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：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。

公开(公告)号：US20150318499A1

公开(公告)日：2015-11-05

申请号：US14795588

申请日：2015-07-09

Applicant: KONICA MINOLTA, INC.

Inventor： Shinya OTSU ,  Masato NISHIZEKI ,  Eisaku KATOH ,  Tomohiro OSHIYAMA ,  Dai IKEMIZU

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/56

CPC classification number: C09K11/06 ,  C07F15/0033 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/1466 ,  C09K2211/1475 ,  C09K2211/185 ,  H01L51/0037 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/504 ,  H01L51/56 ,  H01L2251/308 ,  H01L2251/552 ,  H05B33/14 ,  Y02B20/181

Abstract: A wet process using an organic solvent is used to produce an organic EL element, which has high light emission efficiency, a long light emission life and a small color change when continuously driven, an illuminating device and a display device are provided. Especially, an organic EL element which emits white light and can be manufactured at low cost is provided.

Abstract translation: 使用有机溶剂的湿法制造有机EL元件，其具有高的发光效率，长的发光寿命和连续驱动时的小的变色，提供照明装置和显示装置。 特别地，提供了可以以低成本制造的发出白光的有机EL元件。