公开(公告)号：US20190067586A1

公开(公告)日：2019-02-28

申请号：US16170480

申请日：2018-10-25

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kaori OGITA ,  Hiromi NOWATARI ,  Harue OSAKA ,  Takahiro USHIKUBO ,  Satoshi SEO ,  Takako TAKASU

IPC: H01L51/00 ,  H05B33/14 ,  C07F15/00 ,  C09K11/06

CPC classification number: H01L51/0052 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1092 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H05B33/14

Abstract: A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.

公开(公告)号：US20180076390A1

公开(公告)日：2018-03-15

申请号：US15819231

申请日：2017-11-21

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kaori OGITA ,  Hiromi NOWATARI ,  Harue OSAKA ,  Takahiro USHIKUBO ,  Satoshi SEO ,  Takako TAKASU

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H05B33/14

CPC classification number: H01L51/0052 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1092 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H05B33/14

Abstract: A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.

公开(公告)号：US20170162798A1

公开(公告)日：2017-06-08

申请号：US15436272

申请日：2017-02-17

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Harue OSAKA ,  Takako TAKASU ,  Hiroshi KADOMA ,  Yuko KAWATA ,  Satoko SHITAGAKI ,  Hiromi NOWATARI ,  Tsunenori SUZUKI ,  Nobuharu OHSAWA ,  Satoshi SEO

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088 ,  H01L2251/303 ,  H01L2251/5376 ,  H01L2251/552 ,  Y10S428/917

Abstract: A novel substance with which an increase in life and emission efficiency of a light-emitting element can be achieved is provided. A carbazole compound having a structure represented by General Formula (G1) is provided. Note that a substituent which makes the HOMO level and the LUMO level of a compound in which a bond of the substituent is substituted with hydrogen deep and shallow, respectively is used as each of substituents in General Formula (G1) (R1, R2, Ar3, and α3). Further, a substituent which makes the band gap (Bg) and the T1 level of a compound in which a bond of the substituent is substituted with hydrogen wide and high is used as each of the substituents in General Formula (G1) (R1, R2, Ar3, and α3).

公开(公告)号：US20150333270A1

公开(公告)日：2015-11-19

申请号：US14811525

申请日：2015-07-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiromi NOWATARI ,  Satoshi SEO

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  H01L27/3209 ,  H01L51/001 ,  H01L51/0032 ,  H01L51/0053 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/5004 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5278

Abstract: A light-emitting element is provided, in which n (n is a natural number of two or more) EL layers are provided between an anode and a cathode. Between the m-th (m is a natural number, 1≦m≦n−1) EL layer and the (m+1)-th EL layer, a first layer containing any of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a substance having high electron-transport properties in contact with the first layer, and a charge-generation layer containing a substance having high hole-transport properties and an acceptor substance in contact with the second layer are provided in this order over the anode. The charge-generation layer does not have a peak of an absorption spectrum in a visible light region.

Abstract translation: 提供了一种发光元件，其中n（n是两个或更多个的自然数）EL层设置在阳极和阴极之间。 在第m（m是自然数，1＆nlE; m＆nlE; n-1）EL层和第（m + 1）EL层之间，含有碱金属，碱土金属， 稀土金属，碱金属化合物，碱土金属化合物和稀土金属化合物，含有与第一层接触的电子传输性高的物质的第二层和含有物质的电荷产生层 具有高空穴传输性能和与第二层接触的受主物质依次设置在阳极上。 电荷产生层在可见光区域中不具有吸收光谱的峰值。

公开(公告)号：US20140374737A1

公开(公告)日：2014-12-25

申请号：US14483635

申请日：2014-09-11

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiromi NOWATARI ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Tetsuo TSUTSUI

IPC: H01L51/50

CPC classification number: H01L51/5068 ,  H01L51/002 ,  H01L51/0053 ,  H01L51/50 ,  H01L51/506 ,  H01L51/5092

Abstract: Light-emitting elements in which an increase of driving voltage can be suppressed are provided. Light-emitting devices whose power consumption is reduced by including such light-emitting elements are also provided. In a light-emitting element having an EL layer between an anode and a cathode, a first layer in which carriers can be produced is formed between the cathode and the EL layer and in contact with the cathode, a second layer which transfers electrons produced in the first layer is formed in contact with the first layer, and a third layer which injects the electrons received from the second layer into the EL layer is formed in contact with the second layer.

Abstract translation: 提供了可以抑制驱动电压增加的发光元件。 还提供了通过包括这种发光元件而降低功耗的发光装置。 在具有在阳极和阴极之间的EL层的发光元件中，在阴极和EL层之间形成能与阴极接触的第一层，其中可以产生载流子的第一层与第二层接触， 第一层形成为与第一层接触，并且将从第二层接收的电子注入到EL层中的第三层形成为与第二层接触。

公开(公告)号：US20140070198A1

公开(公告)日：2014-03-13

申请号：US14070917

申请日：2013-11-04

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiromi NOWATARI ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Takahiro USHIKUBO ,  Tetsuo TSUTSUI

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5012 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/504 ,  H01L51/5278

Abstract: An object is to provide a light-emitting element which exhibits light emission with high luminance and can be driven at low voltage. Another object is to provide a light-emitting device or an electronic device with reduced power consumption. Between an anode and a cathode, n (n is a natural number of two or more) EL layers are provided, where between a first EL layer and a second EL layer, a first layer containing any of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a material having a high electron-transporting property in contact with the first layer, and a region containing a material having a high hole-transporting property and an acceptor material in contact with the second layer are provided in this order from the anode side.

Abstract translation: 本发明的目的是提供一种具有高亮度发光并能够以低电压驱动的发光元件。 另一个目的是提供具有降低的功耗的发光装置或电子装置。 在阳极和阴极之间，提供n（n是两个或多个的自然数）EL层，其中在第一EL层和第二EL层之间，含有碱金属，碱土金属 ，稀土金属，碱金属化合物，碱土金属化合物和稀土金属化合物，含有与第一层接触的电子传输性高的材料的第二层和含有材料的区域 从阳极侧依次设置具有高空穴传输性和与第二层接触的受主材料。

公开(公告)号：US20130228766A1

公开(公告)日：2013-09-05

申请号：US13865368

申请日：2013-04-18

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hiromi NOWATARI ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Takahiro USHIKUBO ,  Tetsuo TSUTSUI

IPC: H01L51/50

CPC classification number: H01L51/5012 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/504 ,  H01L51/5278

Abstract: An object is to provide a light-emitting element which exhibits light emission with high luminance and can be driven at low voltage. Another object is to provide a light-emitting device or an electronic device with reduced power consumption. Between an anode and a cathode, n (n is a natural number of two or more) EL layers are provided, where between a first EL layer and a second EL layer, a first layer containing any of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a material having a high electron-transporting property in contact with the first layer, and a region containing a material having a high hole-transporting property and an acceptor material in contact with the second layer are provided in this order from the anode side.

Abstract translation: 本发明的目的是提供一种具有高亮度发光并能够以低电压驱动的发光元件。 另一个目的是提供具有降低的功耗的发光装置或电子装置。 在阳极和阴极之间，提供n（n是两个或多个的自然数）EL层，其中在第一EL层和第二EL层之间，含有碱金属，碱土金属 ，稀土金属，碱金属化合物，碱土金属化合物和稀土金属化合物，含有与第一层接触的电子传输性高的材料的第二层和含有材料的区域 从阳极侧依次设置具有高空穴传输性和与第二层接触的受主材料。