公开(公告)号：US20140339526A1

公开(公告)日：2014-11-20

申请号：US14278775

申请日：2014-05-15

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hideko INOUE ,  Tomoya YAMAGUCHI ,  Hiromi SEO ,  Tatsuyoshi TAKAHASHI ,  Satoshi SEO

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5016

Abstract: A light-emitting element including a phosphorescent organometallic complex is provided. The organometallic complex emits phosphorescence in the yellow green to orange wavelength range and has high emission efficiency and high reliability. Thus, the organometallic complex that exhibits phosphorescence is provided. The organometallic complex, in which nitrogen at the 3-position of a pyrimidine ring is coordinated to a metal, a carbazole skeleton is bonded to the 4-position of the pyrimidine ring, and the carbazole skeleton is bonded to the metal, is used as an emission center. The metal is preferably a Group 9 element or a Group 10 element, more preferably iridium.

Abstract translation: 提供了包含磷光有机金属络合物的发光元件。 有机金属络合物在黄绿色至橙色波长范围内发射磷光体，发射效率高，可靠性高。 因此，提供了表现出磷光的有机金属络合物。 将嘧啶环3位上的氮与金属配位的有机金属配合物，咔唑骨架与嘧啶环的4位键合，咔唑骨架与金属键合，作为 排放中心。 金属优选为9族元素或10族元素，更优选为铱。

公开(公告)号：US20140339524A1

公开(公告)日：2014-11-20

申请号：US14277450

申请日：2014-05-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Satoko SHITAGAKI ,  Takahiro ISHISONE ,  Satoshi SEO ,  Takeyoshi WATABE

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5028 ,  H01L51/0052 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5048 ,  H01L51/5072

Abstract: Provided is a light-emitting element which has an anode, a light-emitting layer over the anode, an electron-transport layer over and in contact with the light-emitting layer, an electron-injection layer over and in contact with the electron-transport layer, and a cathode over and in contact with the electron-injection layer. The light-emitting layer has an electron-transport property, and the electron-transport layer includes an anthracene derivative. The light-emitting layer further includes a phosphorescent substance. This device structure allows the formation of a highly efficient blue-emissive light-emitting element even though the phosphorescent substance has higher triplet energy than the anthracene derivative which directly contacts with the light-emitting layer.

Abstract translation: 提供一种发光元件，其具有阳极，阳极上的发光层，与发光层接触的电子传输层，与电子发射层接触的电子注入层， 传输层和与电子注入层接触的阴极。 发光层具有电子传输性，电子传输层包含蒽衍生物。 发光层还包括磷光物质。 即使磷光物质具有比与发光层直接接触的蒽衍生物更高的三线态能量，也可以形成高效率的蓝色发光发光元件。

公开(公告)号：US20140291643A1

公开(公告)日：2014-10-02

申请号：US14223548

申请日：2014-03-24

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kaori Ogita ,  Satoshi SEO ,  Hiromi SEO ,  Tatsuyoshi TAKAHASHI

IPC: H01L51/00

CPC classification number: H01L51/0074 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5016

Abstract: A novel organic compound that forms an exciplex emitting light with high efficiency is provided. An organic compound with a triarylamine skeleton in which the three aryl groups of the triarylamine skeleton are a p-biphenyl group, a fluoren-2-yl group, and a phenyl group to which a dibenzofuranyl group or a dibenzothiophenyl group is bonded. By the use of the organic compound and an organic compound with an electron-transport property, an exciplex that emits light with extremely high efficiency can be formed.

Abstract translation: 提供了形成高效率发光的激光复合物的新型有机化合物。 具有三芳基胺骨架的有机化合物，其中三芳基胺骨架的三个芳基是对联苯基，芴-2-基和与二苯并呋喃基或二苯并噻吩基结合的苯基。 通过使用有机化合物和具有电子传输性质的有机化合物，可以形成以极高效率发光的激光复合体。

公开(公告)号：US20140256934A1

公开(公告)日：2014-09-11

申请号：US14286219

申请日：2014-05-23

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideko INOUE ,  Tomoka NAKAGAWA ,  Satoshi SEO

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  C07F15/0033

Abstract: Provided is a novel organometallic complex which can be synthesized easily and emits phosphorescence, or a compound which emits red phosphorescence. The inventors focused on easy synthesis of an m-aminophenyl pyrazine derivative represented by the following general formula (G0), synthesized an organometallic complex having a structure in which the derivative is coordinated to a Group 9 or Group 10 metal ion, and further synthesized a useful substance which emits red phosphorescence.

Abstract translation: 提供了可以容易地合成并发射磷光的新颖的有机金属配合物，或发出红色磷光的化合物。 本发明人着重于简单合成由以下通式（G0）表示的间氨基苯基吡嗪衍生物，合成具有其衍生物与第9族或第10族金属离子配位的结构的有机金属络合物，并进一步合成 发出红色磷光的有用物质。

公开(公告)号：US20140081031A1

公开(公告)日：2014-03-20

申请号：US14085498

申请日：2013-11-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko KAWAKAMI ,  Tsunenori SUZUKI ,  Nobuharu OHSAWA ,  Satoko SHITAGAKI ,  Satoshi SEO

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1011 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/5012

Abstract: Novel anthracene derivatives are provided. Further, a light-emitting element, a light-emitting device, and an electronic appliance each using the novel anthracene derivative are provided. Anthracene derivatives represented by general formulae (G11) and (G21) are provided. The anthracene derivatives represented by the general formulae (G11) and (G21) each emit blue light with high color purity and have a carrier-transporting property. Therefore, each of the anthracene derivatives represented by the general formulae (G11) and (G21) is suitable for use in a light-emitting element, a light-emitting device, and an electronic appliance.

Abstract translation: 提供了新型蒽衍生物。 此外，提供了使用新型蒽衍生物的发光元件，发光装置和电子设备。 提供由通式（G11）和（G21）表示的蒽衍生物。 由通式（G11）和（G21）表示的蒽衍生物各自发出高色纯度的蓝色光，并具有载流子传输性。 因此，由通式（G11）和（G21）表示的各种蒽衍生物适合用于发光元件，发光装置和电子设备中。

公开(公告)号：US20140061613A1

公开(公告)日：2014-03-06

申请号：US13975860

申请日：2013-08-26

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Satoshi SEO ,  Hideaki KUWABARA

IPC: H01L27/32

CPC classification number: H01L27/3206 ,  H01L27/322 ,  H01L27/3246 ,  H01L27/3276 ,  H01L51/5209 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5228 ,  H01L51/5234 ,  H01L51/5237 ,  H01L51/524 ,  H01L51/5253 ,  H01L51/5271 ,  H01L2251/5315

Abstract: A light-emitting device structured so as to increase the amount of light taken out in a certain direction is provided as well as a method of manufacturing this light emitting device. As a result of etching treatment, an upper edge portion of an insulator (19) is curved to have a radius of curvature, a slope is formed along the curved face while partially exposing layers (18c and 18d) of a first electrode, and a layer (18b) of the first electrode is exposed in a region that serves as a light emitting region. Light emitted from an organic compound layer (20) is reflected by the slope of the first electrode (layers 18c and 18d) to increase the total amount of light taken out in the direction indicated by the arrow in FIG. 1A.

Abstract translation: 提供了一种构造为增加沿一定方向取出的光量的发光器件以及制造该发光器件的方法。 作为蚀刻处理的结果，绝缘体（19）的上边缘部分被弯曲成具有曲率半径，沿着弯曲面形成斜面，同时部分地暴露第一电极的层（18c和18d），并且 第一电极的层（18b）暴露在用作发光区域的区域中。 从有机化合物层（20）发射的光被第一电极（层18c和18d）的斜率反射，以增加沿图1中箭头所示方向取出的光的总量。 1A。

公开(公告)号：US20130320321A1

公开(公告)日：2013-12-05

申请号：US13964161

申请日：2013-08-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yuji IWAKI ,  Satoshi SEO ,  Takahiro KAWAKAMI ,  Hisao IKEDA ,  Junichiro SAKATA ,  Tomoya AOYAMA

IPC: H01L51/00

CPC classification number: H01L51/0052 ,  H01L51/0071 ,  H01L51/0081 ,  H01L51/5052 ,  H01L51/5088 ,  H05B33/22 ,  Y10S428/917

Abstract: A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

Abstract translation: 发光器件包括一对电极和设置在该对电极之间的混合层。 混合层含有不含氮原子的有机化合物即不具有芳胺骨架的有机化合物和金属氧化物。 作为有机化合物，优选使用具有蒽骨架的芳香族烃。 作为这样的芳烃，列举了t-BuDNA，DPAnth，DPPA，DNA，DMNA，t-BuDBA等。 作为金属氧化物，优选使用氧化钼，氧化钒，氧化钌，氧化铼等。 此外，当测量吸收光谱时，混合层优选显示1个或更少的1个吸光度，或者在450-650nm的光谱中不显示不同的吸收峰。

公开(公告)号：US20130253206A1

公开(公告)日：2013-09-26

申请号：US13893376

申请日：2013-05-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD

Inventor： Harue OSAKA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Satoshi SEO

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  H01L51/0002 ,  H01L51/0021 ,  H01L51/0052 ,  H01L51/5012 ,  H05B33/14

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, a 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.

Abstract translation: 新型蒽衍生物，能够具有高纯度的蓝色发光的新型材料，以及发光元件，发光装置和使用任何新颖材料的电子器件。 提供由通式（1）表示的蒽衍生物。 通过蒽衍生物，可以提供发光效率高的发光元件。 通过蒽衍生物，可以提供发出高色纯度的蓝光的发光元件。 式中，A1表示取代或未取代的苯基，B1表示碳原子数1〜4的烷基或取代或未取代的苯基中的任一个，a表示取代或未取代的亚苯基或取代或未取代的联苯 -4,4'-二基，R 1〜R 9分别表示氢，碳原子数1〜4的烷基或取代或未取代的苯基。

公开(公告)号：US20130240933A1

公开(公告)日：2013-09-19

申请号：US13799872

申请日：2013-03-13

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei Yamazaki ,  Satoshi SEO ,  Yoshiharu HIRAKATA ,  Takahiro ISHISONE

IPC: H01L33/50

CPC classification number: H01L51/504 ,  B60Q3/10 ,  B60Q3/208 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/185 ,  F21S6/002 ,  F21S8/04 ,  F21Y2115/10 ,  H01L33/502 ,  H01L33/504 ,  H01L51/5016 ,  H05B33/14 ,  H05B33/145 ,  H05B33/20

Abstract: An object is to provide a light-emitting element which uses a plurality of kinds of light-emitting dopants and has high emission efficiency. In one embodiment of the present invention, a light-emitting device, a light-emitting module, a light-emitting display device, an electronic device, and a lighting device each having reduced power consumption by using the above light-emitting element are provided. Attention is paid to Förster mechanism, which is one of mechanisms of intermolecular energy transfer. Efficient energy transfer by Förster mechanism is achieved by making an emission wavelength of a molecule which donates energy overlap with a local maximum peak on the longest wavelength side of a graph obtained by multiplying an absorption spectrum of a molecule which receives energy by a wavelength raised to the fourth power.

公开(公告)号：US20130119428A1

公开(公告)日：2013-05-16

申请号：US13713101

申请日：2012-12-13

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO. LTD.

Inventor： Junichiro SAKATA ,  Hisao IKEDA ,  Tomoya AOYAMA ,  Takahiro KAWAKAMI ,  Yuji IWAKI ,  Satoshi SEO

IPC: H01L33/42

CPC classification number: H01L33/42 ,  H01L51/5088 ,  H01L51/5262 ,  H01L2251/558

Abstract: The present invention provides a light-emitting element, a light-emitting device and an electronic device in which an optical path length through which generated light goes can be changed easily. The present invention provides a light-emitting element including a light-emitting layer between a first electrode and a second electrode, and a mixed layer in contact with the first electrode; in which the light-emitting layer includes a light-emitting substance; the mixed layer includes a hole transporting substance and a metal oxide showing an electron accepting property to the hole transporting substance, and has a thickness of 120 to 180 nm, and when a voltage is applied between the first electrode and the second electrode such that a potential of the first electrode is higher than that of the second electrode, the light-emitting substance emits light.

Abstract translation: 本发明提供一种发光元件，发光器件和电子器件，其中可以容易地改变发光产生的光路长度。 本发明提供一种发光元件，其包括在第一电极和第二电极之间的发光层和与第一电极接触的混合层; 其中所述发光层包括发光物质; 混合层包括空穴传输物质和表现出对空穴传输物质具有电子接受性的金属氧化物，并且具有120至180nm的厚度，并且当在第一电极和第二电极之间施加电压使得 第一电极的电位高于第二电极的电位，发光物质发光。