公开(公告)号：US09133173B2

公开(公告)日：2015-09-15

申请号：US13271406

申请日：2011-10-12

Applicant: Harue Osaka ,  Satoko Shitagaki ,  Hiromi Nowatari ,  Nobuharu Ohsawa

Inventor： Harue Osaka ,  Satoko Shitagaki ,  Hiromi Nowatari ,  Nobuharu Ohsawa

IPC: H01L51/52 ,  C07D409/14 ,  C07D409/10 ,  C07D405/14 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

CPC classification number: C07D405/14 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  C07D409/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1092 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5048 ,  H01L51/5278

Abstract: To provide a novel carbazole compound that has an excellent carrier-transport property and can be used for a transport layer or as a host material in a light-emitting element. Further, to provide an organic semiconductor material and a material for a light-emitting element using the carbazole compound. A carbazole compound in which the 4-position of a dibenzothiophene skeleton or a dibenzofuran skeleton is substituted with the 2- or 3-position of a carbazole skeleton directly or via an arylene group can be synthesized. The carbazole compound is found to have a suitable carrier-transport property, a good film quality, and be used suitably as a material of a light-emitting element and an organic semicondcutor material. Note that nitrogen of the carbazole skeleton is substituted with any of a phenyl group, a biphenyl group, and a naphthyl group.

Abstract translation: 提供具有优异载流子传输性能的新型咔唑化合物，可用于发光元件中的输送层或主体材料。 此外，提供使用咔唑化合物的有机半导体材料和发光元件的材料。 可以合成其中二苯并噻吩骨架或二苯并呋喃骨架的4-位直接或通过亚芳基被咔唑骨架的2-位或3-位取代的咔唑化合物。 发现咔唑化合物具有合适的载体输送性质，良好的膜质量，并且适合用作发光元件和有机半浸渍材料的材料。 注意，咔唑骨架的氮被苯基，联苯基和萘基中的任一个取代。

公开(公告)号：US08853680B2

公开(公告)日：2014-10-07

申请号：US13429560

申请日：2012-03-26

Applicant: Shunpei Yamazaki ,  Satoshi Seo ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Hideko Inoue ,  Hiroshi Kadoma ,  Harue Osaka

Inventor： Shunpei Yamazaki ,  Satoshi Seo ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Hideko Inoue ,  Hiroshi Kadoma ,  Harue Osaka

IPC: H01L29/08 ,  H01L21/00 ,  H01L51/50 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5346 ,  H01L2251/5376 ,  H01L2251/5384

Abstract: A light-emitting element having extremely high efficiency of approximately 25% is provided. The light-emitting element includes a light-emitting layer which contains a phosphorescent guest, an n-type host, and a p-type host, where the light-emitting layer is interposed between an n-type layer including the n-type host and a p-type layer including the p-type host, and where the n-type host and the p-type host are able to form an exciplex in the light-emitting layer. The light-emitting element exhibits an extremely high emission efficiency (power efficiency of 74.3 lm/W, external quantum efficiency of 24.5%, energy efficiency of 19.3%) at a low driving voltage (2.6 V) at which luminance of 1200 cd/m2 is attainable.

Abstract translation: 提供了具有极高效率约25％的发光元件。 发光元件包括含有磷光客体，n型主体和p型主体的发光层，其中发光层插入在包括n型主体的n型层之间 以及包含p型主体的p型层，其中n型主体和p型主体能够在发光层中形成激光复合物。 在1200cd / m2的亮度的低驱动电压（2.6V）下，发光元件显示出极高的发光效率（74.3lm / W的功率效率，24.5％的外部量子效率，能量效率为19.3％） 是可以实现的

公开(公告)号：US08736157B2

公开(公告)日：2014-05-27

申请号：US13433508

申请日：2012-03-29

Applicant: Satoshi Seo ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Hideko Inoue ,  Hiroshi Kadoma ,  Harue Osaka ,  Shunpei Yamazaki

Inventor： Satoshi Seo ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Hideko Inoue ,  Hiroshi Kadoma ,  Harue Osaka ,  Shunpei Yamazaki

IPC: H05B33/14

CPC classification number: H01L51/5028 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024 ,  H05B33/14

Abstract: To provide a light-emitting element with high emission efficiency or long lifetime, in which the use amount of a phosphorescent compound is small. To provide a light-emitting element including a light-emitting layer between a pair of electrodes, wherein the light-emitting layer includes a phosphorescent compound, a first organic compound, and a second organic compound, and the combination of the first organic compound and the second organic compound forms an exciplex. The light-emitting element transfers energy by utilizing the overlap between the emission spectrum of the exciplex and the absorption spectrum of the phosphorescent compound and thus has high energy transfer efficiency, even when the concentration of the phosphorescent compound is low.

Abstract translation: 为了提供磷光化合物的使用量小的发光效率高，寿命长的发光元件。 为了提供一种在一对电极之间包括发光层的发光元件，其中发光层包括磷光化合物，第一有机化合物和第二有机化合物，以及第一有机化合物和 第二有机化合物形成激元复合物。 发光元件利用激光复合物的发射光谱和磷光化合物的吸收光谱之间的重叠而传递能量，因此即使当磷光化合物的浓度低时，也具有高的能量转移效率。

公开(公告)号：US08704215B2

公开(公告)日：2014-04-22

申请号：US13417219

申请日：2012-03-10

Applicant: Masakazu Egawa ,  Harue Osaka ,  Sachiko Kawakami ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Ryoji Nomura

Inventor： Masakazu Egawa ,  Harue Osaka ,  Sachiko Kawakami ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Ryoji Nomura

IPC: H01L51/54 ,  C07D211/54 ,  C07D209/86 ,  C07D403/12

CPC classification number: C07C211/54 ,  C07D209/86 ,  C07D209/88 ,  C07D403/12 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/5012 ,  H01L2251/308

Abstract: A novel stilbene derivative is provided with motivation of providing a blue emissive material showing excellent color purity. The use of the stilbene derivative of the present invention allows the fabrication of a blue-emissive light-emitting element with excellent color purity. The invention also includes an electronic device equipped with a display portion in which the stilbene derivative is employed. The stilbene derivative of the present invention is represented by formula (1), in which Ar1 and Ar2 may form a 5-membered ring by being directly bonded to each other. In formula (1), A11 represents any one of substituents represented by general formulas (1-1) to (1-3). The variables shown in formula (1) and (1-1) to (1-3) are as defined in the specification.

Abstract translation: 提供了一种新颖的1,2-二苯乙烯衍生物，具有提供显示出优异色纯度的蓝色发光材料的动机。 使用本发明的1,2-二苯乙烯衍生物可以制造具有优异色纯度的蓝色发光发光元件。 本发明还包括配备有使用二苯乙烯衍生物的显示部分的电子装置。 本发明的1,2-二苯乙烯衍生物由式（1）表示，其中Ar 1和Ar 2可以通过直接键合形成5元环。 式（1）中，A11表示由通式（1-1）〜（1-3）表示的取代基中的任意一个。 式（1）和（1-1）至（1-3）所示的变量如本说明书中所定义。

公开(公告)号：US20130204003A1

公开(公告)日：2013-08-08

申请号：US13570367

申请日：2012-08-09

Applicant: Harue Osaka ,  Nobuharu Ohsawa ,  Masato Suzuki

Inventor： Harue Osaka ,  Nobuharu Ohsawa ,  Masato Suzuki

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  C07D401/14 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

Abstract: A novel carbazole compound is provided which can be used as a host material for a light-emitting substance (substance emitting fluorescence or substance emitting phosphorescence). A light-emitting element with high emission efficiency, and a light-emitting device, an electronic device, or a lighting device which has low power consumption are provided. A carbazole compound represented by General Formula (G1) below. (In the formula, Ar1 represents any of hydrogen, a substituted or unsubstituted phenyl group, and a carbazolyl group; R1 to R3 each independently represent any of hydrogen, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group; a represents any of a substituted or unsubstituted phenylene group and a substituted or unsubstituted biphenylene group; and n is any of 0, 1, and 2.)

Abstract translation: 提供了可用作发光物质（发射荧光的物质或发射磷光的物质）的主体材料的新型咔唑化合物。 提供具有高发光效率的发光元件，以及具有低功耗的发光装置，电子装置或照明装置。 由通式（G1）表示的咔唑化合物。 （式中，Ar 1表示氢，取代或未取代的苯基，咔唑基中的任一个，R 1〜R 3各自独立地表示氢，取代或未取代的苯基，取代或未取代的联苯基， 任何取代或未取代的亚苯基和取代或未取代的亚联苯基; n为0，1和2中的任何一个）

公开(公告)号：US08475935B2

公开(公告)日：2013-07-02

申请号：US12336234

申请日：2008-12-16

Applicant: Harue Osaka ,  Sachiko Kawakami ,  Nobuharu Ohsawa ,  Satoshi Seo

Inventor： Harue Osaka ,  Sachiko Kawakami ,  Nobuharu Ohsawa ,  Satoshi Seo

IPC: H01L51/54

Abstract: Novel anthracene derivatives, novel materials capable of blue light emission with high color purity, and a light-emitting element, a light-emitting device, and an electronic device using any of the novel materials. The anthracene derivative represented by general formula (1) is provided. With the anthracene derivative, a light-emitting element with high emission efficiency can be provided. With the anthracene derivative, a light-emitting element emitting blue light with high color purity can be provided. In the formula, A1 represents a substituted or unsubstituted phenyl group, B1 represents any of an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted phenyl group, α represents any of a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyl-4,4′-diyl group, and R1 to R9 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group.

公开(公告)号：US20130075704A1

公开(公告)日：2013-03-28

申请号：US13596725

申请日：2012-08-28

Applicant: Takako Takasu ,  Harue Osaka ,  Satoko Shitagaki

Inventor： Takako Takasu ,  Harue Osaka ,  Satoko Shitagaki

IPC: C07D241/38 ,  C07C25/22 ,  C07F5/02 ,  H01L51/50

CPC classification number: C07D241/38 ,  C07C25/22 ,  C07F5/025 ,  C09K11/06 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5072 ,  H01L2251/308

Abstract: Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting material is dispersed, i.e., a heterocyclic compound represented by a general formula (G1). Any one of R1 to R10 represents a substituent represented by a general formula (G1-1); another one of R1 to R10 represents hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituent represented by a general formula (G1-2); and the others separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group.

Abstract translation: 提供了可以用作发光元件的发光层作为分散有发光材料的主体材料即通式（G1）所示的杂环化合物的新型杂环化合物。 R 1〜R 10中的任一个表示由通式（G1-1）表示的取代基。 R 1至R 10中的另一个表示氢，具有1至6个碳原子的烷基，取代或未取代的苯基，取代或未取代的联苯基或由通式（G1-2）表示的取代基; 其余分别表示氢，碳原子数1〜6的烷基，取代或未取代的苯基，取代或未取代的联苯基。

公开(公告)号：US20120223298A1

公开(公告)日：2012-09-06

申请号：US13474104

申请日：2012-05-17

Applicant: Harue Osaka ,  Takahiro Ushikubo ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Tsunenori Suzuki

Inventor： Harue Osaka ,  Takahiro Ushikubo ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Tsunenori Suzuki

IPC: H01L51/54 ,  C07C211/54

CPC classification number: H01L51/006 ,  C07C211/54 ,  C07C2601/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L27/3209 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5048 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5278 ,  H05B33/14 ,  Y10S428/917

Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; α represents a substituted or unsubstituted naphthyl group; β represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.

Abstract translation: 提供由下述通式（G1）表示的三芳基胺衍生物。 注意，在该式中，Ar表示取代或未取代的苯基或取代或未取代的联苯基; α表示取代或未取代的萘基; ＆bgr 表示氢或取代或未取代的萘基; n和m各自独立地表示1或2; R 1〜R 8各自独立地表示氢，碳原子数1〜6的烷基或苯基中的任一个。

公开(公告)号：US20120157694A1

公开(公告)日：2012-06-21

申请号：US13328541

申请日：2011-12-16

Applicant: Harue Osaka ,  Nobuharu Ohsawa

Inventor： Harue Osaka ,  Nobuharu Ohsawa

IPC: C07D333/76 ,  C07F5/02 ,  C07D307/91

CPC classification number: C07D307/91 ,  C07D333/76 ,  C07F5/025

Abstract: Provided is a novel anthracene compound represented by a general formula (G1). In the formula, Q1 represents an oxygen atom or a sulfur atom, R1 to R7 and R11 to R14 separately represent any one of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, α1 to α3 separately represent a substituted or unsubstituted phenylene group. Ar1 represents a substituted or unsubstituted condensed aromatic hydrocarbon having 6 to 12 carbon atoms forming a ring. Ar2 represents any one of a substituted or unsubstituted aryl group having 6 to 12 carbon atoms forming a ring, a substituted or unsubstituted dibenzothiophen-2-yl group, and a substituted or unsubstituted dibenzofuran-2-yl group. Further, j and k are separately 0 or 1.

Abstract translation: 提供由通式（G1）表示的新型蒽化合物。 在该式中，Q1表示氧原子或硫原子，R1〜R7和R11〜R14分别表示氢原子，碳原子数1〜6的烷基，取代或未取代的苯基，取代的 或未取代的联苯基。 此外，α1〜α3分别表示取代或未取代的亚苯基。 Ar 1表示具有6〜12个碳原子的取代或未取代的稠合芳香族烃，形成环。 Ar 2表示取代或未取代的形成环的碳原子数为6〜12的芳基，取代或未取代的二苯并噻吩-2-基和取代或未取代的二苯并呋喃-2-基的任意一种。 此外，j和k分别为0或1。

公开(公告)号：US07993761B2

公开(公告)日：2011-08-09

申请号：US12326342

申请日：2008-12-02

Applicant: Harue Osaka ,  Nobuharu Ohsawa ,  Sachiko Kawakami

Inventor： Harue Osaka ,  Nobuharu Ohsawa ,  Sachiko Kawakami

IPC: H01L51/54 ,  H01J1/62 ,  C07D241/36

CPC classification number: C07D241/42 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1044 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  Y10S428/917

Abstract: The present invention provides a quinoxaline derivative represented by a general formula (G1). In the formula, α1 and α2 each independently represent an arylene group which has 13 or less carbon atoms forming a ring; Ar represents an aryl group which has 13 or less carbon atoms forming a ring; R1 and R6 each independently represent any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group which has 13 or less carbon atoms forming a ring; and R2 to R5 and R7 to R10 each independently represent any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group.

Abstract translation: 本发明提供由通式（G1）表示的喹喔啉衍生物。 式中，α1和α2各自独立地表示碳原子数为13以下的亚芳基，形成环。 Ar表示碳原子数为13以下的芳基，形成环。 R 1和R 6各自独立地表示氢原子，碳原子数1〜6的烷基或碳原子数为13以下的芳基中的任一个， R 2〜R 5，R 7〜R 10各自独立地表示氢原子，碳原子数1〜6的烷基，取代或未取代的苯基，取代或未取代的联苯基。