-fluorene carbazole compound and application thereof
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Paragraph 0119; 0122-0124, (2018/03/26)
The invention belongs to the field of organic electroluminescence, and in particular relates to a naphtho-fluorene carbazole compound and application thereof. An OLED device manufactured by taking thesynthesized organic compound as a main body light-emitting material can be applied in the fields of AM drive OLED display, PM drive OLED display or OLED illumination. The external quantum efficiency,the power efficiency and the current efficiency of the device are greatly improved, and the service life of the device is obviously prolonged, so that the naphtho-fluorene carbazole compound has thegood market prospect.
Synthesis and electroluminescence properties of new dual-core derivatives
Lee, Hayoon,Lee, Sunmi,Jung, Hyocheol,Kang, Seokwoo,Park, Jongwook
, p. 2166 - 2170 (2018/01/12)
New blue emitting materials based on dual core concept, TP-AF-TP and TP-HAF-TP were synthesized through boronylation and Suzuki coupling reactions. In the thin film state, TP-AF-TP and TP-HAF-TP exhibited maximum PL values at 445 and 440 nm, respectively. A non-doped OLED device based on TP-AF-TP and TP-HAF-TP showed current efficiency of 3.16 and 2.67 cd/A, respectively. TP-AF-TP exhibited a higher EL efficiency than that of TP-HAF-TP.