-
公开(公告)号：US20140326978A1
公开(公告)日：2014-11-06
申请号：US14336191
申请日：2014-07-21
发明人： Tsunenori Suzuki , Satoshi Seo , Ryoji Nomura
IPC分类号： H01L51/50
CPC分类号： H01L51/5096 , H01L51/002 , H01L51/006 , H01L51/0062 , H01L51/0072 , H01L51/0073 , H01L51/0081 , H01L51/5016 , H01L51/504 , H01L51/5048 , H01L51/5052
摘要： The light-emitting element of the present invention includes a light-emitting layer and a layer for controlling movement of carriers between a pair of electrodes. The layer for controlling movement of carriers includes a first organic compound having a carrier transporting property and a second organic compound for reducing the carrier transporting property of the first organic compound, and the second organic compound is dispersed in the first organic compound. The layer for controlling movement of carriers is provided in such a manner, whereby change in carrier balance with time can be suppressed. Therefore, a light-emitting element having a long lifetime can be obtained.
-
公开(公告)号：US08786183B2
公开(公告)日：2014-07-22
申请号：US14081078
申请日：2013-11-15
发明人： Tsunenori Suzuki , Satoshi Seo , Ryoji Nomura
IPC分类号： H05B33/00
CPC分类号： H01L51/5096 , H01L51/002 , H01L51/006 , H01L51/0062 , H01L51/0072 , H01L51/0073 , H01L51/0081 , H01L51/5016 , H01L51/504 , H01L51/5048 , H01L51/5052
摘要： The light-emitting element of the present invention includes a light-emitting layer and a layer for controlling movement of carriers between a pair of electrodes. The layer for controlling movement of carriers includes a first organic compound having a carrier transporting property and a second organic compound for reducing the carrier transporting property of the first organic compound, and the second organic compound is dispersed in the first organic compound. The layer for controlling movement of carriers is provided in such a manner, whereby change in carrier balance with time can be suppressed. Therefore, a light-emitting element having a long lifetime can be obtained.
摘要翻译： 本发明的发光元件包括发光层和用于控制一对电极之间的载流子的移动的层。 用于控制载流子移动的层包括具有载流子传输性质的第一有机化合物和用于降低第一有机化合物的载流子传输性质的第二有机化合物，并且第二有机化合物分散在第一有机化合物中。 以这样的方式提供用于控制载体移动的层，由此可以抑制载流子平衡随时间的变化。 因此，可以获得寿命长的发光元件。
-
33.发明申请Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device 有权发光元件，发光装置，电子装置和照明装置公开(公告)号：US20140159011A1
公开(公告)日：2014-06-12
申请号：US14101623
申请日：2013-12-10
发明人： Hiroki Suzuki , Satoshi Seo , Sachiko Kawakami , Tsunenori Suzuki
IPC分类号： H01L51/00
CPC分类号： H01L51/0072 , C07D209/86 , C09K11/025 , C09K11/06 , C09K2211/1029 , H01L51/0052 , H01L51/0058 , H01L51/006 , H01L51/5012 , H01L51/5028
摘要： Provided is a light-emitting element which has high emission efficiency and a long lifetime and is driven at low voltage. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes a compound which gives a first peak at a m/z of around 266.10 in a mass spectrum.
摘要翻译： 提供一种发光效率高，寿命长，低电压驱动的发光元件。 发光元件包括一对电极之间的EL层。 EL层包括在质谱中以大约266.10的m / z给出第一峰的化合物。
-
公开(公告)号：US20130161593A1
公开(公告)日：2013-06-27
申请号：US13690382
申请日：2012-11-30
发明人： Satoshi Seo , Tsunenori Suzuki
IPC分类号： H01L51/50
CPC分类号： H01L51/5012 , H01L27/3246 , H01L27/3281 , H01L51/0059 , H01L51/0072 , H01L51/5036 , H01L51/5056 , H01L2251/552
摘要： A light-emitting element includes a first electrode, a first light-emitting layer formed over the first electrode, a second light-emitting layer formed on and in contact with the first light-emitting layer to be in contact therewith, and a second electrode formed over the second light-emitting layer. The first light-emitting layer includes a first light-emitting substance and a hole-transporting organic compound, and the second light-emitting layer includes a second light-emitting substance and an electron-transporting organic compound. Substances are selected such that a difference in LUMO levels between the first light-emitting substance, the second light-emitting substance, and the electron-transporting organic compound is 0.2 eV or less, a difference in HOMO levels between the hole-transporting organic compound, the first light-emitting substance, and the second light-emitting substance is 0.2 eV or less, and a difference in LUMO levels between the hole-transporting organic compound and the first light-emitting substance is greater than 0.3 eV.
摘要翻译： 发光元件包括：第一电极，形成在第一电极上的第一发光层，与要与其接触的第一发光层形成并与其接触的第二发光层;以及第二电极 形成在第二发光层上。 第一发光层包括第一发光物质和空穴传输有机化合物，第二发光层包括第二发光物质和电子传输有机化合物。 选择物质，使得第一发光物质，第二发光物质和电子传输有机化合物之间的LUMO能级的差异为0.2eV以下，空穴传输性有机化合物 第一发光物质和第二发光物质为0.2eV以下，空穴传输性有机化合物与第一发光物质之间的LUMO能级差大于0.3eV。
-
公开(公告)号：US20130069037A1
公开(公告)日：2013-03-21
申请号：US13680228
申请日：2012-11-19
发明人： Tsunenori Suzuki , Satoshi Seo , Ryoji Nomura
IPC分类号： H01L51/50
CPC分类号： H01L51/5096 , H01L51/002 , H01L51/006 , H01L51/0062 , H01L51/0072 , H01L51/0073 , H01L51/0081 , H01L51/5016 , H01L51/504 , H01L51/5048 , H01L51/5052
摘要： The light-emitting element of the present invention includes a light-emitting layer and a layer for controlling movement of carriers between a pair of electrodes. The layer for controlling movement of carriers includes a first organic compound having a carrier transporting property and a second organic compound for reducing the carrier transporting property of the first organic compound, and the second organic compound is dispersed in the first organic compound. The layer for controlling movement of carriers is provided in such a manner, whereby change in carrier balance with time can be suppressed. Therefore, a light-emitting element having a long lifetime can be obtained.
摘要翻译： 本发明的发光元件包括发光层和用于控制一对电极之间的载流子的移动的层。 用于控制载流子移动的层包括具有载流子传输性质的第一有机化合物和用于降低第一有机化合物的载流子传输性质的第二有机化合物，并且第二有机化合物分散在第一有机化合物中。 以这样的方式提供用于控制载体移动的层，由此可以抑制载流子平衡随时间的变化。 因此，可以获得寿命长的发光元件。
-
36.发明授权公开(公告)号：US12127471B2
公开(公告)日：2024-10-22
申请号：US18216285
申请日：2023-06-29
发明人： Tsunenori Suzuki , Naoaki Hashimoto , Eriko Saijo , Satoshi Seo
IPC分类号： H01L51/00 , H01L51/50 , H10K50/11 , H10K50/13 , H10K50/16 , H10K85/30 , H10K85/60 , H10K101/00 , H10K101/10 , H10K101/30
CPC分类号： H10K85/342 , H10K50/11 , H10K50/13 , H10K50/16 , H10K85/622 , H10K85/631 , H10K85/633 , H10K85/6572 , H10K85/6576 , H10K2101/10 , H10K2101/27 , H10K2101/30 , H10K2101/90
摘要： A light-emitting element which includes a plurality of light-emitting layers between a pair of electrodes and has low driving voltage and high emission efficiency is provided. A light-emitting element including first to third light-emitting layers between a cathode and an anode is provided. The first light-emitting layer includes a first phosphorescent material and a first electron-transport material; the second light-emitting layer includes a second phosphorescent material and a second electron-transport material; the third light-emitting layer includes a fluorescent material and a third electron-transport material; the first to third light-emitting elements are provided in contact with an electron-transport layer positioned on a cathode side; and a triplet excitation energy level of a material included in the electron-transport layer is lower than triplet excitation energy levels of the first electron-transport material and the second electron-transport material.
-
公开(公告)号：US12065419B2
公开(公告)日：2024-08-20
申请号：US17052937
申请日：2019-04-30
发明人： Kyoko Takeda , Hiroshi Kadoma , Yusuke Takita , Tsunenori Suzuki , Satoshi Seo
IPC分类号： C07D307/79 , H10K50/15 , H10K85/60
CPC分类号： C07D307/79 , H10K85/636 , H10K85/6574 , H10K50/15
摘要： A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, a light-emitting device with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound having at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is bonded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzothienobenzofuran skeleton is provided.
-
38.发明授权公开(公告)号：US12043618B2
公开(公告)日：2024-07-23
申请号：US18096204
申请日：2023-01-12
发明人： Takuya Haruyama , Sachiko Kawakami , Naoaki Hashimoto , Yusuke Takita , Tsunenori Suzuki , Satoshi Seo
IPC分类号： C07D407/12 , H10K50/11 , H10K50/84 , H10K77/10 , H10K85/60 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/10
CPC分类号： C07D407/12 , H10K50/11 , H10K50/84 , H10K77/10 , H10K85/633 , H10K85/6574 , H10K50/15 , H10K50/16 , H10K50/171 , H10K2101/10
摘要： An organic compound has a benzonaphthofuran skeleton and is represented by General Formula (G1). In General Formula (G1), A represents a pyrene skeleton. In the case where the pyrene skeleton has a substituent, the substituent is a diarylamino group including two substituted or unsubstituted aryl groups each having 6 to 13 carbon atoms, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, an alkyl group having 1 to 7 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon group having 3 to 20 carbon atoms, or a substituted or unsubstituted polycyclic saturated hydrocarbon group having 7 to 10 carbon atoms. The two aryl groups of the diarylamino group may be the same or different. In X1 represented by General Formula (G1-1), one of R6 and R7 is bonded to N in General Formula (G1), and the other of R6 and R7 represents an alkyl group having 1 to 7 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon group having 3 to 20 carbon atoms, or a substituted or unsubstituted polycyclic saturated hydrocarbon group having 7 to 10 carbon atoms.
-
公开(公告)号：US11937498B2
公开(公告)日：2024-03-19
申请号：US17057830
申请日：2019-05-22
IPC分类号： H01L51/50 , C07C15/38 , H10K85/60 , H10K50/11 , H10K59/12 , H10K59/38 , H10K59/40 , H10K101/10
CPC分类号： H10K85/626 , C07C15/38 , H10K50/11 , H10K59/12 , H10K59/38 , H10K59/40 , H10K2101/10
摘要： A novel compound is provided. Alight-emitting device having high emission efficiency and a long lifetime is also provided. An organic compound is represented by General Formula (G2), in which a benzo[a]anthracene skeleton is bonded to the 2-position of an anthracene skeleton. In General Formula (G2), R1 to R3, R5 to R12, and R21 to R29 each independently represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms in a ring. Another embodiment of the present invention is a light-emitting device including the compound.
-
40.发明公开公开(公告)号：US20240008355A1
公开(公告)日：2024-01-04
申请号：US18214796
申请日：2023-06-27
发明人： Toshiki Sasaki , Hiromitsu Kido , Tsunenori Suzuki , Nobuharu Ohsawa , Hideko Yoshizumi , Satoshi Seo , Satoko Numata , Eriko Aoyama , Yui Yoshiyasu
CPC分类号： H10K85/342 , C07F15/0033 , C09K11/06 , H10K50/11
摘要： A light-emitting device includes a light-emitting layer containing a light-emitting substance and a first organic compound. The light-emitting substance is an organometallic complex containing a central metal and ligands. One of the ligands includes a skeleton formed by a ring A1 and a pyridine ring bonded to each other. The ring A1 represents an aromatic ring or a heteroaromatic ring. The pyridine ring includes an alkyl group having 1 to 6 carbon atoms and being substituted with deuterium. The first organic compound includes an electron-transport skeleton and first and second substituents that are bonded to the electron-transport skeleton. The electron-transport skeleton includes a heteroaromatic ring having two or more nitrogen atoms. The first substituent includes one or both of an aromatic ring and a heteroaromatic ring. The second substituent includes a skeleton having a hole-transport property. The lowest triplet excited state of the first organic compound is locally distributed in the first substituent.
-
-
-
-
-
-
-
-
-
搜索结果
189 条记录 (耗时 0.035 秒)
