公开(公告)号：US20140302230A1

公开(公告)日：2014-10-09

申请号：US14268611

申请日：2014-05-02

Applicant: Konica Minolta, Inc.

Inventor： Tatsuo TANAKA ,  Hiroshi KITA ,  Rie KATAKURA ,  Hideo TAKA

IPC: H01L51/56

CPC classification number: H01L51/56 ,  C09K11/06 ,  C09K2211/1425 ,  C09K2211/1433 ,  H01L27/3244 ,  H01L51/0025 ,  H01L51/0037 ,  H01L51/0039 ,  H01L51/0043 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0071 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/0086 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/5012 ,  H01L2251/308

Abstract: In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element.

Abstract translation: 在本发明中，提供了具有高的外部取出量子效率的有机电致发光元件材料，其适用于制造具有长发光寿命的元件，并且还提供了具有该材料的有机电致发光元件， 制造有机电致发光元件，以及显示器以及配备有机电致发光元件的照明装置。

公开(公告)号：US20230020129A1

公开(公告)日：2023-01-19

申请号：US17756493

申请日：2020-11-20

Applicant: Konica Minolta, Inc.

Inventor： Tomoo IZUMI ,  Hideo TAKA ,  Hiroyuki ISOBE ,  Sota SATO ,  Koki IKEMOTO

IPC: H01L51/50 ,  H01L51/56

Abstract: An organic electroluminescent element has at least one pair of electrodes including an anode and a cathode and one or more organic functional layers between the anode and the cathode that are in a pair. The organic electroluminescent element includes an organic functional layer that exists as a continuous phase over an entire display area and includes an at least one light emitting compound with a concentration gradient in an in-plane direction and in a thickness direction of the organic functional layer.

公开(公告)号：US20200335727A1

公开(公告)日：2020-10-22

申请号：US16761734

申请日：2018-11-09

Applicant: Konica Minolta, Inc.

Inventor： Yukihiro MAKISHIMA ,  Hideo TAKA ,  Hiroshi KITA ,  Yoshiyuki SUZURI

IPC: H01L51/52 ,  B01J20/22 ,  H05B33/04

Abstract: The present invention addresses the problem of providing a desiccant that can be used for passivation of an electronic device such as an organic electroluminescence element against moisture permeation, as well as an organic thin film including the desiccant, an organic layered film in which the organic thin film is layered, and an electronic device that is provided therewith. This desiccant is characterized by including a compound that emits a hydrophobic substance by absorbing water. This organic thin film is characterized by including this desiccant.

公开(公告)号：US20160268516A1

公开(公告)日：2016-09-15

申请号：US14911978

申请日：2014-08-14

Applicant: KONICA MINOLTA, INC.

Inventor： Tatsuo TANAKA ,  Hideo TAKA ,  Hiroshi KITA

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  C07D401/14 ,  C07D405/04 ,  C07D405/14 ,  C07D409/14 ,  C07D471/04 ,  C07D471/06 ,  C07D471/14 ,  C07D487/06 ,  C07D487/14 ,  C07D495/04 ,  C07D498/04 ,  C07D498/06 ,  C07D519/00 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0065 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5012

Abstract: An objective of the present invention is to provide: an organic electroluminescent element which has high efficiency and a long service life; and an electronic device and a light emitting device, each of which is provided with the organic electroluminescent element. Another objective of the present invention is to provide a light emitting material which has high efficiency and a long service life. An organic electroluminescent element according to the present invention comprises at least one organic layer that is interposed between a positive electrode and a negative electrode. This organic electroluminescent element is characterized in that: at least one organic layer contains a fluorescent compound and a host compound; the internal quantum efficiency by electrical excitation of the fluorescent compound is 50% or more; the half-value width of the emission band of an emission peak wavelength in the emission spectrum of the fluorescent compound at a room temperature is 100 nm or less; and the host compound has a structure represented by general formula (I).

Abstract translation: 本发明的目的是提供一种效率高，使用寿命长的有机电致发光元件。 以及设置有有机电致发光元件的电子器件和发光器件。 本发明的另一个目的是提供一种效率高，使用寿命长的发光材料。 根据本发明的有机电致发光元件包括介于正极和负极之间的至少一个有机层。 该有机电致发光元件的特征在于：至少一个有机层含有荧光化合物和主体化合物; 荧光化合物的电激发的内部量子效率为50％以上; 荧光化合物在室温下的发光光谱中的发光峰值波长的发光带的半值宽度为100nm以下; 并且所述主体化合物具有由通式（I）表示的结构。

公开(公告)号：US20160197282A1

公开(公告)日：2016-07-07

申请号：US14911941

申请日：2014-08-14

Applicant: KONICA MINOLTA, INC.

Inventor： Shuho TANIMOTO ,  Dai IKEMIZU ,  Tatsuo TANAKA ,  Hideo TAKA ,  Hiroshi KITA

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

CPC classification number: H01L51/0058 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/1096 ,  H01L51/0054 ,  H01L51/0057 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5028

Abstract: An organic electroluminescent element contains at least one organic layer that is interposed between an anode and a cathode. The organic layer includes a light emitting layer. The light emitting layer contains a light emitting compound that has a stokes shift within the range of 0-0.24 eV and a lowest excited singlet energy (S1) of 2.64 eV or more.

Abstract translation: 有机电致发光元件含有介于阳极和阴极之间的至少一个有机层。 有机层包括发光层。 发光层含有在0-0.24eV范围内的斯托克偏移和2.64eV以上的最低激发单重态能（S1）的发光性化合物。

公开(公告)号：US20140302636A1

公开(公告)日：2014-10-09

申请号：US14311487

申请日：2014-06-23

Applicant: Konica Minolta Inc.

Inventor： Hideo TAKA ,  Hiroshi KITA

IPC: H01L51/00

CPC classification number: H01L51/0007 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1092 ,  C09K2211/1096 ,  C09K2211/182 ,  C09K2211/185 ,  H01L51/0042 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/0089 ,  H01L51/0095 ,  H01L51/5012 ,  H01L51/5016 ,  H05B33/14

Abstract: A method to produce a multi-branched structure compound encapsulating an iridium phosphorescent compound including the following sequential steps: (i) dissolving a multi-branched structure compound and an iridium phosphorescent compound in a first solvent; (ii) adding a second solvent to encapsulate the iridium phosphorescent compound into the multi-branched structure compound; and (iii) separating and purifying the multi-branched structure compound encapsulating the iridium phosphorescent compound.

Abstract translation: 一种制备包含铱磷光化合物的多支链结构化合物的方法，包括以下顺序步骤：（i）将多支化结构化合物和铱磷光化合物溶解在第一溶剂中; （ii）添加第二溶剂以将铱磷光化合物包封在多支化结构化合物中; 和（iii）分离和纯化包封铱磷光化合物的多支链结构化合物。

公开(公告)号：US20220285623A1

公开(公告)日：2022-09-08

申请号：US17650445

申请日：2022-02-09

Applicant: Konica Minolta, Inc.

Inventor： Hideo TAKA ,  Tomoo IZUMI ,  Kazuhiro OIKAWA

IPC: H01L51/00 ,  B41M5/50 ,  B41M3/00 ,  H01L51/10 ,  H01L51/44 ,  H01L51/52

Abstract: Provided is an inkjet recording medium for an organic semiconductor device including a base material, an electrode, and ink receiving layer in this order, wherein the ink receiving layer has an ink penetration prevention area on an electrode side that prevents ink which permeates from a surface far from the electrode toward the electrode from reaching the electrode.

公开(公告)号：US20200266381A1

公开(公告)日：2020-08-20

申请号：US16761739

申请日：2018-11-09

Applicant: Konica Minolta, Inc.

Inventor： Yukihiro MAKISHIMA ,  Hideo TAKA ,  Hiroshi KITA ,  Yoshiyuki SUZURI ,  Lina YOSHIDA

IPC: H01L51/52 ,  H05B33/10 ,  H01L29/786 ,  H01L51/50 ,  H01L51/56 ,  H05B33/04

Abstract: The present invention addresses the problem of providing a manufacturing method for an electronic device that is provided with an organic thin film functioning as a sealing film against moisture permeation in an electronic device such as an organic electroluminescence element. This manufacturing method for an electronic device is a manufacturing method for an electronic device that has at least an organic functional layer, an elution prevention film, and a sealing film in this order, said manufacturing method being characterized by having: a step in which, after coating is performed with a silicone resin, the result is irradiated with vacuum ultraviolet rays to form the elution prevention film; and a step in which, after the elution prevention film is coated with a liquid mixture of a metal alkoxide and a fluoroalcohol, the result is irradiated with vacuum ultraviolet rays to form the ultraviolet rays to form the sealing film.

公开(公告)号：US20160372683A1

公开(公告)日：2016-12-22

申请号：US15122282

申请日：2015-02-26

Applicant: KONICA MINOLTA, INC.

Inventor： Shuho TANIMOTO ,  Dai IKEMIZU ,  Tomohiro OSHIYAMA ,  Hiroshi KITA ,  Hideo TAKA

IPC: H01L51/00 ,  C09K11/06

CPC classification number: H01L51/0072 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L2051/0063 ,  H01L2251/552

Abstract: An organic electroluminescent element includes an organic layer including a compound having an electron donor moiety and an electron acceptor moiety in a single molecule. The compound satisfies the following expression: (ΔEH+ΔEL)≧2.0 eV. ΔEH represents a difference in energy level between a highest energy occupied molecular orbital spreading over the electron donor moiety and a highest energy occupied molecular orbital spreading over the electron acceptor moiety, and ΔEL represents a difference in energy level between a lowest energy unoccupied molecular orbital spreading over the electron donor moiety and a lowest energy unoccupied molecular orbital spreading over the electron acceptor moiety, determined by molecular orbital calculation. A highest energy occupied molecular orbital of the compound has an energy level of −5.2 eV or more. A lowest energy unoccupied molecular orbital of the compound has an energy level of −1.2 eV or less.

Abstract translation: 有机电致发光元件包括在单分子中包含具有电子供体部分和电子受体部分的化合物的有机层。 该化合物满足以下表达式：（ΔEH+ΔEL）≥2.0eV。 ΔEH表示在电子供体部分上的最高能占据的分子轨道扩散与电子受体部分上的最高能量占据分子轨道扩散之间的能级差异，ΔEL表示最低能量未占据分子轨道扩展之间的能级差 在电子受体部分上的最低能量未占据的分子轨道扩散，通过分子轨道计算确定。 化合物的最高能量占据分子轨道的能级为-5.2eV以上。 化合物的最低能量未占分子轨道的能级为-1.2eV或更小。

公开(公告)号：US20160056393A1

公开(公告)日：2016-02-25

申请号：US14782110

申请日：2014-04-01

Applicant: KONICA MINOLTA, INC.

Inventor： Kazuhiro OIKAWA ,  Hideo TAKA ,  Dai IKEMIZU

IPC: H01L51/00 ,  C09K11/06

CPC classification number: H01L51/0072 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L27/32 ,  H01L51/0003 ,  H01L51/0004 ,  H01L51/0005 ,  H01L51/0064 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5028

Abstract: One objective of the present invention is to provide a coating liquid for forming a light emitting layer, which improves quantum efficiency. Another objective of the present invention is to provide: an organic electroluminescent element which is formed by means of this coating liquid for forming a light emitting layer; a lighting device, a display device and a white electroluminescent device, each of which is provided with this organic electroluminescent element; and a method for manufacturing an organic electroluminescent element. A coating liquid for forming a light emitting layer according to the present invention is used for the purpose of forming a light emitting layer, which is one of one or more organic layers held between a positive electrode and a negative electrode, and this coating liquid for forming a light emitting layer is characterized by containing a thermally activated delayed fluorescent compound.

Abstract translation: 本发明的一个目的是提供一种用于形成发光层的涂布液，其提高了量子效率。 本发明的另一个目的是提供：通过用于形成发光层的涂布液形成的有机电致发光元件; 一个照明装置，一个显示装置和一个白色电致发光装置，每一个装有这个有机电致发光元件; 以及有机电致发光元件的制造方法。 用于形成根据本发明的发光层的涂布液用于形成保持在正极和负极之间的一个或多个有机层之一的发光层的目的，并且该涂布液用于 形成发光层的特征在于含有热活化的延迟荧光化合物。